1 /* 2 * Copyright (c) 2015, 2017, 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.PrintStream; 30 import java.io.PrintWriter; 31 import java.lang.module.ModuleFinder; 32 import java.lang.module.ModuleDescriptor.Version; 33 import java.nio.file.Path; 34 import java.nio.file.Paths; 35 import java.util.regex.Pattern; 36 import java.util.regex.PatternSyntaxException; 37 38 import jdk.internal.module.ModulePath; 39 import jdk.internal.module.ModuleResolution; 40 41 /** 42 * Parser for GNU Style Options. 43 */ 44 class GNUStyleOptions { 45 46 static class BadArgs extends Exception { 47 static final long serialVersionUID = 0L; 48 49 boolean showUsage; 50 51 BadArgs(String key, String arg) { super(Main.formatMsg(key, arg)); } 52 BadArgs(String key) { super(Main.getMsg(key)); } 53 54 BadArgs showUsage(boolean b) { 55 showUsage = b; 56 return this; 57 } 58 } 59 60 static Option[] recognizedOptions = { 61 // Main operations 62 new Option(false, OptionType.MAIN_OPERATION, "--create", "-c") { 63 void process(Main tool, String opt, String arg) throws BadArgs { 64 if (tool.iflag || tool.tflag || tool.uflag || tool.xflag || tool.dflag) 65 throw new BadArgs("error.multiple.main.operations").showUsage(true); 66 tool.cflag = true; 67 } 68 }, 69 new Option(true, OptionType.MAIN_OPERATION, "--generate-index", "-i") { 70 void process(Main tool, String opt, String arg) throws BadArgs { 71 if (tool.cflag || tool.tflag || tool.uflag || tool.xflag || tool.dflag) 72 throw new BadArgs("error.multiple.main.operations").showUsage(true); 73 tool.iflag = true; 74 tool.rootjar = arg; 75 } 76 }, 77 new Option(false, OptionType.MAIN_OPERATION, "--list", "-t") { 78 void process(Main tool, String opt, String arg) throws BadArgs { 79 if (tool.cflag || tool.iflag || tool.uflag || tool.xflag || tool.dflag) 80 throw new BadArgs("error.multiple.main.operations").showUsage(true); 81 tool.tflag = true; 82 } 83 }, 84 new Option(false, OptionType.MAIN_OPERATION, "--update", "-u") { 85 void process(Main tool, String opt, String arg) throws BadArgs { 86 if (tool.cflag || tool.iflag || tool.tflag || tool.xflag || tool.dflag) 87 throw new BadArgs("error.multiple.main.operations").showUsage(true); 88 tool.uflag = true; 89 } 90 }, 91 new Option(false, OptionType.MAIN_OPERATION, "--extract", "-x") { 92 void process(Main tool, String opt, String arg) throws BadArgs { 93 if (tool.cflag || tool.iflag || tool.tflag || tool.uflag || tool.dflag) 94 throw new BadArgs("error.multiple.main.operations").showUsage(true); 95 tool.xflag = true; 96 } 97 }, 98 new Option(false, OptionType.MAIN_OPERATION, "--print-module-descriptor", "-d") { 99 void process(Main tool, String opt, String arg) throws BadArgs { 100 if (tool.cflag || tool.iflag || tool.tflag || tool.uflag || tool.xflag) 101 throw new BadArgs("error.multiple.main.operations").showUsage(true); 102 tool.dflag = true; 103 } 104 }, 105 106 // Additional options 107 new Option(true, OptionType.ANY, "--file", "-f") { 108 void process(Main jartool, String opt, String arg) { 109 jartool.fname = arg; 110 } 111 }, 112 new Option(false, OptionType.ANY, "--verbose", "-v") { 113 void process(Main jartool, String opt, String arg) { 114 jartool.vflag = true; 115 } 116 }, 117 new Option(false, OptionType.CREATE, "--normalize", "-n") { 118 void process(Main jartool, String opt, String arg) { 119 jartool.nflag = true; 120 } 121 boolean isHidden() { return true; } 122 }, 123 new Option(true, OptionType.CREATE_UPDATE, "--main-class", "-e") { 124 void process(Main jartool, String opt, String arg) { 125 jartool.ename = arg; 126 } 127 }, 128 new Option(true, OptionType.CREATE_UPDATE, "--manifest", "-m") { 129 void process(Main jartool, String opt, String arg) { 130 jartool.mname = arg; 131 } 132 }, 133 new