Wed, 26 Jan 2011 11:20:19 -0800
6554097: "final" confuses @SuppressWarnings
Reviewed-by: mcimadamore
duke@1 | 1 | /* |
jjg@818 | 2 | * Copyright (c) 2003, 2011, Oracle and/or its affiliates. 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 |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle 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 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
jjg@50 | 26 | package com.sun.tools.javac.file; |
jjg@50 | 27 | |
duke@1 | 28 | import java.io.File; |
duke@1 | 29 | import java.io.IOException; |
darcy@497 | 30 | import java.net.MalformedURLException; |
darcy@497 | 31 | import java.net.URL; |
duke@1 | 32 | import java.util.HashMap; |
duke@1 | 33 | import java.util.HashSet; |
duke@1 | 34 | import java.util.Map; |
duke@1 | 35 | import java.util.Set; |
duke@1 | 36 | import java.util.Collection; |
duke@1 | 37 | import java.util.Collections; |
duke@1 | 38 | import java.util.LinkedHashSet; |
darcy@497 | 39 | import java.util.StringTokenizer; |
duke@1 | 40 | import java.util.zip.ZipFile; |
duke@1 | 41 | import javax.tools.JavaFileManager.Location; |
duke@1 | 42 | |
jjg@50 | 43 | import com.sun.tools.javac.code.Lint; |
jjg@50 | 44 | import com.sun.tools.javac.util.Context; |
jjg@151 | 45 | import com.sun.tools.javac.util.ListBuffer; |
jjg@50 | 46 | import com.sun.tools.javac.util.Log; |
jjg@50 | 47 | import com.sun.tools.javac.util.Options; |
jjg@50 | 48 | |
jjg@50 | 49 | import static javax.tools.StandardLocation.*; |
duke@1 | 50 | import static com.sun.tools.javac.main.OptionName.*; |
duke@1 | 51 | |
duke@1 | 52 | /** This class converts command line arguments, environment variables |
duke@1 | 53 | * and system properties (in File.pathSeparator-separated String form) |
duke@1 | 54 | * into a boot class path, user class path, and source path (in |
duke@1 | 55 | * Collection<String> form). |
duke@1 | 56 | * |
jjg@581 | 57 | * <p><b>This is NOT part of any supported API. |
jjg@581 | 58 | * If you write code that depends on this, you do so at your own risk. |
duke@1 | 59 | * This code and its internal interfaces are subject to change or |
duke@1 | 60 | * deletion without notice.</b> |
duke@1 | 61 | */ |
duke@1 | 62 | public class Paths { |
duke@1 | 63 | |
duke@1 | 64 | /** The context key for the todo list */ |
duke@1 | 65 | protected static final Context.Key<Paths> pathsKey = |
duke@1 | 66 | new Context.Key<Paths>(); |
duke@1 | 67 | |
jjg@14 | 68 | /** Get the Paths instance for this context. |
jjg@14 | 69 | * @param context the context |
jjg@14 | 70 | * @return the Paths instance for this context |
jjg@14 | 71 | */ |
jjg@450 | 72 | public static Paths instance(Context context) { |
duke@1 | 73 | Paths instance = context.get(pathsKey); |
duke@1 | 74 | if (instance == null) |
duke@1 | 75 | instance = new Paths(context); |
duke@1 | 76 | return instance; |
duke@1 | 77 | } |
duke@1 | 78 | |
duke@1 | 79 | /** The log to use for warning output */ |
duke@1 | 80 | private Log log; |
duke@1 | 81 | |
duke@1 | 82 | /** Collection of command-line options */ |
