| 1 | package be.nikiroo.fanfix; |
| 2 | |
| 3 | import java.io.File; |
| 4 | import java.io.IOException; |
| 5 | import java.net.MalformedURLException; |
| 6 | import java.net.URL; |
| 7 | |
| 8 | import be.nikiroo.fanfix.bundles.StringId; |
| 9 | import be.nikiroo.fanfix.data.Chapter; |
| 10 | import be.nikiroo.fanfix.data.Story; |
| 11 | import be.nikiroo.fanfix.output.BasicOutput; |
| 12 | import be.nikiroo.fanfix.output.BasicOutput.OutputType; |
| 13 | import be.nikiroo.fanfix.reader.CliReader; |
| 14 | import be.nikiroo.fanfix.supported.BasicSupport; |
| 15 | import be.nikiroo.fanfix.supported.BasicSupport.SupportType; |
| 16 | |
| 17 | /** |
| 18 | * Main program entry point. |
| 19 | * |
| 20 | * @author niki |
| 21 | */ |
| 22 | public class Main { |
| 23 | /** |
| 24 | * Main program entry point. |
| 25 | * <p> |
| 26 | * Known environment variables: |
| 27 | * <ul> |
| 28 | * <li>NOUTF: if set to 1, the program will prefer non-unicode |
| 29 | * {@link String}s when possible</li> |
| 30 | * <li>CONFIG_DIR: a path where to look for the <tt>.properties</tt> files |
| 31 | * before taking the included ones; they will also be saved/updated into |
| 32 | * this path when the program starts</li> |
| 33 | * </ul> |
| 34 | * |
| 35 | * @param args |
| 36 | * <ol> |
| 37 | * <li>--import [URL]: import into library</li> <li>--export [id] |
| 38 | * [output_type] [target]: export story to target</li> <li> |
| 39 | * --convert [URL] [output_type] [target]: convert URL into |
| 40 | * target</li> <li>--read [id]: read the given story from the |
| 41 | * library</li> <li>--read-url [URL]: convert on the fly and read |
| 42 | * the story, without saving it</li> <li>--list: list the stories |
| 43 | * present in the library</li> |
| 44 | * </ol> |
| 45 | */ |
| 46 | public static void main(String[] args) { |
| 47 | int exitCode = 255; |
| 48 | |
| 49 | if (args.length > 0) { |
| 50 | String action = args[0]; |
| 51 | if (action.equals("--import")) { |
| 52 | if (args.length > 1) { |
| 53 | exitCode = imprt(args[1]); |
| 54 | } |
| 55 | } else if (action.equals("--export")) { |
| 56 | if (args.length > 3) { |
| 57 | exitCode = export(args[1], args[2], args[3]); |
| 58 | } |
| 59 | } else if (action.equals("--convert")) { |
| 60 | if (args.length > 3) { |
| 61 | exitCode = convert( |
| 62 | args[1], |
| 63 | args[2], |
| 64 | args[3], |
| 65 | args.length > 4 ? args[4].toLowerCase().equals( |
| 66 | "+info") : false); |
| 67 | } |
| 68 | } else if (action.equals("--list")) { |
| 69 | exitCode = list(args.length > 1 ? args[1] : null); |
| 70 | } else if (action.equals("--read-url")) { |
| 71 | if (args.length > 1) { |
| 72 | exitCode = read(args[1], args.length > 2 ? args[2] : null, |
| 73 | false); |
| 74 | } |
| 75 | } else if (action.equals("--read")) { |
| 76 | if (args.length > 1) { |
| 77 | exitCode = read(args[1], args.length > 2 ? args[2] : null, |
| 78 | true); |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | if (exitCode == 255) { |
| 84 | syntax(); |
| 85 | } |
| 86 | |
| 87 | if (exitCode != 0) { |
| 88 | System.exit(exitCode); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Return an {@link URL} from this {@link String}, be it a file path or an |
| 94 | * actual {@link URL}. |
| 95 | * |
| 96 | * @param sourceString |
| 97 | * the source |
| 98 | * |
| 99 | * @return the corresponding {@link URL} |
| 100 | * |
| 101 | * @throws MalformedURLException |
| 102 | * if this is neither a file nor a conventional {@link URL} |
| 103 | */ |
| 104 | private static URL getUrl(String sourceString) throws MalformedURLException { |
| 105 | if (sourceString == null || sourceString.isEmpty()) { |
| 106 | throw new MalformedURLException("Empty url"); |
| 107 | } |
| 108 | |
