Sat, 01 Dec 2007 00:00:00 +0000
Initial load
duke@1 | 1 | /* |
duke@1 | 2 | * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. Sun designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
duke@1 | 9 | * by Sun in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
duke@1 | 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@1 | 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@1 | 23 | * have any questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javac.util; |
duke@1 | 27 | import java.io.File; |
duke@1 | 28 | import java.io.IOException; |
duke@1 | 29 | import java.util.HashMap; |
duke@1 | 30 | import java.util.HashSet; |
duke@1 | 31 | import java.util.Map; |
duke@1 | 32 | import java.util.Set; |
duke@1 | 33 | import java.util.jar.JarFile; |
duke@1 | 34 | import java.util.jar.Manifest; |
duke@1 | 35 | import java.util.jar.Attributes; |
duke@1 | 36 | import java.util.Collection; |
duke@1 | 37 | import java.util.Collections; |
duke@1 | 38 | import java.util.LinkedHashSet; |
duke@1 | 39 | import java.util.Iterator; |
duke@1 | 40 | import java.util.StringTokenizer; |
duke@1 | 41 | import java.util.zip.ZipException; |
duke@1 | 42 | import java.util.zip.ZipFile; |
duke@1 | 43 | import com.sun.tools.javac.code.Lint; |
duke@1 | 44 | import com.sun.tools.javac.util.Context; |
duke@1 | 45 | import com.sun.tools.javac.util.Log; |
duke@1 | 46 | import com.sun.tools.javac.util.Options; |
duke@1 | 47 | import com.sun.tools.javac.util.Position; |
duke@1 | 48 | import java.util.ArrayList; |
duke@1 | 49 | import java.util.concurrent.ConcurrentHashMap; |
duke@1 | 50 | import java.util.concurrent.locks.Lock; |
duke@1 | 51 | import java.util.concurrent.locks.ReentrantLock; |
duke@1 | 52 | import javax.tools.JavaFileManager.Location; |
duke@1 | 53 | |
duke@1 | 54 | import static com.sun.tools.javac.main.OptionName.*; |
duke@1 | 55 | import static javax.tools.StandardLocation.*; |
duke@1 | 56 | |
duke@1 | 57 | /** This class converts command line arguments, environment variables |
duke@1 | 58 | * and system properties (in File.pathSeparator-separated String form) |
duke@1 | 59 | * into a boot class path, user class path, and source path (in |
duke@1 | 60 | * Collection<String> form). |
duke@1 | 61 | * |
duke@1 | 62 | * <p><b>This is NOT part of any API supported by Sun Microsystems. If |
duke@1 | 63 | * you write code that depends on this, you do so at your own risk. |
duke@1 | 64 | * This code and its internal interfaces are subject to change or |
duke@1 | 65 | * deletion without notice.</b> |
duke@1 | 66 | */ |
duke@1 | 67 | public class Paths { |
duke@1 | 68 | |
duke@1 | 69 | /** The context key for the todo list */ |
duke@1 | 70 | protected static final Context.Key<Paths> pathsKey = |
duke@1 | 71 | new Context.Key<Paths>(); |
duke@1 | 72 | |
duke@1 | 73 | /** Get the Paths instance for this context. */ |
duke@1 | 74 | public static Paths instance(Context context) { |
duke@1 | 75 | Paths instance = context.get(pathsKey); |
duke@1 | 76 | if (instance == null) |
duke@1 | 77 | instance = new Paths(context); |
duke@1 | 78 | return instance; |
duke@1 | 79 | } |
duke@1 | 80 | |
duke@1 | 81 | /** The log to use for warning output */ |
duke@1 | 82 | private Log log; |
duke@1 | 83 | |
duke@1 | 84 | /** Collection of command-line options */ |
duke@1 | 85 | private Options options; |
duke@1 | 86 | |
