Wed, 27 Apr 2016 01:34:52 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.tools.javac.file; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.io.FileNotFoundException; |
aoqi@0 | 29 | import java.util.Iterator; |
aoqi@0 | 30 | import java.io.File; |
aoqi@0 | 31 | import java.io.IOException; |
aoqi@0 | 32 | import java.net.MalformedURLException; |
aoqi@0 | 33 | import java.net.URL; |
aoqi@0 | 34 | import java.util.Arrays; |
aoqi@0 | 35 | import java.util.Collection; |
aoqi@0 | 36 | import java.util.Collections; |
aoqi@0 | 37 | import java.util.EnumMap; |
aoqi@0 | 38 | import java.util.EnumSet; |
aoqi@0 | 39 | import java.util.HashMap; |
aoqi@0 | 40 | import java.util.HashSet; |
aoqi@0 | 41 | import java.util.LinkedHashSet; |
aoqi@0 | 42 | import java.util.Map; |
aoqi@0 | 43 | import java.util.Set; |
aoqi@0 | 44 | import java.util.StringTokenizer; |
aoqi@0 | 45 | import java.util.zip.ZipFile; |
aoqi@0 | 46 | import javax.tools.JavaFileManager.Location; |
aoqi@0 | 47 | import javax.tools.StandardLocation; |
aoqi@0 | 48 | |
aoqi@0 | 49 | import com.sun.tools.javac.code.Lint; |
aoqi@0 | 50 | import com.sun.tools.javac.main.Option; |
aoqi@0 | 51 | import com.sun.tools.javac.util.ListBuffer; |
aoqi@0 | 52 | import com.sun.tools.javac.util.Log; |
aoqi@0 | 53 | import com.sun.tools.javac.util.Options; |
aoqi@0 | 54 | import com.sun.tools.javac.util.StringUtils; |
aoqi@0 | 55 | |
aoqi@0 | 56 | import javax.tools.JavaFileManager; |
aoqi@0 | 57 | import javax.tools.StandardJavaFileManager; |
aoqi@0 | 58 | import static javax.tools.StandardLocation.*; |
aoqi@0 | 59 | import static com.sun.tools.javac.main.Option.*; |
aoqi@0 | 60 | |
aoqi@0 | 61 | /** This class converts command line arguments, environment variables |
aoqi@0 | 62 | * and system properties (in File.pathSeparator-separated String form) |
aoqi@0 | 63 | * into a boot class path, user class path, and source path (in |
aoqi@0 | 64 | * {@code Collection<String>} form). |
aoqi@0 | 65 | * |
aoqi@0 | 66 | * <p><b>This is NOT part of any supported API. |
aoqi@0 | 67 | * If you write code that depends on this, you do so at your own risk. |
aoqi@0 | 68 | * This code and its internal interfaces are subject to change or |
aoqi@0 | 69 | * deletion without notice.</b> |
aoqi@0 | 70 | */ |
aoqi@0 | 71 | public class Locations { |
aoqi@0 | 72 | |
aoqi@0 | 73 | /** The log to use for warning output */ |
aoqi@0 | 74 | private Log log; |
aoqi@0 | 75 | |
aoqi@0 | 76 | /** Collection of command-line options */ |
aoqi@0 | 77 | private Options options; |
aoqi@0 | 78 | |
aoqi@0 | 79 | /** Handler for -Xlint options */ |
aoqi@0 | 80 | private Lint lint; |
aoqi@0 | 81 | |
aoqi@0 | 82 | /** Access to (possibly cached) file info */ |
aoqi@0 | 83 | private FSInfo fsInfo; |
aoqi@0 | 84 | |
aoqi@0 | 85 | /** Whether to warn about non-existent path elements */ |
aoqi@0 | 86 | private boolean warn; |
aoqi@0 | 87 | |
aoqi@0 | 88 | // TODO: remove need for this |
aoqi@0 | 89 | private boolean inited = false; // TODO? caching bad? |
aoqi@0 | 90 | |
aoqi@0 | 91 | public Locations() { |
aoqi@0 | 92 | initHandlers(); |
aoqi@0 | 93 | } |
aoqi@0 | 94 | |
aoqi@0 | 95 | public void update(Log log, Options options, Lint lint, FSInfo fsInfo) { |
aoqi@0 | 96 | this.log = log; |
aoqi@0 | 97 | this.options = options; |
aoqi@0 | 98 | this.lint = lint; |
aoqi@0 | 99 | this.fsInfo = fsInfo; |
aoqi@0 | 100 | } |
aoqi@0 | 101 | |
aoqi@0 | 102 | public Collection<File> bootClassPath() { |
aoqi@0 | 103 | return getLocation(PLATFORM_CLASS_PATH); |
aoqi@0 | 104 | } |
aoqi@0 | 105 | |
aoqi@0 | 106 | public boolean isDefaultBootClassPath() { |
aoqi@0 | 107 | BootClassPathLocationHandler h = |
aoqi@0 | 108 | (BootClassPathLocationHandler) getHandler(PLATFORM_CLASS_PATH); |
aoqi@0 | 109 | return h.isDefault(); |
aoqi@0 | 110 | } |
aoqi@0 | 111 | |
aoqi@0 | 112 | boolean isDefaultBootClassPathRtJar(File file) { |
aoqi@0 | 113 | BootClassPathLocationHandler h = |
aoqi@0 | 114 | (BootClassPathLocationHandler) getHandler(PLATFORM_CLASS_PATH); |
aoqi@0 | 115 | return h.isDefaultRtJar(file); |
