java ant的zip笔记
import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.ArrayList;import java.util.Enumeration;import java.util.List;import org.apache.tools.zip.ZipEntry;import org.apache.tools.zip.ZipFile;import org.apache.tools.zip.ZipOutputStream;public class ZipUtil {/** * 不准实例对象 */private ZipUtil() {}/** * 压缩 * * @param lists * 添加的文件列表 * @param fileDest * 目标zip文件的路径 * @throws IOException */public static void zip(List<String> lists, String fileDest)throws Exception {if (lists == null || lists.size() <= 0) {throw new Exception("file list is empty!");} else {File destFile = new File(fileDest);OutputStream output = null;ZipOutputStream zipOut = null;if (destFile.exists()) {throw new Exception("target file Already exists!");} else {try {output = new FileOutputStream(destFile, false);} catch (Exception e) {throw new Exception("target directory must exists!");}zipOut = new ZipOutputStream(output);for (String filePath : lists) {File file = new File(filePath);if (file.exists()) {List<String> temps = new ArrayList<String>();recursionFiles(file.getPath(), temps);for (String p : temps) {recursionZipFile(p, zipOut);}//recursionZipFile(file.getPath(), zipOut);} else {if (zipOut != null) {zipOut.closeEntry();try {zipOut.close();} catch (Exception e1) {destFile.delete(); // delete already zipfilee1.printStackTrace();}zipOut = null;}if (output != null) {output.flush();try {output.close();} catch (Exception e1) {destFile.delete(); // delete already zipfilee1.printStackTrace();}output = null;}destFile.delete();throw new Exception("target file not exists!");}}// close stream objectcloseStream(zipOut, output, destFile);}}}/** * @param file * 添加的单个文件 * @param fileDest * 目标zip文件的路径 * @throws Exception */public static void zip(String file, String fileDest) throws Exception {File srcFile = new File(file);if (srcFile.exists()) {File destFile = new File(fileDest);OutputStream output = null;ZipOutputStream zipOut = null;if (destFile.exists()) {throw new Exception("target file Already exists!");} else {try {output = new FileOutputStream(destFile, false);} catch (Exception e) {throw new Exception("target directory must exists!");}zipOut = new ZipOutputStream(output);try {recursionZipFile(srcFile.getPath(), zipOut);} catch (Exception e) {closeStream(zipOut, output, destFile);e.printStackTrace();}// close stream objectcloseStream(zipOut, output, destFile);}} else {throw new Exception("target file not exists!");}}/** * @param zipSrc * zip源文件路径 * @param fileDest * 解压的文件路径 * @throws Exception */public static void unzip(String zipSrc, String fileDest) throws Exception {File f = new File(zipSrc);if (f.exists()) {File file = new File(fileDest);if (file.exists() && file.isDirectory()) {ZipFile zipFile = new ZipFile(f);for (@SuppressWarnings("rawtypes")Enumeration entries = zipFile.getEntries(); entries.hasMoreElements();) {try {ZipEntry zipEntry = (ZipEntry) entries.nextElement();InputStream ins = zipFile.getInputStream(zipEntry);int index = zipEntry.getName().lastIndexOf("/") + 1;if (index <= 0) {index = zipEntry.getName().lastIndexOf("\") + 1;}file = new File(fileDest+ "/"+ zipEntry.getName().substring(0, index)+ "/"+ zipEntry.getName().substring(index,zipEntry.getName().length()));File parentPath = new File(file.getParent());if (!parentPath.isDirectory()) {parentPath.mkdirs();}String absPath = file.getPath().replaceAll("\\\", "/");OutputStream output = new FileOutputStream(absPath);int len=-1;byte [] b=new byte[1024];while((len=ins.read(b))!