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| 1 | +/* | |
| 2 | + * Copyright (c) 2005, 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 | + */ | |
| 25 | + | |
| 26 | +package com.sun.tools.script.shell; | |
| 27 | + | |
| 28 | +import java.io.*; | |
| 29 | +import java.net.*; | |
| 30 | +import java.text.*; | |
| 31 | +import java.util.*; | |
| 32 | +import javax.script.*; | |
| 33 | + | |
| 34 | +/** | |
| 35 | + * This is the main class for Java script shell. | |
| 36 | + */ | |
| 37 | +public class Main { | |
| 38 | + /** | |
| 39 | + * main entry point to the command line tool | |
| 40 | + * @param args command line argument array | |
| 41 | + */ | |
| 42 | + public static void main(String[] args) { | |
| 43 | + // parse command line options | |
| 44 | + String[] scriptArgs = processOptions(args); | |
| 45 | + | |
| 46 | + // process each script command | |
| 47 | + for (Command cmd : scripts) { | |
| 48 | + cmd.run(scriptArgs); | |
| 49 | + } | |
| 50 | + | |
| 51 | + System.exit(EXIT_SUCCESS); | |
| 52 | + } | |
| 53 | + | |
| 54 | + // Each -e or -f or interactive mode is represented | |
| 55 | + // by an instance of Command. | |
| 56 | + private static interface Command { | |
| 57 | + public void run(String[] arguments); | |
| 58 | + } | |
| 59 | + | |
| 60 | + /** | |
| 61 | + * Parses and processes command line options. | |
| 62 | + * @param args command line argument array | |
| 63 | + */ | |
| 64 | + private static String[] processOptions(String[] args) { | |
| 65 | + // current scripting language selected | |
| 66 | + String currentLanguage = DEFAULT_LANGUAGE; | |
| 67 | + // current script file encoding selected | |
| 68 | + String currentEncoding = null; | |
| 69 | + | |
| 70 | + // check for -classpath or -cp first | |
| 71 | + checkClassPath(args); | |
| 72 | + | |
| 73 | + // have we seen -e or -f ? | |
| 74 | + boolean seenScript = false; | |
| 75 | + // have we seen -f - already? | |
| 76 | + boolean seenStdin = false; | |
| 77 | + for (int i=0; i < args.length; i++) { | |
| 78 | + String arg = args[i]; | |
| 79 | + if (arg.equals("-classpath") || | |
| 80 | + arg.equals("-cp")) { | |
| 81 | + // handled already, just continue | |
| 82 | + i++; | |
| 83 | + continue; | |
| 84 | + } | |
| 85 | + | |
| 86 | + // collect non-option arguments and pass these as script arguments | |
| 87 | + if (!arg.startsWith("-")) { | |
| 88 | + int numScriptArgs; | |
| 89 | + int startScriptArg; | |
| 90 | + if (seenScript) { | |
| 91 | + // if we have seen -e or -f already all non-option arguments | |
| 92 | + // are passed as script arguments | |
| 93 | + numScriptArgs = args.length - i; | |
| 94 | + startScriptArg = i; | |
| 95 | + } else { | |
| 96 | + // if we have not seen -e or -f, first non-option argument | |
| 97 | + // is treated as script file name and rest of the non-option | |
| 98 | + // arguments are passed to script as script arguments | |
| 99 | + numScriptArgs = args.length - i - 1; | |
| 100 | + startScriptArg = i + 1; | |
| 101 | + ScriptEngine se = getScriptEngine(currentLanguage); | |
| 102 | + addFileSource(se, args[i], currentEncoding); | |
| 103 | + } | |
| 104 | + // collect script arguments and return to main | |
| 105 | + String[] result = new String[numScriptArgs]; | |
| 106 | + System.arraycopy(args, startScriptArg, result, 0, numScriptArgs); | |
| 107 | + return result; | |
| 108 | + } | |
| 109 | + | |
| 110 | + if (arg.startsWith("-D")) { | |
| 111 | + String value = arg.substring(2); | |
| 112 | + int eq = value.indexOf('='); | |
| 113 | + if (eq != -1) { | |
| 114 | + System.setProperty(value.substring(0, eq), | |
| 115 | + value.substring(eq + 1)); | |
| 116 | + } else { | |
| 117 | + if (!value.equals("")) { | |
| 118 | + System.setProperty(value, ""); | |
| 119 | + } else { | |
| 120 | + // do not allow empty property name | |
| 121 | + usage(EXIT_CMD_NO_PROPNAME); | |
| 122 | + } | |
| 123 | + } | |
| 124 | + continue; | |
| 125 | + } else if (arg.equals("-?") || arg.equals("-help")) { | |
| 126 | + usage(EXIT_SUCCESS); | |
| 127 | + } else if (arg.equals("-e")) { | |
| 128 | + seenScript = true; | |
| 129 | + if (++i == args.length) | |
| 130 | + usage(EXIT_CMD_NO_SCRIPT); | |
| 131 | + | |
| 132 | + ScriptEngine se = getScriptEngine(currentLanguage); | |
| 133 | + addStringSource(se, args[i]); | |
| 134 | + continue; | |
| 135 | + } else if (arg.equals("-encoding")) { | |
| 136 | + if (++i == args.length) | |
| 137 | + usage(EXIT_CMD_NO_ENCODING); | |
| 138 | + currentEncoding = args[i]; | |
| 139 | + continue; | |
| 140 | + } else if (arg.equals("-f")) { | |
| 141 | + seenScript = true; | |
| 142 | + if (++i == args.length) | |
| 143 | + usage(EXIT_CMD_NO_FILE); | |
| 144 | + ScriptEngine se = getScriptEngine(currentLanguage); | |
| 145 | + if (args[i].equals("-")) { | |
| 146 | + if (seenStdin) { | |
| 147 | + usage(EXIT_MULTIPLE_STDIN); | |
| 148 | + } else { | |
| 149 | + seenStdin = true; | |
| 150 | + } | |
| 151 | + addInteractiveMode(se); | |
| 152 | + } else { | |
| 153 | + addFileSource(se, args[i], currentEncoding); | |
| 154 | + } | |
| 155 | + continue; | |
| 156 | + } else if (arg.equals("-l")) { | |
| 157 | + if (++i == args.length) | |
| 158 | + usage(EXIT_CMD_NO_LANG); | |
| 159 | + currentLanguage = args[i]; | |
| 160 | + continue; | |
| 161 | + } else if (arg.equals("-q")) { | |
| 162 | + listScriptEngines(); | |
| 163 | + } | |
| 164 | + // some unknown option... | |
| 165 | + usage(EXIT_UNKNOWN_OPTION); | |
| 166 | + } | |
| 167 | + | |
| 168 | + if (! seenScript) { | |
| 169 | + ScriptEngine se = getScriptEngine(currentLanguage); | |
| 170 | + addInteractiveMode(se); | |
| 171 | + } | |
| 172 | + return new String[0]; | |
| 173 | + } | |
| 174 | + | |
| 175 | + /** | |
| 176 | + * Adds interactive mode Command | |
| 177 | + * @param se ScriptEngine to use in interactive mode. | |
| 178 | + */ | |
| 179 | + private static void addInteractiveMode(final ScriptEngine se) { | |
| 180 | + scripts.add(new Command() { | |
| 181 | + public void run(String[] args) { | |
| 182 | + setScriptArguments(se, args); | |
| 183 | + processSource(se, "-", null); | |
| 184 | + } | |
| 185 | + }); | |
| 186 | + } | |
| 187 | + | |
| 188 | + /** | |
| 189 | + * Adds script source file Command | |
| 190 | + * @param se ScriptEngine used to evaluate the script file | |
| 191 | + * @param fileName script file name | |
| 192 | + * @param encoding script file encoding | |
| 193 | + */ | |
| 194 | + private static void addFileSource(final ScriptEngine se, | |
| 195 | + final String fileName, | |
| 196 | + final String encoding) { | |
| 197 | + scripts.add(new Command() { | |
| 198 | + public void run(String[] args) { | |
| 199 | + setScriptArguments(se, args); | |
| 200 | + processSource(se, fileName, encoding); | |
| 201 | + } | |
| 202 | + }); | |
| 203 | + } | |
| 204 | + | |
| 205 | + /** | |
