Commit | Line | Data |
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08fe2e33 NR |
1 | package be.nikiroo.fanfix; |
2 | ||
3 | import java.io.File; | |
4 | import java.io.IOException; | |
5 | ||
6 | import be.nikiroo.fanfix.bundles.Config; | |
7 | import be.nikiroo.fanfix.bundles.ConfigBundle; | |
8 | import be.nikiroo.fanfix.bundles.StringIdBundle; | |
b4dc6ab5 NR |
9 | import be.nikiroo.fanfix.bundles.UiConfig; |
10 | import be.nikiroo.fanfix.bundles.UiConfigBundle; | |
2206ef66 | 11 | import be.nikiroo.fanfix.output.BasicOutput.OutputType; |
08fe2e33 NR |
12 | import be.nikiroo.utils.resources.Bundles; |
13 | ||
14 | /** | |
15 | * Global state for the program (services and singletons). | |
16 | * | |
17 | * @author niki | |
18 | */ | |
19 | public class Instance { | |
20 | private static ConfigBundle config; | |
b4dc6ab5 | 21 | private static UiConfigBundle uiconfig; |
08fe2e33 NR |
22 | private static StringIdBundle trans; |
23 | private static Cache cache; | |
24 | private static Library lib; | |
25 | private static boolean debug; | |
26 | private static File coverDir; | |
3727aae2 | 27 | private static File readerTmp; |
08fe2e33 NR |
28 | |
29 | static { | |
948637bc | 30 | // Most of the rest is dependent upon this: |
08fe2e33 NR |
31 | config = new ConfigBundle(); |
32 | ||
fe999aa4 NR |
33 | String configDir = System.getenv("CONFIG_DIR"); |
34 | if (configDir == null) { | |
35 | configDir = new File(System.getProperty("user.home"), ".fanfix") | |
36 | .getPath(); | |
37 | } | |
38 | if (configDir != null) { | |
39 | if (!new File(configDir).exists()) { | |
40 | new File(configDir).mkdirs(); | |
41 | } else { | |
42 | Bundles.setDirectory(configDir); | |
43 | } | |
44 | ||
45 | try { | |
46 | config = new ConfigBundle(); | |
47 | config.updateFile(configDir); | |
48 | } catch (IOException e) { | |
49 | syserr(e); | |
50 | } | |
b4dc6ab5 NR |
51 | try { |
52 | uiconfig = new UiConfigBundle(); | |
53 | uiconfig.updateFile(configDir); | |
54 | } catch (IOException e) { | |
55 | syserr(e); | |
56 | } | |
fe999aa4 NR |
57 | try { |
58 | trans = new StringIdBundle(getLang()); | |
59 | trans.updateFile(configDir); | |
60 | } catch (IOException e) { | |
61 | syserr(e); | |
62 | } | |
63 | ||
64 | Bundles.setDirectory(configDir); | |
65 | } | |
66 | ||
b4dc6ab5 | 67 | uiconfig = new UiConfigBundle(); |
08fe2e33 | 68 | trans = new StringIdBundle(getLang()); |
68686a37 | 69 | try { |
2206ef66 NR |
70 | lib = new Library(getFile(Config.LIBRARY_DIR), |
71 | OutputType.INFO_TEXT, OutputType.CBZ); | |
68686a37 NR |
72 | } catch (Exception e) { |
73 | syserr(new IOException("Cannot create library for directory: " | |
74 | + getFile(Config.LIBRARY_DIR), e)); | |
75 | } | |
2206ef66 | 76 | |
08fe2e33 NR |
77 | debug = Instance.getConfig().getBoolean(Config.DEBUG_ERR, false); |
78 | coverDir = getFile(Config.DEFAULT_COVERS_DIR); | |
3727aae2 | 79 | File tmp = getFile(Config.CACHE_DIR); |
b4dc6ab5 | 80 | readerTmp = getFile(UiConfig.CACHE_DIR_LOCAL_READER); |
3727aae2 | 81 | |
d0114000 NR |
82 | if (checkEnv("NOUTF")) { |
83 | trans.setUnicode(false); | |
84 | } | |
85 | ||
86 | if (checkEnv("DEBUG")) { | |
87 | debug = true; | |
88 | } | |
89 | ||
3727aae2 NR |
90 | if (tmp == null || readerTmp == null) { |
91 | String tmpDir = System.getProperty("java.io.tmpdir"); | |
92 | if (tmpDir != null) { | |
93 | if (tmp == null) { | |
94 | tmp = new File(tmpDir, "fanfic-tmp"); | |
95 | } | |
96 | if (readerTmp == null) { | |
7de079f1 | 97 | readerTmp = new File(tmpDir, "fanfic-reader"); |
3727aae2 NR |
98 | } |
99 | } else { | |
100 | syserr(new IOException( | |
101 | "The system does not have a default temporary directory")); | |
102 | } | |
103 | } | |
08fe2e33 NR |
104 | |
105 | if (coverDir != null && !coverDir.exists()) { | |
106 | syserr(new IOException( | |
107 | "The 'default covers' directory does not exists: " | |
108 | + coverDir)); | |
109 | coverDir = null; | |
110 | } | |
08fe2e33 | 111 | |
08fe2e33 | 112 | try { |
08fe2e33 NR |
113 | String ua = config.getString(Config.USER_AGENT); |
114 | int hours = config.getInteger(Config.CACHE_MAX_TIME_CHANGING, -1); | |
115 | int hoursLarge = config | |
116 | .getInteger(Config.CACHE_MAX_TIME_STABLE, -1); | |
117 | ||
08fe2e33 NR |
118 | cache = new Cache(tmp, ua, hours, hoursLarge); |
119 | } catch (IOException e) { | |
120 | syserr(new IOException( | |
121 | "Cannot create cache (will continue without cache)", e)); | |
122 | } | |
