001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.jxpath.ri.model.beans;
019
020import org.apache.commons.jxpath.ri.compiler.NodeTest;
021import org.apache.commons.jxpath.ri.model.NodeIterator;
022import org.apache.commons.jxpath.ri.model.NodePointer;
023
024/**
025 * Combines child node iterators of all elements of a collection into one aggregate child node iterator.
026 */
027public class CollectionChildNodeIterator extends CollectionNodeIterator {
028
029    private final NodeTest test;
030
031    /**
032     * Constructs a new CollectionChildNodeIterator.
033     *
034     * @param pointer   CollectionPointer
035     * @param test      child test
036     * @param reverse   iteration order
037     * @param startWith starting pointer
038     */
039    public CollectionChildNodeIterator(final CollectionPointer pointer, final NodeTest test, final boolean reverse, final NodePointer startWith) {
040        super(pointer, reverse, startWith);
041        this.test = test;
042    }
043
044    @Override
045    protected NodeIterator getElementNodeIterator(final NodePointer elementPointer) {
046        return elementPointer.childIterator(test, false, null);
047    }
048}