aoqi@0 | 116 | } |
aoqi@0 | 117 | |
aoqi@0 | 118 | public Collection<File> userClassPath() { |
aoqi@0 | 119 | return getLocation(CLASS_PATH); |
aoqi@0 | 120 | } |
aoqi@0 | 121 | |
aoqi@0 | 122 | public Collection<File> sourcePath() { |
aoqi@0 | 123 | Collection<File> p = getLocation(SOURCE_PATH); |
aoqi@0 | 124 | // TODO: this should be handled by the LocationHandler |
aoqi@0 | 125 | return p == null || p.isEmpty() ? null : p; |
aoqi@0 | 126 | } |
aoqi@0 | 127 | |
aoqi@0 | 128 | /** |
aoqi@0 | 129 | * Split a path into its elements. Empty path elements will be ignored. |
aoqi@0 | 130 | * @param path The path to be split |
aoqi@0 | 131 | * @return The elements of the path |
aoqi@0 | 132 | */ |
aoqi@0 | 133 | private static Iterable<File> getPathEntries(String path) { |
aoqi@0 | 134 | return getPathEntries(path, null); |
aoqi@0 | 135 | } |
aoqi@0 | 136 | |
aoqi@0 | 137 | /** |
aoqi@0 | 138 | * Split a path into its elements. If emptyPathDefault is not null, all |
aoqi@0 | 139 | * empty elements in the path, including empty elements at either end of |
aoqi@0 | 140 | * the path, will be replaced with the value of emptyPathDefault. |
aoqi@0 | 141 | * @param path The path to be split |
aoqi@0 | 142 | * @param emptyPathDefault The value to substitute for empty path elements, |
aoqi@0 | 143 | * or null, to ignore empty path elements |
aoqi@0 | 144 | * @return The elements of the path |
aoqi@0 | 145 | */ |
aoqi@0 | 146 | private static Iterable<File> getPathEntries(String path, File emptyPathDefault) { |
aoqi@0 | 147 | ListBuffer<File> entries = new ListBuffer<File>(); |
aoqi@0 | 148 | int start = 0; |
aoqi@0 | 149 | while (start <= path.length()) { |
aoqi@0 | 150 | int sep = path.indexOf(File.pathSeparatorChar, start); |
aoqi@0 | 151 | if (sep == -1) |
aoqi@0 | 152 | sep = path.length(); |
aoqi@0 | 153 | if (start < sep) |
aoqi@0 | 154 | entries.add(new File(path.substring(start, sep))); |
aoqi@0 | 155 | else if (emptyPathDefault != null) |
aoqi@0 | 156 | entries.add(emptyPathDefault); |
aoqi@0 | 157 | start = sep + 1; |
aoqi@0 | 158 | } |
aoqi@0 | 159 | return entries; |
aoqi@0 | 160 | } |
aoqi@0 | 161 | |
aoqi@0 | 162 | /** |
aoqi@0 | 163 | * Utility class to help evaluate a path option. |
aoqi@0 | 164 | * Duplicate entries are ignored, jar class paths can be expanded. |
aoqi@0 | 165 | */ |
aoqi@0 | 166 | private class Path extends LinkedHashSet<File> { |
aoqi@0 | 167 | private static final long serialVersionUID = 0; |
aoqi@0 | 168 | |
aoqi@0 | 169 | private boolean expandJarClassPaths = false; |
aoqi@0 | 170 | private Set<File> canonicalValues = new HashSet<File>(); |
aoqi@0 | 171 | |
aoqi@0 | 172 | public Path expandJarClassPaths(boolean x) { |
aoqi@0 | 173 | expandJarClassPaths = x; |
aoqi@0 | 174 | return this; |
aoqi@0 | 175 | } |
aoqi@0 | 176 | |
aoqi@0 | 177 | /** What to use when path element is the empty string */ |
aoqi@0 | 178 | private File emptyPathDefault = null; |
aoqi@0 | 179 | |
aoqi@0 | 180 | public Path emptyPathDefault(File x) { |
aoqi@0 | 181 | emptyPathDefault = x; |
aoqi@0 | 182 | return this; |
aoqi@0 | 183 | } |
aoqi@0 | 184 | |
aoqi@0 | 185 | public Path() { super(); } |
aoqi@0 | 186 | |
aoqi@0 | 187 | public Path addDirectories(String dirs, boolean warn) { |
aoqi@0 | 188 | boolean prev = expandJarClassPaths; |
aoqi@0 | 189 | expandJarClassPaths = true; |
aoqi@0 | 190 | try { |
aoqi@0 | 191 | if (dirs != null) |
aoqi@0 | 192 | for (File dir : getPathEntries(dirs)) |
aoqi@0 | 193 | addDirectory(dir, warn); |
aoqi@0 | 194 | return this; |
aoqi@0 | 195 | } finally { |
aoqi@0 | 196 | expandJarClassPaths = prev; |
aoqi@0 | 197 | } |
aoqi@0 | 198 | } |
aoqi@0 | 199 | |
aoqi@0 | 200 | public Path addDirectories(String dirs) { |
aoqi@0 | 201 | return addDirectories(dirs, warn); |
aoqi@0 | 202 | } |
aoqi@0 | 203 | |
aoqi@0 | 204 | private void addDirectory(File dir, boolean warn) { |
aoqi@0 | 205 | if (!dir.isDirectory()) { |
aoqi@0 | 206 | if (warn) |
aoqi@0 | 207 | log.warning(Lint.LintCategory.PATH, |
aoqi@0 | 208 | "dir.path.element.not.found", dir); |
