content: /**
   * 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.activemq.store.kahadb.disk.util;
  
  import java.io.DataInput;
  import java.io.DataOutput;
  import java.io.IOException;
  
  /**
   * Implementation of a Marshaller for byte arrays
   * 
   * 
   */
  public class BytesMarshaller implements Marshaller<byte[]> {
  
      public void writePayload(byte[] data, DataOutput dataOut) throws IOException {
          dataOut.writeInt(data.length);
          dataOut.write(data);
      }
  
      public byte[] readPayload(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;
      }
  }
  