01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41:
42: package org.netbeans.modules.projectimport.jbuilder.parsing;
43:
44: import java.io.File;
45: import java.util.Collection;
46: import java.util.Collections;
47: import org.openide.filesystems.FileObject;
48: import org.openide.filesystems.FileUtil;
49:
50: /**
51: * Serveral helpers for parsing, managing, loading JBuilder projects
52: *
53: * @author Radek Matous
54: */
55: public abstract class ProjectBuilder {
56: private static final ProjectBuilder[] SUPPORTED_TYPES = new ProjectBuilder[] {
57: new JpxBuilder(".jpr"),//NOI18N;
58: new JpxBuilder(".jpx") //NOI18N;
59: };
60:
61: public static boolean isProjectFile(final File file) {
62: return (getProvider(file) != null);
63: }
64:
65: /** may return null for not supported files*/
66: public static Collection/*<ProjectModel>*/buildProjectModels(
67: final File file) {
68: ProjectBuilder provider = null;
69: provider = getProvider(file);
70:
71: return (provider != null) ? provider.buildImpl(file)
72: : Collections.EMPTY_LIST;
73: }
74:
75: static ProjectBuilder getProvider(final File file) {
76: FileObject fo = FileUtil.toFileObject(FileUtil
77: .normalizeFile(file));
78: if (fo != null) {
79: for (int i = 0; i < SUPPORTED_TYPES.length; i++) {
80: if (SUPPORTED_TYPES[i].isProjectFileImpl(file)) {
81: return SUPPORTED_TYPES[i];
82: }
83: }
84: }
85:
86: return null;
87: }
88:
89: protected abstract Collection/*<ProjectModel>*/buildImpl(File file);
90:
91: protected abstract String getSupportedExtension();
92:
93: private final boolean isProjectFileImpl(File file) {
94: return file.getName().toLowerCase().endsWith(
95: getSupportedExtension());
96: }
97: }
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