| /* |
| * 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 |
| * |
| * https://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.request.search; |
| |
| |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarAction; |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.ber.tlv.IntegerDecoder; |
| import org.apache.directory.api.asn1.ber.tlv.IntegerDecoderException; |
| import org.apache.directory.api.asn1.ber.tlv.TLV; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.LdapCodecConstants; |
| import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; |
| import org.apache.directory.api.ldap.model.message.AliasDerefMode; |
| import org.apache.directory.api.ldap.model.message.SearchRequest; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * The action used to store the SearchRequest derefAlias flag |
| * <pre> |
| * SearchRequest ::= [APPLICATION 3] SEQUENCE { |
| * ... |
| * derefAliases ENUMERATED { |
| * neverDerefAliases (0), |
| * derefInSearching (1), |
| * derefFindingBaseObj (2), |
| * derefAlways (3) }, |
| * ... |
| * </pre> |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class StoreSearchRequestDerefAlias extends GrammarAction<LdapMessageContainer<SearchRequest>> |
| { |
| /** The logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( StoreSearchRequestDerefAlias.class ); |
| |
| /** |
| * Instantiates a new action. |
| */ |
| public StoreSearchRequestDerefAlias() |
| { |
| super( "Store SearchRequest derefAlias flag" ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void action( LdapMessageContainer<SearchRequest> container ) throws DecoderException |
| { |
| SearchRequest searchRequest = container.getMessage(); |
| |
| TLV tlv = container.getCurrentTLV(); |
| |
| // We have to check that this is a correct derefAliases |
| BerValue value = tlv.getValue(); |
| |
| try |
| { |
| int derefAliases = IntegerDecoder.parse( value, LdapCodecConstants.NEVER_DEREF_ALIASES, |
| LdapCodecConstants.DEREF_ALWAYS ); |
| searchRequest.setDerefAliases( AliasDerefMode.getDerefMode( derefAliases ) ); |
| } |
| catch ( IntegerDecoderException ide ) |
| { |
| String msg = I18n.err( I18n.ERR_05150_BAD_DEREF_ALIAS, value.toString() ); |
| LOG.error( msg ); |
| throw new DecoderException( msg, ide ); |
| } |
| |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| switch ( searchRequest.getDerefAliases() ) |
| { |
| case NEVER_DEREF_ALIASES: |
| LOG.debug( I18n.msg( I18n.MSG_05161_HANDLING_OBJECT_STRATEGY, "NEVER_DEREF_ALIASES" ) ); |
| break; |
| |
| case DEREF_IN_SEARCHING: |
| LOG.debug( I18n.msg( I18n.MSG_05161_HANDLING_OBJECT_STRATEGY, "DEREF_IN_SEARCHING" ) ); |
| break; |
| |
| case DEREF_FINDING_BASE_OBJ: |
| LOG.debug( I18n.msg( I18n.MSG_05161_HANDLING_OBJECT_STRATEGY, "DEREF_FINDING_BASE_OBJ" ) ); |
| break; |
| |
| case DEREF_ALWAYS: |
| LOG.debug( I18n.msg( I18n.MSG_05161_HANDLING_OBJECT_STRATEGY, "DEREF_ALWAYS" ) ); |
| break; |
| |
| default: |
| LOG.debug( I18n.msg( I18n.MSG_05161_HANDLING_OBJECT_STRATEGY, "UNKNOWN" ) ); |
| } |
| } |
| } |
| } |