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The source code/* * Sun Public License Notice * * The contents of this file are subject to the Sun Public License * Version 1.0 (the "License"). You may not use this file except in * compliance with the License. A copy of the License is available at * http://www.sun.com/ * * The Original Code is NetBeans. The Initial Developer of the Original * Code is Sun Microsystems, Inc. Portions Copyright 2004 Sun * Microsystems, Inc. All Rights Reserved. */ package org.openidex.search; import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.List; import org.openide.nodes.Node; /** * * @author Marian Petras */ final class SubnodesSearchInfo implements SearchInfo { /** */ private final Node node; /** * */ public SubnodesSearchInfo(final Node node) { this.node = node; } /** */ public boolean canSearch() { final Node[] nodes = node.getChildren().getNodes(); for (int i = 0; i < nodes.length; i++) { SearchInfo searchInfo = Utils.getSearchInfo(nodes[i]); if (searchInfo != null && searchInfo.canSearch()) { return true; } } return false; } /** */ public Iterator objectsToSearch() { final Node[] nodes = node.getChildren().getNodes(); if (nodes.length == 0) { return SimpleSearchInfo.EMPTY_SEARCH_INFO.objectsToSearch(); } List searchInfoElements = new ArrayList(nodes.length); for (int i = 0; i < nodes.length; i++) { SearchInfo subInfo = Utils.getSearchInfo(nodes[i]); if (subInfo != null && subInfo.canSearch()) { searchInfoElements.add(subInfo); } } final int size = searchInfoElements.size(); switch (size) { case 0: return Collections.EMPTY_LIST.iterator(); case 1: return ((SearchInfo) searchInfoElements.get(0)) .objectsToSearch(); default: return new CompoundSearchIterator( (SearchInfo[]) searchInfoElements.toArray(new SearchInfo[size])); } } } |
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