/*
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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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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.dsml.protocol;
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import java.io.IOException;
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import org.opends.server.protocols.asn1.ASN1Element;
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import org.opends.server.protocols.asn1.ASN1Exception;
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import org.opends.server.protocols.asn1.ASN1OctetString;
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import org.opends.server.protocols.asn1.ASN1Sequence;
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import org.opends.server.protocols.ldap.CompareRequestProtocolOp;
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import org.opends.server.protocols.ldap.CompareResponseProtocolOp;
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import org.opends.server.protocols.ldap.LDAPMessage;
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import org.opends.server.protocols.ldap.ProtocolOp;
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import org.opends.server.tools.LDAPConnection;
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import org.opends.server.types.LDAPException;
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/**
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* This class provides the functionality for the performing an
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* LDAP COMPARE operation based on the specified DSML request.
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*/
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public class DSMLCompareOperation
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{
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private LDAPConnection connection;
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/**
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* Create an instance with the specified LDAP connection.
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*
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* @param connection The LDAP connection to send the request on.
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*/
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public DSMLCompareOperation(LDAPConnection connection)
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{
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this.connection = connection;
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}
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/**
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* Perform the LDAP COMPARE operation and send the result back to the
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* client.
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*
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* @param objFactory The object factory for this operation.
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* @param compareRequest The compare request for this operation.
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*
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* @return The result of the compare operation.
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*
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* @throws IOException If an I/O problem occurs.
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*
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* @throws LDAPException If an error occurs while interacting with an LDAP
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* element.
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*
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* @throws ASN1Exception If an error occurs while interacting with an ASN.1
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* element.
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*/
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public LDAPResult doOperation(ObjectFactory objFactory,
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CompareRequest compareRequest)
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throws IOException, LDAPException, ASN1Exception
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{
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LDAPResult compareResponse = objFactory.createLDAPResult();
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String requestID = compareRequest.getRequestID();
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int reqID = 1;
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try
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{
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if(requestID != null)
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{
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reqID = Integer.parseInt(requestID);
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}
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} catch (NumberFormatException nfe)
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{
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throw new IOException(nfe.getMessage());
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}
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// Set the response id.
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if(requestID != null)
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{
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compareResponse.setRequestID(requestID);
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}
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// Read the attribute name and value for the compare request.
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AttributeValueAssertion attrValAssertion = compareRequest.getAssertion();
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String attrName = attrValAssertion.getName();
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ASN1OctetString attrValue =
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new ASN1OctetString(attrValAssertion.getValue());
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ASN1OctetString dnStr = new ASN1OctetString(compareRequest.getDn());
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// Create and send the LDAP compare request to the server.
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ProtocolOp op = new CompareRequestProtocolOp(dnStr, attrName, attrValue);
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LDAPMessage msg = new LDAPMessage(reqID, op);
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int numBytes = connection.getASN1Writer().writeElement(msg.encode());
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// Read and decode the LDAP response from the server.
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ASN1Element element = connection.getASN1Reader().readElement();
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LDAPMessage responseMessage =
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LDAPMessage.decode(ASN1Sequence.decodeAsSequence(element));
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CompareResponseProtocolOp compareOp =
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responseMessage.getCompareResponseProtocolOp();
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int resultCode = compareOp.getResultCode();
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String errorMessage = compareOp.getErrorMessage();
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// Set the response code and error message for the DSML response.
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compareResponse.setErrorMessage(errorMessage);
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ResultCode code = objFactory.createResultCode();
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code.setCode(resultCode);
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compareResponse.setResultCode(code);
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if(compareOp.getMatchedDN() != null)
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{
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compareResponse.setMatchedDN(compareOp.getMatchedDN().toString());
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}
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return compareResponse;
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}
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}
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