Wed, 08 Oct 2014 14:16:40 -0700
Merge
1 /*
2 * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package javax.tools;
28 import javax.tools.JavaFileManager.Location;
30 import java.util.concurrent.*;
32 /**
33 * Standard locations of file objects.
34 *
35 * @author Peter von der Ahé
36 * @since 1.6
37 */
38 public enum StandardLocation implements Location {
40 /**
41 * Location of new class files.
42 */
43 CLASS_OUTPUT,
45 /**
46 * Location of new source files.
47 */
48 SOURCE_OUTPUT,
50 /**
51 * Location to search for user class files.
52 */
53 CLASS_PATH,
55 /**
56 * Location to search for existing source files.
57 */
58 SOURCE_PATH,
60 /**
61 * Location to search for annotation processors.
62 */
63 ANNOTATION_PROCESSOR_PATH,
65 /**
66 * Location to search for platform classes. Sometimes called
67 * the boot class path.
68 */
69 PLATFORM_CLASS_PATH,
71 /**
72 * Location of new native header files.
73 * @since 1.8
74 */
75 NATIVE_HEADER_OUTPUT;
77 /**
78 * Gets a location object with the given name. The following
79 * property must hold: {@code locationFor(x) ==
80 * locationFor(y)} if and only if {@code x.equals(y)}.
81 * The returned location will be an output location if and only if
82 * name ends with {@code "_OUTPUT"}.
83 *
84 * @param name a name
85 * @return a location
86 */
87 public static Location locationFor(final String name) {
88 if (locations.isEmpty()) {
89 // can't use valueOf which throws IllegalArgumentException
90 for (Location location : values())
91 locations.putIfAbsent(location.getName(), location);
92 }
93 locations.putIfAbsent(name.toString(/* null-check */), new Location() {
94 public String getName() { return name; }
95 public boolean isOutputLocation() { return name.endsWith("_OUTPUT"); }
96 });
97 return locations.get(name);
98 }
99 //where
100 private static final ConcurrentMap<String,Location> locations
101 = new ConcurrentHashMap<String,Location>();
103 public String getName() { return name(); }
105 public boolean isOutputLocation() {
106 switch (this) {
107 case CLASS_OUTPUT:
108 case SOURCE_OUTPUT:
109 case NATIVE_HEADER_OUTPUT:
110 return true;
111 default:
112 return false;
113 }
114 }
115 }