/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.api.ldap.extras.extended.ads_impl.whoAmI;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.ByteBuffer;
import org.apache.directory.api.asn1.DecoderException;
import org.apache.directory.api.asn1.ber.Asn1Decoder;
import org.apache.directory.api.ldap.codec.api.ExtendedOperationFactory;
import org.apache.directory.api.ldap.codec.api.ExtendedResponseDecorator;
import org.apache.directory.api.ldap.codec.api.LdapApiService;
import org.apache.directory.api.ldap.extras.extended.whoAmI.WhoAmIRequest;
import org.apache.directory.api.ldap.extras.extended.whoAmI.WhoAmIRequestImpl;
import org.apache.directory.api.ldap.extras.extended.whoAmI.WhoAmIResponse;
import org.apache.directory.api.ldap.extras.extended.whoAmI.WhoAmIResponseImpl;
import org.apache.directory.api.ldap.model.message.ExtendedRequest;
import org.apache.directory.api.ldap.model.message.ExtendedResponse;
import org.apache.directory.api.ldap.model.message.ResultCodeEnum;
/**
* An {@link ExtendedOperationFactory} for creating WhoAmI extended request response
* pairs.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class WhoAmIFactory implements ExtendedOperationFactory
{
private LdapApiService codec;
public WhoAmIFactory( LdapApiService codec )
{
this.codec = codec;
}
/**
* {@inheritDoc}
*/
public String getOid()
{
return WhoAmIRequest.EXTENSION_OID;
}
/**
* {@inheritDoc}
*/
public WhoAmIResponse newResponse( byte[] encodedValue ) throws DecoderException
{
WhoAmIResponseDecorator response = new WhoAmIResponseDecorator( codec,
new WhoAmIResponseImpl() );
response.setResponseValue( encodedValue );
return response;
}
/**
* {@inheritDoc}
*/
public WhoAmIRequest newRequest( byte[] value )
{
WhoAmIRequestDecorator req = new WhoAmIRequestDecorator( codec, new WhoAmIRequestImpl() );
if ( value != null )
{
req.setRequestValue( value );
}
return req;
}
/**
* {@inheritDoc}
*/
public WhoAmIRequestDecorator decorate( ExtendedRequest modelRequest )
{
if ( modelRequest instanceof WhoAmIRequestDecorator )
{
return ( WhoAmIRequestDecorator ) modelRequest;
}
return new WhoAmIRequestDecorator( codec, ( WhoAmIRequest ) modelRequest );
}
/**
* {@inheritDoc}
*/
public WhoAmIResponseDecorator decorate( ExtendedResponse decoratedResponse )
{
if ( decoratedResponse instanceof WhoAmIResponseDecorator )
{
return ( WhoAmIResponseDecorator ) decoratedResponse;
}
if ( decoratedResponse instanceof WhoAmIResponse )
{
return new WhoAmIResponseDecorator( codec, ( WhoAmIResponse ) decoratedResponse );
}
// It's an opaque extended operation
@SuppressWarnings("unchecked")
ExtendedResponseDecorator<ExtendedResponse> response = ( ExtendedResponseDecorator<ExtendedResponse> ) decoratedResponse;
// Decode the response, as it's an opaque operation
Asn1Decoder decoder = new Asn1Decoder();
byte[] value = response.getResponseValue();
ByteBuffer buffer = ByteBuffer.wrap( value );
WhoAmIResponseContainer container = new WhoAmIResponseContainer();
WhoAmIResponse whoAmIResponse = null;
try
{
decoder.decode( buffer, container );
whoAmIResponse = container.getWhoAmIResponse();
// Now, update the created response with what we got from the extendedResponse
whoAmIResponse.getLdapResult().setResultCode( response.getLdapResult().getResultCode() );
whoAmIResponse.getLdapResult().setDiagnosticMessage( response.getLdapResult().getDiagnosticMessage() );
whoAmIResponse.getLdapResult().setMatchedDn( response.getLdapResult().getMatchedDn() );
whoAmIResponse.getLdapResult().setReferral( response.getLdapResult().getReferral() );
}
catch ( DecoderException de )
{
StringWriter sw = new StringWriter();
de.printStackTrace( new PrintWriter( sw ) );
String stackTrace = sw.toString();
// Error while decoding the value.
whoAmIResponse = new WhoAmIResponseImpl(
decoratedResponse.getMessageId(),
ResultCodeEnum.OPERATIONS_ERROR,
stackTrace );
}
WhoAmIResponseDecorator decorated = new WhoAmIResponseDecorator( codec, whoAmIResponse );
return decorated;
}
}