| /* |
| * Copyright (C) 2011, 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. |
| */ |
| /* |
| * Contributed by: Giesecke & Devrient GmbH. |
| */ |
| |
| package org.simalliance.openmobileapi.service; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import java.lang.reflect.Constructor; |
| |
| /** |
| * Smartcard service parameter class used to marshal exception information from |
| * the smartcard service to clients. |
| */ |
| public class SmartcardError implements Parcelable { |
| private String mClazz; |
| |
| private String mMessage; |
| |
| public static final Parcelable.Creator<SmartcardError> CREATOR = new Parcelable.Creator<SmartcardError>() { |
| public SmartcardError createFromParcel(Parcel in) { |
| return new SmartcardError(in); |
| } |
| |
| public SmartcardError[] newArray(int size) { |
| return new SmartcardError[size]; |
| } |
| }; |
| |
| /** |
| * Creates an empty smartcard error container. |
| */ |
| public SmartcardError() { |
| this.mClazz = ""; |
| this.mMessage = ""; |
| } |
| |
| private SmartcardError(Parcel in) { |
| mClazz = in.readString(); |
| mMessage = in.readString(); |
| } |
| |
| /** |
| * Creates a smartcard error which creates the specified exception. |
| * |
| * @param clazz the exception class. <code>null</code> to reset the error |
| * information. |
| * @param message the exception message. |
| */ |
| public SmartcardError(String clazz, String message) { |
| this.mClazz = (clazz == null) ? "" : clazz; |
| this.mMessage = (message == null) ? "" : message; |
| } |
| |
| /** |
| * Clears the error. |
| */ |
| public void clear() { |
| this.mClazz = ""; |
| this.mMessage = ""; |
| } |
| |
| /** |
| * Creates the encoded exception. Returns <code>null</code> if empty. If the |
| * encoded exception is neither a RuntimeException nor a CardException, it |
| * is encapsulated in a RuntimeException. |
| * |
| * @return the encoded exception or <code>null</code> if empty. |
| */ |
| @SuppressWarnings({ "rawtypes" }) |
| public Exception createException() { |
| try { |
| if (mClazz.length() == 0) { |
| return null; |
| } |
| if (mMessage.length() == 0) { |
| return (Exception) Class.forName(mClazz).newInstance(); |
| } |
| Constructor constructor = Class.forName(mClazz).getConstructor(String.class); |
| return (Exception) constructor.newInstance(mMessage); |
| } catch (Exception e) { |
| return null; |
| } |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void readFromParcel(Parcel in) { |
| mClazz = in.readString(); |
| mMessage = in.readString(); |
| } |
| |
| /** |
| * Sets the error information. |
| * |
| * @param clazz the exception class. <code>null</code> to reset the error |
| * information. |
| * @param message the exception message. |
| */ |
| @SuppressWarnings({ "rawtypes" }) |
| public void setError(Class clazz, String message) { |
| this.mClazz = (clazz == null) ? "" : clazz.getName(); |
| this.mMessage = (message == null) ? "" : message; |
| } |
| |
| /** |
| * Throws the encoded exception. Does not throw an exception if the |
| * container is empty. If the encoded exception is neither a |
| * RuntimeException nor a CardException, it is encapsulated in a |
| * RuntimeException. |
| * |
| * @throws RuntimeException if the encoded exception is not a CardException. |
| * @throws CardException if a CardException is encoded. |
| */ |
| public void throwException() throws CardException { |
| Exception e = createException(); |
| if (e == null) { |
| return; |
| } |
| if (e instanceof CardException) { |
| throw (CardException) e; |
| } |
| if (e instanceof RuntimeException) { |
| throw (RuntimeException) e; |
| } |
| throw new RuntimeException(e); |
| } |
| |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeString(mClazz); |
| out.writeString(mMessage); |
| } |
| } |