/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2014-2016 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.forgerock.opendj.io.*;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import static org.opends.server.protocols.ldap.LDAPConstants.*;
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import static org.opends.server.util.ServerConstants.*;
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/**
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* This class defines the structures and methods for an LDAP compare request
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* protocol op, which is used to determine whether a particular entry contains
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* a specified attribute value.
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*/
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public class CompareRequestProtocolOp
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extends ProtocolOp
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/** The assertion value for this compare request. */
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private ByteString assertionValue;
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/** The DN for this compare request. */
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private ByteString dn;
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/** The attribute type for this compare request. */
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private String attributeType;
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/**
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* Creates a new compare request protocol op with the provided information.
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*
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* @param dn The DN for this compare request.
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* @param attributeType The attribute type for this compare request.
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* @param assertionValue The assertion value for this compare request.
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*/
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public CompareRequestProtocolOp(ByteString dn, String attributeType,
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ByteString assertionValue)
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{
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this.dn = dn;
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this.attributeType = attributeType;
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this.assertionValue = assertionValue;
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}
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/**
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* Retrieves the DN for this compare request.
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*
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* @return The DN for this compare request.
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*/
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public ByteString getDN()
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{
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return dn;
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}
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/**
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* Retrieves the attribute type for this compare request.
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*
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* @return The attribute type for this compare request.
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*/
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public String getAttributeType()
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{
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return attributeType;
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}
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/**
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* Retrieves the assertion value for this compare request.
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*
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* @return The assertion value for this compare request.
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*/
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public ByteString getAssertionValue()
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{
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return assertionValue;
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}
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/**
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* Retrieves the BER type for this protocol op.
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*
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* @return The BER type for this protocol op.
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*/
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@Override
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public byte getType()
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{
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return OP_TYPE_COMPARE_REQUEST;
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}
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/**
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* Retrieves the name for this protocol op type.
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*
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* @return The name for this protocol op type.
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*/
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@Override
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public String getProtocolOpName()
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{
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return "Compare Request";
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}
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/**
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* Writes this protocol op to an ASN.1 output stream.
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*
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* @param stream The ASN.1 output stream to write to.
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* @throws IOException If a problem occurs while writing to the stream.
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*/
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@Override
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public void write(ASN1Writer stream) throws IOException
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{
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stream.writeStartSequence(OP_TYPE_COMPARE_REQUEST);
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stream.writeOctetString(dn);
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stream.writeStartSequence();
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stream.writeOctetString(attributeType);
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stream.writeOctetString(assertionValue);
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stream.writeEndSequence();
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stream.writeEndSequence();
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}
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/**
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* Appends a string representation of this LDAP protocol op to the provided
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* buffer.
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*
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* @param buffer The buffer to which the string should be appended.
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*/
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@Override
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public void toString(StringBuilder buffer)
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{
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buffer.append("CompareRequest(dn=");
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buffer.append(dn);
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buffer.append(", attribute=");
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buffer.append(attributeType);
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buffer.append(", value=");
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buffer.append(assertionValue);
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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 protocol op 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 from the margin that the lines should
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* be indented.
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*/
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@Override
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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("Compare Request");
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buffer.append(EOL);
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buffer.append(indentBuf);
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buffer.append(" Target DN: ");
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buffer.append(dn);
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buffer.append(EOL);
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buffer.append(indentBuf);
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buffer.append(" Attribute Type: ");
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buffer.append(attributeType);
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buffer.append(EOL);
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buffer.append(indentBuf);
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buffer.append(" Assertion Value:");
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buffer.append(EOL);
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buffer.append(assertionValue.toHexPlusAsciiString(indent+4));
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}
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}
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