Java之apk 解压、修改、打包、签名(2)
简介：上篇文章http://showlike.iteye.com/admin/blogs/1688679中,通过Runtime.getRuntime().exec 调用命令的方式对APK进行 解压、打包、签名。此文不同之处在于应用java.util.zip对APK进行解压、打包，感觉说得有点多，直接上代码。
代码实现：
import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.util.Enumeration;import java.util.zip.CRC32;import java.util.zip.CheckedOutputStream;import java.util.zip.ZipOutputStream;import org.apache.tools.zip.ZipEntry;import org.apache.tools.zip.ZipFile;/** * @author showlike * @version v1.0* 2012-9-28 上午11:03:36* explain : 文件解压/打包工具 */public class ZipUtil {private static final int BUFFER = 1024; private static final String BASE_DIR = "";/**符号"/"用来作为目录标识判断符*/private static final String PATH = "/";/**签名目录*/private static final String SIGN_PATH_NAME = "META-INF";/**修改文件目录*/private static final String UPDATE_PATH_NAME = "\\res\\raw\\channel";/**解压源文件目录*/private static final String SOURCE_PATH_NAME = "\\source\\";/**打包目录*/private static final String TARGET_PATH_NAME = "\\target\\";/**签名目录*/private static final String RESULT_PATH_NAME = "\\result\\";/**JDK BIN 目录*/private static final String JDK_BIN_PATH = "C:\\Program Files\\Java\\jdk1.6.0_26\\bin";/**密钥 目录*/private static final String SECRET_KEY_PATH = "F:\\document\\APK\\";/**密钥 名称*/private static final String SECRET_KEY_NAME = "sdk.keystore";/** * 解压缩zip文件 * @param fileName 要解压的文件名 包含路径 如："c:\\test.zip" * @param filePath 解压后存放文件的路径 如："c:\\temp" * @throws Exception */ @SuppressWarnings("rawtypes")public static void unZip(String fileName, String filePath) throws Exception{ ZipFile zipFile = new ZipFile(fileName); Enumeration emu = zipFile.getEntries(); while(emu.hasMoreElements()){ ZipEntry entry = (ZipEntry) emu.nextElement(); if (entry.isDirectory()){ new File(filePath+entry.getName()).mkdirs(); continue; } BufferedInputStream bis = new BufferedInputStream(zipFile.getInputStream(entry)); File file = new File(filePath + entry.getName()); File parent = file.getParentFile(); if(parent != null && (!parent.exists())){ parent.mkdirs(); } FileOutputStream fos = new FileOutputStream(file); BufferedOutputStream bos = new BufferedOutputStream(fos,BUFFER); byte [] buf = new byte; int len = 0; while((len=bis.read(buf,0,BUFFER))!=-1){ fos.write(buf,0,len); } bos.flush(); bos.close(); bis.close(); } zipFile.close(); } /** * 压缩文件 ** @param srcFile * @param destPath * @throws Exception */public static void compress(String srcFile, String destPath) throws Exception {compress(new File(srcFile), new File(destPath));}/** * 压缩 ** @param srcFile * 源路径 * @param destPath * 目标路径 * @throws Exception */public static void compress(File srcFile, File destFile) throws Exception {// 对输出文件做CRC32校验CheckedOutputStream cos = new CheckedOutputStream(new FileOutputStream(destFile), new CRC32());ZipOutputStream zos = new ZipOutputStream(cos);compress(srcFile, zos, BASE_DIR);zos.flush();zos.close();}/** * 压缩 ** @param srcFile * 源路径 * @param zos * ZipOutputStream * @param basePath * 压缩包内相对路径 * @throws Exception */private static void compress(File srcFile, ZipOutputStream zos,String basePath) throws Exception {if (srcFile.isDirectory()) {compressDir(srcFile, zos, basePath);} else {compressFile(srcFile, zos, basePath);}}/** * 压缩目录 ** @param dir * @param zos * @param basePath * @throws Exception */private static void compressDir(File dir, ZipOutputStream zos,String basePath) throws Exception {File[] files = dir.listFiles();// 构建空目录if (files.length < 1) {ZipEntry entry = new ZipEntry(basePath + dir.getName() + PATH);zos.putNextEntry(entry);zos.closeEntry();}String dirName = "";String path = "";for (File file : files) {//当父文件包名为空时，则不把包名添加至路径中（主要是解决压缩时会把父目录文件也打包进去）if(basePath!