=-1){output.write(b, 0, len);}output.flush();output.close();ins.close();} catch (Exception e) {delete(fileDest, false); // delete already unzip filee.printStackTrace();}}zipFile.close();} else {throw new Exception("target directory not exists!");}} else {throw new Exception("src file not exists!");}}/** * * @param lists * 追加的文件列表 * @param zipDest * 要追加的zip文件 */@SuppressWarnings("unchecked")public static void zipAppend(List<String> lists, String zipDest)throws Exception {File zipRoot = new File(zipDest);String suffix = zipRoot.getPath().substring(zipRoot.getPath().lastIndexOf("zip"));boolean isException = true;if (zipRoot.isFile() && "zip".equals(suffix)) {if (lists != null && lists.size() > 0) {File destFile = new File(zipDest);ZipFile zipFile = new ZipFile(zipRoot);OutputStream output = null;ZipOutputStream zipOut = null;for (int i = 0; i < lists.size(); i++) {isException = exists(lists.get(i), false);}try {@SuppressWarnings("rawtypes")List list = new ArrayList();List<String> existsFile = new ArrayList<String>();if (isException) {// 先添加原来的for (@SuppressWarnings("rawtypes")Enumeration entries = zipFile.getEntries(); entries.hasMoreElements();) {try {List<Object> oldFile = new ArrayList<Object>();ZipEntry zipEntry = (ZipEntry) entries.nextElement();InputStream ins = zipFile.getInputStream(zipEntry);long size = zipEntry.getSize();String name = zipEntry.getName();/** * assets/picture/1-1.png * assets/mousePic/1uparrow2.png */for (int i = 0; i < lists.size(); i++) {String newsName = lists.get(i).toString();List<String> temps = new ArrayList<String>();recursionFiles(newsName, temps);for (int j = 0; j < temps.size(); j++) {String tempName = name;if (tempName.indexOf("/") != -1) {tempName = tempName.replaceAll("/","\\\");}String tp = (zipRoot.getParent() + tempName).replaceAll("\\\", "/").toLowerCase();String sp = temps.get(j).replaceAll("\\\", "/").toLowerCase();if (tp.equals(sp)) {// 用最后新的文件路径替换前面己有路径，这是为了，用后面的覆盖前面的文件ins = new FileInputStream(new File(temps.get(j)));size = ins.available();existsFile.add(temps.get(j)); // 添加存在的住合里面去}}}byte[] b = new byte[(int) size];// long begin=System.currentTimeMillis();for (int i = 0; i < size; i++) {byte c = (byte) ins.read();// 存入临时缓存b[i] = c;}ins.close();oldFile.add(name);oldFile.add(b);list.add(oldFile);} catch (Exception e) {isException = false;e.printStackTrace();}}} else {throw new Exception("target file format error");}if (isException) {try {output = new FileOutputStream(destFile);} catch (Exception e) {throw new Exception(e);}zipOut = new ZipOutputStream(output);// 原来的for (int i = 0; i < list.size(); i++) {List<Object> oldFile = (List<Object>) list.get(i);String name = oldFile.get(0).toString();byte[] b = (byte[]) oldFile.get(1);ZipEntry zipEntry = new ZipEntry(name);zipOut.putNextEntry(zipEntry);zipOut.write(b, 0, b.length);}// 再添加后面的for (int i = 0; i < lists.size(); i++) {String path = lists.get(i).replaceAll("\\\", "/");List<String> temps = new ArrayList<String>();recursionFiles(path, temps);// 选出不存在的for (int j = 0; j < existsFile.size(); j++) {if (temps.contains(existsFile.get(j))) {temps.remove(existsFile.get(j)); // 这一步是为了移除旧的文件}}for (String p : temps) {recursionZipFile(p, zipOut);}}} else {throw new Exception("target file format error");}} catch (Exception e) {closeStream(zipOut, output, destFile);e.printStackTrace();}// close stream objectcloseStream(zipOut, output, destFile);} else {throw new Exception("lists empty!");}} else {throw new Exception("target file format error");}}/** * 关闭流 * * @param zipOut * @param output * @param destFile */private static void closeStream(ZipOutputStream zipOut,OutputStream output, File destFile) {if (zipOut != null) {try {zipOut.closeEntry();zipOut.flush();zipOut.close();} catch (Exception e) {destFile.delete();e.printStackTrace();}zipOut = null;}if (output != null) {try {output.flush();output.close();} catch (Exception e) {destFile.delete();e.printStackTrace();}output = null;}}/** * 这是递归删除,当前目录下所有文件都将删除 * * @param p * 路径 * @param dp * 是否删除当前目录 * @throws Exception */private static void delete(String p, boolean dp) throws Exception {File rootFile = new File(p);if (rootFile.exists()) {String[] files = rootFile.list();for (int i = 0; i < files.length; i++) {String path = (rootFile.getPath() + "\" + files[i]).replaceAll("\\\", "/");File elementFile = new File(path);if (elementFile.isDirectory()) {delete(elementFile.getPath(), true);} else {if (!elementFile.delete()) {throw new Exception("delete Failed!");}}}} else {throw new Exception("target directory