java gzip 备份 目录

conkeyn

import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.OutputStream;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.List;import java.util.zip.ZipEntry;import java.util.zip.ZipOutputStream;//网上说使用ant.jar包中的类就可以解决中文问题,但我试了,一样是乱码!//import org.apache.tools.zip.ZipEntry;//import org.apache.tools.zip.ZipOutputStream;public class Test {/** 拷贝(复制) */public static final int ACTION_COPY = 2;/** 压缩 */public static final int ACTION_GZIP = 1;public static void main(String[] args) throws Exception {String sourcePath = "C:\\Program Files\\MySQL\\MySQL Server 5.0\\data\\papazo";String aimPath = "C:\\papazo_data";List<String> filtDir = new ArrayList<String>();filtDir.add(".svn");List<String> filtFiles = new ArrayList<String>();filtFiles.add("Thumbs.db");backup(sourcePath, aimPath, filtDir, filtFiles, 1);// System.out.println(getSubDirectory(sourcePath, subsourcePath));}/** * @param sourcePath *            要备份的目录 * @param aimPath *            存放备份的目录 * @param filtDir *            要过滤的目录列表 * @param filtFiles *            要过滤的文件列表 * @param actionType *            执行备份类型 1:GZIP压缩方式,非1值为拷贝 * @throws Exception */public static void backup(String sourcePath, String aimPath,List<String> filtDir, List<String> filtFiles, int actionType)throws Exception {SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd-hh-mm-ss");String datePath = dateFormat.format(new Date());switch (actionType) {case 1:aimPath = buildPath(aimPath);OutputStream os = new FileOutputStream(aimPath + datePath + ".zip");BufferedOutputStream bs = new BufferedOutputStream(os);ZipOutputStream zo = new ZipOutputStream(bs);deepGzipDir(sourcePath, sourcePath, zo, filtDir, filtFiles);zo.closeEntry();zo.close();break;default:deepCopyDir(sourcePath, aimPath + "/" + datePath + "/", filtDir,filtFiles);break;}}/** * 压缩指定的目录,进行备份 *  * @param sourcePath *            要压缩的目录 * @param aimPath *            目标目录(即存放备份的目录,备份文件按日期时间来生成.) * @param gzipFileName *            备份文件的文件名 * @param filtDir *            过滤要备份的目录 * @param filtFiles *            过滤要备份的文件 * @throws Exception */public static void deepGzipDir(String sourcePath, String basePath,ZipOutputStream zo, List<String> filtDir, List<String> filtFiles)throws Exception {File inFile = new File(sourcePath);File[] files = null;if (inFile.isDirectory()) {// 是目录files = inFile.listFiles();} else if (inFile.isFile()) {// 是文件files = new File[1];files[0] = inFile;}byte[] buf = new byte[1024];int len;for (int i = 0; i < files.length; i++) {if (files[i].isDirectory()) {if (filtDir != null && filtDir.size() > 0&& filtDir.contains(files[i].getName())) {// 过滤目录// 不对该名称的目录进行拷贝continue;}zo.putNextEntry(new ZipEntry(getSubDirectory(basePath, files[i].getPath()+ "/"))); // 可以使空目录也放进去deepGzipDir(files[i].getPath(), basePath, zo, filtDir,filtFiles);} else {if (filtFiles != null && filtFiles.size() > 0&& filtFiles.contains(files[i].getName())) {// 过滤文件// 不对该名称的文件进行拷贝continue;}FileInputStream fin = new FileInputStream(files[i]);zo.putNextEntry(new ZipEntry(getSubDirectory(basePath, files[i].getPath())));while ((len = fin.read(buf)) > 0) {zo.write(buf, 0, len);}fin.close();}}}/** * @param root *            根目录 * @param subDirectoryPath *            子目录的全路径 * @return * @throws Exception */public static String getSubDirectory(String root, String subDirectoryPath)throws Exception {String subpath;root = root.replace("\\", "/");subDirectoryPath = subDirectoryPath.replace("\\", "/");subpath = subDirectoryPath.substring(root.length() + 1);return subpath;}/** * 创建目录 *  * @param path * @return * @throws Exception */public static String buildPath(String path) throws Exception {if (!path.endsWith("/") && !path.endsWith("\\")) {path += "/";}File aim = new File(path);if (!aim.exists()) {// 不存在就创建目录aim.mkdirs();}return path;}/** * @param sourcePath *            源目录(要复制的目录) * @param aimPath *            目标目录,目标目录按日期时间来生成 * @throws Exception */public static void deepCopyDir(String sourcePath, String aimPath,List<String> filtDir, List<String> filtFiles) throws Exception {File root = new File(sourcePath);File files[] = null;aimPath = buildPath(aimPath);String relativePath = "";if (root.isDirectory()) {files = root.listFiles();for (int i = 0; i < files.length; i++) {relativePath = files[i].getName();if (files[i].isDirectory()) {// 读取子目录if (filtDir != null && filtDir.size() > 0&& filtDir.contains(files[i].getName())) {// 过滤目录// 不对该名称的目录进行拷贝continue;}deepCopyDir(files[i].getPath(), aimPath + relativePath,filtDir, filtFiles);} else if (files[i].isFile()) {if (filtFiles != null && filtFiles.size() > 0&& filtFiles.contains(files[i].getName())) {// 过滤文件// 不对该名称的文件进行拷贝continue;}copyFile(files[i].getPath(), aimPath);}}} else if (root.isFile()) {copyFile(sourcePath, aimPath);}}/** * 拷贝文件到指定的目录 *  * @param sourcePath *            要拷贝的文件,如:c:\\a.txt * @param aimPath *            目标目录,如:C:\\b或c:\\b\\ * @throws Exception */public static void copyFile(String sourcePath, String aimPath)throws Exception {File inputFile = new File(sourcePath);String fileName = inputFile.getName();FileInputStream inputStream = new FileInputStream(inputFile);File outputFile = new File(aimPath);if (!outputFile.exists()) {outputFile.mkdirs();}if (!aimPath.endsWith("/") && !aimPath.endsWith("\\")) {aimPath += "/";}FileOutputStream outputStream = new FileOutputStream(aimPath + fileName);byte b[] = new byte[inputStream.available()];inputStream.read(b);outputStream.write(b);outputStream.flush();outputStream.close();inputStream.close();}}