Option(false, OptionType.CREATE_UPDATE, "--no-manifest", "-M") { 134 void process(Main jartool, String opt, String arg) { 135 jartool.Mflag = true; 136 } 137 }, 138 new Option(true, OptionType.CREATE_UPDATE, "--module-version") { 139 void process(Main jartool, String opt, String arg) { 140 jartool.moduleVersion = Version.parse(arg); 141 } 142 }, 143 new Option(true, OptionType.CREATE_UPDATE, "--hash-modules") { 144 void process(Main jartool, String opt, String arg) throws BadArgs { 145 try { 146 jartool.modulesToHash = Pattern.compile(arg); 147 } catch (PatternSyntaxException e) { 148 throw new BadArgs("err.badpattern", arg).showUsage(true); 149 } 150 } 151 }, 152 new Option(true, OptionType.CREATE_UPDATE, "--module-path", "-p") { 153 void process(Main jartool, String opt, String arg) { 154 String[] dirs = arg.split(File.pathSeparator); 155 Path[] paths = new Path[dirs.length]; 156 int i = 0; 157 for (String dir : dirs) { 158 paths[i++] = Paths.get(dir); 159 } 160 jartool.moduleFinder = 161 new ModulePath(Runtime.version(), true, paths); 162 } 163 }, 164 new Option(false, OptionType.CREATE_UPDATE, "--do-not-resolve-by-default") { 165 void process(Main jartool, String opt, String arg) { 166 ModuleResolution mres = jartool.moduleResolution; 167 jartool.moduleResolution = mres.withDoNotResolveByDefault(); 168 } 169 boolean isExtra() { return true; } 170 }, 171 new Option(true, OptionType.CREATE_UPDATE, "--warn-if-resolved") { 172 void process(Main jartool, String opt, String arg) throws BadArgs { 173 ModuleResolution mres = ModuleResolution.empty(); 174 if (jartool.moduleResolution.doNotResolveByDefault()) { 175 mres.withDoNotResolveByDefault(); 176 } 177 if (arg.equals("deprecated")) { 178 jartool.moduleResolution = mres.withDeprecated(); 179 } else if (arg.equals("deprecated-for-removal")) { 180 jartool.moduleResolution = mres.withDeprecatedForRemoval(); 181 } else if (arg.equals("incubating")) { 182 jartool.moduleResolution = mres.withIncubating(); 183 } else { 184 throw new BadArgs("error.bad.reason", arg); 185 } 186 } 187 boolean isExtra() { return true; } 188 }, 189 new Option(false, OptionType.CREATE_UPDATE_INDEX, "--no-compress", "-0") { 190 void process(Main jartool, String opt, String arg) { 191 jartool.flag0 = true; 192 } 193 }, 194 195 // Hidden options 196 new Option(false, OptionType.OTHER, "-P") { 197 void process(Main jartool, String opt, String arg) { 198 jartool.pflag = true; 199 } 200 boolean isHidden() { return true; } 201 }, 202 203 // Other options 204 new Option(true, true, OptionType.OTHER, "--help", "-h") { 205 void process(Main jartool, String opt, String arg) throws BadArgs { 206 if (jartool.info == null) { 207 if (arg == null) { 208 jartool.info = GNUStyleOptions::printHelp; // Main.Info.HELP; 209 return; 210 } 211 if (!arg.equals("compat")) 212 throw new BadArgs("error.illegal.option", arg).showUsage(true); 213 // jartool.info = Main.Info.COMPAT_HELP; 214 jartool.info = GNUStyleOptions::printCompatHelp; 215 } 216 } 217 }, 218 new Option(false, OptionType.OTHER, "--help-extra") { 219 void process(Main jartool, String opt, String arg) throws BadArgs { 220 jartool.info = GNUStyleOptions::printHelpExtra; 221 } 222 }, 223 new Option(false, OptionType.OTHER, "--version") { 224 void process(Main jartool, String opt, String arg) { 225 if (jartool.info == null) 226 jartool.info = GNUStyleOptions::printVersion; 227 } 228 } 229 }; 230 231 enum OptionType { 232 MAIN_OPERATION("main"), 233 ANY("any"), 234 CREATE("create"), 235 CREATE_UPDATE("create.update"), 236 CREATE_UPDATE_INDEX("create.update.index"), 237 OTHER("other"); 238 239 /** Resource lookup section prefix. */ 240 final String name; 241 242 OptionType(String name) { this.name = name; } 243 } 244 245 static abstract class Option { 246 final