| /* |
| * 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.server.core.schema; |
| |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import javax.naming.NamingException; |
| |
| import org.apache.directory.server.core.schema.bootstrap.BootstrapDitStructureRuleRegistry; |
| import org.apache.directory.shared.ldap.schema.DITStructureRule; |
| import org.apache.directory.shared.ldap.util.JoinIterator; |
| |
| |
| /** |
| * A plain old java object implementation of an DITStructureRuleRegistry. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$ |
| */ |
| public class GlobalDitStructureRuleRegistry implements DITStructureRuleRegistry |
| { |
| /** maps an OID to an DITStructureRule */ |
| private final Map byOid; |
| /** maps an OID to a schema name*/ |
| private final Map oidToSchema; |
| /** the registry used to resolve names to OIDs */ |
| private final OidRegistry oidRegistry; |
| /** monitor notified via callback events */ |
| private DITStructureRuleRegistryMonitor monitor; |
| /** the underlying bootstrap registry to delegate on misses to */ |
| private BootstrapDitStructureRuleRegistry bootstrap; |
| |
| |
| // ------------------------------------------------------------------------ |
| // C O N S T R U C T O R S |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Creates an empty BootstrapDitStructureRuleRegistry. |
| */ |
| public GlobalDitStructureRuleRegistry(BootstrapDitStructureRuleRegistry bootstrap, OidRegistry oidRegistry) |
| { |
| this.byOid = new HashMap(); |
| this.oidToSchema = new HashMap(); |
| this.oidRegistry = oidRegistry; |
| this.monitor = new DITStructureRuleRegistryMonitorAdapter(); |
| |
| this.bootstrap = bootstrap; |
| if ( this.bootstrap == null ) |
| { |
| throw new NullPointerException( "the bootstrap registry cannot be null" ); |
| } |
| } |
| |
| |
| /** |
| * Sets the monitor that is to be notified via callback events. |
| * |
| * @param monitor the new monitor to notify of notable events |
| */ |
| public void setMonitor( DITStructureRuleRegistryMonitor monitor ) |
| { |
| this.monitor = monitor; |
| } |
| |
| |
| // ------------------------------------------------------------------------ |
| // Service Methods |
| // ------------------------------------------------------------------------ |
| |
| public void register( String schema, DITStructureRule dITStructureRule ) throws NamingException |
| { |
| if ( byOid.containsKey( dITStructureRule.getOid() ) |
| || bootstrap.hasDITStructureRule( dITStructureRule.getOid() ) ) |
| { |
| NamingException e = new NamingException( "dITStructureRule w/ OID " + dITStructureRule.getOid() |
| + " has already been registered!" ); |
| monitor.registerFailed( dITStructureRule, e ); |
| throw e; |
| } |
| |
| oidRegistry.register( dITStructureRule.getName(), dITStructureRule.getOid() ); |
| byOid.put( dITStructureRule.getOid(), dITStructureRule ); |
| oidToSchema.put( dITStructureRule.getOid(), schema ); |
| monitor.registered( dITStructureRule ); |
| } |
| |
| |
| public DITStructureRule lookup( String id ) throws NamingException |
| { |
| id = oidRegistry.getOid( id ); |
| |
| if ( byOid.containsKey( id ) ) |
| { |
| DITStructureRule dITStructureRule = ( DITStructureRule ) byOid.get( id ); |
| monitor.lookedUp( dITStructureRule ); |
| return dITStructureRule; |
| } |
| |
| if ( bootstrap.hasDITStructureRule( id ) ) |
| { |
| DITStructureRule dITStructureRule = bootstrap.lookup( id ); |
| monitor.lookedUp( dITStructureRule ); |
| return dITStructureRule; |
| } |
| |
| NamingException e = new NamingException( "dITStructureRule w/ OID " + id + " not registered!" ); |
| monitor.lookupFailed( id, e ); |
| throw e; |
| } |
| |
| |
| public boolean hasDITStructureRule( String id ) |
| { |
| if ( oidRegistry.hasOid( id ) ) |
| { |
| try |
| { |
| return byOid.containsKey( oidRegistry.getOid( id ) ) || bootstrap.hasDITStructureRule( id ); |
| } |
| catch ( NamingException e ) |
| { |
| return false; |
| } |
| } |
| |
| return false; |
| } |
| |
| |
| public String getSchemaName( String id ) throws NamingException |
| { |
| id = oidRegistry.getOid( id ); |
| |
| if ( oidToSchema.containsKey( id ) ) |
| { |
| return ( String ) oidToSchema.get( id ); |
| } |
| |
| if ( bootstrap.hasDITStructureRule( id ) ) |
| { |
| return bootstrap.getSchemaName( id ); |
| } |
| |
| throw new NamingException( "OID " + id + " not found in oid to " + "schema name map!" ); |
| } |
| |
| |
| public Iterator list() |
| { |
| return new JoinIterator( new Iterator[] |
| { byOid.values().iterator(), bootstrap.list() } ); |
| } |
| } |