| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.os; |
| |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import android.util.Size; |
| import android.util.SizeF; |
| import android.util.SparseArray; |
| import android.util.SparseBooleanArray; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.FileDescriptor; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.ObjectStreamClass; |
| import java.io.Serializable; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Container for a message (data and object references) that can |
| * be sent through an IBinder. A Parcel can contain both flattened data |
| * that will be unflattened on the other side of the IPC (using the various |
| * methods here for writing specific types, or the general |
| * {@link Parcelable} interface), and references to live {@link IBinder} |
| * objects that will result in the other side receiving a proxy IBinder |
| * connected with the original IBinder in the Parcel. |
| * |
| * <p class="note">Parcel is <strong>not</strong> a general-purpose |
| * serialization mechanism. This class (and the corresponding |
| * {@link Parcelable} API for placing arbitrary objects into a Parcel) is |
| * designed as a high-performance IPC transport. As such, it is not |
| * appropriate to place any Parcel data in to persistent storage: changes |
| * in the underlying implementation of any of the data in the Parcel can |
| * render older data unreadable.</p> |
| * |
| * <p>The bulk of the Parcel API revolves around reading and writing data |
| * of various types. There are six major classes of such functions available.</p> |
| * |
| * <h3>Primitives</h3> |
| * |
| * <p>The most basic data functions are for writing and reading primitive |
| * data types: {@link #writeByte}, {@link #readByte}, {@link #writeDouble}, |
| * {@link #readDouble}, {@link #writeFloat}, {@link #readFloat}, {@link #writeInt}, |
| * {@link #readInt}, {@link #writeLong}, {@link #readLong}, |
| * {@link #writeString}, {@link #readString}. Most other |
| * data operations are built on top of these. The given data is written and |
| * read using the endianess of the host CPU.</p> |
| * |
| * <h3>Primitive Arrays</h3> |
| * |
| * <p>There are a variety of methods for reading and writing raw arrays |
| * of primitive objects, which generally result in writing a 4-byte length |
| * followed by the primitive data items. The methods for reading can either |
| * read the data into an existing array, or create and return a new array. |
| * These available types are:</p> |
| * |
| * <ul> |
| * <li> {@link #writeBooleanArray(boolean[])}, |
| * {@link #readBooleanArray(boolean[])}, {@link #createBooleanArray()} |
| * <li> {@link #writeByteArray(byte[])}, |
| * {@link #writeByteArray(byte[], int, int)}, {@link #readByteArray(byte[])}, |
| * {@link #createByteArray()} |
| * <li> {@link #writeCharArray(char[])}, {@link #readCharArray(char[])}, |
| * {@link #createCharArray()} |
| * <li> {@link #writeDoubleArray(double[])}, {@link #readDoubleArray(double[])}, |
| * {@link #createDoubleArray()} |
| * <li> {@link #writeFloatArray(float[])}, {@link #readFloatArray(float[])}, |
| * {@link #createFloatArray()} |
| * <li> {@link #writeIntArray(int[])}, {@link #readIntArray(int[])}, |
| * {@link #createIntArray()} |
| * <li> {@link #writeLongArray(long[])}, {@link #readLongArray(long[])}, |
| * {@link #createLongArray()} |
| * <li> {@link #writeStringArray(String[])}, {@link #readStringArray(String[])}, |
| * {@link #createStringArray()}. |
| * <li> {@link #writeSparseBooleanArray(SparseBooleanArray)}, |
| * {@link #readSparseBooleanArray()}. |
| * </ul> |
| * |
| * <h3>Parcelables</h3> |
| * |
| * <p>The {@link Parcelable} protocol provides an extremely efficient (but |
| * low-level) protocol for objects to write and read themselves from Parcels. |
| * You can use the direct methods {@link #writeParcelable(Parcelable, int)} |
| * and {@link #readParcelable(ClassLoader)} or |
| * {@link #writeParcelableArray} and |
| * {@link #readParcelableArray(ClassLoader)} to write or read. These |
| * methods write both the class type and its data to the Parcel, allowing |
| * that class to be reconstructed from the appropriate class loader when |
| * later reading.</p> |
| * |
| * <p>There are also some methods that provide a more efficient way to work |
| * with Parcelables: {@link #writeTypedObject}, {@link #writeTypedArray}, |
| * {@link #writeTypedList}, {@link #readTypedObject}, |
| * {@link #createTypedArray} and {@link #createTypedArrayList}. These methods |
| * do not write the class information of the original object: instead, the |
| * caller of the read function must know what type to expect and pass in the |
| * appropriate {@link Parcelable.Creator Parcelable.Creator} instead to |
| * properly construct the new object and read its data. (To more efficient |
| * write and read a single Parceable object that is not null, you can directly |
| * call {@link Parcelable#writeToParcel Parcelable.writeToParcel} and |
| * {@link Parcelable.Creator#createFromParcel Parcelable.Creator.createFromParcel} |
| * yourself.)</p> |
| * |
| * <h3>Bundles</h3> |
| * |
| * <p>A special type-safe container, called {@link Bundle}, is available |
| * for key/value maps of heterogeneous values. This has many optimizations |
| * for improved performance when reading and writing data, and its type-safe |
| * API avoids difficult to debug type errors when finally marshalling the |
| * data contents into a Parcel. The methods to use are |
| * {@link #writeBundle(Bundle)}, {@link #readBundle()}, and |
| * {@link #readBundle(ClassLoader)}. |
| * |
| * <h3>Active Objects</h3> |
| * |
| * <p>An unusual feature of Parcel is the ability to read and write active |
| * objects. For these objects the actual contents of the object is not |
| * written, rather a special token referencing the object is written. When |
| * reading the object back from the Parcel, you do not get a new instance of |
| * the object, but rather a handle that operates on the exact same object that |
| * was originally written. There are two forms of active objects available.</p> |
| * |
| * <p>{@link Binder} objects are a core facility of Android's general cross-process |
| * communication system. The {@link IBinder} interface describes an abstract |
| * protocol with a Binder object. Any such interface can be written in to |
| * a Parcel, and upon reading you will receive either the original object |
| * implementing that interface or a special proxy implementation |
| * that communicates calls back to the original object. The methods to use are |
| * {@link #writeStrongBinder(IBinder)}, |
| * {@link #writeStrongInterface(IInterface)}, {@link #readStrongBinder()}, |
| * {@link #writeBinderArray(IBinder[])}, {@link #readBinderArray(IBinder[])}, |
| * {@link #createBinderArray()}, |
| * {@link #writeBinderList(List)}, {@link #readBinderList(List)}, |
| * {@link #createBinderArrayList()}.</p> |
| * |
| * <p>FileDescriptor objects, representing raw Linux file descriptor identifiers, |
| * can be written and {@link ParcelFileDescriptor} objects returned to operate |
| * on the original file descriptor. The returned file descriptor is a dup |
| * of the original file descriptor: the object and fd is different, but |
| * operating on the same underlying file stream, with the same position, etc. |
| * The methods to use are {@link #writeFileDescriptor(FileDescriptor)}, |
| * {@link #readFileDescriptor()}. |
| * |
| * <h3>Untyped Containers</h3> |
| * |
| * <p>A final class of methods are for writing and reading standard Java |
| * containers of arbitrary types. These all revolve around the |
| * {@link #writeValue(Object)} and {@link #readValue(ClassLoader)} methods |
| * which define the types of objects allowed. The container methods are |
| * {@link #writeArray(Object[])}, {@link #readArray(ClassLoader)}, |
| * {@link #writeList(List)}, {@link #readList(List, ClassLoader)}, |
| * {@link #readArrayList(ClassLoader)}, |
| * {@link #writeMap(Map)}, {@link #readMap(Map, ClassLoader)}, |
| * {@link #writeSparseArray(SparseArray)}, |
| * {@link #readSparseArray(ClassLoader)}. |
| */ |
| public final class Parcel { |
| private static final boolean DEBUG_RECYCLE = false; |
| private static final boolean DEBUG_ARRAY_MAP = false; |
| private static final String TAG = "Parcel"; |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| private long mNativePtr; // used by native code |
| |
| /** |
| * Flag indicating if {@link #mNativePtr} was allocated by this object, |
| * indicating that we're responsible for its lifecycle. |
| */ |
| private boolean mOwnsNativeParcelObject; |
| |
| private RuntimeException mStack; |
| |
| private static final int POOL_SIZE = 6; |
| private static final Parcel[] sOwnedPool = new Parcel[POOL_SIZE]; |
| private static final Parcel[] sHolderPool = new Parcel[POOL_SIZE]; |
| |
| private static final int VAL_NULL = -1; |
| private static final int VAL_STRING = 0; |
| private static final int VAL_INTEGER = 1; |
| private static final int VAL_MAP = 2; |
| private static final int VAL_BUNDLE = 3; |
| private static final int VAL_PARCELABLE = 4; |
| private static final int VAL_SHORT = 5; |
| private static final int VAL_LONG = 6; |
| private static final int VAL_FLOAT = 7; |
| private static final int VAL_DOUBLE = 8; |
| private static final int VAL_BOOLEAN = 9; |
| private static final int VAL_CHARSEQUENCE = 10; |
| private static final int VAL_LIST = 11; |
| private static final int VAL_SPARSEARRAY = 12; |
| private static final int VAL_BYTEARRAY = 13; |
| private static final int VAL_STRINGARRAY = 14; |
| private static final int VAL_IBINDER = 15; |
| private static final int VAL_PARCELABLEARRAY = 16; |
| private static final int VAL_OBJECTARRAY = 17; |
| private static final int VAL_INTARRAY = 18; |
| private static final int VAL_LONGARRAY = 19; |