aoqi@0 | 209 | return; |
aoqi@0 | 210 | } |
aoqi@0 | 211 | |
aoqi@0 | 212 | File[] files = dir.listFiles(); |
aoqi@0 | 213 | if (files == null) |
aoqi@0 | 214 | return; |
aoqi@0 | 215 | |
aoqi@0 | 216 | for (File direntry : files) { |
aoqi@0 | 217 | if (isArchive(direntry)) |
aoqi@0 | 218 | addFile(direntry, warn); |
aoqi@0 | 219 | } |
aoqi@0 | 220 | } |
aoqi@0 | 221 | |
aoqi@0 | 222 | public Path addFiles(String files, boolean warn) { |
aoqi@0 | 223 | if (files != null) { |
aoqi@0 | 224 | addFiles(getPathEntries(files, emptyPathDefault), warn); |
aoqi@0 | 225 | } |
aoqi@0 | 226 | return this; |
aoqi@0 | 227 | } |
aoqi@0 | 228 | |
aoqi@0 | 229 | public Path addFiles(String files) { |
aoqi@0 | 230 | return addFiles(files, warn); |
aoqi@0 | 231 | } |
aoqi@0 | 232 | |
aoqi@0 | 233 | public Path addFiles(Iterable<? extends File> files, boolean warn) { |
aoqi@0 | 234 | if (files != null) { |
aoqi@0 | 235 | for (File file: files) |
aoqi@0 | 236 | addFile(file, warn); |
aoqi@0 | 237 | } |
aoqi@0 | 238 | return this; |
aoqi@0 | 239 | } |
aoqi@0 | 240 | |
aoqi@0 | 241 | public Path addFiles(Iterable<? extends File> files) { |
aoqi@0 | 242 | return addFiles(files, warn); |
aoqi@0 | 243 | } |
aoqi@0 | 244 | |
aoqi@0 | 245 | public void addFile(File file, boolean warn) { |
aoqi@0 | 246 | if (contains(file)) { |
aoqi@0 | 247 | // discard duplicates |
aoqi@0 | 248 | return; |
aoqi@0 | 249 | } |
aoqi@0 | 250 | |
aoqi@0 | 251 | if (! fsInfo.exists(file)) { |
aoqi@0 | 252 | /* No such file or directory exists */ |
aoqi@0 | 253 | if (warn) { |
aoqi@0 | 254 | log.warning(Lint.LintCategory.PATH, |
aoqi@0 | 255 | "path.element.not.found", file); |
aoqi@0 | 256 | } |
aoqi@0 | 257 | super.add(file); |
aoqi@0 | 258 | return; |
aoqi@0 | 259 | } |
aoqi@0 | 260 | |
aoqi@0 | 261 | File canonFile = fsInfo.getCanonicalFile(file); |
aoqi@0 | 262 | if (canonicalValues.contains(canonFile)) { |
aoqi@0 | 263 | /* Discard duplicates and avoid infinite recursion */ |
aoqi@0 | 264 | return; |
aoqi@0 | 265 | } |
aoqi@0 | 266 | |
aoqi@0 | 267 | if (fsInfo.isFile(file)) { |
aoqi@0 | 268 | /* File is an ordinary file. */ |
aoqi@0 | 269 | if (!isArchive(file)) { |
aoqi@0 | 270 | /* Not a recognized extension; open it to see if |
aoqi@0 | 271 | it looks like a valid zip file. */ |
aoqi@0 | 272 | try { |
aoqi@0 | 273 | ZipFile z = new ZipFile(file); |
aoqi@0 | 274 | z.close(); |
aoqi@0 | 275 | if (warn) { |
aoqi@0 | 276 | log.warning(Lint.LintCategory.PATH, |
aoqi@0 | 277 | "unexpected.archive.file", file); |
aoqi@0 | 278 | } |
aoqi@0 | 279 | } catch (IOException e) { |
aoqi@0 | 280 | // FIXME: include e.getLocalizedMessage in warning |
aoqi@0 | 281 | if (warn) { |
aoqi@0 | 282 | log.warning(Lint.LintCategory.PATH, |
aoqi@0 | 283 | "invalid.archive.file", file); |
aoqi@0 | 284 | } |
aoqi@0 | 285 | return; |
aoqi@0 | 286 | } |
aoqi@0 | 287 | } |
aoqi@0 | 288 | } |
aoqi@0 | 289 | |
aoqi@0 | 290 | /* Now what we have left is either a directory or a file name |
aoqi@0 | 291 | conforming to archive naming convention */ |
aoqi@0 | 292 | super.add(file); |
aoqi@0 | 293 | canonicalValues.add(canonFile); |
aoqi@0 | 294 | |
aoqi@0 | 295 | if (expandJarClassPaths && fsInfo.isFile(file)) |
aoqi@0 | 296 | addJarClassPath(file, warn); |
aoqi@0 | 297 | } |
aoqi@0 | 298 | |
aoqi@0 | 299 | // Adds referenced classpath elements from a jar's Class-Path |
aoqi@0 | 300 | // Manifest entry. In some future release, we may want to |
aoqi@0 | 301 | // update this code to recognize URLs rather than simple |
aoqi@0 | 302 | // filenames, but if we do, we should redo all path-related code. |
aoqi@0 | 303 | private void addJarClassPath(File jarFile, boolean warn) { |
aoqi@0 | 304 | try { |
aoqi@0 | 305 | for (File f: fsInfo.getJarClassPath(jarFile)) { |
aoqi@0 | 306 | addFile(f, warn); |
aoqi@0 | 307 | } |
aoqi@0 | 308 | } catch (IOException e) { |
aoqi@0 | 309 | log.error("error.reading.file", jarFile, JavacFileManager.getMessage(e)); |
aoqi@0 | 310 | } |
aoqi@0 | 311 | } |
aoqi@0 | 312 | } |
aoqi@0 | 313 | |
aoqi@0 | 314 | /** |
