1/* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5/* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22package com.sun.org.apache.xalan.internal.xsltc.dom; 23 24import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator; 25 26/** 27 * Extends a StepIterator by adding the ability to filter nodes. It 28 * uses filters similar to those of a FilterIterator. 29 * @author Jacek Ambroziak 30 * @author Santiago Pericas-Geertsen 31 * @author Morten Jorgensen 32 */ 33public final class FilteredStepIterator extends StepIterator { 34 35 private Filter _filter; 36 37 public FilteredStepIterator(DTMAxisIterator source, 38 DTMAxisIterator iterator, 39 Filter filter) { 40 super(source, iterator); 41 _filter = filter; 42 } 43 44 public int next() { 45 int node; 46 while ((node = super.next()) != END) { 47 if (_filter.test(node)) { 48 return returnNode(node); 49 } 50 } 51 return node; 52 } 53 54} 55