| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.dubbo.common.serialize.gson; |
| |
| import org.apache.dubbo.common.serialize.ObjectOutput; |
| |
| import com.google.gson.Gson; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.Writer; |
| |
| |
| public class GsonJsonObjectOutput implements ObjectOutput { |
| |
| private final PrintWriter writer; |
| private Gson gson = null; |
| |
| public GsonJsonObjectOutput(OutputStream out) { |
| this(new OutputStreamWriter(out)); |
| } |
| |
| public GsonJsonObjectOutput(Writer writer) { |
| this.gson = new Gson(); |
| this.writer = new PrintWriter(writer); |
| } |
| |
| @Override |
| public void writeBool(boolean v) throws IOException { |
| writeObject(v); |
| } |
| |
| @Override |
| public void writeByte(byte v) throws IOException { |
| writeObject(v); |
| } |
| |
| @Override |
| public void writeShort(short v) throws IOException { |
| writeObject(v); |
| } |
| |
| @Override |
| public void writeInt(int v) throws IOException { |
| writeObject(v); |
| } |
| |
| @Override |
| public void writeLong(long v) throws IOException { |
| writeObject(v); |
| } |
| |
| @Override |
| public void writeFloat(float v) throws IOException { |
| writeObject(v); |
| } |
| |
| @Override |
| public void writeDouble(double v) throws IOException { |
| writeObject(v); |
| } |
| |
| @Override |
| public void writeUTF(String v) throws IOException { |
| writeObject(v); |
| } |
| |
| @Override |
| public void writeBytes(byte[] b) throws IOException { |
| writer.println(new String(b)); |
| } |
| |
| @Override |
| public void writeBytes(byte[] b, int off, int len) throws IOException { |
| writer.println(new String(b, off, len)); |
| } |
| |
| @Override |
| public void writeObject(Object obj) throws IOException { |
| char[] json = gson.toJson(obj).toCharArray(); |
| writer.write(json, 0, json.length); |
| writer.println(); |
| writer.flush(); |
| json = null; |
| } |
| |
| |
| @Override |
| public void writeThrowable(Object obj) throws IOException { |
| String clazz = obj.getClass().getName(); |
| ExceptionWrapper bo = new ExceptionWrapper(obj, clazz); |
| this.writeObject(bo); |
| } |
| |
| @Override |
| public void flushBuffer() throws IOException { |
| writer.flush(); |
| } |
| |
| } |