UnpackABFile/src/unpack/UnpackABFile.java at master · space9bug/UnpackABFile · GitHub

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package unpack;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.ArrayList;

import java.util.List;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import org.apache.commons.compress.archivers.tar.TarArchiveEntry;

import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;

import org.apache.commons.compress.utils.IOUtils;

import org.apache.commons.lang3.StringUtils;

import org.nick.abe.Main;

public class UnpackABFile {

public static int BUFFER_SIZE = 2048;

public static void createDirectory(String outputDir, String subDir) {

File file = new File(outputDir);

if (!(subDir == null || subDir.trim().equals(""))) {// 子目录不为空

file = new File(outputDir + File.separator + subDir);

}

if (!file.exists()) {

file.mkdirs();

}

public static void main(String[] args) throws Exception {

String abPath = args[0];

String dbPath = args[1];

String abPassword = args[2];

String tempPath = dbPath + File.separator + "temp";

createDirectory(tempPath, null);

String[] arg = { "unpack", abPath, tempPath + File.separator + "soul.tar", abPassword };

Main.main(arg);

System.out.println(unTar(tempPath + File.separator + "soul.tar", dbPath));

System.out.println("解压完成");

}

public static List<String> unTar(File tarFile, String destDir) throws Exception {

if (StringUtils.isBlank(destDir)) {

destDir = tarFile.getParent();

}

destDir = destDir.endsWith(File.separator) ? destDir : destDir + File.separator;

return unTar(new FileInputStream(tarFile), destDir);

}

private static List<String> unTar(InputStream inputStream, String destDir) throws Exception {

String match = "apps/cn.soulapp.android/f/";

String match2 = "apps/cn.soulapp.android/f/easemobDB/[0-9]{0,}.db$";

List<String> fileNames = new ArrayList<String>();

TarArchiveInputStream tarIn = new TarArchiveInputStream(inputStream, BUFFER_SIZE);

TarArchiveEntry entry = null;

try {

while ((entry = tarIn.getNextTarEntry()) != null) {

fileNames.add(entry.getName());

Pattern p = Pattern.compile(match2);

Matcher m = p.matcher(entry.getName());

if (m.matches()) {

File tmpFile = new File(destDir + File.separator + entry.getName().substring(match.length()));

createDirectory(tmpFile.getParent() + File.separator, null);// 创建输出目录

OutputStream out = null;

try {

out = new FileOutputStream(tmpFile);

int length = 0;

byte[] b = new byte[2048];

while ((length = tarIn.read(b)) != -1) {

out.write(b, 0, length);

}

} finally {

IOUtils.closeQuietly(out);

}

} catch (Exception e) {

e.printStackTrace();

throw e;

} finally {

IOUtils.closeQuietly(tarIn);

}

return fileNames;

}

public static List<String> unTar(String tarFile, String destDir) throws Exception {

File file = new File(tarFile);

return unTar(file, destDir);

}

UnpackABFile/src/unpack/UnpackABFile.java at master · space9bug/UnpackABFile · GitHub

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