Java tutorial
/* * dex2jar - Tools to work with android .dex and java .class files * Copyright (c) 2009-2012 Panxiaobo * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.googlecode.dex2jar.tools; import java.io.File; import java.util.Map; import org.apache.commons.io.FilenameUtils; import com.googlecode.dex2jar.Method; import com.googlecode.dex2jar.ir.ET; import com.googlecode.dex2jar.reader.DexFileReader; import com.googlecode.dex2jar.v3.Dex2jar; import com.googlecode.dex2jar.v3.DexExceptionHandlerImpl; import com.googlecode.dex2jar.v3.Main; public class Dex2jarCmd extends BaseCmd { public static void main(String[] args) { new Dex2jarCmd().doMain(args); } @Opt(opt = "e", longOpt = "exception-file", description = "detail exception file, default is $current_dir/[file-name]-error.zip", argName = "file") private File exceptionFile; @Opt(opt = "f", longOpt = "force", hasArg = false, description = "force overwrite") private boolean forceOverwrite = false; @Opt(opt = "n", longOpt = "not-handle-exception", hasArg = false, description = "not handle any exception throwed by dex2jar") private boolean notHandleException = false; @Opt(opt = "o", longOpt = "output", description = "output .jar file, default is $current_dir/[file-name]-dex2jar.jar", argName = "out-jar-file") private File output; @Opt(opt = "r", longOpt = "reuse-reg", hasArg = false, description = "reuse regiter while generate java .class file") private boolean reuseReg = false; @Opt(opt = "s", hasArg = false, description = "same with --topological-sort/-ts") private boolean topologicalSort1 = false; @Opt(opt = "v", longOpt = "verbose", hasArg = false, description = "show progress") private boolean verbose = false; @Opt(opt = "ts", longOpt = "topological-sort", hasArg = false, description = "sort block by topological, that will generate more readable code") private boolean topologicalSort = false; @Opt(opt = "d", longOpt = "debug-info", hasArg = false, description = "translate debug info") private boolean debugInfo = false; @Opt(opt = "p", longOpt = "print-ir", hasArg = false, description = "print ir to Syste.out") private boolean printIR = false; @Opt(opt = "os", longOpt = "optmize-synchronized", hasArg = false, description = "optmize-synchronized") private boolean optmizeSynchronized = false; public Dex2jarCmd() { super("d2j-dex2jar [options] <file0> [file1 ... fileN]", "convert dex to jar"); } @Override protected void doCommandLine() throws Exception { if (remainingArgs.length == 0) { usage(); return; } if ((exceptionFile != null || output != null) && remainingArgs.length != 1) { System.err.println("-e/-o can only used with one file"); return; } if (debugInfo && reuseReg) { System.err.println("-d/-r can not use together"); return; } if (output != null) { if (output.exists() && !forceOverwrite) { System.err.println(output + " exists, use --force to overwrite"); return; } } else { for (String fileName : remainingArgs) { File file = new File(FilenameUtils.getBaseName(fileName) + "-dex2jar.jar"); if (file.exists() && !forceOverwrite) { System.err.println(file + " exists, use --force to overwrite"); return; } } } for (String fileName : remainingArgs) { File file = output == null ? new File(FilenameUtils.getBaseName(fileName) + "-dex2jar.jar") : output; System.err.println("dex2jar " + fileName + " -> " + file); DexFileReader reader = new DexFileReader(new File(fileName)); DexExceptionHandlerImpl handler = notHandleException ? null : new DexExceptionHandlerImpl().skipDebug(!debugInfo); Dex2jar.from(reader).withExceptionHandler(handler).reUseReg(reuseReg) .topoLogicalSort(topologicalSort || topologicalSort1).skipDebug(!debugInfo) .optimizeSynchronized(this.optmizeSynchronized).printIR(printIR).verbose(verbose).to(file); if (!notHandleException) { Map<Method, Exception> exceptions = handler.getExceptions(); if (exceptions != null && exceptions.size() > 0) { File errorFile = exceptionFile == null ? new File(FilenameUtils.getBaseName(fileName) + "-error.zip") : exceptionFile; handler.dumpException(reader, errorFile); System.err.println("Detail Error Information in File " + errorFile); System.err.println( "Please report this file to http://code.google.com/p/dex2jar/issues/entry if possible."); } } } } @Override protected String getVersionString() { return "reader-" + DexFileReader.class.getPackage().getImplementationVersion() + ", translator-" + Main.class.getPackage().getImplementationVersion() + ", ir-" + ET.class.getPackage().getImplementationVersion(); } }