| 206 | + * Adds script string source Command | |
| 207 | + * @param se ScriptEngine to be used to evaluate the script string | |
| 208 | + * @param source Script source string | |
| 209 | + */ | |
| 210 | + private static void addStringSource(final ScriptEngine se, | |
| 211 | + final String source) { | |
| 212 | + scripts.add(new Command() { | |
| 213 | + public void run(String[] args) { | |
| 214 | + setScriptArguments(se, args); | |
| 215 | + String oldFile = setScriptFilename(se, "<string>"); | |
| 216 | + try { | |
| 217 | + evaluateString(se, source); | |
| 218 | + } finally { | |
| 219 | + setScriptFilename(se, oldFile); | |
| 220 | + } | |
| 221 | + } | |
| 222 | + }); | |
| 223 | + } | |
| 224 | + | |
| 225 | + /** | |
| 226 | + * Prints list of script engines available and exits. | |
| 227 | + */ | |
| 228 | + private static void listScriptEngines() { | |
| 229 | + List<ScriptEngineFactory> factories = engineManager.getEngineFactories(); | |
| 230 | + for (ScriptEngineFactory factory: factories) { | |
| 231 | + getError().println(getMessage("engine.info", | |
| 232 | + new Object[] { factory.getLanguageName(), | |
| 233 | + factory.getLanguageVersion(), | |
| 234 | + factory.getEngineName(), | |
| 235 | + factory.getEngineVersion() | |
| 236 | + })); | |
| 237 | + } | |
| 238 | + System.exit(EXIT_SUCCESS); | |
| 239 | + } | |
| 240 | + | |
| 241 | + /** | |
| 242 | + * Processes a given source file or standard input. | |
| 243 | + * @param se ScriptEngine to be used to evaluate | |
| 244 | + * @param filename file name, can be null | |
| 245 | + * @param encoding script file encoding, can be null | |
| 246 | + */ | |
| 247 | + private static void processSource(ScriptEngine se, String filename, | |
| 248 | + String encoding) { | |
| 249 | + if (filename.equals("-")) { | |
| 250 | + BufferedReader in = new BufferedReader | |
| 251 | + (new InputStreamReader(getIn())); | |
| 252 | + boolean hitEOF = false; | |
| 253 | + String prompt = getPrompt(se); | |
| 254 | + se.put(ScriptEngine.FILENAME, "<STDIN>"); | |
| 255 | + while (!hitEOF) { | |
| 256 | + getError().print(prompt); | |
| 257 | + String source = ""; | |
| 258 | + try { | |
| 259 | + source = in.readLine(); | |
| 260 | + } catch (IOException ioe) { | |
| 261 | + getError().println(ioe.toString()); | |
| 262 | + } | |
| 263 | + if (source == null) { | |
| 264 | + hitEOF = true; | |
| 265 | + break; | |
| 266 | + } | |
| 267 | + Object res = evaluateString(se, source, false); | |
| 268 | + if (res != null) { | |
| 269 | + res = res.toString(); | |
| 270 | + if (res == null) { | |
| 271 | + res = "null"; | |
| 272 | + } | |
| 273 | + getError().println(res); | |
| 274 | + } | |
| 275 | + } | |
| 276 | + } else { | |
| 277 | + FileInputStream fis = null; | |
| 278 | + try { | |
| 279 | + fis = new FileInputStream(filename); | |
| 280 | + } catch (FileNotFoundException fnfe) { | |
| 281 | + getError().println(getMessage("file.not.found", | |
| 282 | + new Object[] { filename })); | |
| 283 | + System.exit(EXIT_FILE_NOT_FOUND); | |
| 284 | + } | |
| 285 | + evaluateStream(se, fis, filename, encoding); | |
| 286 | + } | |
| 287 | + } | |
| 288 | + | |
| 289 | + /** | |
| 290 | + * Evaluates given script source | |
| 291 | + * @param se ScriptEngine to evaluate the string | |
| 292 | + * @param script Script source string | |
| 293 | + * @param exitOnError whether to exit the process on script error | |
| 294 | + */ | |
| 295 | + private static Object evaluateString(ScriptEngine se, | |
| 296 | + String script, boolean exitOnError) { | |
| 297 | + try { | |
| 298 | + return se.eval(script); | |
| 299 | + } catch (ScriptException sexp) { | |
| 300 | + getError().println(getMessage("string.script.error", | |
| 301 | + new Object[] { sexp.getMessage() })); | |
| 302 | + if (exitOnError) | |
| 303 | + System.exit(EXIT_SCRIPT_ERROR); | |
| 304 | + } catch (Exception exp) { | |
| 305 | + exp.printStackTrace(getError()); | |
| 306 | + if (exitOnError) | |
| 307 | + System.exit(EXIT_SCRIPT_ERROR); | |
| 308 | + } | |
| 309 | + | |
| 310 | + return null; | |
| 311 | + } | |
| 312 | + | |
| 313 | + /** | |
| 314 | + * Evaluate script string source and exit on script error | |
| 315 | + * @param se ScriptEngine to evaluate the string | |
| 316 | + * @param script Script source string | |
| 317 | + */ | |
| 318 | + private static void evaluateString(ScriptEngine se, String script) { | |
| 319 | + evaluateString(se, script, true); | |
| 320 | + } | |
| 321 | + | |
| 322 | + /** | |
| 323 | + * Evaluates script from given reader | |
| 324 | + * @param se ScriptEngine to evaluate the string | |
| 325 | + * @param reader Reader from which is script is read | |
| 326 | + * @param name file name to report in error. | |
| 327 | + */ | |
| 328 | + private static Object evaluateReader(ScriptEngine se, | |
| 329 | + Reader reader, String name) { | |
| 330 | + String oldFilename = setScriptFilename(se, name); | |
| 331 | + try { | |
| 332 | + return se.eval(reader); | |
| 333 | + } catch (ScriptException sexp) { | |
| 334 | + getError().println(getMessage("file.script.error", | |
| 335 | + new Object[] { name, sexp.getMessage() })); | |
| 336 | + System.exit(EXIT_SCRIPT_ERROR); | |
| 337 | + } catch (Exception exp) { | |
| 338 | + exp.printStackTrace(getError()); | |
| 339 | + System.exit(EXIT_SCRIPT_ERROR); | |
| 340 | + } finally { | |
| 341 | + setScriptFilename(se, oldFilename); | |
| 342 | + } | |
| 343 | + return null; | |
| 344 | + } | |
| 345 | + | |
| 346 | + /** | |
| 347 | + * Evaluates given input stream | |
| 348 | + * @param se ScriptEngine to evaluate the string | |
| 349 | + * @param is InputStream from which script is read | |
| 350 | + * @param name file name to report in error | |
| 351 | + */ | |
| 352 | + private static Object evaluateStream(ScriptEngine se, | |
| 353 | + InputStream is, String name, | |
| 354 | + String encoding) { | |
| 355 | + BufferedReader reader = null; | |
| 356 | + if (encoding != null) { | |
| 357 | + try { | |
| 358 | + reader = new BufferedReader(new InputStreamReader(is, | |
| 359 | + encoding)); | |
| 360 | + } catch (UnsupportedEncodingException uee) { | |
| 361 | + getError().println(getMessage("encoding.unsupported", | |
| 362 | + new Object[] { encoding })); | |
| 363 | + System.exit(EXIT_NO_ENCODING_FOUND); | |
| 364 | + } | |
| 365 | + } else { | |
| 366 | + reader = new BufferedReader(new InputStreamReader(is)); | |
| 367 | + } | |
| 368 | + return evaluateReader(se, reader, name); | |
| 369 | + } | |
| 370 | + | |
| 371 | + /** | |
| 372 | + * Prints usage message and exits | |
| 373 | + * @param exitCode process exit code | |
| 374 | + */ | |
| 375 | + private static void usage(int exitCode) { | |
| 376 | + getError().println(getMessage("main.usage", | |
| 377 | + new Object[] { PROGRAM_NAME })); | |
| 378 | + System.exit(exitCode); | |