duke@1 | 83 | private Options options; |
duke@1 | 84 | |
duke@1 | 85 | /** Handler for -Xlint options */ |
duke@1 | 86 | private Lint lint; |
duke@1 | 87 | |
jjg@106 | 88 | /** Access to (possibly cached) file info */ |
jjg@106 | 89 | private FSInfo fsInfo; |
duke@1 | 90 | |
duke@1 | 91 | protected Paths(Context context) { |
duke@1 | 92 | context.put(pathsKey, this); |
duke@1 | 93 | pathsForLocation = new HashMap<Location,Path>(16); |
duke@1 | 94 | setContext(context); |
duke@1 | 95 | } |
duke@1 | 96 | |
duke@1 | 97 | void setContext(Context context) { |
duke@1 | 98 | log = Log.instance(context); |
duke@1 | 99 | options = Options.instance(context); |
duke@1 | 100 | lint = Lint.instance(context); |
jjg@106 | 101 | fsInfo = FSInfo.instance(context); |
duke@1 | 102 | } |
duke@1 | 103 | |
duke@1 | 104 | /** Whether to warn about non-existent path elements */ |
duke@1 | 105 | private boolean warn; |
duke@1 | 106 | |
duke@1 | 107 | private Map<Location, Path> pathsForLocation; |
duke@1 | 108 | |
duke@1 | 109 | private boolean inited = false; // TODO? caching bad? |
duke@1 | 110 | |
duke@1 | 111 | /** |
duke@1 | 112 | * rt.jar as found on the default bootclass path. If the user specified a |
duke@1 | 113 | * bootclasspath, null is used. |
duke@1 | 114 | */ |
jjg@818 | 115 | private File defaultBootClassPathRtJar = null; |
duke@1 | 116 | |
jjg@757 | 117 | /** |
jjg@757 | 118 | * Is bootclasspath the default? |
jjg@757 | 119 | */ |
jjg@757 | 120 | private boolean isDefaultBootClassPath; |
jjg@757 | 121 | |
duke@1 | 122 | Path getPathForLocation(Location location) { |
duke@1 | 123 | Path path = pathsForLocation.get(location); |
duke@1 | 124 | if (path == null) |
duke@1 | 125 | setPathForLocation(location, null); |
duke@1 | 126 | return pathsForLocation.get(location); |
duke@1 | 127 | } |
duke@1 | 128 | |
duke@1 | 129 | void setPathForLocation(Location location, Iterable<? extends File> path) { |
duke@1 | 130 | // TODO? if (inited) throw new IllegalStateException |
duke@1 | 131 | // TODO: otherwise reset sourceSearchPath, classSearchPath as needed |
duke@1 | 132 | Path p; |
duke@1 | 133 | if (path == null) { |
duke@1 | 134 | if (location == CLASS_PATH) |
duke@1 | 135 | p = computeUserClassPath(); |
duke@1 | 136 | else if (location == PLATFORM_CLASS_PATH) |
jjg@757 | 137 | p = computeBootClassPath(); // sets isDefaultBootClassPath |
duke@1 | 138 | else if (location == ANNOTATION_PROCESSOR_PATH) |
duke@1 | 139 | p = computeAnnotationProcessorPath(); |
duke@1 | 140 | else if (location == SOURCE_PATH) |
duke@1 | 141 | p = computeSourcePath(); |
duke@1 | 142 | else |
duke@1 | 143 | // no defaults for other paths |
duke@1 | 144 | p = null; |
duke@1 | 145 | } else { |
jjg@818 | 146 | if (location == PLATFORM_CLASS_PATH) { |
jjg@818 | 147 | defaultBootClassPathRtJar = null; |
jjg@757 | 148 | isDefaultBootClassPath = false; |
jjg@818 | 149 | } |
duke@1 | 150 | p = new Path(); |
duke@1 | 151 | for (File f: path) |
duke@1 | 152 | p.addFile(f, warn); // TODO: is use of warn appropriate? |
duke@1 | 153 | } |
