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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();
}
}