org.fusesource.hawtbuf.codec.BytesCodec Maven / Gradle / Ivy
/**
* 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.fusesource.hawtbuf.codec;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
/**
* Implementation of a Marshaller for byte arrays
*
*/
public class BytesCodec implements Codec {
public static final BytesCodec INSTANCE = new BytesCodec();
public void encode(byte[] data, DataOutput dataOut) throws IOException {
dataOut.writeInt(data.length);
dataOut.write(data);
}
public byte[] decode(DataInput dataIn) throws IOException {
int size = dataIn.readInt();
byte[] data = new byte[size];
dataIn.readFully(data);
return data;
}
public int getFixedSize() {
return -1;
}
public byte[] deepCopy(byte[] source) {
byte []rc = new byte[source.length];
System.arraycopy(source, 0, rc, 0, source.length);
return rc;
}
public boolean isDeepCopySupported() {
return true;
}
public boolean isEstimatedSizeSupported() {
return true;
}
public int estimatedSize(byte[] object) {
return object.length+4;
}
}