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 1997-2006 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.netbeans.modules.apisupport.project.suite;
043:
044: import java.beans.PropertyChangeEvent;
045: import java.beans.PropertyChangeListener;
046: import java.io.IOException;
047: import java.util.Collections;
048: import java.util.HashSet;
049: import java.util.Set;
050: import javax.swing.event.ChangeListener;
051: import org.netbeans.api.project.Project;
052: import org.netbeans.api.project.ProjectManager;
053: import org.netbeans.modules.apisupport.project.NbModuleProject;
054: import org.netbeans.modules.apisupport.project.Util;
055: import org.netbeans.spi.project.SubprojectProvider;
056: import org.netbeans.spi.project.support.ant.AntProjectHelper;
057: import org.netbeans.spi.project.support.ant.PropertyEvaluator;
058: import org.netbeans.spi.project.support.ant.PropertyUtils;
059: import org.openide.ErrorManager;
060: import org.openide.filesystems.FileObject;
061: import org.openide.util.ChangeSupport;
062:
063: /**
064: * Lists modules in a suite.
065: * @author Jesse Glick
066: */
067: final class SuiteSubprojectProviderImpl implements SubprojectProvider {
068:
069: private Set<NbModuleProject> projects;
070: private final AntProjectHelper helper;
071: private final PropertyEvaluator eval;
072:
073: private final ChangeSupport changeSupport = new ChangeSupport(this );
074: private boolean reloadNeeded;
075:
076: public SuiteSubprojectProviderImpl(AntProjectHelper helper,
077: PropertyEvaluator eval) {
078: this .helper = helper;
079: this .eval = eval;
080: eval.addPropertyChangeListener(new PropertyChangeListener() {
081: public void propertyChange(PropertyChangeEvent evt) {
082: if ("modules".equals(evt.getPropertyName())) { // NOI18N
083: SuiteSubprojectProviderImpl.this .reloadNeeded = true;
084: SuiteSubprojectProviderImpl.this .changeSupport
085: .fireChange();
086: }
087: }
088: });
089: }
090:
091: public Set<NbModuleProject> getSubprojects() {
092: if (projects == null || reloadNeeded) {
093: projects = loadProjects();
094: reloadNeeded = false;
095: }
096: return projects;
097: }
098:
099: public final void addChangeListener(ChangeListener l) {
100: changeSupport.addChangeListener(l);
101: }
102:
103: public final void removeChangeListener(ChangeListener l) {
104: changeSupport.removeChangeListener(l);
105: }
106:
107: private Set<NbModuleProject> loadProjects() {
108: Set<NbModuleProject> newProjects = new HashSet<NbModuleProject>();
109: String modules = eval.getProperty("modules"); // NOI18N
110: if (modules != null) {
111: for (String piece : PropertyUtils.tokenizePath(modules)) {
112: FileObject dir = helper.resolveFileObject(piece);
113: if (dir != null) {
114: try {
115: Project subp = ProjectManager.getDefault()
116: .findProject(dir);
117: if (subp != null
118: && subp instanceof NbModuleProject) {
119: newProjects.add((NbModuleProject) subp);
120: }
121: } catch (IOException e) {
122: Util.err.notify(ErrorManager.INFORMATIONAL, e);
123: }
124: }
125: }
126: }
127: return Collections.unmodifiableSet(newProjects);
128: }
129:
130: }
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