| private static final int VAL_BYTE = 20; |
| private static final int VAL_SERIALIZABLE = 21; |
| private static final int VAL_SPARSEBOOLEANARRAY = 22; |
| private static final int VAL_BOOLEANARRAY = 23; |
| private static final int VAL_CHARSEQUENCEARRAY = 24; |
| private static final int VAL_PERSISTABLEBUNDLE = 25; |
| private static final int VAL_SIZE = 26; |
| private static final int VAL_SIZEF = 27; |
| |
| // The initial int32 in a Binder call's reply Parcel header: |
| private static final int EX_SECURITY = -1; |
| private static final int EX_BAD_PARCELABLE = -2; |
| private static final int EX_ILLEGAL_ARGUMENT = -3; |
| private static final int EX_NULL_POINTER = -4; |
| private static final int EX_ILLEGAL_STATE = -5; |
| private static final int EX_NETWORK_MAIN_THREAD = -6; |
| private static final int EX_UNSUPPORTED_OPERATION = -7; |
| private static final int EX_HAS_REPLY_HEADER = -128; // special; see below |
| |
| private static native int nativeDataSize(long nativePtr); |
| private static native int nativeDataAvail(long nativePtr); |
| private static native int nativeDataPosition(long nativePtr); |
| private static native int nativeDataCapacity(long nativePtr); |
| private static native void nativeSetDataSize(long nativePtr, int size); |
| private static native void nativeSetDataPosition(long nativePtr, int pos); |
| private static native void nativeSetDataCapacity(long nativePtr, int size); |
| |
| private static native boolean nativePushAllowFds(long nativePtr, boolean allowFds); |
| private static native void nativeRestoreAllowFds(long nativePtr, boolean lastValue); |
| |
| private static native void nativeWriteByteArray(long nativePtr, byte[] b, int offset, int len); |
| private static native void nativeWriteBlob(long nativePtr, byte[] b, int offset, int len); |
| private static native void nativeWriteInt(long nativePtr, int val); |
| private static native void nativeWriteLong(long nativePtr, long val); |
| private static native void nativeWriteFloat(long nativePtr, float val); |
| private static native void nativeWriteDouble(long nativePtr, double val); |
| private static native void nativeWriteString(long nativePtr, String val); |
| private static native void nativeWriteStrongBinder(long nativePtr, IBinder val); |
| private static native void nativeWriteFileDescriptor(long nativePtr, FileDescriptor val); |
| |
| private static native byte[] nativeCreateByteArray(long nativePtr); |
| private static native byte[] nativeReadBlob(long nativePtr); |
| private static native int nativeReadInt(long nativePtr); |
| private static native long nativeReadLong(long nativePtr); |
| private static native float nativeReadFloat(long nativePtr); |
| private static native double nativeReadDouble(long nativePtr); |
| private static native String nativeReadString(long nativePtr); |
| private static native IBinder nativeReadStrongBinder(long nativePtr); |
| private static native FileDescriptor nativeReadFileDescriptor(long nativePtr); |
| |
| private static native long nativeCreate(); |
| private static native void nativeFreeBuffer(long nativePtr); |
| private static native void nativeDestroy(long nativePtr); |
| |
| private static native byte[] nativeMarshall(long nativePtr); |
| private static native void nativeUnmarshall( |
| long nativePtr, byte[] data, int offset, int length); |
| private static native void nativeAppendFrom( |
| long thisNativePtr, long otherNativePtr, int offset, int length); |
| private static native boolean nativeHasFileDescriptors(long nativePtr); |
| private static native void nativeWriteInterfaceToken(long nativePtr, String interfaceName); |
| private static native void nativeEnforceInterface(long nativePtr, String interfaceName); |
| |
| private static native long nativeGetBlobAshmemSize(long nativePtr); |
| |
| public final static Parcelable.Creator<String> STRING_CREATOR |
| = new Parcelable.Creator<String>() { |
| public String createFromParcel(Parcel source) { |
| return source.readString(); |
| } |
| public String[] newArray(int size) { |
| return new String[size]; |
| } |
| }; |
| |
| /** |
| * Retrieve a new Parcel object from the pool. |
| */ |
| public static Parcel obtain() { |
| final Parcel[] pool = sOwnedPool; |
| synchronized (pool) { |
| Parcel p; |
| for (int i=0; i<POOL_SIZE; i++) { |
| p = pool[i]; |
| if (p != null) { |
| pool[i] = null; |
| if (DEBUG_RECYCLE) { |
| p.mStack = new RuntimeException(); |
| } |
| return p; |
| } |
| } |
| } |
| return new Parcel(0); |
| } |
| |
| /** |
| * Put a Parcel object back into the pool. You must not touch |
| * the object after this call. |
| */ |
| public final void recycle() { |
| if (DEBUG_RECYCLE) mStack = null; |
| freeBuffer(); |
| |
| final Parcel[] pool; |
| if (mOwnsNativeParcelObject) { |
| pool = sOwnedPool; |
| } else { |
| mNativePtr = 0; |
| pool = sHolderPool; |
| } |
| |
| synchronized (pool) { |
| for (int i=0; i<POOL_SIZE; i++) { |
| if (pool[i] == null) { |
| pool[i] = this; |
| return; |
| } |
| } |
| } |
| } |
| |
| /** @hide */ |
| public static native long getGlobalAllocSize(); |
| |
| /** @hide */ |
| public static native long getGlobalAllocCount(); |
| |
| /** |
| * Returns the total amount of data contained in the parcel. |
| */ |
| public final int dataSize() { |
| return nativeDataSize(mNativePtr); |
| } |
| |
| /** |
| * Returns the amount of data remaining to be read from the |
| * parcel. That is, {@link #dataSize}-{@link #dataPosition}. |
| */ |
| public final int dataAvail() { |
| return nativeDataAvail(mNativePtr); |
| } |
| |
| /** |
| * Returns the current position in the parcel data. Never |
| * more than {@link #dataSize}. |
| */ |
| public final int dataPosition() { |
| return nativeDataPosition(mNativePtr); |
| } |
| |
| /** |
| * Returns the total amount of space in the parcel. This is always |
| * >= {@link #dataSize}. The difference between it and dataSize() is the |
| * amount of room left until the parcel needs to re-allocate its |
| * data buffer. |
| */ |
| public final int dataCapacity() { |
| return nativeDataCapacity(mNativePtr); |
| } |
| |
| /** |
| * Change the amount of data in the parcel. Can be either smaller or |
| * larger than the current size. If larger than the current capacity, |
| * more memory will be allocated. |
| * |
| * @param size The new number of bytes in the Parcel. |
| */ |
| public final void setDataSize(int size) { |
| nativeSetDataSize(mNativePtr, size); |
| } |
| |
| /** |
| * Move the current read/write position in the parcel. |
| * @param pos New offset in the parcel; must be between 0 and |
| * {@link #dataSize}. |
| */ |
| public final void setDataPosition(int pos) { |
| nativeSetDataPosition(mNativePtr, pos); |
| } |
| |
| /** |
| * Change the capacity (current available space) of the parcel. |
| * |
| * @param size The new capacity of the parcel, in bytes. Can not be |
| * less than {@link #dataSize} -- that is, you can not drop existing data |
| * with this method. |
| */ |
| public final void setDataCapacity(int size) { |
| nativeSetDataCapacity(mNativePtr, size); |
| } |
| |
| /** @hide */ |
| public final boolean pushAllowFds(boolean allowFds) { |
| return nativePushAllowFds(mNativePtr, allowFds); |
| } |
| |
| /** @hide */ |
| public final void restoreAllowFds(boolean lastValue) { |
| nativeRestoreAllowFds(mNativePtr, lastValue); |
| } |
| |
| /** |
| * Returns the raw bytes of the parcel. |
| * |
| * <p class="note">The data you retrieve here <strong>must not</strong> |
| * be placed in any kind of persistent storage (on local disk, across |
| * a network, etc). For that, you should use standard serialization |
| * or another kind of general serialization mechanism. The Parcel |
| * marshalled representation is highly optimized for local IPC, and as |
| * such does not attempt to maintain compatibility with data created |
| * in different versions of the platform. |
| */ |
| public final byte[] marshall() { |
| return nativeMarshall(mNativePtr); |
| } |
| |
| /** |
| * Set the bytes in data to be the raw bytes of this Parcel. |
| */ |
| public final void unmarshall(byte[] data, int offset, int length) { |
| nativeUnmarshall(mNativePtr, data, offset, length); |
| } |
| |
| public final void appendFrom(Parcel parcel, int offset, int length) { |
| nativeAppendFrom(mNativePtr, parcel.mNativePtr, offset, length); |
| } |
| |
| /** |
| * Report whether the parcel contains any marshalled file descriptors. |
| */ |
| public final boolean hasFileDescriptors() { |
| return nativeHasFileDescriptors(mNativePtr); |
| } |
| |
| /** |
| * Store or read an IBinder interface token in the parcel at the current |
| * {@link #dataPosition}. This is used to validate that the marshalled |
| * transaction is intended for the target interface. |
| */ |
| public final void writeInterfaceToken(String interfaceName) { |
| nativeWriteInterfaceToken(mNativePtr, interfaceName); |
| } |
| |
| public final void enforceInterface(String interfaceName) { |
| nativeEnforceInterface(mNativePtr, interfaceName); |
| } |
| |
| /** |
| * Write a byte array into the parcel at the current {@link #dataPosition}, |
| * growing {@link #dataCapacity} if needed. |
| * @param b Bytes to place into the parcel. |
| */ |
| public final void writeByteArray(byte[] b) { |
| writeByteArray(b, 0, (b != null) ? b.length : 0); |
| } |
| |
| /** |
| * Write a byte array into the parcel at the current {@link #dataPosition}, |
| * growing {@link #dataCapacity} if needed. |
| * @param b Bytes to place into the parcel. |
| * @param offset Index of first byte to be written. |
| * @param len Number of bytes to write. |
| */ |
| public final void writeByteArray(byte[] b, int offset, int len) { |
| if (b == null) { |
| writeInt(-1); |
| return; |
| } |
| Arrays.checkOffsetAndCount(b.length, offset, len); |
| nativeWriteByteArray(mNativePtr, b, offset, len); |
| } |
| |
| /** |
| * Write a blob of data into the parcel at the current {@link #dataPosition}, |