| 109 | URL source = null; |
| 110 | try { |
| 111 | source = new URL(sourceString); |
| 112 | } catch (MalformedURLException e) { |
| 113 | File sourceFile = new File(sourceString); |
| 114 | source = sourceFile.toURI().toURL(); |
| 115 | } |
| 116 | |
| 117 | return source; |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Import the given resource into the {@link Library}. |
| 122 | * |
| 123 | * @param sourceString |
| 124 | * the resource to import |
| 125 | * |
| 126 | * @return the exit return code (0 = success) |
| 127 | */ |
| 128 | private static int imprt(String sourceString) { |
| 129 | try { |
| 130 | Story story = Instance.getLibrary().imprt(getUrl(sourceString)); |
| 131 | System.out.println(story.getMeta().getLuid() + ": \"" |
| 132 | + story.getMeta().getTitle() + "\" imported."); |
| 133 | } catch (IOException e) { |
| 134 | Instance.syserr(e); |
| 135 | return 1; |
| 136 | } |
| 137 | |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Export the {@link Story} from the {@link Library} to the given target. |
| 143 | * |
| 144 | * @param sourceString |
| 145 | * the story LUID |
| 146 | * @param typeString |
| 147 | * the {@link OutputType} to use |
| 148 | * @param target |
| 149 | * the target |
| 150 | * |
| 151 | * @return the exit return code (0 = success) |
| 152 | */ |
| 153 | private static int export(String sourceString, String typeString, |
| 154 | String target) { |
| 155 | OutputType type = OutputType.valueOfNullOkUC(typeString); |
| 156 | if (type == null) { |
| 157 | Instance.syserr(new Exception(trans(StringId.OUTPUT_DESC, |
| 158 | typeString))); |
| 159 | return 1; |
| 160 | } |
| 161 | |
| 162 | try { |
| 163 | Story story = Instance.getLibrary().imprt(new URL(sourceString)); |
| 164 | Instance.getLibrary().export(story.getMeta().getLuid(), type, |
| 165 | target); |
| 166 | } catch (IOException e) { |
| 167 | Instance.syserr(e); |
| 168 | return 4; |
| 169 | } |
| 170 | |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * List the stories of the given type from the {@link Library} (unless NULL |
| 176 | * is passed, in which case all stories will be listed). |
| 177 | * |
| 178 | * @param typeString |
| 179 | * the {@link SupportType} to list the known stories of, or NULL |
| 180 | * to list all stories |
| 181 | * |
| 182 | * @return the exit return code (0 = success) |
| 183 | */ |
| 184 | private static int list(String typeString) { |
| 185 | SupportType type = null; |
| 186 | try { |
| 187 | type = SupportType.valueOfNullOkUC(typeString); |
| 188 | } catch (Exception e) { |
| 189 | Instance.syserr(new Exception( |
| 190 | trans(StringId.INPUT_DESC, typeString), e)); |
| 191 | return 1; |
| 192 | } |
| 193 | |
| 194 | CliReader.list(type); |
| 195 | |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Start the CLI reader for this {@link Story}. |
| 201 | * |
| 202 | * @param story |
| 203 | * the LUID of the {@link Story} in the {@link Library} <b>or</b> |
| 204 | * the {@link Story} {@link URL} |
| 205 | * @param chap |
| 206 | * which {@link Chapter} to read (starting at 1), or NULL to get |
| 207 | * the {@link Story} description |
| 208 | * @param library |
| 209 | * TRUE if the source is the {@link Story} LUID, FALSE if it is a |
| 210 | * {@link URL} |
| 211 | * |
| 212 | * @return the exit return code (0 = success) |
| 213 | */ |
| 214 | private static int read(String story, String chap, boolean library) { |
| 215 | try { |
| 216 | CliReader reader; |
| 217 | if (library) { |
| 218 | reader = new CliReader(story); |
| 219 | } else { |
| 220 | reader = new CliReader(getUrl(story)); |
| 221 | } |
| 222 | |
| 223 | if (chap != null) { |
| 224 | reader.read(Integer.parseInt(chap)); |
| 225 | } else { |
| 226 | reader.read(); |
| 227 | } |
