/*
|
* CDDL HEADER START
|
*
|
* The contents of this file are subject to the terms of the
|
* Common Development and Distribution License, Version 1.0 only
|
* (the "License"). You may not use this file except in compliance
|
* with the License.
|
*
|
* You can obtain a copy of the license at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
|
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
|
* See the License for the specific language governing permissions
|
* and limitations under the License.
|
*
|
* When distributing Covered Code, include this CDDL HEADER in each
|
* file and include the License file at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
|
* add the following below this CDDL HEADER, with the fields enclosed
|
* by brackets "[]" replaced with your own identifying information:
|
* Portions Copyright [yyyy] [name of copyright owner]
|
*
|
* CDDL HEADER END
|
*
|
*
|
* Portions Copyright 2006-2007 Sun Microsystems, Inc.
|
*/
|
package org.opends.server.replication.protocol;
|
|
import java.io.Serializable;
|
import java.io.UnsupportedEncodingException;
|
import java.util.zip.DataFormatException;
|
|
/**
|
* This message is part of the replication protocol.
|
* This message is sent by a server to one or several other servers and
|
* contain one entry to be sent over the protocol in the context of
|
* an import/export over the protocol.
|
*/
|
public class EntryMessage extends RoutableMessage implements
|
Serializable
|
{
|
private static final long serialVersionUID = 6116955858351992926L;
|
|
// The byte array containing the bytes of the entry transported
|
private byte[] entryByteArray;
|
|
/**
|
* Creates a new EntryMessage.
|
*
|
* @param sender The sender of this message.
|
* @param destination The destination of this message.
|
* @param entryBytes The bytes of the entry.
|
*/
|
public EntryMessage(short sender, short destination, byte[] entryBytes)
|
{
|
super(sender, destination);
|
this.entryByteArray = entryBytes.clone();
|
}
|
|
/**
|
* Creates a new EntryMessage from its encoded form.
|
*
|
* @param in The byte array containing the encoded form of the message.
|
* @throws DataFormatException If the byte array does not contain a valid
|
* encoded form of the ServerStartMessage.
|
*/
|
public EntryMessage(byte[] in) throws DataFormatException
|
{
|
try
|
{
|
/* first byte is the type */
|
if (in[0] != MSG_TYPE_ENTRY)
|
throw new DataFormatException("input is not a valid ServerStart msg");
|
int pos = 1;
|
|
// sender
|
int length = getNextLength(in, pos);
|
String senderIDString = new String(in, pos, length, "UTF-8");
|
this.senderID = Short.valueOf(senderIDString);
|
pos += length +1;
|
|
// destination
|
length = getNextLength(in, pos);
|
String destinationString = new String(in, pos, length, "UTF-8");
|
this.destination = Short.valueOf(destinationString);
|
pos += length +1;
|
|
// entry
|
length = getNextLength(in, pos);
|
this.entryByteArray = new byte[length];
|
for (int i=0; i<length; i++)
|
{
|
entryByteArray[i] = in[pos+i];
|
}
|
}
|
catch (UnsupportedEncodingException e)
|
{
|
throw new DataFormatException("UTF-8 is not supported by this jvm.");
|
}
|
}
|
|
/**
|
* Returns the entry bytes.
|
* @return The entry bytes.
|
*/
|
public byte[] getEntryBytes()
|
{
|
return entryByteArray;
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public byte[] getBytes()
|
{
|
try {
|
byte[] senderBytes = String.valueOf(senderID).getBytes("UTF-8");
|
byte[] destinationBytes = String.valueOf(destination).getBytes("UTF-8");
|
byte[] entryBytes = entryByteArray;
|
|
int length = 1 + senderBytes.length +
|
1 + destinationBytes.length +
|
1 + entryBytes.length + 1;
|
|
byte[] resultByteArray = new byte[length];
|
|
/* put the type of the operation */
|
resultByteArray[0] = MSG_TYPE_ENTRY;
|
int pos = 1;
|
|
pos = addByteArray(senderBytes, resultByteArray, pos);
|
pos = addByteArray(destinationBytes, resultByteArray, pos);
|
pos = addByteArray(entryBytes, resultByteArray, pos);
|
return resultByteArray;
|
}
|
catch (UnsupportedEncodingException e)
|
{
|
return null;
|
}
|
}
|
}
|