| * growing {@link #dataCapacity} if needed. |
| * @param b Bytes to place into the parcel. |
| * {@hide} |
| * {@SystemApi} |
| */ |
| public final void writeBlob(byte[] b) { |
| nativeWriteBlob(mNativePtr, b, 0, (b != null) ? b.length : 0); |
| } |
| |
| /** |
| * Write an integer value into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeInt(int val) { |
| nativeWriteInt(mNativePtr, val); |
| } |
| |
| /** |
| * Write a long integer value into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeLong(long val) { |
| nativeWriteLong(mNativePtr, val); |
| } |
| |
| /** |
| * Write a floating point value into the parcel at the current |
| * dataPosition(), growing dataCapacity() if needed. |
| */ |
| public final void writeFloat(float val) { |
| nativeWriteFloat(mNativePtr, val); |
| } |
| |
| /** |
| * Write a double precision floating point value into the parcel at the |
| * current dataPosition(), growing dataCapacity() if needed. |
| */ |
| public final void writeDouble(double val) { |
| nativeWriteDouble(mNativePtr, val); |
| } |
| |
| /** |
| * Write a string value into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeString(String val) { |
| nativeWriteString(mNativePtr, val); |
| } |
| |
| /** |
| * Write a CharSequence value into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| * @hide |
| */ |
| public final void writeCharSequence(CharSequence val) { |
| TextUtils.writeToParcel(val, this, 0); |
| } |
| |
| /** |
| * Write an object into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeStrongBinder(IBinder val) { |
| nativeWriteStrongBinder(mNativePtr, val); |
| } |
| |
| /** |
| * Write an object into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeStrongInterface(IInterface val) { |
| writeStrongBinder(val == null ? null : val.asBinder()); |
| } |
| |
| /** |
| * Write a FileDescriptor into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| * |
| * <p class="caution">The file descriptor will not be closed, which may |
| * result in file descriptor leaks when objects are returned from Binder |
| * calls. Use {@link ParcelFileDescriptor#writeToParcel} instead, which |
| * accepts contextual flags and will close the original file descriptor |
| * if {@link Parcelable#PARCELABLE_WRITE_RETURN_VALUE} is set.</p> |
| */ |
| public final void writeFileDescriptor(FileDescriptor val) { |
| nativeWriteFileDescriptor(mNativePtr, val); |
| } |
| |
| /** |
| * Write a byte value into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeByte(byte val) { |
| writeInt(val); |
| } |
| |
| /** |
| * Please use {@link #writeBundle} instead. Flattens a Map into the parcel |
| * at the current dataPosition(), |
| * growing dataCapacity() if needed. The Map keys must be String objects. |
| * The Map values are written using {@link #writeValue} and must follow |
| * the specification there. |
| * |
| * <p>It is strongly recommended to use {@link #writeBundle} instead of |
| * this method, since the Bundle class provides a type-safe API that |
| * allows you to avoid mysterious type errors at the point of marshalling. |
| */ |
| public final void writeMap(Map val) { |
| writeMapInternal((Map<String, Object>) val); |
| } |
| |
| /** |
| * Flatten a Map into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. The Map keys must be String objects. |
| */ |
| /* package */ void writeMapInternal(Map<String,Object> val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| Set<Map.Entry<String,Object>> entries = val.entrySet(); |
| writeInt(entries.size()); |
| for (Map.Entry<String,Object> e : entries) { |
| writeValue(e.getKey()); |
| writeValue(e.getValue()); |
| } |
| } |
| |
| /** |
| * Flatten an ArrayMap into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. The Map keys must be String objects. |
| */ |
| /* package */ void writeArrayMapInternal(ArrayMap<String, Object> val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| final int N = val.size(); |
| writeInt(N); |
| if (DEBUG_ARRAY_MAP) { |
| RuntimeException here = new RuntimeException("here"); |
| here.fillInStackTrace(); |
| Log.d(TAG, "Writing " + N + " ArrayMap entries", here); |
| } |
| int startPos; |
| for (int i=0; i<N; i++) { |
| if (DEBUG_ARRAY_MAP) startPos = dataPosition(); |
| writeString(val.keyAt(i)); |
| writeValue(val.valueAt(i)); |
| if (DEBUG_ARRAY_MAP) Log.d(TAG, " Write #" + i + " " |
| + (dataPosition()-startPos) + " bytes: key=0x" |
| + Integer.toHexString(val.keyAt(i) != null ? val.keyAt(i).hashCode() : 0) |
| + " " + val.keyAt(i)); |
| } |
| } |
| |
| /** |
| * @hide For testing only. |
| */ |
| public void writeArrayMap(ArrayMap<String, Object> val) { |
| writeArrayMapInternal(val); |
| } |
| |
| /** |
| * Flatten a Bundle into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeBundle(Bundle val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| |
| val.writeToParcel(this, 0); |
| } |
| |
| /** |
| * Flatten a PersistableBundle into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writePersistableBundle(PersistableBundle val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| |
| val.writeToParcel(this, 0); |
| } |
| |
| /** |
| * Flatten a Size into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeSize(Size val) { |
| writeInt(val.getWidth()); |
| writeInt(val.getHeight()); |
| } |
| |
| /** |
| * Flatten a SizeF into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. |
| */ |
| public final void writeSizeF(SizeF val) { |
| writeFloat(val.getWidth()); |
| writeFloat(val.getHeight()); |
| } |
| |
| /** |
| * Flatten a List into the parcel at the current dataPosition(), growing |
| * dataCapacity() if needed. The List values are written using |
| * {@link #writeValue} and must follow the specification there. |
| */ |
| public final void writeList(List val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| int N = val.size(); |
| int i=0; |
| writeInt(N); |
| while (i < N) { |
| writeValue(val.get(i)); |
| i++; |
| } |
| } |
| |
| /** |
| * Flatten an Object array into the parcel at the current dataPosition(), |
| * growing dataCapacity() if needed. The array values are written using |
| * {@link #writeValue} and must follow the specification there. |
| */ |
| public final void writeArray(Object[] val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| int N = val.length; |
| int i=0; |
| writeInt(N); |
| while (i < N) { |
| writeValue(val[i]); |
| i++; |
| } |
| } |
| |
| /** |
| * Flatten a generic SparseArray into the parcel at the current |
| * dataPosition(), growing dataCapacity() if needed. The SparseArray |
| * values are written using {@link #writeValue} and must follow the |
| * specification there. |
| */ |
| public final void writeSparseArray(SparseArray<Object> val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| int N = val.size(); |
| writeInt(N); |
| int i=0; |
| while (i < N) { |
| writeInt(val.keyAt(i)); |
| writeValue(val.valueAt(i)); |
| i++; |
| } |
| } |
| |
| public final void writeSparseBooleanArray(SparseBooleanArray val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| int N = val.size(); |
| writeInt(N); |
| int i=0; |
| while (i < N) { |
| writeInt(val.keyAt(i)); |
| writeByte((byte)(val.valueAt(i) ? 1 : 0)); |
| i++; |
| } |
| } |
| |
| public final void writeBooleanArray(boolean[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeInt(val[i] ? 1 : 0); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| public final boolean[] createBooleanArray() { |
| int N = readInt(); |
| // >>2 as a fast divide-by-4 works in the create*Array() functions |
| // because dataAvail() will never return a negative number. 4 is |
| // the size of a stored boolean in the stream. |
| if (N >= 0 && N <= (dataAvail() >> 2)) { |
| boolean[] val = new boolean[N]; |
| for (int i=0; i<N; i++) { |
| val[i] = readInt() != 0; |
| } |
| return val; |
| } else { |
| return null; |
| } |
| } |
| |
| public final void readBooleanArray(boolean[] val) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| val[i] = readInt() != 0; |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| public final void writeCharArray(char[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeInt((int)val[i]); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| public final char[] createCharArray() { |
| int N = readInt(); |
| if (N >= 0 && N <= (dataAvail() >> 2)) { |
| char[] val = new char[N]; |
| for (int i=0; i<N; i++) { |
| val[i] = (char)readInt(); |
| } |
| return val; |
| } else { |
| return null; |
| } |
| } |
| |
| public final void readCharArray(char[] val) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| val[i] = (char)readInt(); |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| public final void writeIntArray(int[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeInt(val[i]); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| public final int[] createIntArray() { |
| int N = readInt(); |
| if (N >= 0 && N <= (dataAvail() >> 2)) { |
| int[] val = new int[N]; |
| for (int i=0; i<N; i++) { |
| val[i] = readInt(); |
| } |
| return val; |
| } else { |
| return null; |
| } |
| } |
| |
| public final void readIntArray(int[] val) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| val[i] = readInt(); |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| public final void writeLongArray(long[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeLong(val[i]); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| public final long[] createLongArray() { |
| int N = readInt(); |
| // >>3 because stored longs are 64 bits |
| if (N >= 0 && N <= (dataAvail() >> 3)) { |
| long[] val = new long[N]; |
| for (int i=0; i<N; i++) { |
| val[i] = readLong(); |
| } |
| return val; |
| } else { |
| return null; |
| } |
| } |
| |
