KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > xalan > xsltc > dom > FilteredStepIterator


1 /*
2  * Copyright 2001-2004 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 /*
17  * $Id: FilteredStepIterator.java,v 1.9 2004/02/16 22:54:59 minchau Exp $
18  */

19
20 package org.apache.xalan.xsltc.dom;
21
22 import org.apache.xml.dtm.DTMAxisIterator;
23
24 /**
25  * Extends a StepIterator by adding the ability to filter nodes. It
26  * uses filters similar to those of a FilterIterator.
27  * @author Jacek Ambroziak
28  * @author Santiago Pericas-Geertsen
29  * @author Morten Jorgensen
30  */

31 public final class FilteredStepIterator extends StepIterator {
32
33     private Filter _filter;
34
35     public FilteredStepIterator(DTMAxisIterator source,
36                 DTMAxisIterator iterator,
37                 Filter filter) {
38     super(source, iterator);
39     _filter = filter;
40     }
41
42     public int next() {
43     int node;
44     while ((node = super.next()) != END) {
45         if (_filter.test(node)) {
46         return returnNode(node);
47         }
48     }
49     return node;
50     }
51
52 }
53
Popular Tags