duke@1 | 87 | /** Handler for -Xlint options */ |
duke@1 | 88 | private Lint lint; |
duke@1 | 89 | |
duke@1 | 90 | private static boolean NON_BATCH_MODE = System.getProperty("nonBatchMode") != null;// TODO: Use -XD compiler switch for this. |
duke@1 | 91 | private static Map<File, PathEntry> pathExistanceCache = new ConcurrentHashMap<File, PathEntry>(); |
duke@1 | 92 | private static Map<File, java.util.List<String>> manifestEntries = new ConcurrentHashMap<File, java.util.List<String>>(); |
duke@1 | 93 | private static Map<File, Boolean> isDirectory = new ConcurrentHashMap<File, Boolean>(); |
duke@1 | 94 | private static Lock lock = new ReentrantLock(); |
duke@1 | 95 | |
duke@1 | 96 | public static void clearPathExistanceCache() { |
duke@1 | 97 | pathExistanceCache.clear(); |
duke@1 | 98 | } |
duke@1 | 99 | |
duke@1 | 100 | static class PathEntry { |
duke@1 | 101 | boolean exists = false; |
duke@1 | 102 | boolean isFile = false; |
duke@1 | 103 | File cannonicalPath = null; |
duke@1 | 104 | } |
duke@1 | 105 | |
duke@1 | 106 | protected Paths(Context context) { |
duke@1 | 107 | context.put(pathsKey, this); |
duke@1 | 108 | pathsForLocation = new HashMap<Location,Path>(16); |
duke@1 | 109 | setContext(context); |
duke@1 | 110 | } |
duke@1 | 111 | |
duke@1 | 112 | void setContext(Context context) { |
duke@1 | 113 | log = Log.instance(context); |
duke@1 | 114 | options = Options.instance(context); |
duke@1 | 115 | lint = Lint.instance(context); |
duke@1 | 116 | } |
duke@1 | 117 | |
duke@1 | 118 | /** Whether to warn about non-existent path elements */ |
duke@1 | 119 | private boolean warn; |
duke@1 | 120 | |
duke@1 | 121 | private Map<Location, Path> pathsForLocation; |
duke@1 | 122 | |
duke@1 | 123 | private boolean inited = false; // TODO? caching bad? |
duke@1 | 124 | |
duke@1 | 125 | /** |
duke@1 | 126 | * rt.jar as found on the default bootclass path. If the user specified a |
duke@1 | 127 | * bootclasspath, null is used. |
duke@1 | 128 | */ |
duke@1 | 129 | private File bootClassPathRtJar = null; |
duke@1 | 130 | |
duke@1 | 131 | Path getPathForLocation(Location location) { |
duke@1 | 132 | Path path = pathsForLocation.get(location); |
duke@1 | 133 | if (path == null) |
duke@1 | 134 | setPathForLocation(location, null); |
duke@1 | 135 | return pathsForLocation.get(location); |
duke@1 | 136 | } |
duke@1 | 137 | |
duke@1 | 138 | void setPathForLocation(Location location, Iterable<? extends File> path) { |
duke@1 | 139 | // TODO? if (inited) throw new IllegalStateException |
duke@1 | 140 | // TODO: otherwise reset sourceSearchPath, classSearchPath as needed |
duke@1 | 141 | Path p; |
duke@1 | 142 | if (path == null) { |
duke@1 | 143 | if (location == CLASS_PATH) |
duke@1 | 144 | p = computeUserClassPath(); |
duke@1 | 145 | else if (location == PLATFORM_CLASS_PATH) |
duke@1 | 146 | p = computeBootClassPath(); |
duke@1 | 147 | else if (location == ANNOTATION_PROCESSOR_PATH) |
duke@1 | 148 | p = computeAnnotationProcessorPath(); |
duke@1 | 149 | else if (location == SOURCE_PATH) |
duke@1 | 150 | p = computeSourcePath(); |
duke@1 | 151 | else |
duke@1 | 152 | // no defaults for other paths |
duke@1 | 153 | p = null; |
duke@1 | 154 | } else { |
duke@1 | 155 | p = new Path(); |
duke@1 | 156 | for (File f: path) |
duke@1 | 157 | p.addFile(f, warn); // TODO: is use of warn appropriate? |
duke@1 | 158 | } |
