1 /**
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one or more
4 * contributor license agreements. See the NOTICE file distributed with
5 * this work for additional information regarding copyright ownership.
6 * The ASF licenses this file to You under the Apache License, Version 2.0
7 * (the "License"); you may not use this file except in compliance with
8 * the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.apache.geronimo.deployment;
20
21 import java.util.Set;
22 import java.util.HashSet;
23 import java.util.Iterator;
24 import java.util.Collection;
25 import java.util.List;
26 import java.util.Collections;
27
28 import org.apache.geronimo.gbean.ReferenceCollection;
29 import org.apache.geronimo.gbean.ReferenceCollectionListener;
30 import org.apache.geronimo.gbean.ReferenceCollectionEvent;
31 import org.apache.geronimo.common.DeploymentException;
32 import org.apache.geronimo.kernel.repository.Environment;
33 import org.apache.xmlbeans.XmlObject;
34
35 /**
36 * @version $Rev: 470597 $ $Date: 2006-11-02 15:30:55 -0800 (Thu, 02 Nov 2006) $
37 */
38 public class NamespaceDrivenBuilderCollection {
39
40 private final Collection builders;
41 private final Set namespaces = new HashSet();
42
43 public NamespaceDrivenBuilderCollection(Collection builders) {
44 this.builders = builders == null? Collections.EMPTY_SET: builders;
45 if (builders instanceof ReferenceCollection) {
46 ((ReferenceCollection)builders).addReferenceCollectionListener(new ReferenceCollectionListener() {
47
48 public void memberAdded(ReferenceCollectionEvent event) {
49 addBuilder(event.getMember());
50 }
51
52 public void memberRemoved(ReferenceCollectionEvent event) {
53 Object builder = event.getMember();
54 String namespace = ((NamespaceDrivenBuilder)builder).getNamespace();
55 namespaces.remove(namespace);
56 }
57 });
58 }
59 for (Iterator iterator = this.builders.iterator(); iterator.hasNext();) {
60 Object builder = iterator.next();
61 addBuilder(builder);
62 }
63 }
64
65 private void addBuilder(Object builder) {
66 String namespace = ((NamespaceDrivenBuilder)builder).getNamespace();
67 if (namespaces.contains(namespace)) {
68 throw new IllegalArgumentException("Duplicate namespace in builder set: " + namespace);
69 }
70 namespaces.add(namespace);
71 }
72
73 public void buildEnvironment(XmlObject container, Environment environment) throws DeploymentException {
74 for (Iterator iterator = builders.iterator(); iterator.hasNext();) {
75 NamespaceDrivenBuilder builder = (NamespaceDrivenBuilder) iterator.next();
76 builder.buildEnvironment(container, environment);
77 }
78 }
79
80 public void build(XmlObject container, DeploymentContext applicationContext, DeploymentContext moduleContext) throws DeploymentException {
81 for (Iterator iterator = builders.iterator(); iterator.hasNext();) {
82 NamespaceDrivenBuilder builder = (NamespaceDrivenBuilder) iterator.next();
83 builder.build(container, applicationContext, moduleContext);
84 }
85 }
86
87 public void addLoaders(List loaderList) {
88 }
89 }