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.spi.project.support.ant;
043:
044: import java.io.IOException;
045: import java.util.Collections;
046: import java.util.HashSet;
047: import java.util.Iterator;
048: import java.util.Set;
049: import javax.swing.event.ChangeListener;
050: import org.netbeans.api.project.Project;
051: import org.netbeans.api.project.ProjectManager;
052: import org.netbeans.spi.project.SubprojectProvider;
053: import org.openide.ErrorManager;
054: import org.openide.filesystems.FileObject;
055: import org.openide.util.Mutex;
056:
057: /**
058: * Translates a list of subproject names into actual subprojects
059: * for an Ant-based project.
060: * @author Jesse Glick
061: */
062: final class SubprojectProviderImpl implements SubprojectProvider {
063:
064: private final ReferenceHelper helper;
065:
066: SubprojectProviderImpl(ReferenceHelper helper) {
067: this .helper = helper;
068: }
069:
070: public Set<? extends Project> getSubprojects() {
071: return ProjectManager.mutex().readAccess(
072: new Mutex.Action<Set<? extends Project>>() {
073: public Set<? extends Project> run() {
074: // XXX could use a special set w/ lazy isEmpty() - cf. #58639 for freeform
075: Set<String> foreignProjectNames = new HashSet<String>();
076: for (ReferenceHelper.RawReference ref : helper
077: .getRawReferences()) {
078: foreignProjectNames.add(ref
079: .getForeignProjectName());
080: }
081: Set<Project> foreignProjects = new HashSet<Project>();
082: for (String foreignProjectName : foreignProjectNames) {
083: String prop = "project."
084: + foreignProjectName; // NOI18N
085: AntProjectHelper h = helper
086: .getAntProjectHelper();
087: String foreignProjectDirS = helper.eval
088: .getProperty(prop);
089: if (foreignProjectDirS == null) {
090: // Missing for some reason. Skip it.
091: continue;
092: }
093: FileObject foreignProjectDir = h
094: .resolveFileObject(foreignProjectDirS);
095: if (foreignProjectDir == null) {
096: // Not present on disk, erroneous property, etc. Skip it.
097: continue;
098: }
099: try {
100: Project p = ProjectManager.getDefault()
101: .findProject(foreignProjectDir);
102: if (p != null) {
103: // OK, got a real project.
104: foreignProjects.add(p);
105: }
106: } catch (IOException e) {
107: ErrorManager.getDefault().notify(
108: ErrorManager.INFORMATIONAL, e);
109: // skip it
110: }
111: }
112: return foreignProjects;
113: }
114: });
115: }
116:
117: public void addChangeListener(ChangeListener listener) {
118: // XXX implement - listen to references added and removed
119: }
120:
121: public void removeChangeListener(ChangeListener listener) {
122: // XXX
123: }
124:
125: }
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