/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2009 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.protocol;
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import static org.opends.server.replication.protocol.OperationContext.*;
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import java.io.UnsupportedEncodingException;
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import java.util.zip.DataFormatException;
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import org.opends.server.core.DeleteOperationBasis;
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import org.opends.server.protocols.internal.InternalClientConnection;
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import org.opends.server.replication.common.ChangeNumber;
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import org.opends.server.types.AbstractOperation;
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import org.opends.server.types.ByteString;
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import org.opends.server.types.operation.PostOperationDeleteOperation;
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/**
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* Object used when sending delete information to replication servers.
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*/
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public class DeleteMsg extends LDAPUpdateMsg
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{
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/**
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* Creates a new delete message.
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*
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* @param operation the Operation from which the message must be created.
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*/
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public DeleteMsg(PostOperationDeleteOperation operation)
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{
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super((OperationContext) operation.getAttachment(SYNCHROCONTEXT),
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operation.getRawEntryDN().toString());
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}
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/**
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* Creates a new delete message.
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*
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* @param dn The dn with which the message must be created.
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* @param changeNumber The change number with which the message must be
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* created.
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* @param uid The unique id with which the message must be created.
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*/
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public DeleteMsg(String dn, ChangeNumber changeNumber, String uid)
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{
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super(new DeleteContext(changeNumber, uid), dn);
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}
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/**
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* Creates a new Add message from a byte[].
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*
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* @param in The byte[] from which the operation must be read.
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* @throws DataFormatException The input byte[] is not a valid DeleteMsg
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* @throws UnsupportedEncodingException If UTF8 is not supported by the jvm
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*/
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public DeleteMsg(byte[] in) throws DataFormatException,
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UnsupportedEncodingException
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{
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byte[] allowedPduTypes = new byte[2];
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allowedPduTypes[0] = MSG_TYPE_DELETE;
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allowedPduTypes[1] = MSG_TYPE_DELETE_V1;
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int pos = decodeHeader(allowedPduTypes, in);
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// protocol version has been read as part of the header
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if (protocolVersion >= 4)
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decodeBody_V4(in, pos);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public AbstractOperation createOperation(
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InternalClientConnection connection, String newDn)
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{
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DeleteOperationBasis del = new DeleteOperationBasis(connection,
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InternalClientConnection.nextOperationID(),
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InternalClientConnection.nextMessageID(), null,
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ByteString.valueOf(newDn));
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DeleteContext ctx = new DeleteContext(getChangeNumber(), getUniqueId());
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del.setAttachment(SYNCHROCONTEXT, ctx);
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return del;
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}
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// ============
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// Msg encoding
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// ============
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/**
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* {@inheritDoc}
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*/
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public byte[] getBytes_V1() throws UnsupportedEncodingException
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{
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return encodeHeader_V1(MSG_TYPE_DELETE_V1, 0);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public byte[] getBytes_V23() throws UnsupportedEncodingException
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{
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return encodeHeader(MSG_TYPE_DELETE, 0);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public byte[] getBytes_V4() throws UnsupportedEncodingException
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{
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// Put together the different encoded pieces
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int bodyLength = 0;
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byte[] byteEntryAttrLen =
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String.valueOf(encodedEclIncludes.length).getBytes("UTF-8");
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bodyLength += byteEntryAttrLen.length + 1;
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bodyLength += encodedEclIncludes.length + 1;
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/* encode the header in a byte[] large enough to also contain the mods */
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byte [] encodedMsg = encodeHeader(MSG_TYPE_DELETE, bodyLength);
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int pos = encodedMsg.length - bodyLength;
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pos = addByteArray(byteEntryAttrLen, encodedMsg, pos);
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pos = addByteArray(encodedEclIncludes, encodedMsg, pos);
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return encodedMsg;
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}
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// ============
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// Msg decoding
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// ============
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private void decodeBody_V4(byte[] in, int pos)
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throws DataFormatException, UnsupportedEncodingException
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{
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// Read ecl attr len
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int length = getNextLength(in, pos);
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int eclAttrLen = Integer.valueOf(new String(in, pos, length,"UTF-8"));
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pos += length + 1;
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// Read/Don't decode entry attributes
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encodedEclIncludes = new byte[eclAttrLen];
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try
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{
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System.arraycopy(in, pos, encodedEclIncludes, 0, eclAttrLen);
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} catch (IndexOutOfBoundsException e)
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{
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throw new DataFormatException(e.getMessage());
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} catch (ArrayStoreException e)
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{
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throw new DataFormatException(e.getMessage());
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} catch (NullPointerException e)
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{
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throw new DataFormatException(e.getMessage());
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public String toString()
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{
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if (protocolVersion == ProtocolVersion.REPLICATION_PROTOCOL_V1)
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{
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return "DeleteMsg content: " +
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" protocolVersion: " + protocolVersion +
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" dn: " + dn +
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" changeNumber: " + changeNumber +
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" uniqueId: " + uniqueId +
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" assuredFlag: " + assuredFlag;
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}
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if (protocolVersion >= ProtocolVersion.REPLICATION_PROTOCOL_V2)
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{
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return "DeleteMsg content: " +
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" protocolVersion: " + protocolVersion +
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" dn: " + dn +
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" changeNumber: " + changeNumber +
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" uniqueId: " + uniqueId +
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" assuredFlag: " + assuredFlag +
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" assuredMode: " + assuredMode +
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" safeDataLevel: " + safeDataLevel;
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}
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return "!!! Unknown version: " + protocolVersion + "!!!";
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public int size()
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{
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return encodedEclIncludes.length + headerSize();
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}
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}
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