001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright © 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.grouping.core.summaries;
051:
052: import java.util.Collection;
053:
054: import org.apache.commons.collections.Closure;
055: import org.apache.commons.collections.CollectionUtils;
056: import org.apache.commons.collections.Predicate;
057:
058: import com.projity.grouping.core.Node;
059: import com.projity.grouping.core.model.NodeModel;
060: import com.projity.pm.key.HasKey;
061:
062: /**
063: *
064: */
065: public class DeepChildSearcher extends NodeWalker {
066: FindClosure findClosure;
067:
068: private static class FindClosure implements Closure {
069: Predicate condition;
070: Object result = null;
071:
072: FindClosure(Predicate condition) {
073: this .condition = condition;
074: }
075:
076: public void execute(Object arg0) {
077: Node node = (Node) arg0;
078: Object impl = node.getImpl();
079: if (condition.evaluate(impl))
080: result = impl;
081: }
082: }
083:
084: private DeepChildSearcher(FindClosure f) {
085: super (f);
086: this .findClosure = f;
087: }
088:
089: public void execute(Object arg0) {
090: if (findClosure.result != null)
091: return;
092: Node node = (Node) arg0;
093: if (node != null)
094: closure.execute(node);
095: Collection nodeList = nodeModel.getChildren(node);
096: if (nodeList != null)
097: CollectionUtils.forAllDo(nodeList, this );
098: }
099:
100: /**
101: * Applies a closure to the starting node and recursively all children
102: * @param nodeModel
103: * @param node
104: * @param closure
105: */
106: public static Object search(NodeModel nodeModel, Predicate condition) {
107: FindClosure f = new FindClosure(condition);
108: DeepChildSearcher walker = new DeepChildSearcher(f);
109: walker.setNodeModel(nodeModel);
110: walker.execute(null);
111: return f.result;
112: }
113:
114: public static Object searchForUniqueId(NodeModel nodeModel,
115: final long uniqueId) {
116: return search(nodeModel, new Predicate() {
117: public boolean evaluate(Object arg0) {
118: return ((HasKey) arg0).getUniqueId() == uniqueId;
119: }
120: });
121: }
122:
123: }
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