1 /* 2 * Copyright (c) 2016, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import com.sun.tools.jdeps.Analyzer; 25 import com.sun.tools.jdeps.DepsAnalyzer; 26 import com.sun.tools.jdeps.InverseDepsAnalyzer; 27 import com.sun.tools.jdeps.JdepsConfiguration; 28 import com.sun.tools.jdeps.JdepsFilter; 29 import com.sun.tools.jdeps.JdepsWriter; 30 import com.sun.tools.jdeps.ModuleAnalyzer; 31 32 import java.io.Closeable; 33 import java.io.File; 34 import java.io.IOException; 35 import java.io.PrintStream; 36 import java.io.PrintWriter; 37 import java.io.StringWriter; 38 import java.io.UncheckedIOException; 39 import java.lang.module.ModuleDescriptor; 40 import java.nio.file.Files; 41 import java.nio.file.Path; 42 import java.util.Arrays; 43 import java.util.HashSet; 44 import java.util.Set; 45 import java.util.jar.JarEntry; 46 import java.util.jar.JarOutputStream; 47 import java.util.regex.Pattern; 48 import java.util.stream.Collectors; 49 import java.util.stream.Stream; 50 51 /** 52 * Utilities to run jdeps command 53 */ 54 public final class JdepsUtil { 55 /* 56 * Runs jdeps with the given arguments 57 */ 58 public static String[] jdeps(String... args) { 59 String lineSep = System.getProperty("line.separator"); 60 StringWriter sw = new StringWriter(); 61 PrintWriter pw = new PrintWriter(sw); 62 System.err.println("jdeps " + Arrays.stream(args).collect(Collectors.joining(" "))); 63 int rc = com.sun.tools.jdeps.Main.run(args, pw); 64 pw.close(); 65 String out = sw.toString(); 66 if (!out.isEmpty()) 67 System.err.println(out); 68 if (rc != 0) 69 throw new Error("jdeps failed: rc=" + rc); 70 return out.split(lineSep); 71 } 72 73 public static Command newCommand(String cmd) { 74 return new Command(cmd); 75 } 76 77 public static class Command implements Closeable { 78 79 final StringWriter sw = new StringWriter(); 80 final PrintWriter pw = new PrintWriter(sw); 81 final JdepsFilter.Builder filter = new JdepsFilter.Builder().filter(true, true); 82 final JdepsConfiguration.Builder builder = new JdepsConfiguration.Builder(); 83 final Set<String> requires = new HashSet<>(); 84 85 JdepsConfiguration configuration; 86 Analyzer.Type verbose = Analyzer.Type.PACKAGE; 87 boolean apiOnly = false; 88 89 public Command(String cmd) { 90 System.err.println("============ "); 91 System.err.println(cmd); 92 } 93 94 public Command verbose(String verbose) { 95 switch (verbose) { 96 case "-verbose": 97 this.verbose = Analyzer.Type.VERBOSE; 98 filter.filter(false, false); 99 break; 100 case "-verbose:package": 101 this.verbose = Analyzer.Type.PACKAGE; 102 break; 103 case "-verbose:class": 104 this.verbose = Analyzer.Type.CLASS; 105 break; 106 case "-summary": 107 this.verbose = Analyzer.Type.SUMMARY; 108 break; 109 default: 110 throw new IllegalArgumentException(verbose); 111 } 112 return this; 113 } 114 115 public Command filter(String value) { 116 switch (value) { 117 case "-filter:package": 118 filter.filter(true, false); 119 break; 120 case "-filter:archive": 121 case "-filter:module": 122 filter.filter(false, true); 123 break; 124 default: 125 throw new IllegalArgumentException(value); 126 } 127 return this; 128 } 129 130 public Command addClassPath(String classpath) { 131 builder.addClassPath(classpath); 132 return this; 133 } 134 135 public Command addRoot(Path path) { 136 builder.addRoot(path); 137 return this; 138 } 139 140 public Command appModulePath(String modulePath) { 141 builder.appModulePath(modulePath); 142 return this; 143 } 144 145 public Command addmods(Set<String> mods) { 146 builder.addmods(mods); 147 return this; 148 } 149 150 public Command requires(Set<String> mods) { 151 requires.addAll(mods); 152 return this; 153 } 154 155 public Command matchPackages(Set<String> pkgs) { 156 filter.packages(pkgs); 157 return this; 158 } 159 160 public Command regex(String regex) { 161 filter.regex(Pattern.compile(regex)); 162 return this; 163 } 164 165 public Command include(String regex) { 166 filter.includePattern(Pattern.compile(regex)); 167 return this; 168 } 169 170 public Command includeSystemMoudles(String regex) { 171 filter.includeSystemModules(Pattern.compile(regex)); 172 return this; 173 } 174 175 public Command apiOnly() { 176 this.apiOnly = true; 177 return this; 178 } 179 180 public JdepsConfiguration configuration() throws IOException { 181 if (configuration == null) { 182 this.configuration = builder.build(); 183 requires.forEach(name -> { 184 ModuleDescriptor md = configuration.findModuleDescriptor(name).get(); 185 filter.requires(name, md.packages()); 186 }); 187 } 188 return configuration; 189 } 190 191 private JdepsWriter writer() { 192 return JdepsWriter.newSimpleWriter(pw, verbose); 193 } 194 195 public DepsAnalyzer getDepsAnalyzer() throws IOException { 196 return new DepsAnalyzer(configuration(), filter.build(), writer(), 197 verbose, apiOnly); 198 } 199 200 public ModuleAnalyzer getModuleAnalyzer(Set<String> mods) throws IOException { 201 // if -check is set, add to the root set and all modules are observable 202 addmods(mods); 203 builder.allModules(); 204 return new ModuleAnalyzer(configuration(), pw, mods); 205 } 206 207 public InverseDepsAnalyzer getInverseDepsAnalyzer() throws IOException { 208 return new InverseDepsAnalyzer(configuration(), filter.build(), writer(), 209 verbose, false); 210 } 211 212 public void dumpOutput(PrintStream out) { 213 out.println(sw.toString()); 214 } 215 216 @Override 217 public void close() throws IOException { 218 configuration.close(); 219 } 220 } 221 222 /** 223 * Create a jar file using the list of files provided. 224 */ 225 public static void createJar(Path jarfile, Path root, Stream<Path> files) 226 throws IOException { 227 Path dir = jarfile.getParent(); 228 if (dir != null && Files.notExists(dir)) { 229 Files.createDirectories(dir); 230 } 231 try (JarOutputStream target = new JarOutputStream( 232 Files.newOutputStream(jarfile))) { 233 files.forEach(file -> add(root.relativize(file), file, target)); 234 } 235 } 236 237 private static void add(Path path, Path source, JarOutputStream target) { 238 try { 239 String name = path.toString().replace(File.separatorChar, '/'); 240 JarEntry entry = new JarEntry(name); 241 entry.setTime(source.toFile().lastModified()); 242 target.putNextEntry(entry); 243 Files.copy(source, target); 244 target.closeEntry(); 245 } catch (IOException e) { 246 throw new UncheckedIOException(e); 247 } 248 } 249 }