source: josm/trunk/src/org/openstreetmap/josm/data/preferences/JosmBaseDirectories.java@ 14052

Last change on this file since 14052 was 14052, checked in by Don-vip, 6 years ago

see #16010 - use JMockit to enable more extensive test coverage (patch by ris, modified)

see ​https://github.com/openstreetmap/josm/pull/24/commits for details
  • Property svn:eol-style set to native
File size: 6.1 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.data.preferences;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5import static org.openstreetmap.josm.tools.Utils.getSystemProperty;
6
7import java.awt.GraphicsEnvironment;
8import java.io.File;
9
10import javax.swing.JOptionPane;
11
12import org.openstreetmap.josm.Main;
13import org.openstreetmap.josm.spi.preferences.Config;
14import org.openstreetmap.josm.spi.preferences.IBaseDirectories;
15import org.openstreetmap.josm.tools.Logging;
16
17/**
18 * Class provides base directory locations for JOSM.
19 * @since 13021
20 */
21public final class JosmBaseDirectories implements IBaseDirectories {
22
23 private JosmBaseDirectories() {
24 // hide constructor
25 }
26
27 private static class InstanceHolder {
28 static final JosmBaseDirectories INSTANCE = new JosmBaseDirectories();
29 }
30
31 /**
32 * Returns the unique instance.
33 * @return the unique instance
34 */
35 public static JosmBaseDirectories getInstance() {
36 return InstanceHolder.INSTANCE;
37 }
38
39 /**
40 * Internal storage for the preference directory.
41 */
42 private File preferencesDir;
43
44 /**
45 * Internal storage for the cache directory.
46 */
47 private File cacheDir;
48
49 /**
50 * Internal storage for the user data directory.
51 */
52 private File userdataDir;
53
54 @Override
55 public File getPreferencesDirectory(boolean createIfMissing) {
56 if (preferencesDir == null) {
57 String path = getSystemProperty("josm.pref");
58 if (path != null) {
59 preferencesDir = new File(path).getAbsoluteFile();
60 } else {
61 path = getSystemProperty("josm.home");
62 if (path != null) {
63 preferencesDir = new File(path).getAbsoluteFile();
64 } else {
65 preferencesDir = Main.platform.getDefaultPrefDirectory();
66 }
67 }
68 }
69 try {
70 if (createIfMissing && !preferencesDir.exists() && !preferencesDir.mkdirs()) {
71 Logging.warn(tr("Failed to create missing preferences directory: {0}", preferencesDir.getAbsoluteFile()));
72 if (!GraphicsEnvironment.isHeadless()) {
73 JOptionPane.showMessageDialog(
74 Main.parent,
75 tr("<html>Failed to create missing preferences directory: {0}</html>", preferencesDir.getAbsoluteFile()),
76 tr("Error"),
77 JOptionPane.ERROR_MESSAGE
78 );
79 }
80 }
81 } catch (SecurityException e) {
82 Logging.log(Logging.LEVEL_ERROR, "Unable to check if preferences dir must be created", e);
83 }
84 return preferencesDir;
85 }
86
87 @Override
88 public File getUserDataDirectory(boolean createIfMissing) {
89 if (userdataDir == null) {
90 String path = getSystemProperty("josm.userdata");
91 if (path != null) {
92 userdataDir = new File(path).getAbsoluteFile();
93 } else {
94 path = getSystemProperty("josm.home");
95 if (path != null) {
96 userdataDir = new File(path).getAbsoluteFile();
97 } else {
98 userdataDir = Main.platform.getDefaultUserDataDirectory();
99 }
100 }
101 }
102 try {
103 if (createIfMissing && !userdataDir.exists() && !userdataDir.mkdirs()) {
104 Logging.warn(tr("Failed to create missing user data directory: {0}", userdataDir.getAbsoluteFile()));
105 if (!GraphicsEnvironment.isHeadless()) {
106 JOptionPane.showMessageDialog(
107 Main.parent,
108 tr("<html>Failed to create missing user data directory: {0}</html>", userdataDir.getAbsoluteFile()),
109 tr("Error"),
110 JOptionPane.ERROR_MESSAGE
111 );
112 }
113 }
114 } catch (SecurityException e) {
115 Logging.log(Logging.LEVEL_ERROR, "Unable to check if user data dir must be created", e);
116 }
117 return userdataDir;
118 }
119
120 @Override
121 public File getCacheDirectory(boolean createIfMissing) {
122 if (cacheDir == null) {
123 String path = getSystemProperty("josm.cache");
124 if (path != null) {
125 cacheDir = new File(path).getAbsoluteFile();
126 } else {
127 path = getSystemProperty("josm.home");
128 if (path != null) {
129 cacheDir = new File(path, "cache");
130 } else {
131 path = Config.getPref().get("cache.folder", null);
132 if (path != null) {
133 cacheDir = new File(path).getAbsoluteFile();
134 } else {
135 cacheDir = Main.platform.getDefaultCacheDirectory();
136 }
137 }
138 }
139 }
140 try {
141 if (createIfMissing && !cacheDir.exists() && !cacheDir.mkdirs()) {
142 Logging.warn(tr("Failed to create missing cache directory: {0}", cacheDir.getAbsoluteFile()));
143 if (!GraphicsEnvironment.isHeadless()) {
144 JOptionPane.showMessageDialog(
145 Main.parent,
146 tr("<html>Failed to create missing cache directory: {0}</html>", cacheDir.getAbsoluteFile()),
147 tr("Error"),
148 JOptionPane.ERROR_MESSAGE
149 );
150 }
151 }
152 } catch (SecurityException e) {
153 Logging.log(Logging.LEVEL_ERROR, "Unable to check if cache dir must be created", e);
154 }
155 return cacheDir;
156 }
157
158 /**
159 * Clears any previously calculated values used for {@link #getPreferencesDirectory(boolean)},
160 * {@link #getCacheDirectory(boolean)} or {@link #getUserDataDirectory(boolean)}. Useful for tests.
161 * @since 14052
162 */
163 public void clearMemos() {
164 this.preferencesDir = null;
165 this.cacheDir = null;
166 this.userdataDir = null;
167 }
168}
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