not exists!");}if (dp) {if (!rootFile.delete()) {throw new Exception("delete Failed!");}}}/** * @param base * @param path * @param entry * @param zipOut */private static void recursionZipFile(String path, ZipOutputStream zipOut) {try {File f = new File(path);FileInputStream input = new FileInputStream(f.getPath());String base = "";String temppath = f.getPath().replaceAll("\\\", "/");String xg[] = temppath.split("/");/** * 下面这个主要是为了确定父文件夹 */if (xg.length == 2) {base = "";} else if (xg.length > 2) {base = temppath.substring(temppath.indexOf("/") + 1,temppath.lastIndexOf("/") + 1);}String savepath = base + f.getName();ZipEntry entry = new ZipEntry(savepath);zipOut.putNextEntry(entry);int len = 0;byte[] b = new byte[1024];while ((len = input.read(b)) != -1) {zipOut.write(b, 0, len);}input.close();} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}/** * 递归一个文件夹下所有文件 * * @param path * @param returnList * @return */private static List<String> recursionFiles(String path,List<String> returnList) {File filepath = new File(path.replaceAll("\\\", "/"));if (filepath.exists()) {if (filepath.isDirectory()) {String[] files = filepath.list();for (int i = 0; i < files.length; i++) {String newsPath = filepath.getPath() + "/" + files[i];newsPath = newsPath.replaceAll("\\\", "/");File elementFile = new File(newsPath);if (elementFile.exists()) {if (elementFile.isFile()) {returnList.add(elementFile.getPath());} else if (elementFile.isDirectory()) {recursionFiles(newsPath, returnList);// 再遍历}} else {returnList = new ArrayList<String>();break;}}} else {returnList.add(filepath.getPath());}} else {returnList = new ArrayList<String>();}return returnList;}/** * 判断一个文件夹下所有文件是否确实存在 * * @param path * @param exists * @return */private static boolean exists(String path, boolean exists) {File filepath = new File(path.replaceAll("\\\", "/"));if (filepath.exists()) {if (filepath.isDirectory()) {String[] files = filepath.list();for (int i = 0; i < files.length; i++) {String newsPath = filepath.getPath() + "/" + files[i];newsPath = newsPath.replaceAll("\\\", "/");File elementFile = new File(newsPath);if (elementFile.exists()) {if (elementFile.isFile()) {exists = true;} else if (elementFile.isDirectory()) {exists(newsPath, false);// 再遍历}} else {exists = false;}}} else {exists = true;}} else {exists = false;}return exists;}public static void main(String[] args) throws Exception {// delete("D:\\aa", true);// testzipAppend();// List<String> fileList = new ArrayList<String>();// fileList.add("D:\\图片.png");// fileList.add("D:\\assets");// fileList.add("D:\\projectsw.xml");// fileList.add("D:\\assets\\aa.png");// for(int i=0;i<fileList.size();i++){//// System.out.println(exists(fileList.get(i), false));// }testunZIP();}private static void testZIP() {List<String> fileList = new ArrayList<String>();fileList.add("D:\\图片.png");fileList.add("D:\\assets");fileList.add("D:\\My Documents\\F5\\projects.xml");String srcFile = "D:\\My Documents\\F5\\projects.xml";String fileDest = "D:\\zip-2.zip";try {zip(fileList, fileDest);} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}private static void testunZIP() {String srcFile = "D:\\dddd.zip";String destFile = "D:\\aa";try {unzip(srcFile, destFile);} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}private static void testzipAppend() throws Exception {List<String> fileList = new ArrayList<String>();fileList.add("D:\\图片.png");fileList.add("D:\\assets");fileList.add("D:\\projects.xml");String fileDest = "D:\\dddd.zip";zipAppend(fileList, fileDest);}private static void buffer() {File file = new File("D:\\waterMarkImage.jpg");InputStream in;try {in = new FileInputStream(file);BufferedInputStream bs = new BufferedInputStream(in);Thread.sleep(10000);BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File("D:\\aa.jpg")));byte[] b = new byte[1024];int len = 0;while ((len = bs.read(b)) != -1) {bos.write(b, 0, len);}bos.flush();bos.close();bs.close();in.close();} catch (FileNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}?