| 379 | + } | |
| 380 | + | |
| 381 | + /** | |
| 382 | + * Gets prompt for interactive mode | |
| 383 | + * @return prompt string to use | |
| 384 | + */ | |
| 385 | + private static String getPrompt(ScriptEngine se) { | |
| 386 | + List<String> names = se.getFactory().getNames(); | |
| 387 | + return names.get(0) + "> "; | |
| 388 | + } | |
| 389 | + | |
| 390 | + /** | |
| 391 | + * Get formatted, localized error message | |
| 392 | + */ | |
| 393 | + private static String getMessage(String key, Object[] params) { | |
| 394 | + return MessageFormat.format(msgRes.getString(key), params); | |
| 395 | + } | |
| 396 | + | |
| 397 | + // input stream from where we will read | |
| 398 | + private static InputStream getIn() { | |
| 399 | + return System.in; | |
| 400 | + } | |
| 401 | + | |
| 402 | + // stream to print error messages | |
| 403 | + private static PrintStream getError() { | |
| 404 | + return System.err; | |
| 405 | + } | |
| 406 | + | |
| 407 | + // get current script engine | |
| 408 | + private static ScriptEngine getScriptEngine(String lang) { | |
| 409 | + ScriptEngine se = engines.get(lang); | |
| 410 | + if (se == null) { | |
| 411 | + se = engineManager.getEngineByName(lang); | |
| 412 | + if (se == null) { | |
| 413 | + getError().println(getMessage("engine.not.found", | |
| 414 | + new Object[] { lang })); | |
| 415 | + System.exit(EXIT_ENGINE_NOT_FOUND); | |
| 416 | + } | |
| 417 | + | |
| 418 | + // initialize the engine | |
| 419 | + initScriptEngine(se); | |
| 420 | + // to avoid re-initialization of engine, store it in a map | |
| 421 | + engines.put(lang, se); | |
| 422 | + } | |
| 423 | + return se; | |
| 424 | + } | |
| 425 | + | |
| 426 | + // initialize a given script engine | |
| 427 | + private static void initScriptEngine(ScriptEngine se) { | |
| 428 | + // put engine global variable | |
| 429 | + se.put("engine", se); | |
| 430 | + | |
| 431 | + // load init.<ext> file from resource | |
| 432 | + List<String> exts = se.getFactory().getExtensions(); | |
| 433 | + InputStream sysIn = null; | |
| 434 | + ClassLoader cl = Thread.currentThread().getContextClassLoader(); | |
| 435 | + for (String ext : exts) { | |
| 436 | + sysIn = cl.getResourceAsStream("com/sun/tools/script/shell/init." + | |
| 437 | + ext); | |
| 438 | + if (sysIn != null) break; | |
| 439 | + } | |
| 440 | + if (sysIn != null) { | |
| 441 | + evaluateStream(se, sysIn, "<system-init>", null); | |
| 442 | + } | |
| 443 | + } | |
| 444 | + | |
| 445 | + /** | |
| 446 | + * Checks for -classpath, -cp in command line args. Creates a ClassLoader | |
| 447 | + * and sets it as Thread context loader for current thread. | |
| 448 | + * | |
| 449 | + * @param args command line argument array | |
| 450 | + */ | |
| 451 | + private static void checkClassPath(String[] args) { | |
| 452 | + String classPath = null; | |
| 453 | + for (int i = 0; i < args.length; i++) { | |
| 454 | + if (args[i].equals("-classpath") || | |
| 455 | + args[i].equals("-cp")) { | |
| 456 | + if (++i == args.length) { | |
| 457 | + // just -classpath or -cp with no value | |
| 458 | + usage(EXIT_CMD_NO_CLASSPATH); | |
| 459 | + } else { | |
| 460 | + classPath = args[i]; | |
| 461 | + } | |
| 462 | + } | |
| 463 | + } | |
| 464 | + | |
| 465 | + if (classPath != null) { | |
| 466 | + /* We create a class loader, configure it with specified | |
| 467 | + * classpath values and set the same as context loader. | |
| 468 | + * Note that ScriptEngineManager uses context loader to | |
| 469 | + * load script engines. So, this ensures that user defined | |
| 470 | + * script engines will be loaded. For classes referred | |
| 471 | + * from scripts, Rhino engine uses thread context loader | |
| 472 | + * but this is script engine dependent. We don't have | |
| 473 | + * script engine independent solution anyway. Unless we | |
| 474 | + * know the class loader used by a specific engine, we | |
| 475 | + * can't configure correct loader. | |
| 476 | + */ | |
| 477 | + ClassLoader parent = Main.class.getClassLoader(); | |
| 478 | + URL[] urls = pathToURLs(classPath); | |
| 479 | + URLClassLoader loader = new URLClassLoader(urls, parent); | |
| 480 | + Thread.currentThread().setContextClassLoader(loader); | |
| 481 | + } | |
| 482 | + | |
| 483 | + // now initialize script engine manager. Note that this has to | |
| 484 | + // be done after setting the context loader so that manager | |
| 485 | + // will see script engines from user specified classpath | |
| 486 | + engineManager = new ScriptEngineManager(); | |
| 487 | + } | |
| 488 | + | |
| 489 | + /** | |
| 490 | + * Utility method for converting a search path string to an array | |
| 491 | + * of directory and JAR file URLs. | |
| 492 | + * | |
| 493 | + * @param path the search path string | |
| 494 | + * @return the resulting array of directory and JAR file URLs | |
| 495 | + */ | |
| 496 | + private static URL[] pathToURLs(String path) { | |
| 497 | + String[] components = path.split(File.pathSeparator); | |
| 498 | + URL[] urls = new URL[components.length]; | |
| 499 | + int count = 0; | |
| 500 | + while(count < components.length) { | |
| 501 | + URL url = fileToURL(new File(components[count])); | |
| 502 | + if (url != null) { | |
| 503 | + urls[count++] = url; | |
| 504 | + } | |
| 505 | + } | |
| 506 | + if (urls.length != count) { | |
| 507 | + URL[] tmp = new URL[count]; | |
| 508 | + System.arraycopy(urls, 0, tmp, 0, count); | |
| 509 | + urls = tmp; | |
| 510 | + } | |
| 511 | + return urls; | |
| 512 | + } | |
| 513 | + | |
| 514 | + /** | |
| 515 | + * Returns the directory or JAR file URL corresponding to the specified | |
| 516 | + * local file name. | |
| 517 | + * | |
| 518 | + * @param file the File object | |
| 519 | + * @return the resulting directory or JAR file URL, or null if unknown | |
| 520 | + */ | |
| 521 | + private static URL fileToURL(File file) { | |
| 522 | + String name; | |
| 523 | + try { | |
| 524 | + name = file.getCanonicalPath(); | |
| 525 | + } catch (IOException e) { | |
| 526 | + name = file.getAbsolutePath(); | |
| 527 | + } | |
| 528 | + name = name.replace(File.separatorChar, '/'); | |
| 529 | + if (!name.startsWith("/")) { | |
| 530 | + name = "/" + name; | |
| 531 | + } | |
| 532 | + // If the file does not exist, then assume that it's a directory | |
| 533 | + if (!file.isFile()) { | |
| 534 | + name = name + "/"; | |
| 535 | + } | |
| 536 | + try { | |
| 537 | + return new URL("file", "", name); | |
| 538 | + } catch (MalformedURLException e) { | |
| 539 | + throw new IllegalArgumentException("file"); | |
| 540 | + } | |
| 541 | + } | |
| 542 | + | |
| 543 | + private static void setScriptArguments(ScriptEngine se, String[] args) { | |
| 544 | + se.put("arguments", args); | |
| 545 | + se.put(ScriptEngine.ARGV, args); | |
| 546 | + } | |
| 547 | + | |
| 548 | + private static String setScriptFilename(ScriptEngine se, String name) { | |
