1 /* 2 * Copyright 2007 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.tonicsystems.jarjar; 18 19 import static java.nio.charset.StandardCharsets.UTF_8; 20 21 import com.tonicsystems.jarjar.util.RuntimeIOException; 22 import com.tonicsystems.jarjar.util.StandaloneJarProcessor; 23 import java.io.BufferedReader; 24 import java.io.BufferedWriter; 25 import java.io.File; 26 import java.io.IOException; 27 import java.io.InputStream; 28 import java.io.InputStreamReader; 29 import java.io.OutputStreamWriter; 30 import java.io.PrintWriter; 31 import java.util.List; 32 33 public class Main { 34 35 private static final String LINE_SEPARATOR = System.getProperty("line.separator"); 36 private static final String HELP; 37 38 static { 39 try { 40 HELP = readIntoString(Main.class.getResourceAsStream("help.txt")); 41 } catch (IOException e) { 42 throw new RuntimeIOException(e); 43 } 44 } 45 readIntoString(InputStream in)46 private static String readIntoString(InputStream in) throws IOException { 47 StringBuilder sb = new StringBuilder(); 48 BufferedReader r = new BufferedReader(new InputStreamReader(in, UTF_8)); 49 String line = null; 50 while ((line = r.readLine()) != null) { 51 sb.append(line).append(LINE_SEPARATOR); 52 } 53 return sb.toString(); 54 } 55 main(String[] args)56 public static void main(String[] args) throws Exception { 57 MainUtil.runMain(new Main(), args, "help"); 58 } 59 help()60 public void help() { 61 System.err.print(HELP); 62 } 63 strings(String cp)64 public void strings(String cp) throws IOException { 65 if (cp == null) { 66 throw new IllegalArgumentException("cp is required"); 67 } 68 new StringDumper() 69 .run(cp, new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out, UTF_8)))); 70 } 71 72 // TODO: make level an enum find(String level, String cp1, String cp2)73 public void find(String level, String cp1, String cp2) throws IOException { 74 if (level == null || cp1 == null) { 75 throw new IllegalArgumentException("level and cp1 are required"); 76 } 77 if (cp2 == null) { 78 cp2 = cp1; 79 } 80 int levelFlag; 81 if ("class".equals(level)) { 82 levelFlag = DepHandler.LEVEL_CLASS; 83 } else if ("jar".equals(level)) { 84 levelFlag = DepHandler.LEVEL_JAR; 85 } else { 86 throw new IllegalArgumentException("unknown level " + level); 87 } 88 PrintWriter w = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out, UTF_8))); 89 DepHandler handler = new TextDepHandler(w, levelFlag); 90 new DepFind().run(cp1, cp2, handler); 91 w.flush(); 92 } 93 process(File rulesFile, File inJar, File outJar)94 public void process(File rulesFile, File inJar, File outJar) throws IOException { 95 if (rulesFile == null || inJar == null || outJar == null) { 96 throw new IllegalArgumentException("rulesFile, inJar, and outJar are required"); 97 } 98 List<PatternElement> rules = RulesFileParser.parse(rulesFile); 99 boolean verbose = Boolean.getBoolean("verbose"); 100 boolean skipManifest = Boolean.getBoolean("skipManifest"); 101 // ANDROID-BEGIN: b/146418363 Add an Android-specific transformer to strip compat annotation 102 boolean removeAndroidCompatAnnotations = Boolean.getBoolean("removeAndroidCompatAnnotations"); 103 MainProcessor proc = 104 new MainProcessor(rules, verbose, skipManifest, removeAndroidCompatAnnotations); 105 // ANDROID-END: b/146418363 Add an Android-specific transformer to strip compat annotation 106 StandaloneJarProcessor.run(inJar, outJar, proc); 107 proc.strip(outJar); 108 } 109 } 110