1 /* 2 * Copyright (c) 2015, 2018, 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 sun.tools.jar; 27 28 import java.io.File; 29 import java.io.PrintWriter; 30 import java.lang.module.ModuleDescriptor.Version; 31 import java.nio.file.FileSystems; 32 import java.nio.file.Path; 33 import java.nio.file.Paths; 34 import java.util.regex.Pattern; 35 import java.util.regex.PatternSyntaxException; 36 import jdk.internal.module.ModulePath; 37 import jdk.internal.module.ModuleResolution; 38 39 /** 40 * Parser for GNU Style Options. 41 */ 42 class GNUStyleOptions { 43 44 static class BadArgs extends Exception { 45 static final long serialVersionUID = 0L; 46 47 boolean showUsage; 48 49 BadArgs(String key, String arg) { super(Main.formatMsg(key, arg)); } 50 BadArgs(String key) { super(Main.getMsg(key)); } 51 52 BadArgs showUsage(boolean b) { 53 showUsage = b; 54 return this; 55 } 56 } 57 58 static Option[] recognizedOptions = { 59 // Main operations 60 new Option(false, OptionType.MAIN_OPERATION, "--create", "-c") { 61 void process(Main tool, String opt, String arg) throws BadArgs { 62 if (tool.iflag || tool.tflag || tool.uflag || tool.xflag || tool.dflag) 63 throw new BadArgs("error.multiple.main.operations").showUsage(true); 64 tool.cflag = true; 65 } 66 }, 67 new Option(true, OptionType.MAIN_OPERATION, "--generate-index", "-i") { 68 void process(Main tool, String opt, String arg) throws BadArgs { 69 if (tool.cflag || tool.tflag || tool.uflag || tool.xflag || tool.dflag) 70 throw new BadArgs("error.multiple.main.operations").showUsage(true); 71 tool.iflag = true; 72 tool.rootjar = arg; 73 } 74 }, 75 new Option(false, OptionType.MAIN_OPERATION, "--list", "-t") { 76 void process(Main tool, String opt, String arg) throws BadArgs { 77 if (tool.cflag || tool.iflag || tool.uflag || tool.xflag || tool.dflag) 78 throw new BadArgs("error.multiple.main.operations").showUsage(true); 79 tool.tflag = true; 80 } 81 }, 82 new Option(false, OptionType.MAIN_OPERATION, "--update", "-u") { 83 void process(Main tool, String opt, String arg) throws BadArgs { 84 if (tool.cflag || tool.iflag || tool.tflag || tool.xflag || tool.dflag) 85 throw new BadArgs("error.multiple.main.operations").showUsage(true); 86 tool.uflag = true; 87 } 88 }, 89 new Option(false, OptionType.MAIN_OPERATION, "--extract", "-x") { 90 void process(Main tool, String opt, String arg) throws BadArgs { 91 if (tool.cflag || tool.iflag || tool.tflag || tool.uflag || tool.dflag) 92 throw new BadArgs("error.multiple.main.operations").showUsage(true); 93 tool.xflag = true; 94 } 95 }, 96 new Option(false, OptionType.MAIN_OPERATION, "--describe-module", "-d") { 97 void process(Main tool, String opt, String arg) throws BadArgs { 98 if (tool.cflag || tool.iflag || tool.tflag || tool.uflag || tool.xflag) 99 throw new BadArgs("error.multiple.main.operations").showUsage(true); 100 tool.dflag = true; 101 } 102 }, 103 104 // Additional options 105 new Option(true, OptionType.ANY, "--file", "-f") { 106 void process(Main jartool, String opt, String arg) { 107 jartool.fname = arg; 108 } 109 }, 110 new Option(false, OptionType.ANY, "--verbose", "-v") { 111 void process(Main jartool, String opt, String arg) { 112 jartool.vflag = true; 113 } 114 }, 115 new Option(false, OptionType.CREATE, "--normalize", "-n") { 116 void process(Main jartool, String opt, String arg) { 117 jartool.nflag = true; 118 } 119 boolean isExtra() { return true; } 120 }, 121 new Option(true, OptionType.CREATE_UPDATE, "--main-class", "-e") { 122 void process(Main jartool, String opt, String arg) { 123 jartool.ename = arg; 124 } 125 }, 126 new Option(true, OptionType.CREATE_UPDATE, "--manifest", "-m") { 127 void process(Main jartool, String opt, String arg) { 128 jartool.mname = arg; 129 } 130 }, 131 new Option(false, OptionType.CREATE_UPDATE, "--no-manifest", "-M") { 132 void process(Main jartool, String opt, String arg) { 