| public final void readLongArray(long[] val) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| val[i] = readLong(); |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| public final void writeFloatArray(float[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeFloat(val[i]); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| public final float[] createFloatArray() { |
| int N = readInt(); |
| // >>2 because stored floats are 4 bytes |
| if (N >= 0 && N <= (dataAvail() >> 2)) { |
| float[] val = new float[N]; |
| for (int i=0; i<N; i++) { |
| val[i] = readFloat(); |
| } |
| return val; |
| } else { |
| return null; |
| } |
| } |
| |
| public final void readFloatArray(float[] val) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| val[i] = readFloat(); |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| public final void writeDoubleArray(double[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeDouble(val[i]); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| public final double[] createDoubleArray() { |
| int N = readInt(); |
| // >>3 because stored doubles are 8 bytes |
| if (N >= 0 && N <= (dataAvail() >> 3)) { |
| double[] val = new double[N]; |
| for (int i=0; i<N; i++) { |
| val[i] = readDouble(); |
| } |
| return val; |
| } else { |
| return null; |
| } |
| } |
| |
| public final void readDoubleArray(double[] val) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| val[i] = readDouble(); |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| public final void writeStringArray(String[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeString(val[i]); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| public final String[] createStringArray() { |
| int N = readInt(); |
| if (N >= 0) { |
| String[] val = new String[N]; |
| for (int i=0; i<N; i++) { |
| val[i] = readString(); |
| } |
| return val; |
| } else { |
| return null; |
| } |
| } |
| |
| public final void readStringArray(String[] val) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| val[i] = readString(); |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| public final void writeBinderArray(IBinder[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeStrongBinder(val[i]); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public final void writeCharSequenceArray(CharSequence[] val) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeCharSequence(val[i]); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public final void writeCharSequenceList(ArrayList<CharSequence> val) { |
| if (val != null) { |
| int N = val.size(); |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeCharSequence(val.get(i)); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| public final IBinder[] createBinderArray() { |
| int N = readInt(); |
| if (N >= 0) { |
| IBinder[] val = new IBinder[N]; |
| for (int i=0; i<N; i++) { |
| val[i] = readStrongBinder(); |
| } |
| return val; |
| } else { |
| return null; |
| } |
| } |
| |
| public final void readBinderArray(IBinder[] val) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| val[i] = readStrongBinder(); |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| /** |
| * Flatten a List containing a particular object type into the parcel, at |
| * the current dataPosition() and growing dataCapacity() if needed. The |
| * type of the objects in the list must be one that implements Parcelable. |
| * Unlike the generic writeList() method, however, only the raw data of the |
| * objects is written and not their type, so you must use the corresponding |
| * readTypedList() to unmarshall them. |
| * |
| * @param val The list of objects to be written. |
| * |
| * @see #createTypedArrayList |
| * @see #readTypedList |
| * @see Parcelable |
| */ |
| public final <T extends Parcelable> void writeTypedList(List<T> val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| int N = val.size(); |
| int i=0; |
| writeInt(N); |
| while (i < N) { |
| T item = val.get(i); |
| if (item != null) { |
| writeInt(1); |
| item.writeToParcel(this, 0); |
| } else { |
| writeInt(0); |
| } |
| i++; |
| } |
| } |
| |
| /** |
| * Flatten a List containing String objects into the parcel, at |
| * the current dataPosition() and growing dataCapacity() if needed. They |
| * can later be retrieved with {@link #createStringArrayList} or |
| * {@link #readStringList}. |
| * |
| * @param val The list of strings to be written. |
| * |
| * @see #createStringArrayList |
| * @see #readStringList |
| */ |
| public final void writeStringList(List<String> val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| int N = val.size(); |
| int i=0; |
| writeInt(N); |
| while (i < N) { |
| writeString(val.get(i)); |
| i++; |
| } |
| } |
| |
| /** |
| * Flatten a List containing IBinder objects into the parcel, at |
| * the current dataPosition() and growing dataCapacity() if needed. They |
| * can later be retrieved with {@link #createBinderArrayList} or |
| * {@link #readBinderList}. |
| * |
| * @param val The list of strings to be written. |
| * |
| * @see #createBinderArrayList |
| * @see #readBinderList |
| */ |
| public final void writeBinderList(List<IBinder> val) { |
| if (val == null) { |
| writeInt(-1); |
| return; |
| } |
| int N = val.size(); |
| int i=0; |
| writeInt(N); |
| while (i < N) { |
| writeStrongBinder(val.get(i)); |
| i++; |
| } |
| } |
| |
| /** |
| * Flatten a heterogeneous array containing a particular object type into |
| * the parcel, at |
| * the current dataPosition() and growing dataCapacity() if needed. The |
| * type of the objects in the array must be one that implements Parcelable. |
| * Unlike the {@link #writeParcelableArray} method, however, only the |
| * raw data of the objects is written and not their type, so you must use |
| * {@link #readTypedArray} with the correct corresponding |
| * {@link Parcelable.Creator} implementation to unmarshall them. |
| * |
| * @param val The array of objects to be written. |
| * @param parcelableFlags Contextual flags as per |
| * {@link Parcelable#writeToParcel(Parcel, int) Parcelable.writeToParcel()}. |
| * |
| * @see #readTypedArray |
| * @see #writeParcelableArray |
| * @see Parcelable.Creator |
| */ |
| public final <T extends Parcelable> void writeTypedArray(T[] val, |
| int parcelableFlags) { |
| if (val != null) { |
| int N = val.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| T item = val[i]; |
| if (item != null) { |
| writeInt(1); |
| item.writeToParcel(this, parcelableFlags); |
| } else { |
| writeInt(0); |
| } |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| /** |
| * Flatten the Parcelable object into the parcel. |
| * |
| * @param val The Parcelable object to be written. |
| * @param parcelableFlags Contextual flags as per |
| * {@link Parcelable#writeToParcel(Parcel, int) Parcelable.writeToParcel()}. |
| * |
| * @see #readTypedObject |
| */ |
| public final <T extends Parcelable> void writeTypedObject(T val, int parcelableFlags) { |
| if (val != null) { |
| writeInt(1); |
| val.writeToParcel(this, parcelableFlags); |
| } else { |
| writeInt(0); |
| } |
| } |
| |
| /** |
| * Flatten a generic object in to a parcel. The given Object value may |
| * currently be one of the following types: |
| * |
| * <ul> |
| * <li> null |
| * <li> String |
| * <li> Byte |
| * <li> Short |
| * <li> Integer |
| * <li> Long |
| * <li> Float |
| * <li> Double |
| * <li> Boolean |
| * <li> String[] |
| * <li> boolean[] |
| * <li> byte[] |
| * <li> int[] |
| * <li> long[] |
| * <li> Object[] (supporting objects of the same type defined here). |
| * <li> {@link Bundle} |
| * <li> Map (as supported by {@link #writeMap}). |
| * <li> Any object that implements the {@link Parcelable} protocol. |
| * <li> Parcelable[] |
| * <li> CharSequence (as supported by {@link TextUtils#writeToParcel}). |
| * <li> List (as supported by {@link #writeList}). |
| * <li> {@link SparseArray} (as supported by {@link #writeSparseArray(SparseArray)}). |
| * <li> {@link IBinder} |
| * <li> Any object that implements Serializable (but see |
| * {@link #writeSerializable} for caveats). Note that all of the |
| * previous types have relatively efficient implementations for |
| * writing to a Parcel; having to rely on the generic serialization |
| * approach is much less efficient and should be avoided whenever |
| * possible. |
| * </ul> |
| * |
| * <p class="caution">{@link Parcelable} objects are written with |
| * {@link Parcelable#writeToParcel} using contextual flags of 0. When |
| * serializing objects containing {@link ParcelFileDescriptor}s, |
| * this may result in file descriptor leaks when they are returned from |
| * Binder calls (where {@link Parcelable#PARCELABLE_WRITE_RETURN_VALUE} |
| * should be used).</p> |
| */ |
| public final void writeValue(Object v) { |
| if (v == null) { |
| writeInt(VAL_NULL); |
| } else if (v instanceof String) { |
| writeInt(VAL_STRING); |
| writeString((String) v); |
| } else if (v instanceof Integer) { |
| writeInt(VAL_INTEGER); |
| writeInt((Integer) v); |
| } else if (v instanceof Map) { |
| writeInt(VAL_MAP); |
| writeMap((Map) v); |
| } else if (v instanceof Bundle) { |
| // Must be before Parcelable |
| writeInt(VAL_BUNDLE); |
| writeBundle((Bundle) v); |
| } else if (v instanceof Parcelable) { |
| writeInt(VAL_PARCELABLE); |
| writeParcelable((Parcelable) v, 0); |
| } else if (v instanceof Short) { |
| writeInt(VAL_SHORT); |
| writeInt(((Short) v).intValue()); |
| } else if (v instanceof Long) { |
| writeInt(VAL_LONG); |
| writeLong((Long) v); |
| } else if (v instanceof Float) { |
| writeInt(VAL_FLOAT); |
| writeFloat((Float) v); |
| } else if (v instanceof Double) { |
| writeInt(VAL_DOUBLE); |
| writeDouble((Double) v); |
| } else if (v instanceof Boolean) { |
| writeInt(VAL_BOOLEAN); |
| writeInt((Boolean) v ? 1 : 0); |
| } else if (v instanceof CharSequence) { |
| // Must be after String |
| writeInt(VAL_CHARSEQUENCE); |
| writeCharSequence((CharSequence) v); |
| } else if (v instanceof List) { |
| writeInt(VAL_LIST); |
| writeList((List) v); |
| } else if (v instanceof SparseArray) { |
