java实现文件夹下解压jar包和zip包
比如解压下列jar包：D:\ProtexScan\example\example.jar
将项目打成jar包后，执行：java -jar decompression_tools-1.0-SNAPSHOT.jar D:\ProtexScan
解压完成后会在D:\ProtexScan生成一个target目录和extractLog.txt日志文件，所有解压后的文件按照原目录结构放置在target目录下。
package common; import org.apache.tools.ant.Project; import org.apache.tools.ant.taskdefs.Zip; import org.apache.tools.ant.types.FileSet; import org.apache.tools.zip.ZipEntry; import org.apache.tools.zip.ZipFile; import java.io.*; import java.util.Enumeration; /** * 文件解压缩工具类 * */ public class FileOperateUtil { public static void setLogPath(String logPath) { FileOperateUtil.logPath = logPath; } // private static Logger logger = Logger.getLogger(FileOperateUtil.class); private static String logPath = ""; public static String getLogPath() { return logPath; } /** * 压缩文件 * * @param zipFilePath 压缩的文件完整名称(目录+文件名) * @param srcPathName 需要被压缩的文件或文件夹 */ public void compressFiles(String zipFilePath, String srcPathName) { File zipFile = new File(zipFilePath); File srcdir = new File(srcPathName); if (!srcdir.exists()) { throw new RuntimeException(srcPathName + "不存在！"); } Project prj = new Project(); FileSet fileSet = new FileSet(); fileSet.setProject(prj); if (srcdir.isDirectory()) { //是目录 fileSet.setDir(srcdir); fileSet.setIncludes("*.csv"); //包括哪些文件或文件夹 eg:zip.setIncludes("*.java"); //fileSet.setExcludes(...); //排除哪些文件或文件夹 } else { fileSet.setFile(srcdir); } Zip zip = new Zip(); zip.setProject(prj); zip.setDestFile(zipFile); zip.setEncoding("gbk"); //以gbk编码进行压缩，注意windows是默认以gbk编码进行压缩的 zip.addFileset(fileSet); zip.execute(); // logger.debug("---compress files success---"); } /** * 解压文件到指定目录 * * @param //zipFile 目标文件 * @param //descDir 解压目录 * @author isDelete 是否删除目标文件 */ @SuppressWarnings("unchecked") public void unZipFiles(String zipFilePath, String fileSavePath, boolean isDelete) { FileOperateUtil fileOperateUtil = new FileOperateUtil(); boolean isUnZipSuccess = true; try { (new File(fileSavePath)).mkdirs(); File f = new File(zipFilePath); if ((!f.exists()) && (f.length() <= 0)) { throw new RuntimeException("not find "+zipFilePath+"!"); } //一定要加上编码，之前解压另外一个文件，没有加上编码导致不能解压 ZipFile zipFile = new ZipFile(f, "gbk"); String gbkPath, strtemp; Enumeratione = zipFile.getEntries(); while (e.hasMoreElements()) { org.apache.tools.zip.ZipEntry zipEnt = e.nextElement(); gbkPath = zipEnt.getName(); strtemp = fileSavePath + File.separator + gbkPath; if (zipEnt.isDirectory()) { //目录 File dir = new File(strtemp); if (!dir.exists()) { dir.mkdirs(); } continue; } else { // 读写文件 InputStream is = zipFile.getInputStream(zipEnt); BufferedInputStream bis = new BufferedInputStream(is); // 建目录 String strsubdir = gbkPath; for (int i = 0; i < strsubdir.length(); i++) { if (strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) { String temp = fileSavePath + File.separator + strsubdir.substring(0, i); File subdir = new File(temp); if (!subdir.exists()) subdir.mkdir(); } } FileOutputStream fos = new FileOutputStream(strtemp); BufferedOutputStream bos = new BufferedOutputStream(fos); int len; byte[] buff = new byte[5120]; while ((len = bis.read(buff)) != -1) { bos.write(buff, 0, len); } bos.close(); fos.close(); } } zipFile.close(); } catch (Exception e) { // logger.error("解压文件出现异常：", e); isUnZipSuccess = false; System.out.println("extract file error: " + zipFilePath); fileOperateUtil.WriteStringToFile(fileOperateUtil.logPath, "extract file error: " + zipFilePath); } /** * 文件不能删除的原因： * 1.看看是否被别的进程引用，手工删除试试(删除不了就是被别的进程占用) 2.file是文件夹 并且不为空，有别的文件夹或文件， 3.极有可能有可能自己前面没有关闭此文件的流(我遇到的情况) */ if (isDelete && isUnZipSuccess) { boolean flag = new File(zipFilePath).delete(); // logger.debug("删除源文件结果: " + flag); fileOperateUtil.WriteStringToFile(fileOperateUtil.logPath, "delete " + zipFilePath + "result: " + flag); } // logger.debug("compress files success"); } /** * 删除指定文件夹下所有文件 * param path 文件夹完整绝对路径 * * @param path * @return */ public static boolean delAllFile(String path) { System.out.println(path); boolean flag = false; File file = new File(path); if (!file.exists()) { return flag; } if (!file.isDirectory()) { return flag; } String[] tempList = file.list(); File temp = null; for (int i = 0; i < tempList.length; i++) { if (path.endsWith(File.separator)) { temp = new File(path + tempList[i]); } else { temp = new File(path + File.separator + tempList[i]); } if (temp.isFile()) { temp.delete(); } if (temp.isDirectory()) { delAllFile(path + "/" + tempList[i]);// 先删除文件夹里面的文件 boolean success = (new File(path + "/" + tempList[i])).delete(); flag = success; } } return flag; } /** * 复制单个文件 * * @param oldPath String 原文件路径 如：c:/fqf.txt * @param newPath String 复制后路径 如：f:/fqf.txt * @return