1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2015 Google Inc. All rights reserved.
3 // http://code.google.com/p/protobuf/
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
9 // * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
15 // * Neither the name of Google Inc. nor the names of its
16 // contributors may be used to endorse or promote products derived from
17 // this software without specific prior written permission.
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 package com.google.protobuf.nano.android;
33 import android.os.Parcel;
34 import android.os.Parcelable;
35 import android.util.Log;
37 import com.google.protobuf.nano.InvalidProtocolBufferNanoException;
38 import com.google.protobuf.nano.MessageNano;
40 import java.lang.reflect.Array;
41 import java.lang.reflect.InvocationTargetException;
43 public final class ParcelableMessageNanoCreator<T extends MessageNano>
44 implements Parcelable.Creator<T> {
45 private static final String TAG = "PMNCreator";
47 private final Class<T> mClazz;
49 public ParcelableMessageNanoCreator(Class<T> clazz) {
53 @SuppressWarnings("unchecked")
55 public T createFromParcel(Parcel in) {
56 String className = in.readString();
57 byte[] data = in.createByteArray();
62 // Check that the provided class is a subclass of MessageNano before executing any code
64 Class.forName(className, false /*initialize*/, this.getClass().getClassLoader())
65 .asSubclass(MessageNano.class);
66 Object instance = clazz.getConstructor().newInstance();
68 MessageNano.mergeFrom(proto, data);
69 } catch (ClassNotFoundException e) {
70 Log.e(TAG, "Exception trying to create proto from parcel", e);
71 } catch (NoSuchMethodException e) {
72 Log.e(TAG, "Exception trying to create proto from parcel", e);
73 } catch (InvocationTargetException e) {
74 Log.e(TAG, "Exception trying to create proto from parcel", e);
75 } catch (IllegalAccessException e) {
76 Log.e(TAG, "Exception trying to create proto from parcel", e);
77 } catch (InstantiationException e) {
78 Log.e(TAG, "Exception trying to create proto from parcel", e);
79 } catch (InvalidProtocolBufferNanoException e) {
80 Log.e(TAG, "Exception trying to create proto from parcel", e);
86 @SuppressWarnings("unchecked")
88 public T[] newArray(int i) {
89 return (T[]) Array.newInstance(mClazz, i);
92 static <T extends MessageNano> void writeToParcel(Class<T> clazz, MessageNano message,
94 out.writeString(clazz.getName());
95 out.writeByteArray(MessageNano.toByteArray(message));