| writeInt(VAL_SPARSEARRAY); |
| writeSparseArray((SparseArray) v); |
| } else if (v instanceof boolean[]) { |
| writeInt(VAL_BOOLEANARRAY); |
| writeBooleanArray((boolean[]) v); |
| } else if (v instanceof byte[]) { |
| writeInt(VAL_BYTEARRAY); |
| writeByteArray((byte[]) v); |
| } else if (v instanceof String[]) { |
| writeInt(VAL_STRINGARRAY); |
| writeStringArray((String[]) v); |
| } else if (v instanceof CharSequence[]) { |
| // Must be after String[] and before Object[] |
| writeInt(VAL_CHARSEQUENCEARRAY); |
| writeCharSequenceArray((CharSequence[]) v); |
| } else if (v instanceof IBinder) { |
| writeInt(VAL_IBINDER); |
| writeStrongBinder((IBinder) v); |
| } else if (v instanceof Parcelable[]) { |
| writeInt(VAL_PARCELABLEARRAY); |
| writeParcelableArray((Parcelable[]) v, 0); |
| } else if (v instanceof int[]) { |
| writeInt(VAL_INTARRAY); |
| writeIntArray((int[]) v); |
| } else if (v instanceof long[]) { |
| writeInt(VAL_LONGARRAY); |
| writeLongArray((long[]) v); |
| } else if (v instanceof Byte) { |
| writeInt(VAL_BYTE); |
| writeInt((Byte) v); |
| } else if (v instanceof PersistableBundle) { |
| writeInt(VAL_PERSISTABLEBUNDLE); |
| writePersistableBundle((PersistableBundle) v); |
| } else if (v instanceof Size) { |
| writeInt(VAL_SIZE); |
| writeSize((Size) v); |
| } else if (v instanceof SizeF) { |
| writeInt(VAL_SIZEF); |
| writeSizeF((SizeF) v); |
| } else { |
| Class<?> clazz = v.getClass(); |
| if (clazz.isArray() && clazz.getComponentType() == Object.class) { |
| // Only pure Object[] are written here, Other arrays of non-primitive types are |
| // handled by serialization as this does not record the component type. |
| writeInt(VAL_OBJECTARRAY); |
| writeArray((Object[]) v); |
| } else if (v instanceof Serializable) { |
| // Must be last |
| writeInt(VAL_SERIALIZABLE); |
| writeSerializable((Serializable) v); |
| } else { |
| throw new RuntimeException("Parcel: unable to marshal value " + v); |
| } |
| } |
| } |
| |
| /** |
| * Flatten the name of the class of the Parcelable and its contents |
| * into the parcel. |
| * |
| * @param p The Parcelable object to be written. |
| * @param parcelableFlags Contextual flags as per |
| * {@link Parcelable#writeToParcel(Parcel, int) Parcelable.writeToParcel()}. |
| */ |
| public final void writeParcelable(Parcelable p, int parcelableFlags) { |
| if (p == null) { |
| writeString(null); |
| return; |
| } |
| writeParcelableCreator(p); |
| p.writeToParcel(this, parcelableFlags); |
| } |
| |
| /** @hide */ |
| public final void writeParcelableCreator(Parcelable p) { |
| String name = p.getClass().getName(); |
| writeString(name); |
| } |
| |
| /** |
| * Write a generic serializable object in to a Parcel. It is strongly |
| * recommended that this method be avoided, since the serialization |
| * overhead is extremely large, and this approach will be much slower than |
| * using the other approaches to writing data in to a Parcel. |
| */ |
| public final void writeSerializable(Serializable s) { |
| if (s == null) { |
| writeString(null); |
| return; |
| } |
| String name = s.getClass().getName(); |
| writeString(name); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try { |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| oos.writeObject(s); |
| oos.close(); |
| |
| writeByteArray(baos.toByteArray()); |
| } catch (IOException ioe) { |
| throw new RuntimeException("Parcelable encountered " + |
| "IOException writing serializable object (name = " + name + |
| ")", ioe); |
| } |
| } |
| |
| /** |
| * Special function for writing an exception result at the header of |
| * a parcel, to be used when returning an exception from a transaction. |
| * Note that this currently only supports a few exception types; any other |
| * exception will be re-thrown by this function as a RuntimeException |
| * (to be caught by the system's last-resort exception handling when |
| * dispatching a transaction). |
| * |
| * <p>The supported exception types are: |
| * <ul> |
| * <li>{@link BadParcelableException} |
| * <li>{@link IllegalArgumentException} |
| * <li>{@link IllegalStateException} |
| * <li>{@link NullPointerException} |
| * <li>{@link SecurityException} |
| * <li>{@link NetworkOnMainThreadException} |
| * </ul> |
| * |
| * @param e The Exception to be written. |
| * |
| * @see #writeNoException |
| * @see #readException |
| */ |
| public final void writeException(Exception e) { |
| int code = 0; |
| if (e instanceof SecurityException) { |
| code = EX_SECURITY; |
| } else if (e instanceof BadParcelableException) { |
| code = EX_BAD_PARCELABLE; |
| } else if (e instanceof IllegalArgumentException) { |
| code = EX_ILLEGAL_ARGUMENT; |
| } else if (e instanceof NullPointerException) { |
| code = EX_NULL_POINTER; |
| } else if (e instanceof IllegalStateException) { |
| code = EX_ILLEGAL_STATE; |
| } else if (e instanceof NetworkOnMainThreadException) { |
| code = EX_NETWORK_MAIN_THREAD; |
| } else if (e instanceof UnsupportedOperationException) { |
| code = EX_UNSUPPORTED_OPERATION; |
| } |
| writeInt(code); |
| StrictMode.clearGatheredViolations(); |
| if (code == 0) { |
| if (e instanceof RuntimeException) { |
| throw (RuntimeException) e; |
| } |
| throw new RuntimeException(e); |
| } |
| writeString(e.getMessage()); |
| } |
| |
| /** |
| * Special function for writing information at the front of the Parcel |
| * indicating that no exception occurred. |
| * |
| * @see #writeException |
| * @see #readException |
| */ |
| public final void writeNoException() { |
| // Despite the name of this function ("write no exception"), |
| // it should instead be thought of as "write the RPC response |
| // header", but because this function name is written out by |
| // the AIDL compiler, we're not going to rename it. |
| // |
| // The response header, in the non-exception case (see also |
| // writeException above, also called by the AIDL compiler), is |
| // either a 0 (the default case), or EX_HAS_REPLY_HEADER if |
| // StrictMode has gathered up violations that have occurred |
| // during a Binder call, in which case we write out the number |
| // of violations and their details, serialized, before the |
| // actual RPC respons data. The receiving end of this is |
| // readException(), below. |
| if (StrictMode.hasGatheredViolations()) { |
| writeInt(EX_HAS_REPLY_HEADER); |
| final int sizePosition = dataPosition(); |
| writeInt(0); // total size of fat header, to be filled in later |
| StrictMode.writeGatheredViolationsToParcel(this); |
| final int payloadPosition = dataPosition(); |
| setDataPosition(sizePosition); |
| writeInt(payloadPosition - sizePosition); // header size |
| setDataPosition(payloadPosition); |
| } else { |
| writeInt(0); |
| } |
| } |
| |
| /** |
| * Special function for reading an exception result from the header of |
| * a parcel, to be used after receiving the result of a transaction. This |
| * will throw the exception for you if it had been written to the Parcel, |
| * otherwise return and let you read the normal result data from the Parcel. |
| * |
| * @see #writeException |
| * @see #writeNoException |
| */ |
| public final void readException() { |
| int code = readExceptionCode(); |
| if (code != 0) { |
| String msg = readString(); |
| readException(code, msg); |
| } |
| } |
| |
| /** |
| * Parses the header of a Binder call's response Parcel and |
| * returns the exception code. Deals with lite or fat headers. |
| * In the common successful case, this header is generally zero. |
| * In less common cases, it's a small negative number and will be |
| * followed by an error string. |
| * |
| * This exists purely for android.database.DatabaseUtils and |
| * insulating it from having to handle fat headers as returned by |
| * e.g. StrictMode-induced RPC responses. |
| * |
| * @hide |
| */ |
| public final int readExceptionCode() { |
| int code = readInt(); |
| if (code == EX_HAS_REPLY_HEADER) { |
| int headerSize = readInt(); |
| if (headerSize == 0) { |
| Log.e(TAG, "Unexpected zero-sized Parcel reply header."); |
| } else { |
| // Currently the only thing in the header is StrictMode stacks, |
| // but discussions around event/RPC tracing suggest we might |
| // put that here too. If so, switch on sub-header tags here. |
| // But for now, just parse out the StrictMode stuff. |
| StrictMode.readAndHandleBinderCallViolations(this); |
| } |
| // And fat response headers are currently only used when |
| // there are no exceptions, so return no error: |
| return 0; |
| } |
| return code; |
| } |
| |
| /** |
| * Throw an exception with the given message. Not intended for use |
| * outside the Parcel class. |
| * |
| * @param code Used to determine which exception class to throw. |
| * @param msg The exception message. |
| */ |
| public final void readException(int code, String msg) { |
| switch (code) { |
| case EX_SECURITY: |
| throw new SecurityException(msg); |
| case EX_BAD_PARCELABLE: |
| throw new BadParcelableException(msg); |
| case EX_ILLEGAL_ARGUMENT: |
| throw new IllegalArgumentException(msg); |
| case EX_NULL_POINTER: |
| throw new NullPointerException(msg); |
| case EX_ILLEGAL_STATE: |
| throw new IllegalStateException(msg); |
| case EX_NETWORK_MAIN_THREAD: |
| throw new NetworkOnMainThreadException(); |
| case EX_UNSUPPORTED_OPERATION: |
| throw new UnsupportedOperationException(msg); |
| } |
| throw new RuntimeException("Unknown exception code: " + code |
| + " msg " + msg); |
| } |
| |
| /** |
| * Read an integer value from the parcel at the current dataPosition(). |
| */ |
| public final int readInt() { |
| return nativeReadInt(mNativePtr); |
| } |
| |
| /** |
| * Read a long integer value from the parcel at the current dataPosition(). |
| */ |
| public final long readLong() { |
| return nativeReadLong(mNativePtr); |
| } |
| |
| /** |
| * Read a floating point value from the parcel at the current |
| * dataPosition(). |
| */ |
