| /* |
| * 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.codec.actions.searchRequest.filter; |
| |
| |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarAction; |
| import org.apache.directory.api.asn1.ber.tlv.TLV; |
| import org.apache.directory.api.ldap.codec.AttributeValueAssertion; |
| import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; |
| import org.apache.directory.api.ldap.codec.decorators.SearchRequestDecorator; |
| import org.apache.directory.api.ldap.codec.search.AttributeValueAssertionFilter; |
| import org.apache.directory.api.ldap.model.entry.BinaryValue; |
| import org.apache.directory.api.ldap.model.entry.StringValue; |
| import org.apache.directory.api.ldap.model.entry.Value; |
| import org.apache.directory.api.util.StringConstants; |
| import org.apache.directory.api.util.Strings; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * The action used to initialize the Assertion Value filter |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class InitAssertionValueFilter extends GrammarAction<LdapMessageContainer<SearchRequestDecorator>> |
| { |
| /** The logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( InitAssertionValueFilter.class ); |
| |
| /** Speedup for logs */ |
| private static final boolean IS_DEBUG = LOG.isDebugEnabled(); |
| |
| |
| /** |
| * Instantiates a new init assertion value filter action. |
| */ |
| public InitAssertionValueFilter() |
| { |
| super( "Initialize Assertion Value filter" ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException |
| { |
| SearchRequestDecorator searchRequestDecorator = container.getMessage(); |
| |
| TLV tlv = container.getCurrentTLV(); |
| |
| // The value can be null. |
| Value<?> assertionValue = null; |
| |
| if ( tlv.getLength() != 0 ) |
| { |
| assertionValue = new BinaryValue( tlv.getValue().getData() ); |
| } |
| else |
| { |
| assertionValue = new BinaryValue( StringConstants.EMPTY_BYTES ); |
| } |
| |
| AttributeValueAssertionFilter terminalFilter = ( AttributeValueAssertionFilter ) |
| searchRequestDecorator.getTerminalFilter(); |
| AttributeValueAssertion assertion = terminalFilter.getAssertion(); |
| |
| if ( container.isBinary( assertion.getAttributeDesc() ) ) |
| { |
| if ( tlv.getLength() != 0 ) |
| { |
| assertionValue = new BinaryValue( tlv.getValue().getData() ); |
| } |
| else |
| { |
| assertionValue = new BinaryValue( StringConstants.EMPTY_BYTES ); |
| } |
| |
| assertion.setAssertionValue( assertionValue ); |
| } |
| else |
| { |
| if ( tlv.getLength() != 0 ) |
| { |
| assertionValue = new StringValue( Strings.utf8ToString( tlv.getValue().getData() ) ); |
| } |
| else |
| { |
| assertionValue = new StringValue( "" ); |
| } |
| |
| assertion.setAssertionValue( assertionValue ); |
| } |
| |
| // We now have to get back to the nearest filter which is |
| // not terminal. |
| searchRequestDecorator.unstackFilters( container ); |
| |
| if ( IS_DEBUG ) |
| { |
| LOG.debug( "Initialize Assertion Value filter" ); |
| } |
| } |
| } |