/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2014 ForgeRock AS
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*/
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package org.opends.server.protocols.ldap;
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import java.io.IOException;
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import org.opends.server.protocols.asn1.*;
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import org.opends.server.types.Control;
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import org.forgerock.opendj.ldap.ByteString;
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import static org.opends.server.util.ServerConstants.*;
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/**
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* This class defines the data structures and methods to use when interacting
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* with a generic LDAP control.
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*/
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public class LDAPControl extends Control
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{
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// The control value.
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private ByteString value;
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/**
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* Creates a new LDAP control with the specified OID. It will not be
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* critical, and will not have a value.
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*
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* @param oid The OID for this LDAP control.
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*/
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public LDAPControl(String oid)
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{
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super(oid, false);
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}
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/**
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* Creates a new LDAP control with the specified OID and criticality. It will
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* not have a value.
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*
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* @param oid The OID for this LDAP control.
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* @param isCritical Indicates whether this control should be considered
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* critical.
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*/
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public LDAPControl(String oid, boolean isCritical)
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{
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super(oid, isCritical);
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}
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/**
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* Creates a new LDAP control with the specified OID, criticality, and value.
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*
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* @param oid The OID for this LDAP control.
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* @param isCritical Indicates whether this control should be considered
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* critical.
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* @param value The value for this LDAP control.
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*/
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public LDAPControl(String oid, boolean isCritical, ByteString value)
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{
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super(oid, isCritical);
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this.value = value;
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}
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/**
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* Retrieves the value for this control.
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*
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* @return The value for this control, or <CODE>null</CODE> if
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* there is no value.
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*/
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public final ByteString getValue()
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{
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return value;
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}
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/**
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* Indicates whether this control has a value.
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*
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* @return <CODE>true</CODE> if this control has a value, or
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* <CODE>false</CODE> if it does not.
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*/
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public final boolean hasValue()
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{
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return (value != null);
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}
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/**
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* {@inheritDoc}
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*/
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public void writeValue(ASN1Writer stream) throws IOException
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{
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if (value != null)
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{
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stream.writeOctetString(value);
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}
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}
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/**
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* Appends a string representation of this LDAP control to the provided
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* buffer.
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*
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* @param buffer The buffer to which the information should be appended.
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*/
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public void toString(StringBuilder buffer)
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{
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buffer.append("LDAPControl(oid=");
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buffer.append(getOID());
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buffer.append(", criticality=");
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buffer.append(isCritical());
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if (value != null)
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{
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buffer.append(", value=");
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buffer.append(value.toHexPlusAsciiString(4));
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}
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buffer.append(")");
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}
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/**
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* Appends a multi-line string representation of this LDAP control to the
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* provided buffer.
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*
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* @param buffer The buffer to which the information should be appended.
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* @param indent The number of spaces to indent the information.
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*/
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public void toString(StringBuilder buffer, int indent)
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{
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StringBuilder indentBuf = new StringBuilder(indent);
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for (int i=0 ; i < indent; i++)
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{
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indentBuf.append(' ');
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}
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buffer.append(indentBuf);
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buffer.append("LDAP Control");
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buffer.append(EOL);
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buffer.append(indentBuf);
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buffer.append(" OID: ");
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buffer.append(getOID());
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buffer.append(EOL);
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buffer.append(indentBuf);
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buffer.append(" Criticality: ");
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buffer.append(isCritical());
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buffer.append(EOL);
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if (value != null)
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{
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buffer.append(indentBuf);
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buffer.append(" Value:");
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buffer.append(value.toHexPlusAsciiString(indent+4));
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}
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}
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}
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