| public final float readFloat() { |
| return nativeReadFloat(mNativePtr); |
| } |
| |
| /** |
| * Read a double precision floating point value from the parcel at the |
| * current dataPosition(). |
| */ |
| public final double readDouble() { |
| return nativeReadDouble(mNativePtr); |
| } |
| |
| /** |
| * Read a string value from the parcel at the current dataPosition(). |
| */ |
| public final String readString() { |
| return nativeReadString(mNativePtr); |
| } |
| |
| /** |
| * Read a CharSequence value from the parcel at the current dataPosition(). |
| * @hide |
| */ |
| public final CharSequence readCharSequence() { |
| return TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(this); |
| } |
| |
| /** |
| * Read an object from the parcel at the current dataPosition(). |
| */ |
| public final IBinder readStrongBinder() { |
| return nativeReadStrongBinder(mNativePtr); |
| } |
| |
| /** |
| * Read a FileDescriptor from the parcel at the current dataPosition(). |
| */ |
| public final ParcelFileDescriptor readFileDescriptor() { |
| FileDescriptor fd = nativeReadFileDescriptor(mNativePtr); |
| return fd != null ? new ParcelFileDescriptor(fd) : null; |
| } |
| |
| /** {@hide} */ |
| public final FileDescriptor readRawFileDescriptor() { |
| return nativeReadFileDescriptor(mNativePtr); |
| } |
| |
| /*package*/ static native FileDescriptor openFileDescriptor(String file, |
| int mode) throws FileNotFoundException; |
| /*package*/ static native FileDescriptor dupFileDescriptor(FileDescriptor orig) |
| throws IOException; |
| /*package*/ static native void closeFileDescriptor(FileDescriptor desc) |
| throws IOException; |
| /*package*/ static native void clearFileDescriptor(FileDescriptor desc); |
| |
| /** |
| * Read a byte value from the parcel at the current dataPosition(). |
| */ |
| public final byte readByte() { |
| return (byte)(readInt() & 0xff); |
| } |
| |
| /** |
| * Please use {@link #readBundle(ClassLoader)} instead (whose data must have |
| * been written with {@link #writeBundle}. Read into an existing Map object |
| * from the parcel at the current dataPosition(). |
| */ |
| public final void readMap(Map outVal, ClassLoader loader) { |
| int N = readInt(); |
| readMapInternal(outVal, N, loader); |
| } |
| |
| /** |
| * Read into an existing List object from the parcel at the current |
| * dataPosition(), using the given class loader to load any enclosed |
| * Parcelables. If it is null, the default class loader is used. |
| */ |
| public final void readList(List outVal, ClassLoader loader) { |
| int N = readInt(); |
| readListInternal(outVal, N, loader); |
| } |
| |
| /** |
| * Please use {@link #readBundle(ClassLoader)} instead (whose data must have |
| * been written with {@link #writeBundle}. Read and return a new HashMap |
| * object from the parcel at the current dataPosition(), using the given |
| * class loader to load any enclosed Parcelables. Returns null if |
| * the previously written map object was null. |
| */ |
| public final HashMap readHashMap(ClassLoader loader) |
| { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| HashMap m = new HashMap(N); |
| readMapInternal(m, N, loader); |
| return m; |
| } |
| |
| /** |
| * Read and return a new Bundle object from the parcel at the current |
| * dataPosition(). Returns null if the previously written Bundle object was |
| * null. |
| */ |
| public final Bundle readBundle() { |
| return readBundle(null); |
| } |
| |
| /** |
| * Read and return a new Bundle object from the parcel at the current |
| * dataPosition(), using the given class loader to initialize the class |
| * loader of the Bundle for later retrieval of Parcelable objects. |
| * Returns null if the previously written Bundle object was null. |
| */ |
| public final Bundle readBundle(ClassLoader loader) { |
| int length = readInt(); |
| if (length < 0) { |
| if (Bundle.DEBUG) Log.d(TAG, "null bundle: length=" + length); |
| return null; |
| } |
| |
| final Bundle bundle = new Bundle(this, length); |
| if (loader != null) { |
| bundle.setClassLoader(loader); |
| } |
| return bundle; |
| } |
| |
| /** |
| * Read and return a new Bundle object from the parcel at the current |
| * dataPosition(). Returns null if the previously written Bundle object was |
| * null. |
| */ |
| public final PersistableBundle readPersistableBundle() { |
| return readPersistableBundle(null); |
| } |
| |
| /** |
| * Read and return a new Bundle object from the parcel at the current |
| * dataPosition(), using the given class loader to initialize the class |
| * loader of the Bundle for later retrieval of Parcelable objects. |
| * Returns null if the previously written Bundle object was null. |
| */ |
| public final PersistableBundle readPersistableBundle(ClassLoader loader) { |
| int length = readInt(); |
| if (length < 0) { |
| if (Bundle.DEBUG) Log.d(TAG, "null bundle: length=" + length); |
| return null; |
| } |
| |
| final PersistableBundle bundle = new PersistableBundle(this, length); |
| if (loader != null) { |
| bundle.setClassLoader(loader); |
| } |
| return bundle; |
| } |
| |
| /** |
| * Read a Size from the parcel at the current dataPosition(). |
| */ |
| public final Size readSize() { |
| final int width = readInt(); |
| final int height = readInt(); |
| return new Size(width, height); |
| } |
| |
| /** |
| * Read a SizeF from the parcel at the current dataPosition(). |
| */ |
| public final SizeF readSizeF() { |
| final float width = readFloat(); |
| final float height = readFloat(); |
| return new SizeF(width, height); |
| } |
| |
| /** |
| * Read and return a byte[] object from the parcel. |
| */ |
| public final byte[] createByteArray() { |
| return nativeCreateByteArray(mNativePtr); |
| } |
| |
| /** |
| * Read a byte[] object from the parcel and copy it into the |
| * given byte array. |
| */ |
| public final void readByteArray(byte[] val) { |
| // TODO: make this a native method to avoid the extra copy. |
| byte[] ba = createByteArray(); |
| if (ba.length == val.length) { |
| System.arraycopy(ba, 0, val, 0, ba.length); |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| /** |
| * Read a blob of data from the parcel and return it as a byte array. |
| * {@hide} |
| * {@SystemApi} |
| */ |
| public final byte[] readBlob() { |
| return nativeReadBlob(mNativePtr); |
| } |
| |
| /** |
| * Read and return a String[] object from the parcel. |
| * {@hide} |
| */ |
| public final String[] readStringArray() { |
| String[] array = null; |
| |
| int length = readInt(); |
| if (length >= 0) |
| { |
| array = new String[length]; |
| |
| for (int i = 0 ; i < length ; i++) |
| { |
| array[i] = readString(); |
| } |
| } |
| |
| return array; |
| } |
| |
| /** |
| * Read and return a CharSequence[] object from the parcel. |
| * {@hide} |
| */ |
| public final CharSequence[] readCharSequenceArray() { |
| CharSequence[] array = null; |
| |
| int length = readInt(); |
| if (length >= 0) |
| { |
| array = new CharSequence[length]; |
| |
| for (int i = 0 ; i < length ; i++) |
| { |
| array[i] = readCharSequence(); |
| } |
| } |
| |
| return array; |
| } |
| |
| /** |
| * Read and return an ArrayList<CharSequence> object from the parcel. |
| * {@hide} |
| */ |
| public final ArrayList<CharSequence> readCharSequenceList() { |
| ArrayList<CharSequence> array = null; |
| |
| int length = readInt(); |
| if (length >= 0) { |
| array = new ArrayList<CharSequence>(length); |
| |
| for (int i = 0 ; i < length ; i++) { |
| array.add(readCharSequence()); |
| } |
| } |
| |
| return array; |
| } |
| |
| /** |
| * Read and return a new ArrayList object from the parcel at the current |
| * dataPosition(). Returns null if the previously written list object was |
| * null. The given class loader will be used to load any enclosed |
| * Parcelables. |
| */ |
| public final ArrayList readArrayList(ClassLoader loader) { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| ArrayList l = new ArrayList(N); |
| readListInternal(l, N, loader); |
| return l; |
| } |
| |
| /** |
| * Read and return a new Object array from the parcel at the current |
| * dataPosition(). Returns null if the previously written array was |
| * null. The given class loader will be used to load any enclosed |
| * Parcelables. |
| */ |
| public final Object[] readArray(ClassLoader loader) { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| Object[] l = new Object[N]; |
| readArrayInternal(l, N, loader); |
| return l; |
| } |
| |
| /** |
| * Read and return a new SparseArray object from the parcel at the current |
| * dataPosition(). Returns null if the previously written list object was |
| * null. The given class loader will be used to load any enclosed |
| * Parcelables. |
| */ |
| public final SparseArray readSparseArray(ClassLoader loader) { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| SparseArray sa = new SparseArray(N); |
| readSparseArrayInternal(sa, N, loader); |
| return sa; |
| } |
| |
| /** |
| * Read and return a new SparseBooleanArray object from the parcel at the current |
| * dataPosition(). Returns null if the previously written list object was |
| * null. |
| */ |
| public final SparseBooleanArray readSparseBooleanArray() { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| SparseBooleanArray sa = new SparseBooleanArray(N); |
| readSparseBooleanArrayInternal(sa, N); |
| return sa; |
| } |
| |
| /** |
| * Read and return a new ArrayList containing a particular object type from |
| * the parcel that was written with {@link #writeTypedList} at the |
| * current dataPosition(). Returns null if the |
| * previously written list object was null. The list <em>must</em> have |
| * previously been written via {@link #writeTypedList} with the same object |
| * type. |
| * |
| * @return A newly created ArrayList containing objects with the same data |
| * as those that were previously written. |
| * |
| * @see #writeTypedList |
| */ |