=null && !"".equals(basePath)){dirName=dir.getName(); }path = basePath + dirName + PATH;// 递归压缩compress(file, zos, path);}}/** * 文件压缩 ** @param file * 待压缩文件 * @param zos * ZipOutputStream * @param dir * 压缩文件中的当前路径 * @throws Exception */private static void compressFile(File file, ZipOutputStream zos, String dir)throws Exception {/** * 压缩包内文件名定义 ** <pre> * 如果有多级目录，那么这里就需要给出包含目录的文件名 * 如果用WinRAR打开压缩包，中文名将显示为乱码 * </pre> */if("/".equals(dir))dir="";else if(dir.startsWith("/"))dir=dir.substring(1,dir.length());ZipEntry entry = new ZipEntry(dir + file.getName());zos.putNextEntry(entry);BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));int count;byte data[] = new byte;while ((count = bis.read(data, 0, BUFFER)) != -1) {zos.write(data, 0, count);}bis.close();zos.closeEntry();}public static void main(String[] args)throws Exception{StringBuffer buffer = new StringBuffer();BufferedReader br =null;OutputStreamWriter osw =null;String srcPath = "F:\\document\\APK\\new\\iGouShop.apk";String content= "channel_id=LD20120926";File srcFile = new File(srcPath);String parentPath = srcFile.getParent();//源文件目录String fileName = srcFile.getName();//源文件名称String prefixName = fileName.substring(0, fileName.lastIndexOf("."));//解压源文件保存路径String sourcePath = buffer.append(parentPath).append(SOURCE_PATH_NAME).append(prefixName).append("\\").toString();//------解压unZip(srcPath, sourcePath);//------删除解压后的签名文件String signPathName = sourcePath+SIGN_PATH_NAME;File signFile = new File(signPathName);if(signFile.exists()){File sonFiles[] = signFile.listFiles();if(sonFiles!=null && sonFiles.length>0){//循环删除签名目录下的文件for(File f : sonFiles){f.delete();}}signFile.delete();}//------修改内容buffer.setLength(0);String path = buffer.append(parentPath).append(SOURCE_PATH_NAME).append(prefixName).append(UPDATE_PATH_NAME).toString();br = new BufferedReader(new InputStreamReader(new FileInputStream(path)));while((br.readLine())!=null){osw = new OutputStreamWriter(new FileOutputStream(path));osw.write(content,0,content.length());osw.flush();}//------打包String targetPath = parentPath+TARGET_PATH_NAME;//判断创建文件夹File targetFile = new File(targetPath);if(!targetFile.exists()){targetFile.mkdir();}compress(parentPath+SOURCE_PATH_NAME+prefixName,targetPath+fileName);//------签名File ff =new File(JDK_BIN_PATH);String resultPath = parentPath+RESULT_PATH_NAME;//判断创建文件夹File resultFile = new File(resultPath);if(!resultFile.exists()){resultFile.mkdir();}//组合签名命令buffer.setLength(0);buffer.append("cmd.exe /c jarsigner -keystore ").append(SECRET_KEY_PATH).append(SECRET_KEY_NAME).append(" -storepass winadsdk -signedjar ").append(resultPath).append(fileName).append(" ")//签名保存路径应用名称.append(targetPath).append(fileName).append(" ")//打包保存路径应用名称.append(SECRET_KEY_NAME);//利用命令调用JDK工具命令进行签名Process process = Runtime.getRuntime().exec(buffer.toString(),null,ff);if(process.waitFor()!=0)System.out.println("文件打包失败！！！");}}
注：此实现在应用解压上有些不能通过，但在解压我司应用时未出现该异常，原因未能解决，希望大牛们给予指点。
关于java zip推荐博文：http://snowolf.iteye.com/blog/465433#bc2283658
页:
[1]