blob: 524aded0a532da51db32713940246f93ef3a6e44 [file] [log] [blame]
/*
* 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.fastjson;
import com.alibaba.fastjson.JSON;
import org.apache.dubbo.common.serialize.DefaultJsonDataOutput;
import com.alibaba.fastjson.serializer.SerializerFeature;
import java.io.IOException;
import java.io.OutputStream;
/**
* FastJson object output implementation
*/
public class FastJsonObjectOutput implements DefaultJsonDataOutput {
private OutputStream os;
public FastJsonObjectOutput(OutputStream out) {
this.os = out;
}
@Override
public void writeBytes(byte[] b) throws IOException {
os.write(b.length);
os.write(b);
}
@Override
public void writeBytes(byte[] b, int off, int len) throws IOException {
os.write(len);
os.write(b, off, len);
}
@Override
public void writeObject(Object obj) throws IOException {
byte[] bytes = JSON.toJSONBytes(obj,
SerializerFeature.WriteMapNullValue,
SerializerFeature.WriteClassName,
SerializerFeature.NotWriteDefaultValue,
SerializerFeature.WriteNullStringAsEmpty,
SerializerFeature.WriteClassName,
SerializerFeature.WriteNullNumberAsZero,
SerializerFeature.WriteNullBooleanAsFalse
);
writeLength(bytes.length);
os.write(bytes);
os.flush();
}
private void writeLength(int value) throws IOException {
byte[] bytes = new byte[Integer.BYTES];
int length = bytes.length;
for (int i = 0; i < length; i++) {
bytes[length - i - 1] = (byte) (value & 0xFF);
value >>= 8;
}
os.write(bytes);
}
@Override
public void flushBuffer() throws IOException {
os.flush();
}
}