123 | } | |
124 | ||
125 | /** | |
126 | * Get the (unique) configuration service for the program. | |
127 | * | |
128 | * @return the configuration service | |
129 | */ | |
130 | public static ConfigBundle getConfig() { | |
131 | return config; | |
132 | } | |
133 | ||
b4dc6ab5 NR |
134 | /** |
135 | * Get the (unique) UI configuration service for the program. | |
136 | * | |
137 | * @return the configuration service | |
138 | */ | |
139 | public static UiConfigBundle getUiConfig() { | |
140 | return uiconfig; | |
141 | } | |
142 | ||
08fe2e33 NR |
143 | /** |
144 | * Get the (unique) {@link Cache} for the program. | |
145 | * | |
146 | * @return the {@link Cache} | |
147 | */ | |
148 | public static Cache getCache() { | |
149 | return cache; | |
150 | } | |
151 | ||
152 | /** | |
153 | * Get the (unique) {link StringIdBundle} for the program. | |
154 | * | |
155 | * @return the {link StringIdBundle} | |
156 | */ | |
157 | public static StringIdBundle getTrans() { | |
158 | return trans; | |
159 | } | |
160 | ||
161 | /** | |
162 | * Get the (unique) {@link Library} for the program. | |
163 | * | |
164 | * @return the {@link Library} | |
165 | */ | |
166 | public static Library getLibrary() { | |
167 | return lib; | |
168 | } | |
169 | ||
170 | /** | |
171 | * Return the directory where to look for default cover pages. | |
172 | * | |
173 | * @return the default covers directory | |
174 | */ | |
175 | public static File getCoverDir() { | |
176 | return coverDir; | |
177 | } | |
178 | ||
3727aae2 NR |
179 | /** |
180 | * Return the directory where to store temporary files for the local reader. | |
181 | * | |
182 | * @return the directory | |
183 | */ | |
184 | public static File getReaderDir() { | |
185 | return readerTmp; | |
186 | } | |
187 | ||
08fe2e33 NR |
188 | /** |
189 | * Report an error to the user | |
190 | * | |
191 | * @param e | |
192 | * the {@link Exception} to report | |
193 | */ | |
194 | public static void syserr(Exception e) { | |
195 | if (debug) { | |
196 | e.printStackTrace(); | |
197 | } else { | |
198 | System.err.println(e.getMessage()); | |
199 | } | |
200 | } | |
201 | ||
202 | /** | |
203 | * Return a path, but support the special $HOME variable. | |
204 | * | |
205 | * @return the path | |
206 | */ | |
207 | private static File getFile(Config id) { | |
b4dc6ab5 NR |
208 | return getFile(config.getString(id)); |
209 | } | |
210 | ||
211 | /** | |
212 | * Return a path, but support the special $HOME variable. | |
213 | * | |
214 | * @return the path | |
215 | */ | |
216 | private static File getFile(UiConfig id) { | |
217 | return getFile(uiconfig.getString(id)); | |
218 | } | |
219 | ||
220 | /** | |
221 | * Return a path, but support the special $HOME variable. | |
222 | * | |
223 | * @return the path | |
224 | */ | |
225 | private static File getFile(String path) { | |
08fe2e33 | 226 | File file = null; |
08fe2e33 NR |
227 | if (path != null && !path.isEmpty()) { |
228 | path = path.replace('/', File.separatorChar); | |
229 | if (path.contains("$HOME")) { | |
230 | path = path.replace("$HOME", | |
231 | "" + System.getProperty("user.home")); | |
232 | } | |
233 | ||
234 | file = new File(path); | |
235 | } | |
236 | ||
237 | return file; | |
238 | } | |
239 | ||
240 | /** | |
241 | * The language to use for the application (NULL = default system language). | |
242 | * | |
243 | * @return the language | |
244 | */ | |
245 | private static String getLang() { | |
246 | String lang = config.getString(Config.LANG); | |
247 | ||
248 | if (System.getenv("LANG") != null && !System.getenv("LANG").isEmpty()) { | |
249 | lang = System.getenv("LANG"); | |
250 | } | |
251 | ||
252 | if (lang != null && lang.isEmpty()) { | |
253 | lang = null; | |
254 | } | |
255 | ||
256 | return lang; | |
257 | } | |
d0114000 NR |
258 | |
259 | /** | |
260 | * Check that the given environment variable is "enabled". | |
261 | * | |
262 | * @param key | |
263 | * the variable to check | |
264 | * | |
265 | * @return TRUE if it is | |
266 | */ | |
267 | private static boolean checkEnv(String key) { | |
268 | String value = System.getenv(key); | |
269 | if (value != null) { | |
270 | value = value.trim().toLowerCase(); | |
271 | if ("yes".equals(value) || "true".equals(value) | |
272 | || "on".equals(value) || "1".equals(value) | |
273 | || "y".equals(value)) { | |
274 | return true; | |
275 | } | |
276 | } | |
277 | ||
278 | return false; | |
279 | } | |
08fe2e33 | 280 | } |