001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 2004-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.openidex.search;
043:
044: import java.util.ArrayList;
045: import java.util.Collections;
046: import java.util.Iterator;
047: import java.util.List;
048: import org.openide.loaders.DataObject;
049: import org.openide.nodes.Node;
050:
051: /**
052: *
053: * @author Marian Petras
054: */
055: final class SubnodesSearchInfo implements SearchInfo {
056:
057: /** */
058: private final Node node;
059:
060: /**
061: *
062: */
063: public SubnodesSearchInfo(final Node node) {
064: this .node = node;
065: }
066:
067: /**
068: */
069: public boolean canSearch() {
070: final Node[] nodes = node.getChildren().getNodes(true);
071: for (int i = 0; i < nodes.length; i++) {
072: SearchInfo searchInfo = Utils.getSearchInfo(nodes[i]);
073: if (searchInfo != null && searchInfo.canSearch()) {
074: return true;
075: }
076: }
077: return false;
078: }
079:
080: /**
081: */
082: public Iterator<DataObject> objectsToSearch() {
083: final Node[] nodes = node.getChildren().getNodes(true);
084: if (nodes.length == 0) {
085: return SimpleSearchInfo.EMPTY_SEARCH_INFO.objectsToSearch();
086: }
087:
088: List<SearchInfo> searchInfoElements = new ArrayList<SearchInfo>(
089: nodes.length);
090: for (int i = 0; i < nodes.length; i++) {
091: SearchInfo subInfo = Utils.getSearchInfo(nodes[i]);
092: if (subInfo != null && subInfo.canSearch()) {
093: searchInfoElements.add(subInfo);
094: }
095: }
096:
097: final int size = searchInfoElements.size();
098: switch (size) {
099: case 0:
100: return Collections.<DataObject> emptyList().iterator();
101: case 1:
102: return searchInfoElements.get(0).objectsToSearch();
103: default:
104: return new CompoundSearchIterator(searchInfoElements
105: .toArray(new SearchInfo[size]));
106: }
107: }
108:
109: }
|