aoqi@0 | 315 | * Base class for handling support for the representation of Locations. |
aoqi@0 | 316 | * Implementations are responsible for handling the interactions between |
aoqi@0 | 317 | * the command line options for a location, and API access via setLocation. |
aoqi@0 | 318 | * @see #initHandlers |
aoqi@0 | 319 | * @see #getHandler |
aoqi@0 | 320 | */ |
aoqi@0 | 321 | protected abstract class LocationHandler { |
aoqi@0 | 322 | final Location location; |
aoqi@0 | 323 | final Set<Option> options; |
aoqi@0 | 324 | |
aoqi@0 | 325 | /** |
aoqi@0 | 326 | * Create a handler. The location and options provide a way to map |
aoqi@0 | 327 | * from a location or an option to the corresponding handler. |
aoqi@0 | 328 | * @see #initHandlers |
aoqi@0 | 329 | */ |
aoqi@0 | 330 | protected LocationHandler(Location location, Option... options) { |
aoqi@0 | 331 | this.location = location; |
aoqi@0 | 332 | this.options = options.length == 0 ? |
aoqi@0 | 333 | EnumSet.noneOf(Option.class): |
aoqi@0 | 334 | EnumSet.copyOf(Arrays.asList(options)); |
aoqi@0 | 335 | } |
aoqi@0 | 336 | |
aoqi@0 | 337 | // TODO: TEMPORARY, while Options still used for command line options |
aoqi@0 | 338 | void update(Options optionTable) { |
aoqi@0 | 339 | for (Option o: options) { |
aoqi@0 | 340 | String v = optionTable.get(o); |
aoqi@0 | 341 | if (v != null) { |
aoqi@0 | 342 | handleOption(o, v); |
aoqi@0 | 343 | } |
aoqi@0 | 344 | } |
aoqi@0 | 345 | } |
aoqi@0 | 346 | |
aoqi@0 | 347 | /** @see JavaFileManager#handleOption */ |
aoqi@0 | 348 | abstract boolean handleOption(Option option, String value); |
aoqi@0 | 349 | /** @see StandardJavaFileManager#getLocation */ |
aoqi@0 | 350 | abstract Collection<File> getLocation(); |
aoqi@0 | 351 | /** @see StandardJavaFileManager#setLocation */ |
aoqi@0 | 352 | abstract void setLocation(Iterable<? extends File> files) throws IOException; |
aoqi@0 | 353 | } |
aoqi@0 | 354 | |
aoqi@0 | 355 | /** |
aoqi@0 | 356 | * General purpose implementation for output locations, |
aoqi@0 | 357 | * such as -d/CLASS_OUTPUT and -s/SOURCE_OUTPUT. |
aoqi@0 | 358 | * All options are treated as equivalent (i.e. aliases.) |
aoqi@0 | 359 | * The value is a single file, possibly null. |
aoqi@0 | 360 | */ |
aoqi@0 | 361 | private class OutputLocationHandler extends LocationHandler { |
aoqi@0 | 362 | private File outputDir; |
aoqi@0 | 363 | |
aoqi@0 | 364 | OutputLocationHandler(Location location, Option... options) { |
aoqi@0 | 365 | super(location, options); |
aoqi@0 | 366 | } |
aoqi@0 | 367 | |
aoqi@0 | 368 | @Override |
aoqi@0 | 369 | boolean handleOption(Option option, String value) { |
aoqi@0 | 370 | if (!options.contains(option)) |
aoqi@0 | 371 | return false; |
aoqi@0 | 372 | |
aoqi@0 | 373 | // TODO: could/should validate outputDir exists and is a directory |
aoqi@0 | 374 | // need to decide how best to report issue for benefit of |
aoqi@0 | 375 | // direct API call on JavaFileManager.handleOption(specifies IAE) |
aoqi@0 | 376 | // vs. command line decoding. |
aoqi@0 | 377 | outputDir = new File(value); |
aoqi@0 | 378 | return true; |
aoqi@0 | 379 | } |
aoqi@0 | 380 | |
aoqi@0 | 381 | @Override |
aoqi@0 | 382 | Collection<File> getLocation() { |
aoqi@0 | 383 | return (outputDir == null) ? null : Collections.singleton(outputDir); |
aoqi@0 | 384 | } |
aoqi@0 | 385 | |
aoqi@0 | 386 | @Override |
aoqi@0 | 387 | void setLocation(Iterable<? extends File> files) throws IOException { |
aoqi@0 | 388 | if (files == null) { |
aoqi@0 | 389 | outputDir = null; |
aoqi@0 | 390 | } else { |
aoqi@0 | 391 | Iterator<? extends File> pathIter = files.iterator(); |
aoqi@0 | 392 | if (!pathIter.hasNext()) |
aoqi@0 | 393 | throw new IllegalArgumentException("empty path for directory"); |
aoqi@0 | 394 | File dir = pathIter.next(); |
aoqi@0 | 395 | if (pathIter.hasNext()) |
aoqi@0 | 396 | throw new IllegalArgumentException("path too long for directory"); |
aoqi@0 | 397 | if (!dir.exists()) |
aoqi@0 | 398 | throw new FileNotFoundException(dir + ": does not exist"); |
aoqi@0 | 399 | else if (!dir.isDirectory()) |