duke@1 | 154 | pathsForLocation.put(location, p); |
duke@1 | 155 | } |
duke@1 | 156 | |
jjg@758 | 157 | public boolean isDefaultBootClassPath() { |
jjg@757 | 158 | lazy(); |
jjg@757 | 159 | return isDefaultBootClassPath; |
jjg@757 | 160 | } |
jjg@757 | 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 | |
jjg@818 | 190 | boolean isDefaultBootClassPathRtJar(File file) { |
jjg@818 | 191 | return file.equals(defaultBootClassPathRtJar); |
duke@1 | 192 | } |
duke@1 | 193 | |
jjg@151 | 194 | /** |
jjg@151 | 195 | * Split a path into its elements. Empty path elements will be ignored. |
jjg@151 | 196 | * @param path The path to be split |
jjg@151 | 197 | * @return The elements of the path |
jjg@151 | 198 | */ |
jjg@151 | 199 | private static Iterable<File> getPathEntries(String path) { |
jjg@151 | 200 | return getPathEntries(path, null); |
jjg@151 | 201 | } |
duke@1 | 202 | |
jjg@151 | 203 | /** |
jjg@151 | 204 | * Split a path into its elements. If emptyPathDefault is not null, all |
jjg@151 | 205 | * empty elements in the path, including empty elements at either end of |
jjg@151 | 206 | * the path, will be replaced with the value of emptyPathDefault. |
jjg@151 | 207 | * @param path The path to be split |
jjg@151 | 208 | * @param emptyPathDefault The value to substitute for empty path elements, |
jjg@151 | 209 | * or null, to ignore empty path elements |
jjg@151 | 210 | * @return The elements of the path |
jjg@151 | 211 | */ |
jjg@151 | 212 | private static Iterable<File> getPathEntries(String path, File emptyPathDefault) { |
jjg@151 | 213 | ListBuffer<File> entries = new ListBuffer<File>(); |
jjg@151 | 214 | int start = 0; |
jjg@151 | 215 | while (start <= path.length()) { |
jjg@151 | 216 | int sep = path.indexOf(File.pathSeparatorChar, start); |
jjg@151 | 217 | if (sep == -1) |
jjg@151 | 218 | sep = path.length(); |
jjg@151 | 219 | if (start < sep) |
jjg@151 | 220 | entries.add(new File(path.substring(start, sep))); |
jjg@151 | 221 | else if (emptyPathDefault != null) |
jjg@151 | 222 | entries.add(emptyPathDefault); |
jjg@151 | 223 | start = sep + 1; |
duke@1 | 224 | } |
jjg@151 | 225 | return entries; |
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 */ |
jjg@151 | 240 | private File emptyPathDefault = null; |
duke@1 | 241 | |
jjg@151 | 242 | public Path emptyPathDefault(File 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) |
jjg@151 | 251 | for (File dir : getPathEntries(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 | |
jjg@151 | 260 | private void addDirectory(File dir, boolean warn) { |
jjg@151 | 261 | if (!dir.isDirectory()) { |
duke@1 | 262 | if (warn) |
jjg@612 | 263 | log.warning(Lint.LintCategory.PATH, |
jjg@612 | 264 | "dir.path.element.not.found", dir); |
duke@1 | 265 | return; |
duke@1 | 266 | } |
duke@1 | 267 | |
jjg@151 | 268 | File[] files = dir.listFiles(); |
duke@1 | 269 | if (files == null) |
duke@1 | 270 | return; |
duke@1 | 271 | |
duke@1 | 272 | for (File direntry : files) { |
duke@1 | 273 | if (isArchive(direntry)) |
duke@1 | 274 | addFile(direntry, warn); |