| 228 | } catch (IOException e) { |
| 229 | Instance.syserr(e); |
| 230 | return 1; |
| 231 | } |
| 232 | |
| 233 | return 0; |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Convert the {@link Story} into another format. |
| 238 | * |
| 239 | * @param sourceString |
| 240 | * the source {@link Story} to convert |
| 241 | * @param typeString |
| 242 | * the {@link OutputType} to convert to |
| 243 | * @param filename |
| 244 | * the target file |
| 245 | * @param infoCover |
| 246 | * TRUE to also export the cover and info file, even if the given |
| 247 | * {@link OutputType} does not usually save them |
| 248 | * |
| 249 | * @return the exit return code (0 = success) |
| 250 | */ |
| 251 | private static int convert(String sourceString, String typeString, |
| 252 | String filename, boolean infoCover) { |
| 253 | int exitCode = 0; |
| 254 | |
| 255 | String sourceName = sourceString; |
| 256 | try { |
| 257 | URL source = getUrl(sourceString); |
| 258 | sourceName = source.toString(); |
| 259 | if (source.toString().startsWith("file://")) { |
| 260 | sourceName = sourceName.substring("file://".length()); |
| 261 | } |
| 262 | |
| 263 | OutputType type = OutputType.valueOfAllOkUC(typeString); |
| 264 | if (type == null) { |
| 265 | Instance.syserr(new IOException(trans( |
| 266 | StringId.ERR_BAD_OUTPUT_TYPE, typeString))); |
| 267 | |
| 268 | exitCode = 2; |
| 269 | } else { |
| 270 | try { |
| 271 | BasicSupport support = BasicSupport.getSupport(source); |
| 272 | if (support != null) { |
| 273 | Story story = support.process(source); |
| 274 | |
| 275 | try { |
| 276 | filename = new File(filename).getAbsolutePath(); |
| 277 | BasicOutput.getOutput(type, infoCover).process( |
| 278 | story, filename); |
| 279 | } catch (IOException e) { |
| 280 | Instance.syserr(new IOException(trans( |
| 281 | StringId.ERR_SAVING, filename), e)); |
| 282 | exitCode = 5; |
| 283 | } |
| 284 | } else { |
| 285 | Instance.syserr(new IOException(trans( |
| 286 | StringId.ERR_NOT_SUPPORTED, source))); |
| 287 | |
| 288 | exitCode = 4; |
| 289 | } |
| 290 | } catch (IOException e) { |
| 291 | Instance.syserr(new IOException(trans(StringId.ERR_LOADING, |
| 292 | sourceName), e)); |
| 293 | exitCode = 3; |
| 294 | } |
| 295 | } |
| 296 | } catch (MalformedURLException e) { |
| 297 | Instance.syserr(new IOException(trans(StringId.ERR_BAD_URL, |
| 298 | sourceName), e)); |
| 299 | exitCode = 1; |
| 300 | } |
| 301 | |
| 302 | return exitCode; |
| 303 | } |
| 304 | |
| 305 | /** |
| 306 | * Simple shortcut method to call {link Instance#getTrans()#getString()}. |
| 307 | * |
| 308 | * @param id |
| 309 | * the ID to translate |
| 310 | * |
| 311 | * @return the translated result |
| 312 | */ |
| 313 | private static String trans(StringId id, Object... params) { |
| 314 | return Instance.getTrans().getString(id, params); |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * Display the correct syntax of the program to the user. |
| 319 | */ |
| 320 | private static void syntax() { |
| 321 | StringBuilder builder = new StringBuilder(); |
| 322 | for (SupportType type : SupportType.values()) { |
| 323 | builder.append(trans(StringId.ERR_SYNTAX_TYPE, type.toString(), |
| 324 | type.getDesc())); |
| 325 | builder.append('\n'); |
| 326 | } |
| 327 | |
| 328 | String typesIn = builder.toString(); |
| 329 | builder.setLength(0); |
| 330 | |
| 331 | for (OutputType type : OutputType.values()) { |
| 332 | builder.append(trans(StringId.ERR_SYNTAX_TYPE, type.toString(), |
| 333 | type.getDesc())); |
| 334 | builder.append('\n'); |
| 335 | } |
| 336 | |
| 337 | String typesOut = builder.toString(); |
| 338 | |
| 339 | System.err.println(trans(StringId.ERR_SYNTAX, typesIn, typesOut)); |
| 340 | } |
| 341 | } |