| /* |
| * Copyright (C) 2016 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.hardware.location; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.SystemApi; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| /** |
| * @hide |
| */ |
| @SystemApi |
| public class MemoryRegion implements Parcelable{ |
| |
| private int mSizeBytes; |
| private int mSizeBytesFree; |
| private boolean mIsReadable; |
| private boolean mIsWritable; |
| private boolean mIsExecutable; |
| |
| /** |
| * get the capacity of the memory region in bytes |
| * |
| * @return int - the memory capacity in bytes |
| */ |
| public int getCapacityBytes() { |
| return mSizeBytes; |
| } |
| |
| /** |
| * get the free capacity of the memory region in bytes |
| * |
| * @return int - free bytes |
| */ |
| public int getFreeCapacityBytes() { |
| return mSizeBytesFree; |
| } |
| |
| /** |
| * Is the memory readable |
| * |
| * @return boolean - true if memory is readable, false otherwise |
| */ |
| public boolean isReadable() { |
| return mIsReadable; |
| } |
| |
| /** |
| * Is the memory writable |
| * |
| * @return boolean - true if memory is writable, false otherwise |
| */ |
| public boolean isWritable() { |
| return mIsWritable; |
| } |
| |
| /** |
| * Is the memory executable |
| * |
| * @return boolean - true if memory is executable, false |
| * otherwise |
| */ |
| public boolean isExecutable() { |
| return mIsExecutable; |
| } |
| |
| @NonNull |
| @Override |
| public String toString() { |
| String mask = ""; |
| |
| if (isReadable()) { |
| mask += "r"; |
| } else { |
| mask += "-"; |
| } |
| |
| if (isWritable()) { |
| mask += "w"; |
| } else { |
| mask += "-"; |
| } |
| |
| if (isExecutable()) { |
| mask += "x"; |
| } else { |
| mask += "-"; |
| } |
| |
| String retVal = "[ " + mSizeBytesFree + "/ " + mSizeBytes + " ] : " + mask; |
| |
| return retVal; |
| } |
| |
| @Override |
| public boolean equals(@Nullable Object object) { |
| if (object == this) { |
| return true; |
| } |
| |
| boolean isEqual = false; |
| if (object instanceof MemoryRegion) { |
| MemoryRegion other = (MemoryRegion) object; |
| isEqual = (other.getCapacityBytes() == mSizeBytes) |
| && (other.getFreeCapacityBytes() == mSizeBytesFree) |
| && (other.isReadable() == mIsReadable) |
| && (other.isWritable() == mIsWritable) |
| && (other.isExecutable() == mIsExecutable); |
| } |
| |
| return isEqual; |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(mSizeBytes); |
| dest.writeInt(mSizeBytesFree); |
| dest.writeInt(mIsReadable ? 1 : 0); |
| dest.writeInt(mIsWritable ? 1 : 0); |
| dest.writeInt(mIsExecutable ? 1 : 0); |
| } |
| |
| public MemoryRegion(Parcel source) { |
| mSizeBytes = source.readInt(); |
| mSizeBytesFree = source.readInt(); |
| mIsReadable = source.readInt() != 0; |
| mIsWritable = source.readInt() != 0; |
| mIsExecutable = source.readInt() != 0; |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<MemoryRegion> CREATOR |
| = new Parcelable.Creator<MemoryRegion>() { |
| public MemoryRegion createFromParcel(Parcel in) { |
| return new MemoryRegion(in); |
| } |
| |
| public MemoryRegion[] newArray(int size) { |
| return new MemoryRegion[size]; |
| } |
| }; |
| |
| } |