133 jartool.Mflag = true; 134 } 135 }, 136 new Option(true, OptionType.CREATE_UPDATE, "--module-version") { 137 void process(Main jartool, String opt, String arg) { 138 jartool.moduleVersion = Version.parse(arg); 139 } 140 }, 141 new Option(true, OptionType.CREATE_UPDATE, "--hash-modules") { 142 void process(Main jartool, String opt, String arg) throws BadArgs { 143 try { 144 jartool.modulesToHash = Pattern.compile(arg); 145 } catch (PatternSyntaxException e) { 146 throw new BadArgs("err.badpattern", arg).showUsage(true); 147 } 148 } 149 }, 150 new Option(true, OptionType.CREATE_UPDATE, "--module-path", "-p") { 151 void process(Main jartool, String opt, String arg) { 152 String[] dirs = arg.split(File.pathSeparator); 153 Path[] paths = new Path[dirs.length]; 154 int i = 0; 155 for (String dir : dirs) { 156 paths[i++] = Paths.get(dir); 157 } 158 jartool.moduleFinder = ModulePath.of(Runtime.version(), true, paths); 159 } 160 }, 161 new Option(false, OptionType.CREATE_UPDATE, "--do-not-resolve-by-default") { 162 void process(Main jartool, String opt, String arg) { 163 ModuleResolution mres = jartool.moduleResolution; 164 jartool.moduleResolution = mres.withDoNotResolveByDefault(); 165 } 166 boolean isExtra() { return true; } 167 }, 168 new Option(true, OptionType.CREATE_UPDATE, "--warn-if-resolved") { 169 void process(Main jartool, String opt, String arg) throws BadArgs { 170 ModuleResolution mres = ModuleResolution.empty(); 171 if (jartool.moduleResolution.doNotResolveByDefault()) { 172 mres.withDoNotResolveByDefault(); 173 } 174 if (arg.equals("deprecated")) { 175 jartool.moduleResolution = mres.withDeprecated(); 176 } else if (arg.equals("deprecated-for-removal")) { 177 jartool.moduleResolution = mres.withDeprecatedForRemoval(); 178 } else if (arg.equals("incubating")) { 179 jartool.moduleResolution = mres.withIncubating(); 180 } else { 181 throw new BadArgs("error.bad.reason", arg); 182 } 183 } 184 boolean isExtra() { return true; } 185 }, 186 new Option(false, OptionType.CREATE_UPDATE_INDEX, "--no-compress", "-0") { 187 void process(Main jartool, String opt, String arg) { 188 jartool.flag0 = true; 189 } 190 }, 191 new Option(true, OptionType.ANY, "--preserve-posix", "-o") { 192 void process(Main jartool, String opt, String arg) { 193 jartool.oflag = FileSystems.getDefault().supportedFileAttributeViews().contains("posix"); 194 } 195 }, 196 197 // Hidden options 198 new Option(false, OptionType.OTHER, "-P") { 199 void process(Main jartool, String opt, String arg) { 200 jartool.pflag = true; 201 } 202 boolean isHidden() { return true; } 203 }, 204 205 // Other options 206 new Option(true, true, OptionType.OTHER, "--help", "-h", "-?") { 207 void process(Main jartool, String opt, String arg) throws BadArgs { 208 if (jartool.info == null) { 209 if (arg == null) { 210 jartool.info = GNUStyleOptions::printHelp; // Main.Info.HELP; 211 return; 212 } 213 if (!arg.equals("compat")) 214 throw new BadArgs("error.illegal.option", arg).showUsage(true); 215 // jartool.info = Main.Info.COMPAT_HELP; 216 jartool.info = GNUStyleOptions::printCompatHelp; 217 } 218 } 219 }, 220 new Option(false, OptionType.OTHER, "--help-extra") { 221 void process(Main jartool, String opt, String arg) throws BadArgs { 222 jartool.info = GNUStyleOptions::printHelpExtra; 223 } 224 }, 225 new Option(false, OptionType.OTHER, "--version") { 226 void process(Main jartool, String opt, String arg) { 227 if (jartool.info == null) 228 jartool.info = GNUStyleOptions::printVersion; 229 } 230 } 231 }; 232 233 enum OptionType { 234 MAIN_OPERATION("main"), 235 ANY("any"), 236 CREATE("create"), 237 CREATE_UPDATE("create.update"), 238 CREATE_UPDATE_INDEX("create.update.index"), 239 OTHER("other"); 240 241 /** Resource lookup section prefix. */ 242 final String name; 243 244 OptionType(String name) { this.name = name; } 245 } 246 247 static abstract class Option { 248 final