01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2008 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 1997-2008 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: package org.netbeans.modules.versioning;
42:
43: import org.netbeans.spi.queries.CollocationQueryImplementation;
44: import org.netbeans.modules.versioning.spi.VersioningSystem;
45:
46: import java.io.File;
47:
48: /**
49: * Delegates the work to the owner of files in query.
50: *
51: * @author Maros Sandor
52: */
53: public class VcsCollocationQueryImplementation implements
54: CollocationQueryImplementation {
55:
56: public boolean areCollocated(File a, File b) {
57: VersioningSystem vsa = VersioningManager.getInstance()
58: .getOwner(a);
59: VersioningSystem vsb = VersioningManager.getInstance()
60: .getOwner(b);
61: if (vsa == null || vsa != vsb)
62: return false;
63:
64: if (vsa instanceof CollocationQueryImplementation) {
65: CollocationQueryImplementation csa = (CollocationQueryImplementation) vsa;
66: return csa.areCollocated(a, b);
67: }
68: return false;
69: }
70:
71: public File findRoot(File file) {
72: VersioningSystem system = VersioningManager.getInstance()
73: .getOwner(file);
74: return system == null ? null : system
75: .getTopmostManagedAncestor(file);
76: }
77: }
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