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 021package org.apache.directory.server.dns.store.jndi; 022 023 024import java.util.Set; 025 026import javax.naming.directory.DirContext; 027import javax.naming.ldap.LdapName; 028 029import org.apache.directory.server.core.api.CoreSession; 030import org.apache.directory.server.core.api.DirectoryService; 031import org.apache.directory.server.core.jndi.ServerLdapContext; 032import org.apache.directory.server.dns.DnsException; 033import org.apache.directory.server.dns.messages.QuestionRecord; 034import org.apache.directory.server.dns.messages.ResourceRecord; 035import org.apache.directory.server.dns.messages.ResponseCode; 036import org.apache.directory.server.dns.store.jndi.operations.GetRecords; 037import org.apache.directory.server.i18n.I18n; 038import org.apache.directory.server.protocol.shared.ServiceConfigurationException; 039import org.slf4j.Logger; 040import org.slf4j.LoggerFactory; 041 042 043/** 044 * A JNDI-backed search strategy implementation. This search strategy searches a 045 * single base Dn for resource records. 046 * 047 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 048 */ 049public class SingleBaseSearch implements SearchStrategy 050{ 051 /** 052 * the LOG for this class 053 */ 054 private static final Logger LOG = LoggerFactory.getLogger( SingleBaseSearch.class ); 055 056 private final DirContext ctx; 057 058 059 SingleBaseSearch( String searchBaseDn, DirectoryService directoryService ) 060 { 061 try 062 { 063 CoreSession session = directoryService.getSession(); 064 ctx = new ServerLdapContext( directoryService, session, new LdapName( searchBaseDn ) ); 065 } 066 catch ( Exception e ) 067 { 068 throw new ServiceConfigurationException( I18n.err( I18n.ERR_649, searchBaseDn ), e ); 069 } 070 071 } 072 073 074 public Set<ResourceRecord> getRecords( QuestionRecord question ) throws DnsException 075 { 076 try 077 { 078 079 return new GetRecords( question ).execute( ctx, null ); 080 } 081 catch ( Exception e ) 082 { 083 LOG.debug( "Unexpected error retrieving DNS records.", e ); 084 throw new DnsException( ResponseCode.SERVER_FAILURE ); 085 } 086 } 087 088}