/*
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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 2009 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.server;
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import java.io.UnsupportedEncodingException;
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import org.opends.messages.Message;
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import org.opends.server.replication.common.ChangeNumber;
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import com.sleepycat.je.DatabaseEntry;
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/**
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* SuperClass of DatabaseEntry used for data stored in the DraftCNDB.
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*/
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public class DraftCNData extends DatabaseEntry
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{
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private static final String FIELD_SEPARATOR = "!";
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String value;
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String serviceID;
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ChangeNumber changeNumber;
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/**
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* Creates a record to be stored in the DraftCNDB.
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* @param draftCN The DraftCN key.
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* @param value The value (cookie).
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* @param serviceID The serviceID (domain DN).
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* @param changeNumber The replication change number.
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*
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* @throws UnsupportedEncodingException When the encoding of the message
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* failed because the UTF-8 encoding is not supported.
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*/
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public DraftCNData(int draftCN, String value,
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String serviceID, ChangeNumber changeNumber)
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throws UnsupportedEncodingException
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{
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String record = value
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+ FIELD_SEPARATOR + serviceID
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+ FIELD_SEPARATOR + changeNumber;
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byte[] byteValue;
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try
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{
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byteValue = record.getBytes("UTF-8");
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this.setData(byteValue);
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}
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catch (UnsupportedEncodingException e)
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{
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// can't happen
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return;
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}
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}
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/**
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* Creates a record to be stored in the DraftCNDB from the provided byte[].
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* @param data the provided byte[].
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* @throws Exception a.
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*/
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public DraftCNData(byte[] data) throws Exception
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{
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decodeData(data);
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}
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/**
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* Decode a record into fields.
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* @param data the provided byte array.
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* @throws Exception when a problem occurs.
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*/
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public void decodeData(byte[] data)
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throws Exception
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{
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try
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{
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String stringData = new String(data, "UTF-8");
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String[] str = stringData.split(FIELD_SEPARATOR, 3);
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value = str[0];
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serviceID = str[1];
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changeNumber = new ChangeNumber(str[2]);
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}
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catch (UnsupportedEncodingException e)
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{
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// should never happens
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// TODO: i18n
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throw new ReplicationDBException(Message.raw("need UTF-8 support"));
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}
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}
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/**
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* Getter for the value.
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* @return the value.
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* @throws Exception when a problem occurs.
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*/
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public String getValue()
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throws Exception
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{
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if (value == null)
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this.decodeData(this.getData());
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return this.value;
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}
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/**
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* Getter for the service ID.
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* @return The serviceID..
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* @throws Exception when a problem occurs.
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*/
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public String getServiceID()
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throws Exception
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{
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if (value == null)
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this.decodeData(this.getData());
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return this.serviceID;
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}
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/**
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* Getter for the replication change number.
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* @return the replication change number.
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* @throws Exception when a problem occurs.
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*/
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public ChangeNumber getChangeNumber()
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throws Exception
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{
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if (value == null)
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this.decodeData(this.getData());
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return this.changeNumber;
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}
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/**
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* Provide a string representation of these data.
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* @return the string representation of these data.
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*/
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public String toString()
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{
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StringBuilder buffer = new StringBuilder();
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toString(buffer);
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return buffer.toString();
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}
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/**
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* Dump a string representation of these data into the provided buffer.
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* @param buffer the provided buffer.
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*/
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public void toString(StringBuilder buffer)
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{
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buffer.append("DraftCNData : [value=" + value);
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buffer.append("] [serviceID=" + serviceID);
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buffer.append("] [changeNumber=" + changeNumber + "]");
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}
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}
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