duke@1 | 159 | pathsForLocation.put(location, p); |
duke@1 | 160 | } |
duke@1 | 161 | |
duke@1 | 162 | protected void lazy() { |
duke@1 | 163 | if (!inited) { |
duke@1 | 164 | warn = lint.isEnabled(Lint.LintCategory.PATH); |
duke@1 | 165 | |
duke@1 | 166 | pathsForLocation.put(PLATFORM_CLASS_PATH, computeBootClassPath()); |
duke@1 | 167 | pathsForLocation.put(CLASS_PATH, computeUserClassPath()); |
duke@1 | 168 | pathsForLocation.put(SOURCE_PATH, computeSourcePath()); |
duke@1 | 169 | |
duke@1 | 170 | inited = true; |
duke@1 | 171 | } |
duke@1 | 172 | } |
duke@1 | 173 | |
duke@1 | 174 | public Collection<File> bootClassPath() { |
duke@1 | 175 | lazy(); |
duke@1 | 176 | return Collections.unmodifiableCollection(getPathForLocation(PLATFORM_CLASS_PATH)); |
duke@1 | 177 | } |
duke@1 | 178 | public Collection<File> userClassPath() { |
duke@1 | 179 | lazy(); |
duke@1 | 180 | return Collections.unmodifiableCollection(getPathForLocation(CLASS_PATH)); |
duke@1 | 181 | } |
duke@1 | 182 | public Collection<File> sourcePath() { |
duke@1 | 183 | lazy(); |
duke@1 | 184 | Path p = getPathForLocation(SOURCE_PATH); |
duke@1 | 185 | return p == null || p.size() == 0 |
duke@1 | 186 | ? null |
duke@1 | 187 | : Collections.unmodifiableCollection(p); |
duke@1 | 188 | } |
duke@1 | 189 | |
duke@1 | 190 | boolean isBootClassPathRtJar(File file) { |
duke@1 | 191 | return file.equals(bootClassPathRtJar); |
duke@1 | 192 | } |
duke@1 | 193 | |
duke@1 | 194 | private static class PathIterator implements Iterable<String> { |
duke@1 | 195 | private int pos = 0; |
duke@1 | 196 | private final String path; |
duke@1 | 197 | private final String emptyPathDefault; |
duke@1 | 198 | |
duke@1 | 199 | public PathIterator(String path, String emptyPathDefault) { |
duke@1 | 200 | this.path = path; |
duke@1 | 201 | this.emptyPathDefault = emptyPathDefault; |
duke@1 | 202 | } |
duke@1 | 203 | public PathIterator(String path) { this(path, null); } |
duke@1 | 204 | public Iterator<String> iterator() { |
duke@1 | 205 | return new Iterator<String>() { |
duke@1 | 206 | public boolean hasNext() { |
duke@1 | 207 | return pos <= path.length(); |
duke@1 | 208 | } |
duke@1 | 209 | public String next() { |
duke@1 | 210 | int beg = pos; |
duke@1 | 211 | int end = path.indexOf(File.pathSeparator, beg); |
duke@1 | 212 | if (end == -1) |
duke@1 | 213 | end = path.length(); |
duke@1 | 214 | pos = end + 1; |
duke@1 | 215 | |
duke@1 | 216 | if (beg == end && emptyPathDefault != null) |
duke@1 | 217 | return emptyPathDefault; |
duke@1 | 218 | else |
duke@1 | 219 | return path.substring(beg, end); |
duke@1 | 220 | } |
duke@1 | 221 | public void remove() { |
duke@1 | 222 | throw new UnsupportedOperationException(); |
duke@1 | 223 | } |
duke@1 | 224 | }; |
duke@1 | 225 | } |
duke@1 | 226 | } |
duke@1 | 227 | |
duke@1 | 228 | private class Path extends LinkedHashSet<File> { |
duke@1 | 229 | private static final long serialVersionUID = 0; |
duke@1 | 230 | |
duke@1 | 231 | private boolean expandJarClassPaths = false; |
duke@1 | 232 | private Set<File> canonicalValues = new HashSet<File>(); |
duke@1 | 233 | |
duke@1 | 234 | public Path expandJarClassPaths(boolean x) { |
duke@1 | 235 | expandJarClassPaths = x; |
duke@1 | 236 | return this; |
duke@1 | 237 | } |
duke@1 | 238 | |
duke@1 | 239 | /** What to use when path element is the empty string */ |
duke@1 | 240 | private String emptyPathDefault = null; |