| 549 | + String oldName = (String) se.get(ScriptEngine.FILENAME); | |
| 550 | + se.put(ScriptEngine.FILENAME, name); | |
| 551 | + return oldName; | |
| 552 | + } | |
| 553 | + | |
| 554 | + // exit codes | |
| 555 | + private static final int EXIT_SUCCESS = 0; | |
| 556 | + private static final int EXIT_CMD_NO_CLASSPATH = 1; | |
| 557 | + private static final int EXIT_CMD_NO_FILE = 2; | |
| 558 | + private static final int EXIT_CMD_NO_SCRIPT = 3; | |
| 559 | + private static final int EXIT_CMD_NO_LANG = 4; | |
| 560 | + private static final int EXIT_CMD_NO_ENCODING = 5; | |
| 561 | + private static final int EXIT_CMD_NO_PROPNAME = 6; | |
| 562 | + private static final int EXIT_UNKNOWN_OPTION = 7; | |
| 563 | + private static final int EXIT_ENGINE_NOT_FOUND = 8; | |
| 564 | + private static final int EXIT_NO_ENCODING_FOUND = 9; | |
| 565 | + private static final int EXIT_SCRIPT_ERROR = 10; | |
| 566 | + private static final int EXIT_FILE_NOT_FOUND = 11; | |
| 567 | + private static final int EXIT_MULTIPLE_STDIN = 12; | |
| 568 | + | |
| 569 | + // default scripting language | |
| 570 | + private static final String DEFAULT_LANGUAGE = "js"; | |
| 571 | + // list of scripts to process | |
| 572 | + private static List<Command> scripts; | |
| 573 | + // the script engine manager | |
| 574 | + private static ScriptEngineManager engineManager; | |
| 575 | + // map of engines we loaded | |
| 576 | + private static Map<String, ScriptEngine> engines; | |
| 577 | + // error messages resource | |
| 578 | + private static ResourceBundle msgRes; | |
| 579 | + private static String BUNDLE_NAME = "com.sun.tools.script.shell.messages"; | |
| 580 | + private static String PROGRAM_NAME = "jrunscript"; | |
| 581 | + | |
| 582 | + static { | |
| 583 | + scripts = new ArrayList<Command>(); | |
| 584 | + engines = new HashMap<String, ScriptEngine>(); | |
| 585 | + msgRes = ResourceBundle.getBundle(BUNDLE_NAME, Locale.getDefault()); | |
| 586 | + } | |
| 587 | +} | |
| @@ -0,0 +1,884 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 2005, 2010, 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 | + */ | |
| 25 | + | |
| 26 | +/** | |
| 27 | + * jrunscript JavaScript built-in functions and objects. | |
| 28 | + */ | |
| 29 | + | |
| 30 | +/** | |
| 31 | + * Creates an object that delegates all method calls on | |
| 32 | + * it to the 'invoke' method on the given delegate object.<br> | |
| 33 | + * | |
| 34 | + * Example: | |
| 35 | + * <pre> | |
| 36 | + * <code> | |
| 37 | + * var x = { invoke: function(name, args) { //code...} | |
| 38 | + * var y = new JSInvoker(x); | |
| 39 | + * y.func(3, 3); // calls x.invoke('func', args); where args is array of arguments | |
| 40 | + * </code> | |
| 41 | + * </pre> | |
| 42 | + * @param obj object to be wrapped by JSInvoker | |
| 43 | + * @constructor | |
| 44 | + */ | |
| 45 | +function JSInvoker(obj) { | |
| 46 | + return new JSAdapter({ | |
| 47 | + __get__ : function(name) { | |
| 48 | + return function() { | |
| 49 | + return obj.invoke(name, arguments); | |
| 50 | + } | |
| 51 | + } | |
| 52 | + }); | |
| 53 | +} | |
| 54 | + | |
| 55 | +/** | |
| 56 | + * This variable represents OS environment. Environment | |
| 57 | + * variables can be accessed as fields of this object. For | |
| 58 | + * example, env.PATH will return PATH value configured. | |
| 59 | + */ | |
| 60 | +var env = new JSAdapter({ | |
| 61 | + __get__ : function (name) { | |
| 62 | + return java.lang.System.getenv(name); | |
| 63 | + }, | |
| 64 | + __has__ : function (name) { | |
| 65 | + return java.lang.System.getenv().containsKey(name); | |
| 66 | + }, | |
| 67 | + __getIds__ : function() { | |
| 68 | + return java.lang.System.getenv().keySet().toArray(); | |
| 69 | + }, | |
| 70 | + __delete__ : function(name) { | |
| 71 | + println("can't delete env item"); | |
| 72 | + }, | |
| 73 | + __put__ : function (name, value) { | |
| 74 | + println("can't change env item"); | |
| 75 | + }, | |
| 76 | + toString: function() { | |
| 77 | + return java.lang.System.getenv().toString(); | |
| 78 | + } | |
| 79 | +}); | |
| 80 | + | |
| 81 | +/** | |
| 82 | + * Creates a convenient script object to deal with java.util.Map instances. | |
| 83 | + * The result script object's field names are keys of the Map. For example, | |
| 84 | + * scriptObj.keyName can be used to access value associated with given key.<br> | |
| 85 | + * Example: | |
| 86 | + * <pre> | |
| 87 | + * <code> | |
| 88 | + * var x = java.lang.SystemProperties(); | |
| 89 | + * var y = jmap(x); | |
| 90 | + * println(y['java.class.path']); // prints java.class.path System property | |
| 91 | + * delete y['java.class.path']; // remove java.class.path System property | |
| 92 | + * </code> | |
| 93 | + * </pre> | |
| 94 | + * | |
| 95 | + * @param map java.util.Map instance that will be wrapped | |
| 96 | + * @constructor | |
| 97 | + */ | |
| 98 | +function jmap(map) { | |
| 99 | + return new JSAdapter({ | |
| 100 | + __get__ : function(name) { | |
| 101 | + if (map.containsKey(name)) { | |
| 102 | + return map.get(name); | |
| 103 | + } else { | |
| 104 | + return undefined; | |
| 105 | + } | |
| 106 | + }, | |
| 107 | + __has__ : function(name) { | |
| 108 | + return map.containsKey(name); | |
| 109 | + }, | |
| 110 | + | |
| 111 | + __delete__ : function (name) { | |
| 112 | + return map.remove(name); | |
| 113 | + }, | |
| 114 | + __put__ : function(name, value) { | |
| 115 | + map.put(name, value); | |
| 116 | + }, | |
| 117 | + __getIds__ : function() { | |
| 118 | + return map.keySet().toArray(); | |
| 119 | + }, | |
| 120 | + toString: function() { | |
| 121 | + return map.toString(); | |
| 122 | + } | |
| 123 | + }); | |
| 124 | +} | |
| 125 | + | |
| 126 | +/** | |
| 127 | + * Creates a convenient script object to deal with java.util.List instances. | |
| 128 | + * The result script object behaves like an array. For example, | |
| 129 | + * scriptObj[index] syntax can be used to access values in the List instance. | |
| 130 | + * 'length' field gives size of the List. <br> | |
| 131 | + * | |
| 132 | + * Example: | |
| 133 | + * <pre> | |
| 134 | + * <code> | |
| 135 | + * var x = new java.util.ArrayList(4); | |
| 136 | + * x.add('Java'); | |
| 137 | + * x.add('JavaScript'); | |
| 138 | + * x.add('SQL'); | |
| 139 | + * x.add('XML'); | |
| 140 | + * | |
| 141 | + * var y = jlist(x); | |
| 142 | + * println(y[2]); // prints third element of list | |
| 143 | + * println(y.length); // prints size of the list | |
| 144 | + * | |
| 145 | + * @param map java.util.List instance that will be wrapped | |
| 146 | + * @constructor | |
| 147 | + */ | |
| 148 | +function jlist(list) { | |
| 149 | + function isValid(index) { | |
| 150 | + return typeof(index) == 'number' && | |
| 151 | + index > -1 && index < list.size(); | |
| 152 | + } | |
