001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020 package org.apache.directory.server.dns.store.jndi; 021 022 023 import java.util.Map; 024 import java.util.Set; 025 026 import javax.naming.NamingException; 027 import javax.naming.directory.DirContext; 028 import javax.naming.ldap.LdapName; 029 030 import org.apache.directory.server.core.CoreSession; 031 import org.apache.directory.server.core.DirectoryService; 032 import org.apache.directory.server.core.jndi.ServerLdapContext; 033 import org.apache.directory.server.dns.DnsException; 034 import org.apache.directory.server.dns.messages.QuestionRecord; 035 import org.apache.directory.server.dns.messages.ResourceRecord; 036 import org.apache.directory.server.dns.messages.ResponseCode; 037 import org.apache.directory.server.dns.store.jndi.operations.GetRecords; 038 import org.apache.directory.server.i18n.I18n; 039 import org.apache.directory.server.protocol.shared.ServiceConfigurationException; 040 import org.apache.directory.server.protocol.shared.catalog.Catalog; 041 import org.apache.directory.server.protocol.shared.catalog.GetCatalog; 042 import org.apache.directory.shared.ldap.exception.LdapNoSuchObjectException; 043 import org.slf4j.Logger; 044 import org.slf4j.LoggerFactory; 045 046 047 /** 048 * A JNDI-backed search strategy implementation. This search strategy builds a catalog 049 * from directory configuration to determine where zones are to search for 050 * resource records. 051 * 052 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 053 * @version $Rev: 925887 $, $Date: 2010-03-21 21:36:55 +0100 (Sun, 21 Mar 2010) $ 054 */ 055 public class MultiBaseSearch implements SearchStrategy 056 { 057 /** the LOG for this class */ 058 private static final Logger LOG = LoggerFactory.getLogger( MultiBaseSearch.class ); 059 060 private final Catalog catalog; 061 private final DirectoryService directoryService; 062 063 064 MultiBaseSearch( String catalogBaseDn, DirectoryService directoryService ) 065 { 066 this.directoryService = directoryService; 067 try 068 { 069 CoreSession session = directoryService.getSession(); 070 catalog = new DnsCatalog( ( Map<String, Object> ) new GetCatalog().execute( session, null ) ); 071 } 072 catch ( Exception e ) 073 { 074 LOG.error( e.getLocalizedMessage(), e ); 075 String message = I18n.err( I18n.ERR_156, catalogBaseDn ); 076 throw new ServiceConfigurationException( message, e ); 077 } 078 } 079 080 081 public Set<ResourceRecord> getRecords( QuestionRecord question ) throws DnsException 082 { 083 try 084 { 085 GetRecords getRecords = new GetRecords( question ); 086 String baseDn = catalog.getBaseDn( question.getDomainName() ); 087 CoreSession session = directoryService.getSession(); 088 DirContext dirContext = new ServerLdapContext( directoryService, session, new LdapName( baseDn ) ); 089 return getRecords.execute( dirContext, null ); 090 } 091 catch ( LdapNoSuchObjectException lnnfe ) 092 { 093 LOG.debug( "Name for DNS record search does not exist.", lnnfe ); 094 095 throw new DnsException( ResponseCode.NAME_ERROR ); 096 } 097 catch ( NamingException ne ) 098 { 099 LOG.error( ne.getLocalizedMessage(), ne ); 100 String message = I18n.err( I18n.ERR_157, question.getDomainName() ); 101 throw new ServiceConfigurationException( message, ne ); 102 } 103 catch ( Exception e ) 104 { 105 LOG.debug( "Unexpected error retrieving DNS records.", e ); 106 throw new DnsException( ResponseCode.SERVER_FAILURE ); 107 } 108 109 } 110 }