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 1997-2007 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.netbeans.modules.tasklist.projectint;
043:
044: import java.util.ArrayList;
045: import java.util.Collection;
046: import java.util.Iterator;
047: import org.netbeans.api.project.Project;
048: import org.netbeans.api.project.ProjectUtils;
049: import org.netbeans.api.project.SourceGroup;
050: import org.netbeans.api.project.Sources;
051: import org.netbeans.api.project.ui.OpenProjects;
052: import org.openide.filesystems.FileObject;
053:
054: /**
055: * Iterate all resources (files and folders) that are under all opened projects.
056: *
057: * @author S. Aubrecht
058: */
059: class OpenedProjectsIterator implements Iterator<FileObject> {
060:
061: private Iterator<FileObject> iterator;
062: private Collection<FileObject> editedFiles;
063:
064: /** Creates a new instance of OpenedProjectsIterator */
065: public OpenedProjectsIterator(Collection<FileObject> editedFiles) {
066: this .editedFiles = editedFiles;
067: }
068:
069: public boolean hasNext() {
070: initialize();
071: return iterator.hasNext();
072: }
073:
074: public FileObject next() {
075: initialize();
076: return iterator.next();
077: }
078:
079: public void remove() {
080: throw new UnsupportedOperationException();
081: }
082:
083: private void initialize() {
084: if (null == iterator) {
085: iterator = createIterator();
086: }
087: }
088:
089: protected Iterator<FileObject> createIterator() {
090: ArrayList<FileObject> roots = new ArrayList<FileObject>(10);
091: Project[] projects = OpenProjects.getDefault()
092: .getOpenProjects();
093: for (Project p : projects) {
094: Sources sources = ProjectUtils.getSources(p);
095: SourceGroup[] groups = sources
096: .getSourceGroups(Sources.TYPE_GENERIC);
097: for (SourceGroup group : groups) {
098: FileObject rootFolder = group.getRootFolder();
099: roots.add(rootFolder);
100: }
101: }
102: return new FileObjectIterator(roots, editedFiles);
103: }
104: }
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