| 153 | + return new JSAdapter({ | |
| 154 | + __get__ : function(name) { | |
| 155 | + if (isValid(name)) { | |
| 156 | + return list.get(name); | |
| 157 | + } else if (name == 'length') { | |
| 158 | + return list.size(); | |
| 159 | + } else { | |
| 160 | + return undefined; | |
| 161 | + } | |
| 162 | + }, | |
| 163 | + __has__ : function (name) { | |
| 164 | + return isValid(name) || name == 'length'; | |
| 165 | + }, | |
| 166 | + __delete__ : function(name) { | |
| 167 | + if (isValid(name)) { | |
| 168 | + list.remove(name); | |
| 169 | + } | |
| 170 | + }, | |
| 171 | + __put__ : function(name, value) { | |
| 172 | + if (isValid(name)) { | |
| 173 | + list.set(name, value); | |
| 174 | + } | |
| 175 | + }, | |
| 176 | + __getIds__: function() { | |
| 177 | + var res = new Array(list.size()); | |
| 178 | + for (var i = 0; i < res.length; i++) { | |
| 179 | + res[i] = i; | |
| 180 | + } | |
| 181 | + return res; | |
| 182 | + }, | |
| 183 | + toString: function() { | |
| 184 | + return list.toString(); | |
| 185 | + } | |
| 186 | + }); | |
| 187 | +} | |
| 188 | + | |
| 189 | +/** | |
| 190 | + * This is java.lang.System properties wrapped by jmap. | |
| 191 | + * For eg. to access java.class.path property, you can use | |
| 192 | + * the syntax sysProps["java.class.path"] | |
| 193 | + */ | |
| 194 | +var sysProps = jmap(java.lang.System.getProperties()); | |
| 195 | + | |
| 196 | +// stdout, stderr & stdin | |
| 197 | +var out = java.lang.System.out; | |
| 198 | +var err = java.lang.System.err; | |
| 199 | +// can't use 'in' because it is a JavaScript keyword :-( | |
| 200 | +var inp = java.lang.System["in"]; | |
| 201 | + | |
| 202 | +// useful imports for often used io, net classes | |
| 203 | +importPackage(java.io); | |
| 204 | +importPackage(java.net); | |
| 205 | + | |
| 206 | +/** | |
| 207 | + * Generic any object to input stream mapper | |
| 208 | + * @param str input file name, URL or InputStream | |
| 209 | + * @return InputStream object | |
| 210 | + * @private | |
| 211 | + */ | |
| 212 | +function inStream(str) { | |
| 213 | + if (typeof(str) == "string") { | |
| 214 | + // '-' means standard input | |
| 215 | + if (str == '-') { | |
| 216 | + return java.lang.System["in"]; | |
| 217 | + } | |
| 218 | + // try file first | |
| 219 | + var file = null; | |
| 220 | + try { | |
| 221 | + file = pathToFile(str); | |
| 222 | + } catch (e) { | |
| 223 | + } | |
| 224 | + if (file && file.exists()) { | |
| 225 | + return new FileInputStream(file); | |
| 226 | + } else { | |
| 227 | + try { | |
| 228 | + // treat the string as URL | |
| 229 | + return new URL(str).openStream(); | |
| 230 | + } catch (e) { | |
| 231 | + throw 'file or URL ' + str + ' not found'; | |
| 232 | + } | |
| 233 | + } | |
| 234 | + } else { | |
| 235 | + if (str instanceof InputStream) { | |
| 236 | + return str; | |
| 237 | + } else if (str instanceof URL) { | |
| 238 | + return str.openStream(); | |
| 239 | + } else if (str instanceof File) { | |
| 240 | + return new FileInputStream(str); | |
| 241 | + } | |
| 242 | + } | |
| 243 | + // everything failed, just give input stream | |
| 244 | + return java.lang.System["in"]; | |
| 245 | +} | |
| 246 | + | |
| 247 | +/** | |
| 248 | + * Generic any object to output stream mapper | |
| 249 | + * | |
| 250 | + * @param out output file name or stream | |
| 251 | + * @return OutputStream object | |
| 252 | + * @private | |
| 253 | + */ | |
| 254 | +function outStream(out) { | |
| 255 | + if (typeof(out) == "string") { | |
| 256 | + if (out == '>') { | |
| 257 | + return java.lang.System.out; | |
| 258 | + } else { | |
| 259 | + // treat it as file | |
| 260 | + return new FileOutputStream(pathToFile(out)); | |
| 261 | + } | |
| 262 | + } else { | |
| 263 | + if (out instanceof OutputStream) { | |
| 264 | + return out; | |
| 265 | + } else if (out instanceof File) { | |
| 266 | + return new FileOutputStream(out); | |
| 267 | + } | |
| 268 | + } | |
| 269 | + | |
| 270 | + // everything failed, just return System.out | |
| 271 | + return java.lang.System.out; | |
| 272 | +} | |
| 273 | + | |
| 274 | +/** | |
| 275 | + * stream close takes care not to close stdin, out & err. | |
| 276 | + * @private | |
| 277 | + */ | |
| 278 | +function streamClose(stream) { | |
| 279 | + if (stream) { | |
| 280 | + if (stream != java.lang.System["in"] && | |
| 281 | + stream != java.lang.System.out && | |
| 282 | + stream != java.lang.System.err) { | |
| 283 | + try { | |
| 284 | + stream.close(); | |
| 285 | + } catch (e) { | |
| 286 | + println(e); | |
| 287 | + } | |
| 288 | + } | |
| 289 | + } | |
| 290 | +} | |
| 291 | + | |
| 292 | +/** | |
| 293 | + * Loads and evaluates JavaScript code from a stream or file or URL<br> | |
| 294 | + * | |
| 295 | + * Examples: | |
| 296 | + * <pre> | |
| 297 | + * <code> | |
| 298 | + * load('test.js'); // load script file 'test.js' | |
| 299 | + * load('http://java.sun.com/foo.js'); // load from a URL | |
| 300 | + * </code> | |
| 301 | + * </pre> | |
| 302 | + * | |
| 303 | + * @param str input from which script is loaded and evaluated | |
| 304 | + */ | |
| 305 | +function load(str) { | |
| 306 | + var stream = inStream(str); | |
| 307 | + var bstream = new BufferedInputStream(stream); | |
| 308 | + var reader = new BufferedReader(new InputStreamReader(bstream)); | |
| 309 | + var oldFilename = engine.get(engine.FILENAME); | |
| 310 | + engine.put(engine.FILENAME, str); | |
| 311 | + try { | |
| 312 | + engine.eval(reader); | |
| 313 | + } finally { | |
| 314 | + engine.put(engine.FILENAME, oldFilename); | |
| 315 | + streamClose(stream); | |
| 316 | + } | |
| 317 | +} | |
| 318 | + | |
| 319 | +// file system utilities | |
| 320 | + | |
| 321 | +/** | |
| 322 | + * Creates a Java byte[] of given length | |
| 323 | + * @param len size of the array to create | |
| 324 | + * @private | |
| 325 | + */ | |
| 326 | +function javaByteArray(len) { | |
| 327 | + return java.lang.reflect.Array.newInstance(java.lang.Byte.TYPE, len); | |
| 328 | +} | |
| 329 | + | |
| 330 | +var curDir = new File('.'); | |
| 331 | + | |
| 332 | +/** | |
| 333 | + * Print present working directory | |
| 334 | + */ | |
| 335 | +function pwd() { | |
| 336 | + println(curDir.getAbsolutePath()); | |
| 337 | +} | |
| 338 | + | |
| 339 | +/** | |
| 340 | + * Changes present working directory to given directory | |
| 341 | + * @param target directory to change to. optional, defaults to user's HOME | |
| 342 | + */ | |
| 343 | +function cd(target) { | |
| 344 | + if (target == undefined) { | |
| 345 | + target = sysProps["user.home"]; | |
| 346 | + } | |
| 347 | + if (!(target instanceof File)) { | |
| 348 | + target = pathToFile(target); | |
| 349 | + } | |
| 350 | + if (target.exists() && target.isDirectory()) { | |
| 351 | + curDir = target; | |
| 352 | + } else { | |
| 353 | + println(target + " is not a directory"); | |