duke@1 | 241 | |
duke@1 | 242 | public Path emptyPathDefault(String x) { |
duke@1 | 243 | emptyPathDefault = x; |
duke@1 | 244 | return this; |
duke@1 | 245 | } |
duke@1 | 246 | |
duke@1 | 247 | public Path() { super(); } |
duke@1 | 248 | |
duke@1 | 249 | public Path addDirectories(String dirs, boolean warn) { |
duke@1 | 250 | if (dirs != null) |
duke@1 | 251 | for (String dir : new PathIterator(dirs)) |
duke@1 | 252 | addDirectory(dir, warn); |
duke@1 | 253 | return this; |
duke@1 | 254 | } |
duke@1 | 255 | |
duke@1 | 256 | public Path addDirectories(String dirs) { |
duke@1 | 257 | return addDirectories(dirs, warn); |
duke@1 | 258 | } |
duke@1 | 259 | |
duke@1 | 260 | private void addDirectory(String dir, boolean warn) { |
duke@1 | 261 | if (! new File(dir).isDirectory()) { |
duke@1 | 262 | if (warn) |
duke@1 | 263 | log.warning("dir.path.element.not.found", dir); |
duke@1 | 264 | return; |
duke@1 | 265 | } |
duke@1 | 266 | |
duke@1 | 267 | File[] files = new File(dir).listFiles(); |
duke@1 | 268 | if (files == null) |
duke@1 | 269 | return; |
duke@1 | 270 | |
duke@1 | 271 | for (File direntry : files) { |
duke@1 | 272 | if (isArchive(direntry)) |
duke@1 | 273 | addFile(direntry, warn); |
duke@1 | 274 | } |
duke@1 | 275 | } |
duke@1 | 276 | |
duke@1 | 277 | public Path addFiles(String files, boolean warn) { |
duke@1 | 278 | if (files != null) |
duke@1 | 279 | for (String file : new PathIterator(files, emptyPathDefault)) |
duke@1 | 280 | addFile(file, warn); |
duke@1 | 281 | return this; |
duke@1 | 282 | } |
duke@1 | 283 | |
duke@1 | 284 | public Path addFiles(String files) { |
duke@1 | 285 | return addFiles(files, warn); |
duke@1 | 286 | } |
duke@1 | 287 | |
duke@1 | 288 | public Path addFile(String file, boolean warn) { |
duke@1 | 289 | addFile(new File(file), warn); |
duke@1 | 290 | return this; |
duke@1 | 291 | } |
duke@1 | 292 | |
duke@1 | 293 | public void addFile(File file, boolean warn) { |
duke@1 | 294 | boolean foundInCache = false; |
duke@1 | 295 | PathEntry pe = null; |
duke@1 | 296 | if (!NON_BATCH_MODE) { |
duke@1 | 297 | pe = pathExistanceCache.get(file); |
duke@1 | 298 | if (pe != null) { |
duke@1 | 299 | foundInCache = true; |
duke@1 | 300 | } |
duke@1 | 301 | else { |
duke@1 | 302 | pe = new PathEntry(); |
duke@1 | 303 | } |
duke@1 | 304 | } |
duke@1 | 305 | else { |
duke@1 | 306 | pe = new PathEntry(); |
duke@1 | 307 | } |
duke@1 | 308 | |
duke@1 | 309 | File canonFile; |
duke@1 | 310 | try { |
duke@1 | 311 | if (!foundInCache) { |
duke@1 | 312 | pe.cannonicalPath = file.getCanonicalFile(); |
duke@1 | 313 | } |
duke@1 | 314 | else { |
duke@1 | 315 | canonFile = pe.cannonicalPath; |
duke@1 | 316 | } |
duke@1 | 317 | } catch (IOException e) { |
duke@1 | 318 | pe.cannonicalPath = canonFile = file; |
duke@1 | 319 | } |
duke@1 | 320 | |
duke@1 | 321 | if (contains(file) || canonicalValues.contains(pe.cannonicalPath)) { |
duke@1 | 322 | /* Discard duplicates and avoid infinite recursion */ |
duke@1 | 323 | return; |
duke@1 | 324 | } |
duke@1 | 325 | |
duke@1 | 326 | if (!foundInCache) { |
duke@1 | 327 | pe.exists = file.exists(); |
duke@1 | 328 | pe.isFile = file.isFile(); |
duke@1 | 329 | if (!NON_BATCH_MODE) { |
duke@1 | 330 | pathExistanceCache.put(file, pe); |
duke@1 | 331 | } |
duke@1 | 332 | } |
duke@1 | 333 | |
duke@1 | 334 | if (! pe.exists) { |