aoqi@0 | 400 | throw new IOException(dir + ": not a directory"); |
aoqi@0 | 401 | outputDir = dir; |
aoqi@0 | 402 | } |
aoqi@0 | 403 | } |
aoqi@0 | 404 | } |
aoqi@0 | 405 | |
aoqi@0 | 406 | /** |
aoqi@0 | 407 | * General purpose implementation for search path locations, |
aoqi@0 | 408 | * such as -sourcepath/SOURCE_PATH and -processorPath/ANNOTATION_PROCESS_PATH. |
aoqi@0 | 409 | * All options are treated as equivalent (i.e. aliases.) |
aoqi@0 | 410 | * The value is an ordered set of files and/or directories. |
aoqi@0 | 411 | */ |
aoqi@0 | 412 | private class SimpleLocationHandler extends LocationHandler { |
aoqi@0 | 413 | protected Collection<File> searchPath; |
aoqi@0 | 414 | |
aoqi@0 | 415 | SimpleLocationHandler(Location location, Option... options) { |
aoqi@0 | 416 | super(location, options); |
aoqi@0 | 417 | } |
aoqi@0 | 418 | |
aoqi@0 | 419 | @Override |
aoqi@0 | 420 | boolean handleOption(Option option, String value) { |
aoqi@0 | 421 | if (!options.contains(option)) |
aoqi@0 | 422 | return false; |
aoqi@0 | 423 | searchPath = value == null ? null : |
aoqi@0 | 424 | Collections.unmodifiableCollection(createPath().addFiles(value)); |
aoqi@0 | 425 | return true; |
aoqi@0 | 426 | } |
aoqi@0 | 427 | |
aoqi@0 | 428 | @Override |
aoqi@0 | 429 | Collection<File> getLocation() { |
aoqi@0 | 430 | return searchPath; |
aoqi@0 | 431 | } |
aoqi@0 | 432 | |
aoqi@0 | 433 | @Override |
aoqi@0 | 434 | void setLocation(Iterable<? extends File> files) { |
aoqi@0 | 435 | Path p; |
aoqi@0 | 436 | if (files == null) { |
aoqi@0 | 437 | p = computePath(null); |
aoqi@0 | 438 | } else { |
aoqi@0 | 439 | p = createPath().addFiles(files); |
aoqi@0 | 440 | } |
aoqi@0 | 441 | searchPath = Collections.unmodifiableCollection(p); |
aoqi@0 | 442 | } |
aoqi@0 | 443 | |
aoqi@0 | 444 | protected Path computePath(String value) { |
aoqi@0 | 445 | return createPath().addFiles(value); |
aoqi@0 | 446 | } |
aoqi@0 | 447 | |
aoqi@0 | 448 | protected Path createPath() { |
aoqi@0 | 449 | return new Path(); |
aoqi@0 | 450 | } |
aoqi@0 | 451 | } |
aoqi@0 | 452 | |
aoqi@0 | 453 | /** |
aoqi@0 | 454 | * Subtype of SimpleLocationHandler for -classpath/CLASS_PATH. |
aoqi@0 | 455 | * If no value is given, a default is provided, based on system properties |
aoqi@0 | 456 | * and other values. |
aoqi@0 | 457 | */ |
aoqi@0 | 458 | private class ClassPathLocationHandler extends SimpleLocationHandler { |
aoqi@0 | 459 | ClassPathLocationHandler() { |
aoqi@0 | 460 | super(StandardLocation.CLASS_PATH, |
aoqi@0 | 461 | Option.CLASSPATH, Option.CP); |
aoqi@0 | 462 | } |
aoqi@0 | 463 | |
aoqi@0 | 464 | @Override |
aoqi@0 | 465 | Collection<File> getLocation() { |
aoqi@0 | 466 | lazy(); |
aoqi@0 | 467 | return searchPath; |
aoqi@0 | 468 | } |
aoqi@0 | 469 | |
aoqi@0 | 470 | @Override |
aoqi@0 | 471 | protected Path computePath(String value) { |
aoqi@0 | 472 | String cp = value; |
aoqi@0 | 473 | |
aoqi@0 | 474 | // CLASSPATH environment variable when run from `javac'. |
aoqi@0 | 475 | if (cp == null) cp = System.getProperty("env.class.path"); |
aoqi@0 | 476 | |
aoqi@0 | 477 | // If invoked via a java VM (not the javac launcher), use the |
aoqi@0 | 478 | // platform class path |
aoqi@0 | 479 | if (cp == null && System.getProperty("application.home") == null) |
aoqi@0 | 480 | cp = System.getProperty("java.class.path"); |
aoqi@0 | 481 | |
aoqi@0 | 482 | // Default to current working directory. |
aoqi@0 | 483 | if (cp == null) cp = "."; |
aoqi@0 | 484 | |
aoqi@0 | 485 | return createPath().addFiles(cp); |
aoqi@0 | 486 | } |
aoqi@0 | 487 | |
aoqi@0 | 488 | @Override |
aoqi@0 | 489 | protected Path createPath() { |
aoqi@0 | 490 | return new Path() |
aoqi@0 | 491 | .expandJarClassPaths(true) // Only search user jars for Class-Paths |
aoqi@0 | 492 | .emptyPathDefault(new File(".")); // Empty path elt ==> current directory |
aoqi@0 | 493 | } |
aoqi@0 | 494 | |
aoqi@0 | 495 | private void lazy() { |
aoqi@0 | 496 | if (searchPath == null) |
aoqi@0 | 497 | setLocation(null); |
aoqi@0 | 498 | } |
aoqi@0 | 499 | } |
aoqi@0 | 500 | |
aoqi@0 | 501 | /** |