duke@1 | 275 | } |
duke@1 | 276 | } |
duke@1 | 277 | |
duke@1 | 278 | public Path addFiles(String files, boolean warn) { |
jjg@757 | 279 | if (files != null) { |
jjg@151 | 280 | for (File file : getPathEntries(files, emptyPathDefault)) |
duke@1 | 281 | addFile(file, warn); |
jjg@757 | 282 | } |
duke@1 | 283 | return this; |
duke@1 | 284 | } |
duke@1 | 285 | |
duke@1 | 286 | public Path addFiles(String files) { |
duke@1 | 287 | return addFiles(files, warn); |
duke@1 | 288 | } |
duke@1 | 289 | |
duke@1 | 290 | public void addFile(File file, boolean warn) { |
jjh@801 | 291 | if (contains(file)) { |
jjh@801 | 292 | // discard duplicates |
duke@1 | 293 | return; |
duke@1 | 294 | } |
duke@1 | 295 | |
jjg@106 | 296 | if (! fsInfo.exists(file)) { |
duke@1 | 297 | /* No such file or directory exists */ |
jjg@612 | 298 | if (warn) { |
jjg@612 | 299 | log.warning(Lint.LintCategory.PATH, |
jjg@612 | 300 | "path.element.not.found", file); |
jjg@612 | 301 | } |
jjh@801 | 302 | super.add(file); |
jjh@801 | 303 | return; |
jjh@801 | 304 | } |
jjh@801 | 305 | |
jjh@801 | 306 | File canonFile = fsInfo.getCanonicalFile(file); |
jjh@801 | 307 | if (canonicalValues.contains(canonFile)) { |
jjh@801 | 308 | /* Discard duplicates and avoid infinite recursion */ |
jjh@801 | 309 | return; |
jjh@801 | 310 | } |
jjh@801 | 311 | |
jjh@801 | 312 | if (fsInfo.isFile(file)) { |
duke@1 | 313 | /* File is an ordinary file. */ |
duke@1 | 314 | if (!isArchive(file)) { |
duke@1 | 315 | /* Not a recognized extension; open it to see if |
duke@1 | 316 | it looks like a valid zip file. */ |
duke@1 | 317 | try { |
duke@1 | 318 | ZipFile z = new ZipFile(file); |
duke@1 | 319 | z.close(); |
jjg@612 | 320 | if (warn) { |
jjg@612 | 321 | log.warning(Lint.LintCategory.PATH, |
jjg@612 | 322 | "unexpected.archive.file", file); |
jjg@612 | 323 | } |
duke@1 | 324 | } catch (IOException e) { |
duke@1 | 325 | // FIXME: include e.getLocalizedMessage in warning |
jjg@612 | 326 | if (warn) { |
jjg@612 | 327 | log.warning(Lint.LintCategory.PATH, |
jjg@612 | 328 | "invalid.archive.file", file); |
jjg@612 | 329 | } |
duke@1 | 330 | return; |
duke@1 | 331 | } |
duke@1 | 332 | } |
duke@1 | 333 | } |
duke@1 | 334 | |
duke@1 | 335 | /* Now what we have left is either a directory or a file name |
jjh@801 | 336 | conforming to archive naming convention */ |
duke@1 | 337 | super.add(file); |
jjg@106 | 338 | canonicalValues.add(canonFile); |
duke@1 | 339 | |
jjh@801 | 340 | if (expandJarClassPaths && fsInfo.isFile(file)) |
duke@1 | 341 | addJarClassPath(file, warn); |
duke@1 | 342 | } |
duke@1 | 343 | |
duke@1 | 344 | // Adds referenced classpath elements from a jar's Class-Path |
duke@1 | 345 | // Manifest entry. In some future release, we may want to |
duke@1 | 346 | // update this code to recognize URLs rather than simple |
duke@1 | 347 | // filenames, but if we do, we should redo all path-related code. |
duke@1 | 348 | private void addJarClassPath(File jarFile, boolean warn) { |
duke@1 | 349 | try { |
jjg@106 | 350 | for (File f: fsInfo.getJarClassPath(jarFile)) { |