| 354 | + } | |
| 355 | +} | |
| 356 | + | |
| 357 | +/** | |
| 358 | + * Converts path to java.io.File taking care of shell present working dir | |
| 359 | + * | |
| 360 | + * @param pathname file path to be converted | |
| 361 | + * @private | |
| 362 | + */ | |
| 363 | +function pathToFile(pathname) { | |
| 364 | + var tmp = pathname; | |
| 365 | + if (!(tmp instanceof File)) { | |
| 366 | + tmp = new File(tmp); | |
| 367 | + } | |
| 368 | + if (!tmp.isAbsolute()) { | |
| 369 | + return new File(curDir, pathname); | |
| 370 | + } else { | |
| 371 | + return tmp; | |
| 372 | + } | |
| 373 | +} | |
| 374 | + | |
| 375 | +/** | |
| 376 | + * Copies a file or URL or stream to another file or stream | |
| 377 | + * | |
| 378 | + * @param from input file or URL or stream | |
| 379 | + * @param to output stream or file | |
| 380 | + */ | |
| 381 | +function cp(from, to) { | |
| 382 | + if (from == to) { | |
| 383 | + println("file " + from + " cannot be copied onto itself!"); | |
| 384 | + return; | |
| 385 | + } | |
| 386 | + var inp = inStream(from); | |
| 387 | + var out = outStream(to); | |
| 388 | + var binp = new BufferedInputStream(inp); | |
| 389 | + var bout = new BufferedOutputStream(out); | |
| 390 | + var buff = javaByteArray(1024); | |
| 391 | + var len; | |
| 392 | + while ((len = binp.read(buff)) > 0 ) | |
| 393 | + bout.write(buff, 0, len); | |
| 394 | + | |
| 395 | + bout.flush(); | |
| 396 | + streamClose(inp); | |
| 397 | + streamClose(out); | |
| 398 | +} | |
| 399 | + | |
| 400 | +/** | |
| 401 | + * Shows the content of a file or URL or any InputStream<br> | |
| 402 | + * Examples: | |
| 403 | + * <pre> | |
| 404 | + * <code> | |
| 405 | + * cat('test.txt'); // show test.txt file contents | |
| 406 | + * cat('http://java.net'); // show the contents from the URL http://java.net | |
| 407 | + * </code> | |
| 408 | + * </pre> | |
| 409 | + * @param obj input to show | |
| 410 | + * @param pattern optional. show only the lines matching the pattern | |
| 411 | + */ | |
| 412 | +function cat(obj, pattern) { | |
| 413 | + if (obj instanceof File && obj.isDirectory()) { | |
| 414 | + ls(obj); | |
| 415 | + return; | |
| 416 | + } | |
| 417 | + | |
| 418 | + var inp = null; | |
| 419 | + if (!(obj instanceof Reader)) { | |
| 420 | + inp = inStream(obj); | |
| 421 | + obj = new BufferedReader(new InputStreamReader(inp)); | |
| 422 | + } | |
| 423 | + var line; | |
| 424 | + if (pattern) { | |
| 425 | + var count = 1; | |
| 426 | + while ((line=obj.readLine()) != null) { | |
| 427 | + if (line.match(pattern)) { | |
| 428 | + println(count + "\t: " + line); | |
| 429 | + } | |
| 430 | + count++; | |
| 431 | + } | |
| 432 | + } else { | |
| 433 | + while ((line=obj.readLine()) != null) { | |
| 434 | + println(line); | |
| 435 | + } | |
| 436 | + } | |
| 437 | +} | |
| 438 | + | |
| 439 | +/** | |
| 440 | + * Returns directory part of a filename | |
| 441 | + * | |
| 442 | + * @param pathname input path name | |
| 443 | + * @return directory part of the given file name | |
| 444 | + */ | |
| 445 | +function dirname(pathname) { | |
| 446 | + var dirName = "."; | |
| 447 | + // Normalize '/' to local file separator before work. | |
| 448 | + var i = pathname.replace('/', File.separatorChar ).lastIndexOf( | |
| 449 | + File.separator ); | |
| 450 | + if ( i != -1 ) | |
| 451 | + dirName = pathname.substring(0, i); | |
| 452 | + return dirName; | |
| 453 | +} | |
| 454 | + | |
| 455 | +/** | |
| 456 | + * Creates a new dir of given name | |
| 457 | + * | |
| 458 | + * @param dir name of the new directory | |
| 459 | + */ | |
| 460 | +function mkdir(dir) { | |
| 461 | + var dir = pathToFile(dir); | |
| 462 | + println(dir.mkdir()? "created" : "can not create dir"); | |
| 463 | +} | |
| 464 | + | |
| 465 | +/** | |
| 466 | + * Creates the directory named by given pathname, including | |
| 467 | + * any necessary but nonexistent parent directories. | |
| 468 | + * | |
| 469 | + * @param dir input path name | |
| 470 | + */ | |
| 471 | +function mkdirs(dir) { | |
| 472 | + var dir = pathToFile(dir); | |
| 473 | + println(dir.mkdirs()? "created" : "can not create dirs"); | |
| 474 | +} | |
| 475 | + | |
| 476 | +/** | |
| 477 | + * Removes a given file | |
| 478 | + * | |
| 479 | + * @param pathname name of the file | |
| 480 | + */ | |
| 481 | +function rm(pathname) { | |
| 482 | + file = pathToFile(pathname); | |
| 483 | + if (!file.exists()) { | |
| 484 | + println("file not found: " + pathname); | |
| 485 | + return false; | |
| 486 | + } | |
| 487 | + // note that delete is a keyword in JavaScript! | |
| 488 | + println(file["delete"]()? "deleted" : "can not delete"); | |
| 489 | +} | |
| 490 | + | |
| 491 | +/** | |
| 492 | + * Removes a given directory | |
| 493 | + * | |
| 494 | + * @param pathname name of the directory | |
| 495 | + */ | |
| 496 | +function rmdir(pathname) { | |
| 497 | + rm(pathname); | |
| 498 | +} | |
| 499 | + | |
| 500 | +/** | |
| 501 | + * Synonym for 'rm' | |
| 502 | + */ | |
| 503 | +function del(pathname) { | |
| 504 | + rm(pathname); | |
| 505 | +} | |
| 506 | + | |
| 507 | +/** | |
| 508 | + * Moves a file to another | |
| 509 | + * | |
| 510 | + * @param from original name of the file | |
| 511 | + * @param to new name for the file | |
| 512 | + */ | |
| 513 | +function mv(from, to) { | |
| 514 | + println(pathToFile(from).renameTo(pathToFile(to))? | |
| 515 | + "moved" : "can not move"); | |
| 516 | +} | |
| 517 | + | |
| 518 | +/** | |
| 519 | + * Synonym for 'mv'. | |
| 520 | + */ | |
| 521 | +function ren(from, to) { | |
| 522 | + mv(from, to); | |
| 523 | +} | |
| 524 | + | |
| 525 | +var months = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
| 526 | + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]; | |
| 527 | + | |
| 528 | +/** | |
| 529 | + * Helper function called by ls | |
| 530 | + * @private | |
| 531 | + */ | |
| 532 | +function printFile(f) { | |
| 533 | + var sb = new java.lang.StringBuffer(); | |
| 534 | + sb.append(f.isDirectory()? "d" : "-"); | |
| 535 | + sb.append(f.canRead() ? "r": "-" ); | |
| 536 | + sb.append(f.canWrite() ? "w": "-" ); | |
| 537 | + sb.append(" "); | |
| 538 | + | |
| 539 | + var d = new java.util.Date(f.lastModified()); | |
| 540 | + var c = new java.util.GregorianCalendar(); | |
| 541 | + c.setTime(d); | |
| 542 | + var day = c.get(java.util.Calendar.DAY_OF_MONTH); | |
| 543 | + sb.append(months[c.get(java.util.Calendar.MONTH)] | |
| 544 | + + " " + day ); | |
| 545 | + if (day < 10) { | |
| 546 | + sb.append(" "); | |
| 547 | + } | |
| 548 | + | |
| 549 | + // to get fixed length 'length' field | |
| 550 | + var fieldlen = 8; | |
| 551 | + var len = new java.lang.StringBuffer(); | |
| 552 | + for(var j=0; j<fieldlen; j++) | |
| 553 | + len.append(" "); | |
| 554 | + len.insert(0, java.lang.Long.toString(f.length())); | |
| 555 | + len.setLength(fieldlen); | |