duke@1 | 335 | /* No such file or directory exists */ |
duke@1 | 336 | if (warn) |
duke@1 | 337 | log.warning("path.element.not.found", file); |
duke@1 | 338 | } else if (pe.isFile) { |
duke@1 | 339 | /* File is an ordinary file. */ |
duke@1 | 340 | if (!isArchive(file)) { |
duke@1 | 341 | /* Not a recognized extension; open it to see if |
duke@1 | 342 | it looks like a valid zip file. */ |
duke@1 | 343 | try { |
duke@1 | 344 | ZipFile z = new ZipFile(file); |
duke@1 | 345 | z.close(); |
duke@1 | 346 | if (warn) |
duke@1 | 347 | log.warning("unexpected.archive.file", file); |
duke@1 | 348 | } catch (IOException e) { |
duke@1 | 349 | // FIXME: include e.getLocalizedMessage in warning |
duke@1 | 350 | if (warn) |
duke@1 | 351 | log.warning("invalid.archive.file", file); |
duke@1 | 352 | return; |
duke@1 | 353 | } |
duke@1 | 354 | } |
duke@1 | 355 | } |
duke@1 | 356 | |
duke@1 | 357 | /* Now what we have left is either a directory or a file name |
duke@1 | 358 | confirming to archive naming convention */ |
duke@1 | 359 | super.add(file); |
duke@1 | 360 | canonicalValues.add(pe.cannonicalPath); |
duke@1 | 361 | |
duke@1 | 362 | if (expandJarClassPaths && file.exists() && file.isFile()) |
duke@1 | 363 | addJarClassPath(file, warn); |
duke@1 | 364 | } |
duke@1 | 365 | |
duke@1 | 366 | // Adds referenced classpath elements from a jar's Class-Path |
duke@1 | 367 | // Manifest entry. In some future release, we may want to |
duke@1 | 368 | // update this code to recognize URLs rather than simple |
duke@1 | 369 | // filenames, but if we do, we should redo all path-related code. |
duke@1 | 370 | private void addJarClassPath(File jarFile, boolean warn) { |
duke@1 | 371 | try { |
duke@1 | 372 | java.util.List<String> manifestsList = manifestEntries.get(jarFile); |
duke@1 | 373 | if (!NON_BATCH_MODE) { |
duke@1 | 374 | lock.lock(); |
duke@1 | 375 | try { |
duke@1 | 376 | if (manifestsList != null) { |
duke@1 | 377 | for (String entr : manifestsList) { |
duke@1 | 378 | addFile(new File(entr), warn); |
duke@1 | 379 | } |
duke@1 | 380 | return; |
duke@1 | 381 | } |
duke@1 | 382 | } |
duke@1 | 383 | finally { |
duke@1 | 384 | lock.unlock(); |
duke@1 | 385 | } |
duke@1 | 386 | } |
duke@1 | 387 | |
duke@1 | 388 | if (!NON_BATCH_MODE) { |
duke@1 | 389 | manifestsList = new ArrayList<String>(); |
duke@1 | 390 | manifestEntries.put(jarFile, manifestsList); |
duke@1 | 391 | } |
duke@1 | 392 | |
duke@1 | 393 | String jarParent = jarFile.getParent(); |
duke@1 | 394 | JarFile jar = new JarFile(jarFile); |
duke@1 | 395 | |
duke@1 | 396 | try { |
duke@1 | 397 | Manifest man = jar.getManifest(); |
duke@1 | 398 | if (man == null) return; |
duke@1 | 399 | |
duke@1 | 400 | Attributes attr = man.getMainAttributes(); |
duke@1 | 401 | if (attr == null) return; |
duke@1 | 402 | |
duke@1 | 403 | String path = attr.getValue(Attributes.Name.CLASS_PATH); |
duke@1 | 404 | if (path == null) return; |
duke@1 | 405 | |
duke@1 | 406 | for (StringTokenizer st = new StringTokenizer(path); |
duke@1 | 407 | st.hasMoreTokens();) { |
duke@1 | 408 | String elt = st.nextToken(); |
duke@1 | 409 | File f = (jarParent == null ? new File(elt) : new File(jarParent, elt)); |
duke@1 | 410 | addFile(f, warn); |
duke@1 | 411 | |
duke@1 | 412 | if (!NON_BATCH_MODE) { |
duke@1 | 413 | lock.lock(); |
duke@1 | 414 | try { |
duke@1 | 415 | manifestsList.add(elt); |
duke@1 | 416 | } |