jjg@106 | 351 | addFile(f, warn); |
duke@1 | 352 | } |
duke@1 | 353 | } catch (IOException e) { |
jjg@510 | 354 | log.error("error.reading.file", jarFile, JavacFileManager.getMessage(e)); |
duke@1 | 355 | } |
duke@1 | 356 | } |
duke@1 | 357 | } |
duke@1 | 358 | |
duke@1 | 359 | private Path computeBootClassPath() { |
jjg@818 | 360 | defaultBootClassPathRtJar = null; |
duke@1 | 361 | Path path = new Path(); |
duke@1 | 362 | |
jjg@757 | 363 | String bootclasspathOpt = options.get(BOOTCLASSPATH); |
jjg@757 | 364 | String endorseddirsOpt = options.get(ENDORSEDDIRS); |
jjg@757 | 365 | String extdirsOpt = options.get(EXTDIRS); |
jjg@757 | 366 | String xbootclasspathPrependOpt = options.get(XBOOTCLASSPATH_PREPEND); |
jjg@757 | 367 | String xbootclasspathAppendOpt = options.get(XBOOTCLASSPATH_APPEND); |
duke@1 | 368 | |
jjg@757 | 369 | path.addFiles(xbootclasspathPrependOpt); |
jjg@757 | 370 | |
jjg@757 | 371 | if (endorseddirsOpt != null) |
jjg@757 | 372 | path.addDirectories(endorseddirsOpt); |
duke@1 | 373 | else |
duke@1 | 374 | path.addDirectories(System.getProperty("java.endorsed.dirs"), false); |
duke@1 | 375 | |
jjg@757 | 376 | if (bootclasspathOpt != null) { |
jjg@757 | 377 | path.addFiles(bootclasspathOpt); |
duke@1 | 378 | } else { |
duke@1 | 379 | // Standard system classes for this compiler's release. |
duke@1 | 380 | String files = System.getProperty("sun.boot.class.path"); |
duke@1 | 381 | path.addFiles(files, false); |
duke@1 | 382 | File rt_jar = new File("rt.jar"); |
jjg@151 | 383 | for (File file : getPathEntries(files)) { |
jjg@151 | 384 | if (new File(file.getName()).equals(rt_jar)) |
jjg@818 | 385 | defaultBootClassPathRtJar = file; |
duke@1 | 386 | } |
duke@1 | 387 | } |
duke@1 | 388 | |
jjg@757 | 389 | path.addFiles(xbootclasspathAppendOpt); |
duke@1 | 390 | |
duke@1 | 391 | // Strictly speaking, standard extensions are not bootstrap |
duke@1 | 392 | // classes, but we treat them identically, so we'll pretend |
duke@1 | 393 | // that they are. |
jjg@757 | 394 | if (extdirsOpt != null) |
jjg@757 | 395 | path.addDirectories(extdirsOpt); |
duke@1 | 396 | else |
duke@1 | 397 | path.addDirectories(System.getProperty("java.ext.dirs"), false); |
duke@1 | 398 | |
jjg@757 | 399 | isDefaultBootClassPath = |
jjg@757 | 400 | (xbootclasspathPrependOpt == null) && |
jjg@757 | 401 | (bootclasspathOpt == null) && |
jjg@757 | 402 | (xbootclasspathAppendOpt == null); |
jjg@757 | 403 | |
duke@1 | 404 | return path; |
duke@1 | 405 | } |
duke@1 | 406 | |
duke@1 | 407 | private Path computeUserClassPath() { |
duke@1 | 408 | String cp = options.get(CLASSPATH); |
duke@1 | 409 | |
duke@1 | 410 | // CLASSPATH environment variable when run from `javac'. |
duke@1 | 411 | if (cp == null) cp = System.getProperty("env.class.path"); |
duke@1 | 412 | |
duke@1 | 413 | // If invoked via a java VM (not the javac launcher), use the |
duke@1 | 414 | // platform class path |
duke@1 | 415 | if (cp == null && System.getProperty("application.home") == null) |