boolean */ public void copyFile(String oldPath, String newPath) { BufferedInputStream bis = null; BufferedOutputStream bos = null; try { bis = new BufferedInputStream(new FileInputStream(oldPath)); bos = new BufferedOutputStream(new FileOutputStream(newPath)); int hasRead = 0; byte b[] = new byte[2048]; while ((hasRead = bis.read(b)) > 0) { bos.write(b, 0, hasRead); } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { if (bos != null) { try { bos.flush(); bos.close(); } catch (IOException e) { e.printStackTrace(); } } if (bis != null) { try { bis.close(); } catch (IOException e) { e.printStackTrace(); } } } } /** * 复制整个文件夹内容 * @param oldPath String 原文件路径 如：c:/fqf * @param newPath String 复制后路径 如：f:/fqf/ff * @return boolean */ public void copyFolder(String oldPath, String newPath) { System.out.println("copy path: " + oldPath); try { (new File(newPath)).mkdirs(); //如果文件夹不存在 则建立新文件夹 File a = new File(oldPath); String[] file = a.list(); File temp = null; for (int i = 0; i < file.length; i++) { if (oldPath.endsWith(File.separator)) { temp = new File(oldPath + file[i]); } else { temp = new File(oldPath + File.separator + file[i]); } if (temp.isFile()) { FileInputStream input = new FileInputStream(temp); FileOutputStream output = new FileOutputStream(newPath + "/" + (temp.getName()).toString()); byte[] b = new byte[5120]; int len; while ((len = input.read(b)) != -1) { output.write(b, 0, len); } output.flush(); output.close(); input.close(); } if (temp.isDirectory()) {//如果是子文件夹 copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]); } } } catch (Exception e) { System.out.println("复制整个文件夹内容操作出错"); e.printStackTrace(); } } /** * 写内容到指定文件 * @param filePath * @param content */ public void WriteStringToFile(String filePath, String content) { try { FileWriter fw = new FileWriter(filePath, true); BufferedWriter bw = new BufferedWriter(fw); bw.write(content + "\r\n");// 往已有的文件上添加字符串 bw.close(); fw.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
package common; import java.io.File; public class Execute { public void extractFiles(String strPath) { FileOperateUtil fileOperateUtil = new FileOperateUtil(); File dir = new File(strPath); File[] files = dir.listFiles(); // 该文件目录下文件全部放入数组 if (files != null) { for (int i = 0; i < files.length; i++) { String fileName = files[i].getName(); if (!files[i].isDirectory() && (fileName.endsWith(".jar") || fileName.endsWith(".zip"))) { // 判断文件名是否以.jar结尾 String sourceFilePath = files[i].getAbsolutePath(); System.out.println("extract file: " + sourceFilePath); fileOperateUtil.WriteStringToFile(fileOperateUtil.getLogPath(), "extract file: " + sourceFilePath); String dirName = fileName.substring(0, fileName.length() - 4); String resultPath = sourceFilePath.replace(fileName, dirName); fileOperateUtil.unZipFiles(sourceFilePath, resultPath, true); } } } } public static void main(String[] args) throws Exception { FileOperateUtil fileOperateUtil = new FileOperateUtil(); String rootPath = args[0]; if ("".equals(rootPath) || rootPath == null) { System.out.println("please input extract path:"); fileOperateUtil.WriteStringToFile(fileOperateUtil.getLogPath(), "please input extract path:"); } // String rootPath = "D:\\SVNhome\\test"; // fileOperateUtil.delAllFile(rootPath); if (rootPath.endsWith("\\")) { rootPath = rootPath.substring(0, rootPath.length() - 1); } fileOperateUtil.setLogPath(rootPath + "\\extractLog.txt"); long startTime = System.currentTimeMillis(); long endTime = 0; System.out.println("extract path: " + rootPath); fileOperateUtil.WriteStringToFile(fileOperateUtil.getLogPath(), "extract path: " + rootPath); Execute execute = new Execute(); File dir = new File(rootPath); File[] files = dir.listFiles(); if (files != null) { int filesNum = files.length; for (int i = 0; i < filesNum; i++) { String fileName = files[i].getName(); if (!fileName.endsWith(".svn") && !fileName.endsWith("extractLog.txt") && !fileName.endsWith("target")) { fileOperateUtil.WriteStringToFile(fileOperateUtil.getLogPath(), "copy path: " + rootPath + "\\" + fileName); if (files[i].isDirectory()) { fileOperateUtil.copyFolder(rootPath + "\\" + fileName, rootPath + "\\target\\" + fileName); execute.extractFiles(rootPath + "\\target\\" + fileName); } else { fileOperateUtil.copyFile(rootPath + "\\" + fileName, rootPath + "\\target\\" + fileName); } } } } endTime = System.currentTimeMillis(); //获取结束时间 System.out.println("程序运行时间：" + (endTime - startTime) / 1000 + "s"); //输出程序运行时间 fileOperateUtil.WriteStringToFile(fileOperateUtil.getLogPath(), "程序运行时间：" + (endTime - startTime) / 1000 + "s"); } }
pom文件
xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">