aoqi@0 | 502 | * Custom subtype of LocationHandler for PLATFORM_CLASS_PATH. |
aoqi@0 | 503 | * Various options are supported for different components of the |
aoqi@0 | 504 | * platform class path. |
aoqi@0 | 505 | * Setting a value with setLocation overrides all existing option values. |
aoqi@0 | 506 | * Setting any option overrides any value set with setLocation, and reverts |
aoqi@0 | 507 | * to using default values for options that have not been set. |
aoqi@0 | 508 | * Setting -bootclasspath or -Xbootclasspath overrides any existing |
aoqi@0 | 509 | * value for -Xbootclasspath/p: and -Xbootclasspath/a:. |
aoqi@0 | 510 | */ |
aoqi@0 | 511 | private class BootClassPathLocationHandler extends LocationHandler { |
aoqi@0 | 512 | private Collection<File> searchPath; |
aoqi@0 | 513 | final Map<Option, String> optionValues = new EnumMap<Option,String>(Option.class); |
aoqi@0 | 514 | |
aoqi@0 | 515 | /** |
aoqi@0 | 516 | * rt.jar as found on the default bootclasspath. |
aoqi@0 | 517 | * If the user specified a bootclasspath, null is used. |
aoqi@0 | 518 | */ |
aoqi@0 | 519 | private File defaultBootClassPathRtJar = null; |
aoqi@0 | 520 | |
aoqi@0 | 521 | /** |
aoqi@0 | 522 | * Is bootclasspath the default? |
aoqi@0 | 523 | */ |
aoqi@0 | 524 | private boolean isDefaultBootClassPath; |
aoqi@0 | 525 | |
aoqi@0 | 526 | BootClassPathLocationHandler() { |
aoqi@0 | 527 | super(StandardLocation.PLATFORM_CLASS_PATH, |
aoqi@0 | 528 | Option.BOOTCLASSPATH, Option.XBOOTCLASSPATH, |
aoqi@0 | 529 | Option.XBOOTCLASSPATH_PREPEND, |
aoqi@0 | 530 | Option.XBOOTCLASSPATH_APPEND, |
aoqi@0 | 531 | Option.ENDORSEDDIRS, Option.DJAVA_ENDORSED_DIRS, |
aoqi@0 | 532 | Option.EXTDIRS, Option.DJAVA_EXT_DIRS); |
aoqi@0 | 533 | } |
aoqi@0 | 534 | |
aoqi@0 | 535 | boolean isDefault() { |
aoqi@0 | 536 | lazy(); |
aoqi@0 | 537 | return isDefaultBootClassPath; |
aoqi@0 | 538 | } |
aoqi@0 | 539 | |
aoqi@0 | 540 | boolean isDefaultRtJar(File file) { |
aoqi@0 | 541 | lazy(); |
aoqi@0 | 542 | return file.equals(defaultBootClassPathRtJar); |
aoqi@0 | 543 | } |
aoqi@0 | 544 | |
aoqi@0 | 545 | @Override |
aoqi@0 | 546 | boolean handleOption(Option option, String value) { |
aoqi@0 | 547 | if (!options.contains(option)) |
aoqi@0 | 548 | return false; |
aoqi@0 | 549 | |
aoqi@0 | 550 | option = canonicalize(option); |
aoqi@0 | 551 | optionValues.put(option, value); |
aoqi@0 | 552 | if (option == BOOTCLASSPATH) { |
aoqi@0 | 553 | optionValues.remove(XBOOTCLASSPATH_PREPEND); |
aoqi@0 | 554 | optionValues.remove(XBOOTCLASSPATH_APPEND); |
aoqi@0 | 555 | } |
aoqi@0 | 556 | searchPath = null; // reset to "uninitialized" |
aoqi@0 | 557 | return true; |
aoqi@0 | 558 | } |
aoqi@0 | 559 | // where |
aoqi@0 | 560 | // TODO: would be better if option aliasing was handled at a higher |
aoqi@0 | 561 | // level |
aoqi@0 | 562 | private Option canonicalize(Option option) { |
aoqi@0 | 563 | switch (option) { |
aoqi@0 | 564 | case XBOOTCLASSPATH: |
aoqi@0 | 565 | return Option.BOOTCLASSPATH; |
aoqi@0 | 566 | case DJAVA_ENDORSED_DIRS: |
aoqi@0 | 567 | return Option.ENDORSEDDIRS; |
aoqi@0 | 568 | case DJAVA_EXT_DIRS: |
aoqi@0 | 569 | return Option.EXTDIRS; |
aoqi@0 | 570 | default: |
aoqi@0 | 571 | return option; |
aoqi@0 | 572 | } |
aoqi@0 | 573 | } |
aoqi@0 | 574 | |
aoqi@0 | 575 | @Override |
aoqi@0 | 576 | Collection<File> getLocation() { |
aoqi@0 | 577 | lazy(); |
aoqi@0 | 578 | return searchPath; |
aoqi@0 | 579 | } |
aoqi@0 | 580 | |
aoqi@0 | 581 | @Override |
aoqi@0 | 582 | void setLocation(Iterable<? extends File> files) { |
aoqi@0 | 583 | if (files == null) { |
aoqi@0 | 584 | searchPath = null; // reset to "uninitialized" |
aoqi@0 | 585 | } else { |
aoqi@0 | 586 | defaultBootClassPathRtJar = null; |
aoqi@0 | 587 | isDefaultBootClassPath = false; |
aoqi@0 | 588 | Path p = new Path().addFiles(files, false); |
aoqi@0 | 589 | searchPath = Collections.unmodifiableCollection(p); |
aoqi@0 | 590 | optionValues.clear(); |
aoqi@0 | 591 | } |
aoqi@0 | 592 | } |
aoqi@0 | 593 | |
aoqi@0 | 594 | Path computePath() { |
aoqi@0 | 595 | defaultBootClassPathRtJar = null; |