duke@1 | 416 | cp = System.getProperty("java.class.path"); |
duke@1 | 417 | |
duke@1 | 418 | // Default to current working directory. |
duke@1 | 419 | if (cp == null) cp = "."; |
duke@1 | 420 | |
duke@1 | 421 | return new Path() |
jjg@151 | 422 | .expandJarClassPaths(true) // Only search user jars for Class-Paths |
jjg@151 | 423 | .emptyPathDefault(new File(".")) // Empty path elt ==> current directory |
duke@1 | 424 | .addFiles(cp); |
duke@1 | 425 | } |
duke@1 | 426 | |
duke@1 | 427 | private Path computeSourcePath() { |
duke@1 | 428 | String sourcePathArg = options.get(SOURCEPATH); |
duke@1 | 429 | if (sourcePathArg == null) |
duke@1 | 430 | return null; |
duke@1 | 431 | |
duke@1 | 432 | return new Path().addFiles(sourcePathArg); |
duke@1 | 433 | } |
duke@1 | 434 | |
duke@1 | 435 | private Path computeAnnotationProcessorPath() { |
duke@1 | 436 | String processorPathArg = options.get(PROCESSORPATH); |
duke@1 | 437 | if (processorPathArg == null) |
duke@1 | 438 | return null; |
duke@1 | 439 | |
duke@1 | 440 | return new Path().addFiles(processorPathArg); |
duke@1 | 441 | } |
duke@1 | 442 | |
duke@1 | 443 | /** The actual effective locations searched for sources */ |
duke@1 | 444 | private Path sourceSearchPath; |
duke@1 | 445 | |
duke@1 | 446 | public Collection<File> sourceSearchPath() { |
duke@1 | 447 | if (sourceSearchPath == null) { |
duke@1 | 448 | lazy(); |
duke@1 | 449 | Path sourcePath = getPathForLocation(SOURCE_PATH); |
duke@1 | 450 | Path userClassPath = getPathForLocation(CLASS_PATH); |
duke@1 | 451 | sourceSearchPath = sourcePath != null ? sourcePath : userClassPath; |
duke@1 | 452 | } |
duke@1 | 453 | return Collections.unmodifiableCollection(sourceSearchPath); |
duke@1 | 454 | } |
duke@1 | 455 | |
duke@1 | 456 | /** The actual effective locations searched for classes */ |
duke@1 | 457 | private Path classSearchPath; |
duke@1 | 458 | |
duke@1 | 459 | public Collection<File> classSearchPath() { |
duke@1 | 460 | if (classSearchPath == null) { |
duke@1 | 461 | lazy(); |
duke@1 | 462 | Path bootClassPath = getPathForLocation(PLATFORM_CLASS_PATH); |
duke@1 | 463 | Path userClassPath = getPathForLocation(CLASS_PATH); |
duke@1 | 464 | classSearchPath = new Path(); |
duke@1 | 465 | classSearchPath.addAll(bootClassPath); |
duke@1 | 466 | classSearchPath.addAll(userClassPath); |
duke@1 | 467 | } |
duke@1 | 468 | return Collections.unmodifiableCollection(classSearchPath); |
duke@1 | 469 | } |
duke@1 | 470 | |
duke@1 | 471 | /** The actual effective locations for non-source, non-class files */ |
duke@1 | 472 | private Path otherSearchPath; |
duke@1 | 473 | |
duke@1 | 474 | Collection<File> otherSearchPath() { |
duke@1 | 475 | if (otherSearchPath == null) { |
duke@1 | 476 | lazy(); |
duke@1 | 477 | Path userClassPath = getPathForLocation(CLASS_PATH); |
duke@1 | 478 | Path sourcePath = getPathForLocation(SOURCE_PATH); |
duke@1 | 479 | if (sourcePath == null) |
duke@1 | 480 | otherSearchPath = userClassPath; |
duke@1 | 481 | else { |
duke@1 | 482 | otherSearchPath = new Path(); |
duke@1 | 483 | otherSearchPath.addAll(userClassPath); |