| 556 | + // move the spaces to the front | |
| 557 | + var si = len.toString().indexOf(" "); | |
| 558 | + if ( si != -1 ) { | |
| 559 | + var pad = len.toString().substring(si); | |
| 560 | + len.setLength(si); | |
| 561 | + len.insert(0, pad); | |
| 562 | + } | |
| 563 | + sb.append(len.toString()); | |
| 564 | + sb.append(" "); | |
| 565 | + sb.append(f.getName()); | |
| 566 | + if (f.isDirectory()) { | |
| 567 | + sb.append('/'); | |
| 568 | + } | |
| 569 | + println(sb.toString()); | |
| 570 | +} | |
| 571 | + | |
| 572 | +/** | |
| 573 | + * Lists the files in a directory | |
| 574 | + * | |
| 575 | + * @param dir directory from which to list the files. optional, default to pwd | |
| 576 | + * @param filter pattern to filter the files listed. optional, default is '.'. | |
| 577 | + */ | |
| 578 | +function ls(dir, filter) { | |
| 579 | + if (dir) { | |
| 580 | + dir = pathToFile(dir); | |
| 581 | + } else { | |
| 582 | + dir = curDir; | |
| 583 | + } | |
| 584 | + if (dir.isDirectory()) { | |
| 585 | + var files = dir.listFiles(); | |
| 586 | + for (var i in files) { | |
| 587 | + var f = files[i]; | |
| 588 | + if (filter) { | |
| 589 | + if(!f.getName().match(filter)) { | |
| 590 | + continue; | |
| 591 | + } | |
| 592 | + } | |
| 593 | + printFile(f); | |
| 594 | + } | |
| 595 | + } else { | |
| 596 | + printFile(dir); | |
| 597 | + } | |
| 598 | +} | |
| 599 | + | |
| 600 | +/** | |
| 601 | + * Synonym for 'ls'. | |
| 602 | + */ | |
| 603 | +function dir(d, filter) { | |
| 604 | + ls(d, filter); | |
| 605 | +} | |
| 606 | + | |
| 607 | +/** | |
| 608 | + * Unix-like grep, but accepts JavaScript regex patterns | |
| 609 | + * | |
| 610 | + * @param pattern to search in files | |
| 611 | + * @param files one or more files | |
| 612 | + */ | |
| 613 | +function grep(pattern, files /*, one or more files */) { | |
| 614 | + if (arguments.length < 2) return; | |
| 615 | + for (var i = 1; i < arguments.length; i++) { | |
| 616 | + println(arguments[i] + ":"); | |
| 617 | + cat(arguments[i], pattern); | |
| 618 | + } | |
| 619 | +} | |
| 620 | + | |
| 621 | +/** | |
| 622 | + * Find in files. Calls arbitrary callback function | |
| 623 | + * for each matching file.<br> | |
| 624 | + * | |
| 625 | + * Examples: | |
| 626 | + * <pre> | |
| 627 | + * <code> | |
| 628 | + * find('.') | |
| 629 | + * find('.', '.*\.class', rm); // remove all .class files | |
| 630 | + * find('.', '.*\.java'); // print fullpath of each .java file | |
| 631 | + * find('.', '.*\.java', cat); // print all .java files | |
| 632 | + * </code> | |
| 633 | + * </pre> | |
| 634 | + * | |
| 635 | + * @param dir directory to search files | |
| 636 | + * @param pattern to search in the files | |
| 637 | + * @param callback function to call for matching files | |
| 638 | + */ | |
| 639 | +function find(dir, pattern, callback) { | |
| 640 | + dir = pathToFile(dir); | |
| 641 | + if (!callback) callback = print; | |
| 642 | + var files = dir.listFiles(); | |
| 643 | + for (var f in files) { | |
| 644 | + var file = files[f]; | |
| 645 | + if (file.isDirectory()) { | |
| 646 | + find(file, pattern, callback); | |
| 647 | + } else { | |
| 648 | + if (pattern) { | |
| 649 | + if (file.getName().match(pattern)) { | |
| 650 | + callback(file); | |
| 651 | + } | |
| 652 | + } else { | |
| 653 | + callback(file); | |
| 654 | + } | |
| 655 | + } | |
| 656 | + } | |
| 657 | +} | |
| 658 | + | |
| 659 | +// process utilities | |
| 660 | + | |
| 661 | +/** | |
| 662 | + * Exec's a child process, waits for completion & returns exit code | |
| 663 | + * | |
| 664 | + * @param cmd command to execute in child process | |
| 665 | + */ | |
| 666 | +function exec(cmd) { | |
| 667 | + var process = java.lang.Runtime.getRuntime().exec(cmd); | |
| 668 | + var inp = new DataInputStream(process.getInputStream()); | |
| 669 | + var line = null; | |
| 670 | + while ((line = inp.readLine()) != null) { | |
| 671 | + println(line); | |
| 672 | + } | |
| 673 | + process.waitFor(); | |
| 674 | + $exit = process.exitValue(); | |
| 675 | +} | |
| 676 | + | |
| 677 | +/** | |
| 678 | + * Exit the shell program. | |
| 679 | + * | |
| 680 | + * @param exitCode integer code returned to OS shell. | |
| 681 | + * optional, defaults to 0 | |
| 682 | + */ | |
| 683 | +function exit(code) { | |
| 684 | + if (code) { | |
| 685 | + java.lang.System.exit(code + 0); | |
| 686 | + } else { | |
| 687 | + java.lang.System.exit(0); | |
| 688 | + } | |
| 689 | +} | |
| 690 | + | |
| 691 | +/** | |
| 692 | + * synonym for exit | |
| 693 | + */ | |
| 694 | +function quit(code) { | |
| 695 | + exit(code); | |
| 696 | +} | |
| 697 | + | |
| 698 | +// XML utilities | |
| 699 | + | |
| 700 | +/** | |
| 701 | + * Converts input to DOM Document object | |
| 702 | + * | |
| 703 | + * @param inp file or reader. optional, without this param, | |
| 704 | + * this function returns a new DOM Document. | |
| 705 | + * @return returns a DOM Document object | |
| 706 | + */ | |
| 707 | +function XMLDocument(inp) { | |
| 708 | + var factory = javax.xml.parsers.DocumentBuilderFactory.newInstance(); | |
| 709 | + var builder = factory.newDocumentBuilder(); | |
| 710 | + if (inp) { | |
| 711 | + if (typeof(inp) == "string") { | |
| 712 | + return builder.parse(pathToFile(inp)); | |
| 713 | + } else { | |
| 714 | + return builder.parse(inp); | |
| 715 | + } | |
| 716 | + } else { | |
| 717 | + return builder.newDocument(); | |
| 718 | + } | |
| 719 | +} | |
| 720 | + | |
| 721 | +/** | |
| 722 | + * Converts arbitrary stream, file, URL to XMLSource | |
| 723 | + * | |
| 724 | + * @param inp input stream or file or URL | |
| 725 | + * @return XMLSource object | |
| 726 | + */ | |
| 727 | +function XMLSource(inp) { | |
| 728 | + if (inp instanceof javax.xml.transform.Source) { | |
| 729 | + return inp; | |
| 730 | + } else if (inp instanceof Packages.org.w3c.dom.Document) { | |
| 731 | + return new javax.xml.transform.dom.DOMSource(inp); | |
| 732 | + } else { | |
| 733 | + inp = new BufferedInputStream(inStream(inp)); | |
| 734 | + return new javax.xml.transform.stream.StreamSource(inp); | |
| 735 | + } | |
| 736 | +} | |
| 737 | + | |
| 738 | +/** | |
| 739 | + * Converts arbitrary stream, file to XMLResult | |
| 740 | + * | |
| 741 | + * @param inp output stream or file | |
| 742 | + * @return XMLResult object | |
| 743 | + */ | |
| 744 | +function XMLResult(out) { | |
| 745 | + if (out instanceof javax.xml.transform.Result) { | |
| 746 | + return out; | |
| 747 | + } else if (out instanceof Packages.org.w3c.dom.Document) { | |
| 748 | + return new javax.xml.transform.dom.DOMResult(out); | |
| 749 | + } else { | |
| 750 | + out = new BufferedOutputStream(outStream(out)); | |
| 751 | + return new javax.xml.transform.stream.StreamResult(out); | |
| 752 | + } | |
| 753 | +} | |
| 754 | + | |
| 755 | +/** | |
| 756 | + * Perform XSLT transform | |
