1// Protocol Buffers - Google's data interchange format 2// Copyright 2014 Google Inc. All rights reserved. 3// http://code.google.com/p/protobuf/ 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions are 7// met: 8// 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 14// distribution. 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. 18// 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. 30 31package com.google.protobuf.nano.android; 32 33import android.os.Parcel; 34import android.util.Log; 35 36import com.google.protobuf.nano.InvalidProtocolBufferNanoException; 37import com.google.protobuf.nano.MessageNano; 38 39final class ParcelingUtil { 40 private static final String TAG = "ParcelingUtil"; 41 42 @SuppressWarnings("unchecked") 43 static <T extends MessageNano> T createFromParcel(Parcel in) { 44 String className = in.readString(); 45 byte[] data = in.createByteArray(); 46 47 T proto = null; 48 49 try { 50 Class<?> clazz = Class.forName(className); 51 Object instance = clazz.newInstance(); 52 proto = (T) instance; 53 MessageNano.mergeFrom(proto, data); 54 } catch (ClassNotFoundException e) { 55 Log.e(TAG, "Exception trying to create proto from parcel", e); 56 } catch (IllegalAccessException e) { 57 Log.e(TAG, "Exception trying to create proto from parcel", e); 58 } catch (InstantiationException e) { 59 Log.e(TAG, "Exception trying to create proto from parcel", e); 60 } catch (InvalidProtocolBufferNanoException e) { 61 Log.e(TAG, "Exception trying to create proto from parcel", e); 62 } 63 64 return proto; 65 } 66 67 static <T extends MessageNano> void writeToParcel(Class<T> clazz, MessageNano message, 68 Parcel out) { 69 out.writeString(clazz.getName()); 70 out.writeByteArray(MessageNano.toByteArray(message)); 71 } 72} 73