duke@1 | 484 | otherSearchPath.addAll(sourcePath); |
duke@1 | 485 | } |
duke@1 | 486 | } |
duke@1 | 487 | return Collections.unmodifiableCollection(otherSearchPath); |
duke@1 | 488 | } |
duke@1 | 489 | |
duke@1 | 490 | /** Is this the name of an archive file? */ |
jjg@106 | 491 | private boolean isArchive(File file) { |
duke@1 | 492 | String n = file.getName().toLowerCase(); |
jjg@106 | 493 | return fsInfo.isFile(file) |
duke@1 | 494 | && (n.endsWith(".jar") || n.endsWith(".zip")); |
duke@1 | 495 | } |
darcy@497 | 496 | |
darcy@497 | 497 | /** |
darcy@497 | 498 | * Utility method for converting a search path string to an array |
darcy@497 | 499 | * of directory and JAR file URLs. |
darcy@497 | 500 | * |
darcy@497 | 501 | * Note that this method is called by apt and the DocletInvoker. |
darcy@497 | 502 | * |
darcy@497 | 503 | * @param path the search path string |
darcy@497 | 504 | * @return the resulting array of directory and JAR file URLs |
darcy@497 | 505 | */ |
darcy@497 | 506 | public static URL[] pathToURLs(String path) { |
darcy@497 | 507 | StringTokenizer st = new StringTokenizer(path, File.pathSeparator); |
darcy@497 | 508 | URL[] urls = new URL[st.countTokens()]; |
darcy@497 | 509 | int count = 0; |
darcy@497 | 510 | while (st.hasMoreTokens()) { |
darcy@497 | 511 | URL url = fileToURL(new File(st.nextToken())); |
darcy@497 | 512 | if (url != null) { |
darcy@497 | 513 | urls[count++] = url; |
darcy@497 | 514 | } |
darcy@497 | 515 | } |
darcy@497 | 516 | if (urls.length != count) { |
darcy@497 | 517 | URL[] tmp = new URL[count]; |
darcy@497 | 518 | System.arraycopy(urls, 0, tmp, 0, count); |
darcy@497 | 519 | urls = tmp; |
darcy@497 | 520 | } |
darcy@497 | 521 | return urls; |
darcy@497 | 522 | } |
darcy@497 | 523 | |
darcy@497 | 524 | /** |
darcy@497 | 525 | * Returns the directory or JAR file URL corresponding to the specified |
darcy@497 | 526 | * local file name. |
darcy@497 | 527 | * |
darcy@497 | 528 | * @param file the File object |
darcy@497 | 529 | * @return the resulting directory or JAR file URL, or null if unknown |
darcy@497 | 530 | */ |
darcy@497 | 531 | private static URL fileToURL(File file) { |
darcy@497 | 532 | String name; |
darcy@497 | 533 | try { |
darcy@497 | 534 | name = file.getCanonicalPath(); |
darcy@497 | 535 | } catch (IOException e) { |
darcy@497 | 536 | name = file.getAbsolutePath(); |
darcy@497 | 537 | } |
darcy@497 | 538 | name = name.replace(File.separatorChar, '/'); |
darcy@497 | 539 | if (!name.startsWith("/")) { |
darcy@497 | 540 | name = "/" + name; |
darcy@497 | 541 | } |
darcy@497 | 542 | // If the file does not exist, then assume that it's a directory |
darcy@497 | 543 | if (!file.isFile()) { |
darcy@497 | 544 | name = name + "/"; |
darcy@497 | 545 | } |
darcy@497 | 546 | try { |
darcy@497 | 547 | return new URL("file", "", name); |
darcy@497 | 548 | } catch (MalformedURLException e) { |
darcy@497 | 549 | throw new IllegalArgumentException(file.toString()); |
darcy@497 | 550 | } |
darcy@497 | 551 | } |
duke@1 | 552 | } |