duke@1 | 417 | finally { |
duke@1 | 418 | lock.unlock(); |
duke@1 | 419 | } |
duke@1 | 420 | } |
duke@1 | 421 | } |
duke@1 | 422 | } finally { |
duke@1 | 423 | jar.close(); |
duke@1 | 424 | } |
duke@1 | 425 | } catch (IOException e) { |
duke@1 | 426 | log.error("error.reading.file", jarFile, e.getLocalizedMessage()); |
duke@1 | 427 | } |
duke@1 | 428 | } |
duke@1 | 429 | } |
duke@1 | 430 | |
duke@1 | 431 | private Path computeBootClassPath() { |
duke@1 | 432 | bootClassPathRtJar = null; |
duke@1 | 433 | String optionValue; |
duke@1 | 434 | Path path = new Path(); |
duke@1 | 435 | |
duke@1 | 436 | path.addFiles(options.get(XBOOTCLASSPATH_PREPEND)); |
duke@1 | 437 | |
duke@1 | 438 | if ((optionValue = options.get(ENDORSEDDIRS)) != null) |
duke@1 | 439 | path.addDirectories(optionValue); |
duke@1 | 440 | else |
duke@1 | 441 | path.addDirectories(System.getProperty("java.endorsed.dirs"), false); |
duke@1 | 442 | |
duke@1 | 443 | if ((optionValue = options.get(BOOTCLASSPATH)) != null) { |
duke@1 | 444 | path.addFiles(optionValue); |
duke@1 | 445 | } else { |
duke@1 | 446 | // Standard system classes for this compiler's release. |
duke@1 | 447 | String files = System.getProperty("sun.boot.class.path"); |
duke@1 | 448 | path.addFiles(files, false); |
duke@1 | 449 | File rt_jar = new File("rt.jar"); |
duke@1 | 450 | for (String file : new PathIterator(files, null)) { |
duke@1 | 451 | File f = new File(file); |
duke@1 | 452 | if (new File(f.getName()).equals(rt_jar)) |
duke@1 | 453 | bootClassPathRtJar = f; |
duke@1 | 454 | } |
duke@1 | 455 | } |
duke@1 | 456 | |
duke@1 | 457 | path.addFiles(options.get(XBOOTCLASSPATH_APPEND)); |
duke@1 | 458 | |
duke@1 | 459 | // Strictly speaking, standard extensions are not bootstrap |
duke@1 | 460 | // classes, but we treat them identically, so we'll pretend |
duke@1 | 461 | // that they are. |
duke@1 | 462 | if ((optionValue = options.get(EXTDIRS)) != null) |
duke@1 | 463 | path.addDirectories(optionValue); |
duke@1 | 464 | else |
duke@1 | 465 | path.addDirectories(System.getProperty("java.ext.dirs"), false); |
duke@1 | 466 | |
duke@1 | 467 | return path; |
duke@1 | 468 | } |
duke@1 | 469 | |
duke@1 | 470 | private Path computeUserClassPath() { |
duke@1 | 471 | String cp = options.get(CLASSPATH); |
duke@1 | 472 | |
duke@1 | 473 | // CLASSPATH environment variable when run from `javac'. |
duke@1 | 474 | if (cp == null) cp = System.getProperty("env.class.path"); |
duke@1 | 475 | |
duke@1 | 476 | // If invoked via a java VM (not the javac launcher), use the |
duke@1 | 477 | // platform class path |
duke@1 | 478 | if (cp == null && System.getProperty("application.home") == null) |
duke@1 | 479 | cp = System.getProperty("java.class.path"); |
duke@1 | 480 | |
duke@1 | 481 | // Default to current working directory. |
duke@1 | 482 | if (cp == null) cp = "."; |
duke@1 | 483 | |
duke@1 | 484 | return new Path() |
duke@1 | 485 | .expandJarClassPaths(true) // Only search user jars for Class-Paths |
duke@1 | 486 | .emptyPathDefault(".") // Empty path elt ==> current directory |
duke@1 | 487 | .addFiles(cp); |
duke@1 | 488 | } |
duke@1 | 489 | |
duke@1 | 490 | private Path computeSourcePath() { |
duke@1 | 491 | String sourcePathArg = options.get(SOURCEPATH); |
duke@1 | 492 | if (sourcePathArg == null) |
duke@1 | 493 | return null; |
duke@1 | 494 | |
duke@1 | 495 | return new Path().addFiles(sourcePathArg); |
