Java tutorial
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We also recommend that a * file or class name and description of purpose be included on the * same "printed page" as the copyright notice for easier * identification within third-party archives. * * Copyright 2016 Alibaba Group * * 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.taobao.android.apatch; import com.taobao.android.dex.Dex; import com.taobao.android.differ.dex.PatchException; import com.taobao.android.dx.merge.CollisionPolicy; import com.taobao.android.dx.merge.DexMerger; import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; import java.sql.Date; import java.util.Arrays; import java.util.List; import java.util.jar.Attributes; import java.util.jar.JarEntry; import java.util.jar.JarFile; import java.util.jar.Manifest; /** * @author sanping.li@alipay.com */ public class MergePatch extends Build { private File[] patchs; public MergePatch(File[] patchs, String name, File out) { super(name, out); this.patchs = patchs; assert null != patchs; } public File doMerge() throws PatchException { try { File dexFile = new File(out, "merge.dex"); if (dexFile.exists() && !dexFile.delete()) { throw new RuntimeException("merge.dex can't be removed."); } File outFile = new File(out, "merge" + SUFFIX); if (dexFile.exists() && !dexFile.delete()) { throw new RuntimeException("merge" + SUFFIX + " can't be removed."); } if (patchs.length > 1) { mergeCode(dexFile); build(outFile, dexFile); return release(out, dexFile, outFile); } else if (patchs.length == 1) { return patchs[0]; } } catch (Exception e) { throw new PatchException(e); } return null; } private void mergeCode(File dexFile) throws IOException { Dex dexA = null; Dex dexB = null; for (File file : patchs) { if (!dexFile.exists() && dexA == null) { dexA = getDexFromJar(file); continue; } else if (dexFile.exists()) { dexA = new Dex(dexFile); } dexB = getDexFromJar(file); Dex[] dexs = new Dex[2]; dexs[0] = dexA; dexs[1] = dexB; // List<Dex>dexes = new ArrayList<>(); List<Dex> dexes = Arrays.asList(dexs); DexMerger dexMerger = new DexMerger(dexes, CollisionPolicy.FAIL); dexMerger.merge().writeTo(dexFile); } } private Dex getDexFromJar(File file) throws IOException { JarFile jarFile = null; try { jarFile = new JarFile(file); JarEntry dexEntry = jarFile.getJarEntry("classes.dex"); return new Dex(jarFile.getInputStream(dexEntry)); } finally { if (jarFile != null) { jarFile.close(); } } } @SuppressWarnings("deprecation") @Override protected Manifest getMeta() { Manifest retManifest = new Manifest(); Attributes main = retManifest.getMainAttributes(); main.putValue("Manifest-Version", "1.0"); main.putValue("Created-By", "1.0 (ApkPatch)"); main.putValue("Created-Time", new Date(System.currentTimeMillis()).toGMTString()); main.putValue("Patch-Name", name); try { fillManifest(main); } catch (IOException e) { e.printStackTrace(); return null; } return retManifest; } private void fillManifest(Attributes main) throws IOException { JarFile jarFile; Manifest manifest; StringBuffer fromBuffer = new StringBuffer(); StringBuffer toBuffer = new StringBuffer(); String from; String to; String name; // String classes; for (File file : patchs) { jarFile = new JarFile(file); JarEntry dexEntry = jarFile.getJarEntry("META-INF/PATCH.MF"); manifest = new Manifest(jarFile.getInputStream(dexEntry)); Attributes attributes = manifest.getMainAttributes(); from = attributes.getValue("From-File"); if (fromBuffer.length() > 0) { fromBuffer.append(','); } fromBuffer.append(from); to = attributes.getValue("To-File"); if (toBuffer.length() > 0) { toBuffer.append(','); } toBuffer.append(to); name = attributes.getValue("Patch-Name"); // classes = attributes.getValue(name + "-Patch-Classes"); main.putValue(name + "-Patch-Classes", attributes.getValue(name + "-Patch-Classes")); main.putValue(name + "-Prepare-Classes", attributes.getValue(name + "-Prepare-Classes")); main.putValue(name + "-Used-Methods", attributes.getValue(name + "-Used-Methods")); main.putValue(name + "-Modified-Classes", attributes.getValue(name + "-Modified-Classes")); main.putValue(name + "-Used-Classes", attributes.getValue(name + "-Used-Classes")); main.putValue(name + "-add-classes", attributes.getValue(name + "-add-classes")); } main.putValue("From-File", fromBuffer.toString()); main.putValue("To-File", toBuffer.toString()); } public static void main(String[] args) throws IOException, PatchException { File tablauncher = new File("/Users/seker/log/temp/tablauncher.apatch"); File commonbiz = new File("/Users/seker/log/temp/commonbiz.apatch"); File[] files = new File[] { tablauncher, commonbiz }; File out = new File("/Users/seker/log/temp/apatch/"); FileUtils.cleanDirectory(out); String keystore = "/Users/seker/programs/debugsign/seker.keystore"; String password = "12345678"; String alias = "seker.keystore"; String entry = "12345678"; String name = "main"; MergePatch mergePatch = new MergePatch(files, name, out); mergePatch.doMerge(); } }