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1   /*
2    * $Id: CollectionAdapter.java 471756 2006-11-06 15:01:43Z husted $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  package org.apache.struts2.views.xslt;
22  
23  import java.util.ArrayList;
24  import java.util.Collection;
25  import java.util.List;
26  
27  import org.apache.commons.logging.Log;
28  import org.apache.commons.logging.LogFactory;
29  import org.w3c.dom.Node;
30  
31  
32  /***
33   */
34  public class CollectionAdapter extends AbstractAdapterElement {
35  
36      private Log log = LogFactory.getLog(this.getClass());
37  
38      public CollectionAdapter() { }
39  
40      public CollectionAdapter(AdapterFactory rootAdapterFactory, AdapterNode parent, String propertyName, Object value) {
41          setContext(rootAdapterFactory, parent, propertyName, value);
42      }
43  
44      protected List<Node> buildChildAdapters() {
45          Collection values = (Collection) getPropertyValue();
46          List<Node> children = new ArrayList<Node>(values.size());
47  
48          for (Object value : values) {
49              Node childAdapter = getAdapterFactory().adaptNode(this, "item", value);
50              if (childAdapter != null)
51                  children.add(childAdapter);
52  
53              if (log.isDebugEnabled()) {
54                  log.debug(this + " adding adapter: " + childAdapter);
55              }
56          }
57  
58          return children;
59      }
60  }