aoqi@0 | 596 | Path path = new Path(); |
aoqi@0 | 597 | |
aoqi@0 | 598 | String bootclasspathOpt = optionValues.get(BOOTCLASSPATH); |
aoqi@0 | 599 | String endorseddirsOpt = optionValues.get(ENDORSEDDIRS); |
aoqi@0 | 600 | String extdirsOpt = optionValues.get(EXTDIRS); |
aoqi@0 | 601 | String xbootclasspathPrependOpt = optionValues.get(XBOOTCLASSPATH_PREPEND); |
aoqi@0 | 602 | String xbootclasspathAppendOpt = optionValues.get(XBOOTCLASSPATH_APPEND); |
aoqi@0 | 603 | path.addFiles(xbootclasspathPrependOpt); |
aoqi@0 | 604 | |
aoqi@0 | 605 | if (endorseddirsOpt != null) |
aoqi@0 | 606 | path.addDirectories(endorseddirsOpt); |
aoqi@0 | 607 | else |
aoqi@0 | 608 | path.addDirectories(System.getProperty("java.endorsed.dirs"), false); |
aoqi@0 | 609 | |
aoqi@0 | 610 | if (bootclasspathOpt != null) { |
aoqi@0 | 611 | path.addFiles(bootclasspathOpt); |
aoqi@0 | 612 | } else { |
aoqi@0 | 613 | // Standard system classes for this compiler's release. |
aoqi@0 | 614 | String files = System.getProperty("sun.boot.class.path"); |
aoqi@0 | 615 | path.addFiles(files, false); |
aoqi@0 | 616 | File rt_jar = new File("rt.jar"); |
aoqi@0 | 617 | for (File file : getPathEntries(files)) { |
aoqi@0 | 618 | if (new File(file.getName()).equals(rt_jar)) |
aoqi@0 | 619 | defaultBootClassPathRtJar = file; |
aoqi@0 | 620 | } |
aoqi@0 | 621 | } |
aoqi@0 | 622 | |
aoqi@0 | 623 | path.addFiles(xbootclasspathAppendOpt); |
aoqi@0 | 624 | |
aoqi@0 | 625 | // Strictly speaking, standard extensions are not bootstrap |
aoqi@0 | 626 | // classes, but we treat them identically, so we'll pretend |
aoqi@0 | 627 | // that they are. |
aoqi@0 | 628 | if (extdirsOpt != null) |
aoqi@0 | 629 | path.addDirectories(extdirsOpt); |
aoqi@0 | 630 | else |
aoqi@0 | 631 | path.addDirectories(System.getProperty("java.ext.dirs"), false); |
aoqi@0 | 632 | |
aoqi@0 | 633 | isDefaultBootClassPath = |
aoqi@0 | 634 | (xbootclasspathPrependOpt == null) && |
aoqi@0 | 635 | (bootclasspathOpt == null) && |
aoqi@0 | 636 | (xbootclasspathAppendOpt == null); |
aoqi@0 | 637 | |
aoqi@0 | 638 | return path; |
aoqi@0 | 639 | } |
aoqi@0 | 640 | |
aoqi@0 | 641 | private void lazy() { |
aoqi@0 | 642 | if (searchPath == null) |
aoqi@0 | 643 | searchPath = Collections.unmodifiableCollection(computePath()); |
aoqi@0 | 644 | } |
aoqi@0 | 645 | } |
aoqi@0 | 646 | |
aoqi@0 | 647 | Map<Location, LocationHandler> handlersForLocation; |
aoqi@0 | 648 | Map<Option, LocationHandler> handlersForOption; |
aoqi@0 | 649 | |
aoqi@0 | 650 | void initHandlers() { |
aoqi@0 | 651 | handlersForLocation = new HashMap<Location, LocationHandler>(); |
aoqi@0 | 652 | handlersForOption = new EnumMap<Option, LocationHandler>(Option.class); |
aoqi@0 | 653 | |
aoqi@0 | 654 | LocationHandler[] handlers = { |
aoqi@0 | 655 | new BootClassPathLocationHandler(), |
aoqi@0 | 656 | new ClassPathLocationHandler(), |
aoqi@0 | 657 | new SimpleLocationHandler(StandardLocation.SOURCE_PATH, Option.SOURCEPATH), |
aoqi@0 | 658 | new SimpleLocationHandler(StandardLocation.ANNOTATION_PROCESSOR_PATH, Option.PROCESSORPATH), |
aoqi@0 | 659 | new OutputLocationHandler((StandardLocation.CLASS_OUTPUT), Option.D), |
aoqi@0 | 660 | new OutputLocationHandler((StandardLocation.SOURCE_OUTPUT), Option.S), |
aoqi@0 | 661 | new OutputLocationHandler((StandardLocation.NATIVE_HEADER_OUTPUT), Option.H) |
aoqi@0 | 662 | }; |
aoqi@0 | 663 | |
aoqi@0 | 664 | for (LocationHandler h: handlers) { |
aoqi@0 | 665 | handlersForLocation.put(h.location, h); |
aoqi@0 | 666 | for (Option o: h.options) |
aoqi@0 | 667 | handlersForOption.put(o, h); |
aoqi@0 | 668 | } |
aoqi@0 | 669 | } |
aoqi@0 | 670 | |
aoqi@0 | 671 | boolean handleOption(Option option, String value) { |
aoqi@0 | 672 | LocationHandler h = handlersForOption.get(option); |
aoqi@0 | 673 | return (h == null ? false : h.handleOption(option, value)); |
aoqi@0 | 674 | } |
aoqi@0 | 675 | |
aoqi@0 | 676 | Collection<File> getLocation(Location location) { |
aoqi@0 | 677 | LocationHandler h = getHandler(location); |
aoqi@0 | 678 | return (h == null ? null : h.getLocation()); |
aoqi@0 | 679 | } |
