01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18: package org.apache.lenya.cms.repository;
19:
20: import java.util.Map;
21: import java.util.WeakHashMap;
22:
23: import org.apache.avalon.framework.service.ServiceManager;
24: import org.apache.lenya.cms.rc.RCML;
25:
26: /**
27: * Factory for source node RCML objects.
28: */
29: public class SourceNodeRcmlFactory {
30:
31: private static SourceNodeRcmlFactory instance = new SourceNodeRcmlFactory();
32:
33: /**
34: * @return The singleton instance.
35: */
36: public static SourceNodeRcmlFactory getInstance() {
37: return instance;
38: }
39:
40: private Map uri2rcml = new WeakHashMap();
41:
42: private SourceNodeRcmlFactory() {
43: }
44:
45: /**
46: * @param node The node.
47: * @param manager The service manager.
48: * @return An RCML object.
49: */
50: public synchronized RCML getRcml(SourceNode node,
51: ServiceManager manager) {
52: String uri = node.getSourceURI();
53: RCML rcml = (RCML) this .uri2rcml.get(uri);
54: if (rcml == null) {
55: rcml = new SourceNodeRCML(node.getContentSource()
56: .getRealSourceUri(), node.getMetaSource()
57: .getRealSourceUri(), manager);
58: this.uri2rcml.put(uri, rcml);
59: }
60: return rcml;
61: }
62: }
|