| public final <T> ArrayList<T> createTypedArrayList(Parcelable.Creator<T> c) { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| ArrayList<T> l = new ArrayList<T>(N); |
| while (N > 0) { |
| if (readInt() != 0) { |
| l.add(c.createFromParcel(this)); |
| } else { |
| l.add(null); |
| } |
| N--; |
| } |
| return l; |
| } |
| |
| /** |
| * Read into the given List items containing a particular object type |
| * that were written with {@link #writeTypedList} at the |
| * current dataPosition(). The list <em>must</em> have |
| * previously been written via {@link #writeTypedList} with the same object |
| * type. |
| * |
| * @return A newly created ArrayList containing objects with the same data |
| * as those that were previously written. |
| * |
| * @see #writeTypedList |
| */ |
| public final <T> void readTypedList(List<T> list, Parcelable.Creator<T> c) { |
| int M = list.size(); |
| int N = readInt(); |
| int i = 0; |
| for (; i < M && i < N; i++) { |
| if (readInt() != 0) { |
| list.set(i, c.createFromParcel(this)); |
| } else { |
| list.set(i, null); |
| } |
| } |
| for (; i<N; i++) { |
| if (readInt() != 0) { |
| list.add(c.createFromParcel(this)); |
| } else { |
| list.add(null); |
| } |
| } |
| for (; i<M; i++) { |
| list.remove(N); |
| } |
| } |
| |
| /** |
| * Read and return a new ArrayList containing String objects from |
| * the parcel that was written with {@link #writeStringList} at the |
| * current dataPosition(). Returns null if the |
| * previously written list object was null. |
| * |
| * @return A newly created ArrayList containing strings with the same data |
| * as those that were previously written. |
| * |
| * @see #writeStringList |
| */ |
| public final ArrayList<String> createStringArrayList() { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| ArrayList<String> l = new ArrayList<String>(N); |
| while (N > 0) { |
| l.add(readString()); |
| N--; |
| } |
| return l; |
| } |
| |
| /** |
| * Read and return a new ArrayList containing IBinder objects from |
| * the parcel that was written with {@link #writeBinderList} at the |
| * current dataPosition(). Returns null if the |
| * previously written list object was null. |
| * |
| * @return A newly created ArrayList containing strings with the same data |
| * as those that were previously written. |
| * |
| * @see #writeBinderList |
| */ |
| public final ArrayList<IBinder> createBinderArrayList() { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| ArrayList<IBinder> l = new ArrayList<IBinder>(N); |
| while (N > 0) { |
| l.add(readStrongBinder()); |
| N--; |
| } |
| return l; |
| } |
| |
| /** |
| * Read into the given List items String objects that were written with |
| * {@link #writeStringList} at the current dataPosition(). |
| * |
| * @return A newly created ArrayList containing strings with the same data |
| * as those that were previously written. |
| * |
| * @see #writeStringList |
| */ |
| public final void readStringList(List<String> list) { |
| int M = list.size(); |
| int N = readInt(); |
| int i = 0; |
| for (; i < M && i < N; i++) { |
| list.set(i, readString()); |
| } |
| for (; i<N; i++) { |
| list.add(readString()); |
| } |
| for (; i<M; i++) { |
| list.remove(N); |
| } |
| } |
| |
| /** |
| * Read into the given List items IBinder objects that were written with |
| * {@link #writeBinderList} at the current dataPosition(). |
| * |
| * @return A newly created ArrayList containing strings with the same data |
| * as those that were previously written. |
| * |
| * @see #writeBinderList |
| */ |
| public final void readBinderList(List<IBinder> list) { |
| int M = list.size(); |
| int N = readInt(); |
| int i = 0; |
| for (; i < M && i < N; i++) { |
| list.set(i, readStrongBinder()); |
| } |
| for (; i<N; i++) { |
| list.add(readStrongBinder()); |
| } |
| for (; i<M; i++) { |
| list.remove(N); |
| } |
| } |
| |
| /** |
| * Read and return a new array containing a particular object type from |
| * the parcel at the current dataPosition(). Returns null if the |
| * previously written array was null. The array <em>must</em> have |
| * previously been written via {@link #writeTypedArray} with the same |
| * object type. |
| * |
| * @return A newly created array containing objects with the same data |
| * as those that were previously written. |
| * |
| * @see #writeTypedArray |
| */ |
| public final <T> T[] createTypedArray(Parcelable.Creator<T> c) { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| T[] l = c.newArray(N); |
| for (int i=0; i<N; i++) { |
| if (readInt() != 0) { |
| l[i] = c.createFromParcel(this); |
| } |
| } |
| return l; |
| } |
| |
| public final <T> void readTypedArray(T[] val, Parcelable.Creator<T> c) { |
| int N = readInt(); |
| if (N == val.length) { |
| for (int i=0; i<N; i++) { |
| if (readInt() != 0) { |
| val[i] = c.createFromParcel(this); |
| } else { |
| val[i] = null; |
| } |
| } |
| } else { |
| throw new RuntimeException("bad array lengths"); |
| } |
| } |
| |
| /** |
| * @deprecated |
| * @hide |
| */ |
| @Deprecated |
| public final <T> T[] readTypedArray(Parcelable.Creator<T> c) { |
| return createTypedArray(c); |
| } |
| |
| /** |
| * Read and return a typed Parcelable object from a parcel. |
| * Returns null if the previous written object was null. |
| * The object <em>must</em> have previous been written via |
| * {@link #writeTypedObject} with the same object type. |
| * |
| * @return A newly created object of the type that was previously |
| * written. |
| * |
| * @see #writeTypedObject |
| */ |
| public final <T> T readTypedObject(Parcelable.Creator<T> c) { |
| if (readInt() != 0) { |
| return c.createFromParcel(this); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Write a heterogeneous array of Parcelable objects into the Parcel. |
| * Each object in the array is written along with its class name, so |
| * that the correct class can later be instantiated. As a result, this |
| * has significantly more overhead than {@link #writeTypedArray}, but will |
| * correctly handle an array containing more than one type of object. |
| * |
| * @param value The array of objects to be written. |
| * @param parcelableFlags Contextual flags as per |
| * {@link Parcelable#writeToParcel(Parcel, int) Parcelable.writeToParcel()}. |
| * |
| * @see #writeTypedArray |
| */ |
| public final <T extends Parcelable> void writeParcelableArray(T[] value, |
| int parcelableFlags) { |
| if (value != null) { |
| int N = value.length; |
| writeInt(N); |
| for (int i=0; i<N; i++) { |
| writeParcelable(value[i], parcelableFlags); |
| } |
| } else { |
| writeInt(-1); |
| } |
| } |
| |
| /** |
| * Read a typed object from a parcel. The given class loader will be |
| * used to load any enclosed Parcelables. If it is null, the default class |
| * loader will be used. |
| */ |
| public final Object readValue(ClassLoader loader) { |
| int type = readInt(); |
| |
| switch (type) { |
| case VAL_NULL: |
| return null; |
| |
| case VAL_STRING: |
| return readString(); |
| |
| case VAL_INTEGER: |
| return readInt(); |
| |
| case VAL_MAP: |
| return readHashMap(loader); |
| |
| case VAL_PARCELABLE: |
| return readParcelable(loader); |
| |
| case VAL_SHORT: |
| return (short) readInt(); |
| |
| case VAL_LONG: |
| return readLong(); |
| |
| case VAL_FLOAT: |
| return readFloat(); |
| |
| case VAL_DOUBLE: |
| return readDouble(); |
| |
| case VAL_BOOLEAN: |
| return readInt() == 1; |
| |
| case VAL_CHARSEQUENCE: |
| return readCharSequence(); |
| |
| case VAL_LIST: |
| return readArrayList(loader); |
| |
| case VAL_BOOLEANARRAY: |
| return createBooleanArray(); |
| |
| case VAL_BYTEARRAY: |
| return createByteArray(); |
| |
| case VAL_STRINGARRAY: |
| return readStringArray(); |
| |
| case VAL_CHARSEQUENCEARRAY: |
| return readCharSequenceArray(); |
| |
| case VAL_IBINDER: |
| return readStrongBinder(); |
| |
| case VAL_OBJECTARRAY: |
| return readArray(loader); |
| |
| case VAL_INTARRAY: |
| return createIntArray(); |
| |
| case VAL_LONGARRAY: |
| return createLongArray(); |
| |
| case VAL_BYTE: |
| return readByte(); |
| |
| case VAL_SERIALIZABLE: |
| return readSerializable(loader); |
| |
| case VAL_PARCELABLEARRAY: |
| return readParcelableArray(loader); |
| |
| case VAL_SPARSEARRAY: |
| return readSparseArray(loader); |
| |
| case VAL_SPARSEBOOLEANARRAY: |
| return readSparseBooleanArray(); |
| |
| case VAL_BUNDLE: |
| return readBundle(loader); // loading will be deferred |
| |
| case VAL_PERSISTABLEBUNDLE: |
| return readPersistableBundle(loader); |
| |
| case VAL_SIZE: |
| return readSize(); |
| |
| case VAL_SIZEF: |
| return readSizeF(); |
| |
| default: |
| int off = dataPosition() - 4; |
| throw new RuntimeException( |
| "Parcel " + this + ": Unmarshalling unknown type code " + type + " at offset " + off); |
| } |
| } |
| |
| /** |
| * Read and return a new Parcelable from the parcel. The given class loader |
| * will be used to load any enclosed Parcelables. If it is null, the default |
| * class loader will be used. |
| * @param loader A ClassLoader from which to instantiate the Parcelable |
| * object, or null for the default class loader. |
| * @return Returns the newly created Parcelable, or null if a null |
| * object has been written. |
| * @throws BadParcelableException Throws BadParcelableException if there |
| * was an error trying to instantiate the Parcelable. |
| */ |
| @SuppressWarnings("unchecked") |
| public final <T extends Parcelable> T readParcelable(ClassLoader loader) { |
| Parcelable.Creator<?> creator = readParcelableCreator(loader); |
| if (creator == null) { |
| return null; |
| } |
| if (creator instanceof Parcelable.ClassLoaderCreator<?>) { |
| Parcelable.ClassLoaderCreator<?> classLoaderCreator = |
| (Parcelable.ClassLoaderCreator<?>) creator; |
| return (T) classLoaderCreator.createFromParcel(this, loader); |
| } |
| return (T) creator.createFromParcel(this); |
| } |
| |
| /** @hide */ |
| @SuppressWarnings("unchecked") |