| 757 | + * | |
| 758 | + * @param inp Input XML to transform (URL, File or InputStream) | |
| 759 | + * @param style XSL Stylesheet to be used (URL, File or InputStream). optional. | |
| 760 | + * @param out Output XML (File or OutputStream | |
| 761 | + */ | |
| 762 | +function XSLTransform(inp, style, out) { | |
| 763 | + switch (arguments.length) { | |
| 764 | + case 2: | |
| 765 | + inp = arguments[0]; | |
| 766 | + out = arguments[1]; | |
| 767 | + break; | |
| 768 | + case 3: | |
| 769 | + inp = arguments[0]; | |
| 770 | + style = arguments[1]; | |
| 771 | + out = arguments[2]; | |
| 772 | + break; | |
| 773 | + default: | |
| 774 | + println("XSL tranform requires 2 or 3 arguments"); | |
| 775 | + return; | |
| 776 | + } | |
| 777 | + | |
| 778 | + var factory = javax.xml.transform.TransformerFactory.newInstance(); | |
| 779 | + var tranformer; | |
| 780 | + if (style) { | |
| 781 | + transformer = factory.newTransformer(XMLSource(style)); | |
| 782 | + } else { | |
| 783 | + transformer = factory.newTransformer(); | |
| 784 | + } | |
| 785 | + var source = XMLSource(inp); | |
| 786 | + var result = XMLResult(out); | |
| 787 | + transformer.transform(source, result); | |
| 788 | + if (source.getInputStream) { | |
| 789 | + streamClose(source.getInputStream()); | |
| 790 | + } | |
| 791 | + if (result.getOutputStream) { | |
| 792 | + streamClose(result.getOutputStream()); | |
| 793 | + } | |
| 794 | +} | |
| 795 | + | |
| 796 | +// miscellaneous utilities | |
| 797 | + | |
| 798 | +/** | |
| 799 | + * Prints which command is selected from PATH | |
| 800 | + * | |
| 801 | + * @param cmd name of the command searched from PATH | |
| 802 | + */ | |
| 803 | +function which(cmd) { | |
| 804 | + var st = new java.util.StringTokenizer(env.PATH, File.pathSeparator); | |
| 805 | + while (st.hasMoreTokens()) { | |
| 806 | + var file = new File(st.nextToken(), cmd); | |
| 807 | + if (file.exists()) { | |
| 808 | + println(file.getAbsolutePath()); | |
| 809 | + return; | |
| 810 | + } | |
| 811 | + } | |
| 812 | +} | |
| 813 | + | |
| 814 | +/** | |
| 815 | + * Prints IP addresses of given domain name | |
| 816 | + * | |
| 817 | + * @param name domain name | |
| 818 | + */ | |
| 819 | +function ip(name) { | |
| 820 | + var addrs = InetAddress.getAllByName(name); | |
| 821 | + for (var i in addrs) { | |
| 822 | + println(addrs[i]); | |
| 823 | + } | |
| 824 | +} | |
| 825 | + | |
| 826 | +/** | |
| 827 | + * Prints current date in current locale | |
| 828 | + */ | |
| 829 | +function date() { | |
| 830 | + println(new Date().toLocaleString()); | |
| 831 | +} | |
| 832 | + | |
| 833 | +/** | |
| 834 | + * Echoes the given string arguments | |
| 835 | + */ | |
| 836 | +function echo(x) { | |
| 837 | + for (var i = 0; i < arguments.length; i++) { | |
| 838 | + println(arguments[i]); | |
| 839 | + } | |
| 840 | +} | |
| 841 | + | |
| 842 | +/** | |
| 843 | + * This is C-like printf | |
| 844 | + * | |
| 845 | + * @param format string to format the rest of the print items | |
| 846 | + * @param args variadic argument list | |
| 847 | + */ | |
| 848 | +function printf(format, args/*, more args*/) { | |
| 849 | + var array = java.lang.reflect.Array.newInstance(java.lang.Object, | |
| 850 | + arguments.length - 1); | |
| 851 | + for (var i = 0; i < array.length; i++) { | |
| 852 | + array[i] = arguments[i+1]; | |
| 853 | + } | |
| 854 | + return java.lang.System.out.printf(format, array); | |
| 855 | +} | |
| 856 | + | |
| 857 | +/** | |
| 858 | + * Reads one or more lines from stdin after printing prompt | |
| 859 | + * | |
| 860 | + * @param prompt optional, default is '>' | |
| 861 | + * @param multiline to tell whether to read single line or multiple lines | |
| 862 | + */ | |
| 863 | +function read(prompt, multiline) { | |
| 864 | + if (!prompt) { | |
| 865 | + prompt = '>'; | |
| 866 | + } | |
| 867 | + var inp = java.lang.System["in"]; | |
| 868 | + var reader = new BufferedReader(new InputStreamReader(inp)); | |
| 869 | + if (multiline) { | |
| 870 | + var line = ''; | |
| 871 | + while (true) { | |
| 872 | + java.lang.System.err.print(prompt); | |
| 873 | + java.lang.System.err.flush(); | |
| 874 | + var tmp = reader.readLine(); | |
| 875 | + if (tmp == '' || tmp == null) break; | |
| 876 | + line += tmp + '\n'; | |
| 877 | + } | |
| 878 | + return line; | |
| 879 | + } else { | |
| 880 | + java.lang.System.err.print(prompt); | |
| 881 | + java.lang.System.err.flush(); | |
| 882 | + return reader.readLine(); | |
| 883 | + } | |
| 884 | +} | |
| @@ -0,0 +1,66 @@ | ||
| 1 | +# | |
| 2 | +# Copyright (c) 2005, 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 | +# | |
| 25 | + | |
| 26 | +string.script.error=\ | |
| 27 | + script error: {0} | |
| 28 | + | |
| 29 | +file.script.error=\ | |
| 30 | + script error in file {0} : {1} | |
| 31 | + | |
| 32 | +file.not.found=\ | |
| 33 | + script file {0} is not found | |
| 34 | + | |
| 35 | +engine.not.found=\ | |
| 36 | + script engine for language {0} can not be found | |
| 37 | + | |
| 38 | +engine.info=\ | |
| 39 | + Language {0} {1} implemention "{2}" {3} | |
| 40 | + | |
| 41 | +encoding.unsupported=\ | |
| 42 | + encoding {0} is not supported | |
| 43 | + | |
| 44 | +main.usage=\ | |
| 45 | +Usage: {0} [options] [arguments...]\n\ | |
| 46 | +\n\ | |
| 47 | +where [options] include:\n\ | |
| 48 | +\ \-classpath <path> Specify where to find user class files \n\ | |
| 49 | +\ \-cp <path> Specify where to find user class files \n\ | |
| 50 | +\ \-D<name>=<value> Set a system property \n\ | |
| 51 | +\ \-J<flag> Pass <flag> directly to the runtime system \n\ | |
| 52 | +\ \-l <language> Use specified scripting language \n\ | |
| 53 | +\ \-e <script> Evaluate given script \n\ | |
| 54 | +\ \-encoding <encoding> Specify character encoding used by script files \n\ | |
| 55 | +\ \-f <script file> Evaluate given script file \n\ | |
| 56 | +\ \-f - Interactive mode, read script from standard input \n\ | |
| 57 | +\ \ If this is used, this should be the last -f option \n\ | |
| 58 | +\ \-help Print this usage message and exit \n\ | |
| 59 | +\ \-? Print this usage message and exit \n\ | |
| 60 | +\ \-q List all scripting engines available and exit \n\ | |
| 61 | +\ \n\ | |
| 62 | +If [arguments..] are present and if no -e or -f option is used, then first\n\ | |
| 63 | +argument is script file and the rest of the arguments, if any, are passed\n\ | |
| 64 | +as script arguments. If [arguments..] and -e or -f option is used, then all\n\ | |
| 65 | +[arguments..] are passed as script arguments. If [arguments..], -e, -f are\n\ | |
| 66 | +missing, then interactive mode is used. | |
| @@ -0,0 +1,8 @@ | ||
| 1 | +<../../../../../../../mkconfig | |
| 2 | + | |
| 3 | +TARG=\ | |
| 4 | + Main.dis\ | |
| 5 | + | |
| 6 | +DISBIN=$ROOT/java/dis/java/java/com/sun/tools/script/shell | |
| 7 | + | |
| 8 | +<$ROOT/mkfiles/mkjava | |