duke@1 | 496 | } |
duke@1 | 497 | |
duke@1 | 498 | private Path computeAnnotationProcessorPath() { |
duke@1 | 499 | String processorPathArg = options.get(PROCESSORPATH); |
duke@1 | 500 | if (processorPathArg == null) |
duke@1 | 501 | return null; |
duke@1 | 502 | |
duke@1 | 503 | return new Path().addFiles(processorPathArg); |
duke@1 | 504 | } |
duke@1 | 505 | |
duke@1 | 506 | /** The actual effective locations searched for sources */ |
duke@1 | 507 | private Path sourceSearchPath; |
duke@1 | 508 | |
duke@1 | 509 | public Collection<File> sourceSearchPath() { |
duke@1 | 510 | if (sourceSearchPath == null) { |
duke@1 | 511 | lazy(); |
duke@1 | 512 | Path sourcePath = getPathForLocation(SOURCE_PATH); |
duke@1 | 513 | Path userClassPath = getPathForLocation(CLASS_PATH); |
duke@1 | 514 | sourceSearchPath = sourcePath != null ? sourcePath : userClassPath; |
duke@1 | 515 | } |
duke@1 | 516 | return Collections.unmodifiableCollection(sourceSearchPath); |
duke@1 | 517 | } |
duke@1 | 518 | |
duke@1 | 519 | /** The actual effective locations searched for classes */ |
duke@1 | 520 | private Path classSearchPath; |
duke@1 | 521 | |
duke@1 | 522 | public Collection<File> classSearchPath() { |
duke@1 | 523 | if (classSearchPath == null) { |
duke@1 | 524 | lazy(); |
duke@1 | 525 | Path bootClassPath = getPathForLocation(PLATFORM_CLASS_PATH); |
duke@1 | 526 | Path userClassPath = getPathForLocation(CLASS_PATH); |
duke@1 | 527 | classSearchPath = new Path(); |
duke@1 | 528 | classSearchPath.addAll(bootClassPath); |
duke@1 | 529 | classSearchPath.addAll(userClassPath); |
duke@1 | 530 | } |
duke@1 | 531 | return Collections.unmodifiableCollection(classSearchPath); |
duke@1 | 532 | } |
duke@1 | 533 | |
duke@1 | 534 | /** The actual effective locations for non-source, non-class files */ |
duke@1 | 535 | private Path otherSearchPath; |
duke@1 | 536 | |
duke@1 | 537 | Collection<File> otherSearchPath() { |
duke@1 | 538 | if (otherSearchPath == null) { |
duke@1 | 539 | lazy(); |
duke@1 | 540 | Path userClassPath = getPathForLocation(CLASS_PATH); |
duke@1 | 541 | Path sourcePath = getPathForLocation(SOURCE_PATH); |
duke@1 | 542 | if (sourcePath == null) |
duke@1 | 543 | otherSearchPath = userClassPath; |
duke@1 | 544 | else { |
duke@1 | 545 | otherSearchPath = new Path(); |
duke@1 | 546 | otherSearchPath.addAll(userClassPath); |
duke@1 | 547 | otherSearchPath.addAll(sourcePath); |
duke@1 | 548 | } |
duke@1 | 549 | } |
duke@1 | 550 | return Collections.unmodifiableCollection(otherSearchPath); |
duke@1 | 551 | } |
duke@1 | 552 | |
duke@1 | 553 | /** Is this the name of an archive file? */ |
duke@1 | 554 | private static boolean isArchive(File file) { |
duke@1 | 555 | String n = file.getName().toLowerCase(); |
duke@1 | 556 | boolean isFile = false; |
duke@1 | 557 | if (!NON_BATCH_MODE) { |
duke@1 | 558 | Boolean isf = isDirectory.get(file); |
duke@1 | 559 | if (isf == null) { |
duke@1 | 560 | isFile = file.isFile(); |
duke@1 | 561 | isDirectory.put(file, isFile); |
duke@1 | 562 | } |
duke@1 | 563 | else { |
duke@1 | 564 | isFile = isf; |
duke@1 | 565 | } |
duke@1 | 566 | } |
duke@1 | 567 | else { |
duke@1 | 568 | isFile = file.isFile(); |
duke@1 | 569 | } |
duke@1 | 570 | |
duke@1 | 571 | return isFile |
duke@1 | 572 | && (n.endsWith(".jar") || n.endsWith(".zip")); |
duke@1 | 573 | } |
duke@1 | 574 | } |