/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectOutput.java

/*

 * Copyright 1999-2011 Alibaba Group.

 *  

 * 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 com.alibaba.dubbo.common.serialize.support.json;



import java.io.IOException;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.io.PrintWriter;

import java.io.Writer;



import com.alibaba.dubbo.common.serialize.ObjectOutput;

import com.alibaba.fastjson.serializer.JSONSerializer;

import com.alibaba.fastjson.serializer.SerializeWriter;

import com.alibaba.fastjson.serializer.SerializerFeature;



/**

 * JsonObjectOutput

 * 

 * @author william.liangf

 */

public class FastJsonObjectOutput implements ObjectOutput {



    private final PrintWriter writer;

    

    public FastJsonObjectOutput(OutputStream out) {

        this(new OutputStreamWriter(out));

    }

    

    public FastJsonObjectOutput(Writer writer) {

        this.writer = new PrintWriter(writer);

    }



    public void writeBool(boolean v) throws IOException {

        writeObject(v);

    }



    public void writeByte(byte v) throws IOException {

        writeObject(v);

    }



    public void writeShort(short v) throws IOException {

        writeObject(v);

    }



    public void writeInt(int v) throws IOException {

        writeObject(v);

    }



    public void writeLong(long v) throws IOException {

        writeObject(v);

    }



    public void writeFloat(float v) throws IOException {

        writeObject(v);

    }



    public void writeDouble(double v) throws IOException {

        writeObject(v);

    }



    public void writeUTF(String v) throws IOException {

        writeObject(v);

    }



    public void writeBytes(byte[] b) throws IOException {

        writer.println(new String(b));

    }



    public void writeBytes(byte[] b, int off, int len) throws IOException {

        writer.println(new String(b, off, len));

    }



    public void writeObject(Object obj) throws IOException {

        SerializeWriter out = new SerializeWriter();

        JSONSerializer serializer = new JSONSerializer(out);

        serializer.config(SerializerFeature.WriteEnumUsingToString, true);

        serializer.write(obj);

        out.writeTo(writer);

        writer.println();

        writer.flush();

    }



    public void flushBuffer() throws IOException {

        writer.flush();

    }



}