boolean hasArg; 247 final boolean argIsOptional; 248 final String[] aliases; 249 final OptionType type; 250 251 Option(boolean hasArg, OptionType type, String... aliases) { 252 this(hasArg, false, type, aliases); 253 } 254 255 Option(boolean hasArg, boolean argIsOptional, OptionType type, String... aliases) { 256 this.hasArg = hasArg; 257 this.argIsOptional = argIsOptional; 258 this.type = type; 259 this.aliases = aliases; 260 } 261 262 boolean isHidden() { return false; } 263 264 boolean isExtra() { return false; } 265 266 boolean matches(String opt) { 267 for (String a : aliases) { 268 if (a.equals(opt)) { 269 return true; 270 } else if (opt.startsWith("--") && hasArg && opt.startsWith(a + "=")) { 271 return true; 272 } else if (opt.startsWith("--help") && opt.startsWith(a + ":")) { 273 return true; 274 } 275 } 276 return false; 277 } 278 279 abstract void process(Main jartool, String opt, String arg) throws BadArgs; 280 } 281 282 static int parseOptions(Main jartool, String[] args) throws BadArgs { 283 int count = 0; 284 if (args.length == 0) { 285 jartool.info = GNUStyleOptions::printUsageTryHelp; // never be here 286 return 0; 287 } 288 289 // process options 290 for (; count < args.length; count++) { 291 if (args[count].charAt(0) != '-' || args[count].equals("-C") || 292 args[count].equals("--release")) 293 break; 294 295 String name = args[count]; 296 Option option = getOption(name); 297 String param = null; 298 if (option.hasArg) { 299 if (name.startsWith("--help")) { // "special" optional separator 300 if (name.indexOf(':') > 0) { 301 param = name.substring(name.indexOf(':') + 1, name.length()); 302 } 303 } else if (name.startsWith("--") && name.indexOf('=') > 0) { 304 param = name.substring(name.indexOf('=') + 1, name.length()); 305 } else if (count + 1 < args.length) { 306 param = args[++count]; 307 } 308 if (!option.argIsOptional && 309 (param == null || param.isEmpty() || param.charAt(0) == '-')) { 310 throw new BadArgs("error.missing.arg", name).showUsage(true); 311 } 312 } 313 option.process(jartool, name, param); 314 } 315 316 return count; 317 } 318 319 private static Option getOption(String name) throws BadArgs { 320 for (Option o : recognizedOptions) { 321 if (o.matches(name)) { 322 return o; 323 } 324 } 325 throw new BadArgs("error.unrecognized.option", name).showUsage(true); 326 } 327 328 static void printHelpExtra(PrintWriter out) { 329 printHelp0(out, true); 330 } 331 332 static void printHelp(PrintWriter out) { 333 printHelp0(out, false); 334 } 335 336 private static void printHelp0(PrintWriter out, boolean printExtra) { 337 out.format("%s%n", Main.getMsg("main.help.preopt")); 338 for (OptionType type : OptionType.values()) { 339 boolean typeHeadingWritten = false; 340 341 for (Option o : recognizedOptions) { 342 if (!o.type.equals(type)) 343 continue; 344 String name = o.aliases[0].substring(1); // there must always be at least one name 345 name = name.charAt(0) == '-' ? name.substring(1) : name; 346 if (o.isHidden() || name.equals("h")) { 347 continue; 348 } 349 if (o.isExtra() && !printExtra) { 350 continue; 351 } 352 if (!typeHeadingWritten) { 353 out.format("%n%s%n", Main.getMsg("main.help.opt." + type.name)); 354 typeHeadingWritten = true; 355 } 356 out.format("%s%n", Main.getMsg("main.help.opt." + type.name + "." + name)); 357 } 358 } 359 out.format("%n%s%n%n", Main.getMsg("main.help.postopt")); 360 } 361 362 static void printCompatHelp(PrintWriter out) { 363 out.format("%s%n", Main.getMsg("usage.compat")); 364 } 365 366 static void printUsageTryHelp(PrintWriter out) { 367 out.format("%s%n", Main.getMsg("main.usage.summary.try")); 368 } 369 370 static void printVersion(PrintWriter out) { 371 out.format("%s %s%n", "jar", System.getProperty("java.version")); 372 } 373 }