/*
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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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* Portions Copyright 2011 ForgeRock AS
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*/
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package org.opends.server.controls;
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import static org.opends.messages.ProtocolMessages.*;
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import static org.opends.server.protocols.asn1.ASN1Constants.*;
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import static org.opends.server.util.ServerConstants.*;
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import static org.opends.server.util.StaticUtils.getExceptionMessage;
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import java.io.IOException;
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import org.opends.messages.Message;
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import org.opends.server.protocols.asn1.ASN1;
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import org.opends.server.protocols.asn1.ASN1Reader;
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import org.opends.server.protocols.asn1.ASN1Writer;
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import org.opends.server.replication.common.MultiDomainServerState;
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import org.opends.server.types.ByteString;
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import org.opends.server.types.Control;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.ResultCode;
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/**
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* This class implements the control used to browse the external changelog.
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*/
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public class ExternalChangelogRequestControl
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extends Control
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{
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private MultiDomainServerState cookie;
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/**
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* ControlDecoder implementation to decode this control from a ByteString.
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*/
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private final static class Decoder
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implements ControlDecoder<ExternalChangelogRequestControl>
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{
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/**
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* {@inheritDoc}
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*/
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public ExternalChangelogRequestControl decode(boolean isCritical,
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ByteString value)
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throws DirectoryException
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{
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MultiDomainServerState mdss;
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if (value == null)
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{
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mdss = new MultiDomainServerState();
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} else {
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ASN1Reader reader = ASN1.getReader(value);
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String mdssValue = null;
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try
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{
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mdssValue = reader.readOctetStringAsString();
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mdss = new MultiDomainServerState(mdssValue);
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}
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catch (Exception e)
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{
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try
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{
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mdssValue = value.toString();
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mdss = new MultiDomainServerState(mdssValue);
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}
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catch (Exception e2)
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{
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Message message =
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ERR_CANNOT_DECODE_CONTROL_VALUE.get(
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getOID() + " x=" + value.toHex() + " v="
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+ mdssValue , getExceptionMessage(e).toString());
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throw new DirectoryException(ResultCode.PROTOCOL_ERROR, message, e);
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}
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}
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}
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return new ExternalChangelogRequestControl(isCritical, mdss);
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}
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public String getOID()
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{
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return OID_ECL_COOKIE_EXCHANGE_CONTROL;
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}
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}
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/**
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* The Control Decoder that can be used to decode this control.
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*/
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public static final ControlDecoder<ExternalChangelogRequestControl> DECODER =
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new Decoder();
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/**
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* Create a new external change log request control to contain the cookie.
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* @param isCritical Specifies whether the control is critical.
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* @param cookie Specifies the cookie value.
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*/
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public ExternalChangelogRequestControl(boolean isCritical,
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MultiDomainServerState cookie)
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{
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super(OID_ECL_COOKIE_EXCHANGE_CONTROL, isCritical);
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this.cookie = cookie;
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}
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/**
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* Returns the cookie value.
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* @return The cookie value.
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*/
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public MultiDomainServerState getCookie()
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{
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return this.cookie;
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}
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/**
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* Dump a string representation of this object to the provided bufer.
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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("ExternalChangelogRequestControl(cookie=");
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this.cookie.toString(buffer);
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buffer.append(")");
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}
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/**
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* Writes this control's value to an ASN.1 writer. The value
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* (if any) must be written as an ASN1OctetString.
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*
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* @param writer The ASN.1 writer to use.
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* @throws IOException If a problem occurs while writing to the
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* stream.
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*/
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protected void writeValue(ASN1Writer writer)
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throws IOException
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{
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writer.writeStartSequence(UNIVERSAL_OCTET_STRING_TYPE);
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writer.writeOctetString(this.cookie.toString());
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writer.writeEndSequence();
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}
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}
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