| public final <T extends Parcelable> T readCreator(Parcelable.Creator<?> creator, |
| ClassLoader loader) { |
| if (creator instanceof Parcelable.ClassLoaderCreator<?>) { |
| Parcelable.ClassLoaderCreator<?> classLoaderCreator = |
| (Parcelable.ClassLoaderCreator<?>) creator; |
| return (T) classLoaderCreator.createFromParcel(this, loader); |
| } |
| return (T) creator.createFromParcel(this); |
| } |
| |
| /** @hide */ |
| public final Parcelable.Creator<?> readParcelableCreator(ClassLoader loader) { |
| String name = readString(); |
| if (name == null) { |
| return null; |
| } |
| Parcelable.Creator<?> creator; |
| synchronized (mCreators) { |
| HashMap<String,Parcelable.Creator<?>> map = mCreators.get(loader); |
| if (map == null) { |
| map = new HashMap<>(); |
| mCreators.put(loader, map); |
| } |
| creator = map.get(name); |
| if (creator == null) { |
| try { |
| // If loader == null, explicitly emulate Class.forName(String) "caller |
| // classloader" behavior. |
| ClassLoader parcelableClassLoader = |
| (loader == null ? getClass().getClassLoader() : loader); |
| // Avoid initializing the Parcelable class until we know it implements |
| // Parcelable and has the necessary CREATOR field. http://b/1171613. |
| Class<?> parcelableClass = Class.forName(name, false /* initialize */, |
| parcelableClassLoader); |
| if (!Parcelable.class.isAssignableFrom(parcelableClass)) { |
| throw new BadParcelableException("Parcelable protocol requires that the " |
| + "class implements Parcelable"); |
| } |
| Field f = parcelableClass.getField("CREATOR"); |
| if ((f.getModifiers() & Modifier.STATIC) == 0) { |
| throw new BadParcelableException("Parcelable protocol requires " |
| + "the CREATOR object to be static on class " + name); |
| } |
| Class<?> creatorType = f.getType(); |
| if (!Parcelable.Creator.class.isAssignableFrom(creatorType)) { |
| // Fail before calling Field.get(), not after, to avoid initializing |
| // parcelableClass unnecessarily. |
| throw new BadParcelableException("Parcelable protocol requires a " |
| + "Parcelable.Creator object called " |
| + "CREATOR on class " + name); |
| } |
| creator = (Parcelable.Creator<?>) f.get(null); |
| } |
| catch (IllegalAccessException e) { |
| Log.e(TAG, "Illegal access when unmarshalling: " + name, e); |
| throw new BadParcelableException( |
| "IllegalAccessException when unmarshalling: " + name); |
| } |
| catch (ClassNotFoundException e) { |
| Log.e(TAG, "Class not found when unmarshalling: " + name, e); |
| throw new BadParcelableException( |
| "ClassNotFoundException when unmarshalling: " + name); |
| } |
| catch (NoSuchFieldException e) { |
| throw new BadParcelableException("Parcelable protocol requires a " |
| + "Parcelable.Creator object called " |
| + "CREATOR on class " + name); |
| } |
| if (creator == null) { |
| throw new BadParcelableException("Parcelable protocol requires a " |
| + "non-null Parcelable.Creator object called " |
| + "CREATOR on class " + name); |
| } |
| |
| map.put(name, creator); |
| } |
| } |
| |
| return creator; |
| } |
| |
| /** |
| * Read and return a new Parcelable array from the parcel. |
| * The given class loader will be used to load any enclosed |
| * Parcelables. |
| * @return the Parcelable array, or null if the array is null |
| */ |
| public final Parcelable[] readParcelableArray(ClassLoader loader) { |
| int N = readInt(); |
| if (N < 0) { |
| return null; |
| } |
| Parcelable[] p = new Parcelable[N]; |
| for (int i = 0; i < N; i++) { |
| p[i] = readParcelable(loader); |
| } |
| return p; |
| } |
| |
| /** |
| * Read and return a new Serializable object from the parcel. |
| * @return the Serializable object, or null if the Serializable name |
| * wasn't found in the parcel. |
| */ |
| public final Serializable readSerializable() { |
| return readSerializable(null); |
| } |
| |
| private final Serializable readSerializable(final ClassLoader loader) { |
| String name = readString(); |
| if (name == null) { |
| // For some reason we were unable to read the name of the Serializable (either there |
| // is nothing left in the Parcel to read, or the next value wasn't a String), so |
| // return null, which indicates that the name wasn't found in the parcel. |
| return null; |
| } |
| |
| byte[] serializedData = createByteArray(); |
| ByteArrayInputStream bais = new ByteArrayInputStream(serializedData); |
| try { |
| ObjectInputStream ois = new ObjectInputStream(bais) { |
| @Override |
| protected Class<?> resolveClass(ObjectStreamClass osClass) |
| throws IOException, ClassNotFoundException { |
| // try the custom classloader if provided |
| if (loader != null) { |
| Class<?> c = Class.forName(osClass.getName(), false, loader); |
| if (c != null) { |
| return c; |
| } |
| } |
| return super.resolveClass(osClass); |
| } |
| }; |
| return (Serializable) ois.readObject(); |
| } catch (IOException ioe) { |
| throw new RuntimeException("Parcelable encountered " + |
| "IOException reading a Serializable object (name = " + name + |
| ")", ioe); |
| } catch (ClassNotFoundException cnfe) { |
| throw new RuntimeException("Parcelable encountered " + |
| "ClassNotFoundException reading a Serializable object (name = " |
| + name + ")", cnfe); |
| } |
| } |
| |
| // Cache of previously looked up CREATOR.createFromParcel() methods for |
| // particular classes. Keys are the names of the classes, values are |
| // Method objects. |
| private static final HashMap<ClassLoader,HashMap<String,Parcelable.Creator<?>>> |
| mCreators = new HashMap<>(); |
| |
| /** @hide for internal use only. */ |
| static protected final Parcel obtain(int obj) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** @hide */ |
| static protected final Parcel obtain(long obj) { |
| final Parcel[] pool = sHolderPool; |
| synchronized (pool) { |
| Parcel p; |
| for (int i=0; i<POOL_SIZE; i++) { |
| p = pool[i]; |
| if (p != null) { |
| pool[i] = null; |
| if (DEBUG_RECYCLE) { |
| p.mStack = new RuntimeException(); |
| } |
| p.init(obj); |
| return p; |
| } |
| } |
| } |
| return new Parcel(obj); |
| } |
| |
| private Parcel(long nativePtr) { |
| if (DEBUG_RECYCLE) { |
| mStack = new RuntimeException(); |
| } |
| //Log.i(TAG, "Initializing obj=0x" + Integer.toHexString(obj), mStack); |
| init(nativePtr); |
| } |
| |
| private void init(long nativePtr) { |
| if (nativePtr != 0) { |
| mNativePtr = nativePtr; |
| mOwnsNativeParcelObject = false; |
| } else { |
| mNativePtr = nativeCreate(); |
| mOwnsNativeParcelObject = true; |
| } |
| } |
| |
| private void freeBuffer() { |
| if (mOwnsNativeParcelObject) { |
| nativeFreeBuffer(mNativePtr); |
| } |
| } |
| |
| private void destroy() { |
| if (mNativePtr != 0) { |
| if (mOwnsNativeParcelObject) { |
| nativeDestroy(mNativePtr); |
| } |
| mNativePtr = 0; |
| } |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| if (DEBUG_RECYCLE) { |
| if (mStack != null) { |
| Log.w(TAG, "Client did not call Parcel.recycle()", mStack); |
| } |
| } |
| destroy(); |
| } |
| |
| /* package */ void readMapInternal(Map outVal, int N, |
| ClassLoader loader) { |
| while (N > 0) { |
| Object key = readValue(loader); |
| Object value = readValue(loader); |
| outVal.put(key, value); |
| N--; |
| } |
| } |
| |
| /* package */ void readArrayMapInternal(ArrayMap outVal, int N, |
| ClassLoader loader) { |
| if (DEBUG_ARRAY_MAP) { |
| RuntimeException here = new RuntimeException("here"); |
| here.fillInStackTrace(); |
| Log.d(TAG, "Reading " + N + " ArrayMap entries", here); |
| } |
| int startPos; |
| while (N > 0) { |
| if (DEBUG_ARRAY_MAP) startPos = dataPosition(); |
| String key = readString(); |
| Object value = readValue(loader); |
| if (DEBUG_ARRAY_MAP) Log.d(TAG, " Read #" + (N-1) + " " |
| + (dataPosition()-startPos) + " bytes: key=0x" |
| + Integer.toHexString((key != null ? key.hashCode() : 0)) + " " + key); |
| outVal.append(key, value); |
| N--; |
| } |
| outVal.validate(); |
| } |
| |
| /* package */ void readArrayMapSafelyInternal(ArrayMap outVal, int N, |
| ClassLoader loader) { |
| if (DEBUG_ARRAY_MAP) { |
| RuntimeException here = new RuntimeException("here"); |
| here.fillInStackTrace(); |
| Log.d(TAG, "Reading safely " + N + " ArrayMap entries", here); |
| } |
| while (N > 0) { |
| String key = readString(); |
| if (DEBUG_ARRAY_MAP) Log.d(TAG, " Read safe #" + (N-1) + ": key=0x" |
| + (key != null ? key.hashCode() : 0) + " " + key); |
| Object value = readValue(loader); |
| outVal.put(key, value); |
| N--; |
| } |
| } |
| |
| /** |
| * @hide For testing only. |
| */ |
| public void readArrayMap(ArrayMap outVal, ClassLoader loader) { |
| final int N = readInt(); |
| if (N < 0) { |
| return; |
| } |
| readArrayMapInternal(outVal, N, loader); |
| } |
| |
| private void readListInternal(List outVal, int N, |
| ClassLoader loader) { |
| while (N > 0) { |
| Object value = readValue(loader); |
| //Log.d(TAG, "Unmarshalling value=" + value); |
| outVal.add(value); |
| N--; |
| } |
| } |
| |
| private void readArrayInternal(Object[] outVal, int N, |
| ClassLoader loader) { |
| for (int i = 0; i < N; i++) { |
| Object value = readValue(loader); |
| //Log.d(TAG, "Unmarshalling value=" + value); |
| outVal[i] = value; |
| } |
| } |
| |
| private void readSparseArrayInternal(SparseArray outVal, int N, |
| ClassLoader loader) { |
| while (N > 0) { |
| int key = readInt(); |
| Object value = readValue(loader); |
| //Log.i(TAG, "Unmarshalling key=" + key + " value=" + value); |
| outVal.append(key, value); |
| N--; |
| } |
| } |
| |
| |
| private void readSparseBooleanArrayInternal(SparseBooleanArray outVal, int N) { |
| while (N > 0) { |
| int key = readInt(); |
| boolean value = this.readByte() == 1; |
| //Log.i(TAG, "Unmarshalling key=" + key + " value=" + value); |
| outVal.append(key, value); |
| N--; |
| } |
| } |
| |
| /** |
| * @hide For testing |
| */ |
| public long getBlobAshmemSize() { |
| return nativeGetBlobAshmemSize(mNativePtr); |
| } |
| } |