aoqi@0 | 680 | |
aoqi@0 | 681 | File getOutputLocation(Location location) { |
aoqi@0 | 682 | if (!location.isOutputLocation()) |
aoqi@0 | 683 | throw new IllegalArgumentException(); |
aoqi@0 | 684 | LocationHandler h = getHandler(location); |
aoqi@0 | 685 | return ((OutputLocationHandler) h).outputDir; |
aoqi@0 | 686 | } |
aoqi@0 | 687 | |
aoqi@0 | 688 | void setLocation(Location location, Iterable<? extends File> files) throws IOException { |
aoqi@0 | 689 | LocationHandler h = getHandler(location); |
aoqi@0 | 690 | if (h == null) { |
aoqi@0 | 691 | if (location.isOutputLocation()) |
aoqi@0 | 692 | h = new OutputLocationHandler(location); |
aoqi@0 | 693 | else |
aoqi@0 | 694 | h = new SimpleLocationHandler(location); |
aoqi@0 | 695 | handlersForLocation.put(location, h); |
aoqi@0 | 696 | } |
aoqi@0 | 697 | h.setLocation(files); |
aoqi@0 | 698 | } |
aoqi@0 | 699 | |
aoqi@0 | 700 | protected LocationHandler getHandler(Location location) { |
aoqi@0 | 701 | location.getClass(); // null check |
aoqi@0 | 702 | lazy(); |
aoqi@0 | 703 | return handlersForLocation.get(location); |
aoqi@0 | 704 | } |
aoqi@0 | 705 | |
aoqi@0 | 706 | // TOGO |
aoqi@0 | 707 | protected void lazy() { |
aoqi@0 | 708 | if (!inited) { |
aoqi@0 | 709 | warn = lint.isEnabled(Lint.LintCategory.PATH); |
aoqi@0 | 710 | |
aoqi@0 | 711 | for (LocationHandler h: handlersForLocation.values()) { |
aoqi@0 | 712 | h.update(options); |
aoqi@0 | 713 | } |
aoqi@0 | 714 | |
aoqi@0 | 715 | inited = true; |
aoqi@0 | 716 | } |
aoqi@0 | 717 | } |
aoqi@0 | 718 | |
aoqi@0 | 719 | /** Is this the name of an archive file? */ |
aoqi@0 | 720 | private boolean isArchive(File file) { |
aoqi@0 | 721 | String n = StringUtils.toLowerCase(file.getName()); |
aoqi@0 | 722 | return fsInfo.isFile(file) |
aoqi@0 | 723 | && (n.endsWith(".jar") || n.endsWith(".zip")); |
aoqi@0 | 724 | } |
aoqi@0 | 725 | |
aoqi@0 | 726 | /** |
aoqi@0 | 727 | * Utility method for converting a search path string to an array |
aoqi@0 | 728 | * of directory and JAR file URLs. |
aoqi@0 | 729 | * |
aoqi@0 | 730 | * Note that this method is called by apt and the DocletInvoker. |
aoqi@0 | 731 | * |
aoqi@0 | 732 | * @param path the search path string |
aoqi@0 | 733 | * @return the resulting array of directory and JAR file URLs |
aoqi@0 | 734 | */ |
aoqi@0 | 735 | public static URL[] pathToURLs(String path) { |
aoqi@0 | 736 | StringTokenizer st = new StringTokenizer(path, File.pathSeparator); |
aoqi@0 | 737 | URL[] urls = new URL[st.countTokens()]; |
aoqi@0 | 738 | int count = 0; |
aoqi@0 | 739 | while (st.hasMoreTokens()) { |
aoqi@0 | 740 | URL url = fileToURL(new File(st.nextToken())); |
aoqi@0 | 741 | if (url != null) { |
aoqi@0 | 742 | urls[count++] = url; |
aoqi@0 | 743 | } |
aoqi@0 | 744 | } |
aoqi@0 | 745 | urls = Arrays.copyOf(urls, count); |
aoqi@0 | 746 | return urls; |
aoqi@0 | 747 | } |
aoqi@0 | 748 | |
aoqi@0 | 749 | /** |
aoqi@0 | 750 | * Returns the directory or JAR file URL corresponding to the specified |
aoqi@0 | 751 | * local file name. |
aoqi@0 | 752 | * |
aoqi@0 | 753 | * @param file the File object |
aoqi@0 | 754 | * @return the resulting directory or JAR file URL, or null if unknown |
aoqi@0 | 755 | */ |
aoqi@0 | 756 | private static URL fileToURL(File file) { |
aoqi@0 | 757 | String name; |
aoqi@0 | 758 | try { |
aoqi@0 | 759 | name = file.getCanonicalPath(); |
aoqi@0 | 760 | } catch (IOException e) { |
aoqi@0 | 761 | name = file.getAbsolutePath(); |
aoqi@0 | 762 | } |
aoqi@0 | 763 | name = name.replace(File.separatorChar, '/'); |
aoqi@0 | 764 | if (!name.startsWith("/")) { |
aoqi@0 | 765 | name = "/" + name; |
aoqi@0 | 766 | } |
aoqi@0 | 767 | // If the file does not exist, then assume that it's a directory |
aoqi@0 | 768 | if (!file.isFile()) { |
aoqi@0 | 769 | name = name + "/"; |
aoqi@0 | 770 | } |
aoqi@0 | 771 | try { |
aoqi@0 | 772 | return new URL("file", "", name); |
aoqi@0 | 773 | } catch (MalformedURLException e) { |
aoqi@0 | 774 | throw new IllegalArgumentException(file.toString()); |
aoqi@0 | 775 | } |
aoqi@0 | 776 | } |
aoqi@0 | 777 | } |