1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Copyright 2001-2004 The Apache Software Foundation. 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * 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, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 /* 21 * $Id: FilteredStepIterator.java,v 1.2.4.1 2005/09/06 06:20:13 pvedula Exp $ 22 */ 23 24 package com.sun.org.apache.xalan.internal.xsltc.dom; 25 26 import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator; 27 28 /** 29 * Extends a StepIterator by adding the ability to filter nodes. It 30 * uses filters similar to those of a FilterIterator. 31 * @author Jacek Ambroziak 32 * @author Santiago Pericas-Geertsen 33 * @author Morten Jorgensen 34 */ 35 public final class FilteredStepIterator extends StepIterator { 36 37 private Filter _filter; 38 39 public FilteredStepIterator(DTMAxisIterator source, 40 DTMAxisIterator iterator, 41 Filter filter) { 42 super(source, iterator); 43 _filter = filter; 44 } 45 46 public int next() { 47 int node; 48 while ((node = super.next()) != END) { 49 if (_filter.test(node)) { 50 return returnNode(node); 51 } 52 } 53 return node; 54 } 55 56 }