io.datarouter.binarydto.multi.iostream.BinaryDtoOutputStreamWriter Maven / Gradle / Ivy
/*
* Copyright © 2009 HotPads ([email protected])
*
* 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 io.datarouter.binarydto.multi.iostream;
import java.io.OutputStream;
import io.datarouter.binarydto.codec.BinaryDtoIndexedCodec;
import io.datarouter.binarydto.dto.BaseBinaryDto;
import io.datarouter.bytes.io.OutputStreamTool;
import io.datarouter.bytes.varint.VarIntTool;
public class BinaryDtoOutputStreamWriter>
implements AutoCloseable{
private final BinaryDtoIndexedCodec codec;
private final OutputStream outputStream;
public BinaryDtoOutputStreamWriter(Class dtoClass, OutputStream outputStream){
this.codec = BinaryDtoIndexedCodec.of(dtoClass);
this.outputStream = outputStream;
}
public int write(T dto){
byte[] dataBytes = codec.encode(dto);
byte[] lengthBytes = VarIntTool.encode(dataBytes.length);
OutputStreamTool.write(outputStream, lengthBytes);
OutputStreamTool.write(outputStream, dataBytes);
return lengthBytes.length + dataBytes.length;
}
@Override
public void close(){
OutputStreamTool.close(outputStream);
}
}