Save This Page
1 /*
2 * Copyright 2004 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package javax.faces.component;
17
18 import java.util.Iterator;
19 import java.util.List;
20 import java.util.Map;
21 import java.util.NoSuchElementException;
22
23 /**
24 * @author Manfred Geiler (latest modification by $Author: mwessendorf $)
25 * @version $Revision: 166994 $ $Date: 2004-07-01 18:12:40 -0400 (Thu, 01 Jul 2004) $
26 */
27 class _FacetsAndChildrenIterator
28 implements Iterator
29 {
30 private Iterator _facetsIterator;
31 private Iterator _childrenIterator;
32
33 _FacetsAndChildrenIterator(Map facetMap, List childrenList)
34 {
35 _facetsIterator = facetMap != null ? facetMap.values().iterator() : null;
36 _childrenIterator = childrenList != null ? childrenList.iterator() : null;
37 }
38
39 public boolean hasNext()
40 {
41 return (_facetsIterator != null && _facetsIterator.hasNext()) ||
42 (_childrenIterator != null && _childrenIterator.hasNext());
43 }
44
45 public Object next()
46 {
47 if (_facetsIterator != null && _facetsIterator.hasNext())
48 {
49 return _facetsIterator.next();
50 }
51 else if (_childrenIterator != null && _childrenIterator.hasNext())
52 {
53 return _childrenIterator.next();
54 }
55 else
56 {
57 throw new NoSuchElementException();
58 }
59 }
60
61 public void remove()
62 {
63 throw new UnsupportedOperationException(this.getClass().getName() + " UnsupportedOperationException");
64 }
65
66 }