boolean hasArg; 249 final boolean argIsOptional; 250 final String[] aliases; 251 final OptionType type; 252 253 Option(boolean hasArg, OptionType type, String... aliases) { 254 this(hasArg, false, type, aliases); 255 } 256 257 Option(boolean hasArg, boolean argIsOptional, OptionType type, String... aliases) { 258 this.hasArg = hasArg; 259 this.argIsOptional = argIsOptional; 260 this.type = type; 261 this.aliases = aliases; 262 } 263 264 boolean isHidden() { return false; } 265 266 boolean isExtra() { return false; } 267 268 boolean matches(String opt) { 269 for (String a : aliases) { 270 if (a.equals(opt)) { 271 return true; 272 } else if (opt.startsWith("--") && hasArg && opt.startsWith(a + "=")) { 273 return true; 274 } else if (opt.startsWith("--help") && opt.startsWith(a + ":")) { 275 return true; 276 } 277 } 278 return false; 279 } 280 281 abstract void process(Main jartool, String opt, String arg) throws BadArgs; 282 } 283 284 static int parseOptions(Main jartool, String[] args) throws BadArgs { 285 int count = 0; 286 if (args.length == 0) { 287 jartool.info = GNUStyleOptions::printUsageTryHelp; // never be here 288 return 0; 289 } 290 291 // process options 292 for (; count < args.length; count++) { 293 if (args[count].charAt(0) != '-' || args[count].equals("-C") || 294 args[count].equals("--release")) 295 break; 296 297 String name = args[count]; 298 if (name.equals("-XDsuppress-tool-removal-message")) { 299 jartool.suppressDeprecateMsg = true; 300 continue; 301 } 302 Option option = getOption(name); 303 String param = null; 304 if (option.hasArg) { 305 if (name.startsWith("--help")) { // "special" optional separator 306 if (name.indexOf(':') > 0) { 307 param = name.substring(name.indexOf(':') + 1, name.length()); 308 } 309 } else if (name.startsWith("--") && name.indexOf('=') > 0) { 310 param = name.substring(name.indexOf('=') + 1, name.length()); 311 } else if (count + 1 < args.length) { 312 param = args[++count]; 313 } 314 if (!option.argIsOptional && 315 (param == null || param.isEmpty() || param.charAt(0) == '-')) { 316 throw new BadArgs("error.missing.arg", name).showUsage(true); 317 } 318 } 319 option.process(jartool, name, param); 320 } 321 322 return count; 323 } 324 325 private static Option getOption(String name) throws BadArgs { 326 for (Option o : recognizedOptions) { 327 if (o.matches(name)) { 328 return o; 329 } 330 } 331 throw new BadArgs("error.unrecognized.option", name).showUsage(true); 332 } 333 334 static void printHelpExtra(PrintWriter out) { 335 printHelp0(out, true); 336 } 337 338 static void printHelp(PrintWriter out) { 339 printHelp0(out, false); 340 } 341 342 private static void printHelp0(PrintWriter out, boolean printExtra) { 343 out.format("%s%n", Main.getMsg("main.help.preopt")); 344 for (OptionType type : OptionType.values()) { 345 boolean typeHeadingWritten = false; 346 347 for (Option o : recognizedOptions) { 348 if (!o.type.equals(type)) 349 continue; 350 String name = o.aliases[0].substring(1); // there must always be at least one name 351 name = name.charAt(0) == '-' ? name.substring(1) : name; 352 if (o.isHidden() || name.equals("h")) { 353 continue; 354 } 355 if (o.isExtra() && !printExtra) { 356 continue; 357 } 358 if (!typeHeadingWritten) { 359 out.format("%n%s%n", Main.getMsg("main.help.opt." + type.name)); 360 typeHeadingWritten = true; 361 } 362 out.format("%s%n", Main.getMsg("main.help.opt." + type.name + "." + name)); 363 } 364 } 365 out.format("%n%s%n%n", Main.getMsg("main.help.postopt")); 366 } 367 368 static void printCompatHelp(PrintWriter out) { 369 out.format("%s%n", Main.getMsg("usage.compat")); 370 } 371 372 static void printUsageTryHelp(PrintWriter out) { 373 out.format("%s%n", Main.getMsg("main.usage.summary.try")); 374 } 375 376 static void printVersion(PrintWriter out) { 377 out.format("%s %s%n", "jar", System.getProperty("java.version")); 378 } 379 }