ant压缩文件夹
程序员文章站
2022-05-02 14:38:38
...
package com.sniper.test;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Set;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
public class ZipUtil {
public static final int BUFFER = 1024 * 4;
/**
* 压缩一个文件夹到一个指定文件
* @param zipPath 需要压缩的文件夹路径
* @param destFile 压缩到的文件
* @throws IOException
*/
public static void zipFiles(String zipPath, String destFile) throws IOException{
File parentFile = new File(zipPath);
Set<String> fileSet = new HashSet<String>();
listFile(parentFile, fileSet);
zipFiles(fileSet, new File(zipPath), destFile);
}
/**
* @param filePathList 压缩的文件列表
* @param destFile 压缩到的文件
* @param rootDir 根路径
* @throws IOException
*/
public static void zipFiles(Set<String> filePathList, File destFile, String rootDir) throws IOException {
byte[] buf = new byte[BUFFER];
ZipEntry ze = null;
int readLen = 0;
ZipOutputStream out = null;
InputStream in = null;
try {
out = new ZipOutputStream(new FileOutputStream(destFile));
for (String filePath : filePathList) {
File srcFile = new File(filePath);
//是文件
if (srcFile.isFile()) {
//创建一个ZipEntry,并设置Name和其它的一些属性
ze = new ZipEntry(getRelativeFileName(rootDir, srcFile));
ze.setSize(srcFile.length());
ze.setTime(srcFile.lastModified());
//将ZipEntry加到out中,再写入实际的文件内容
out.putNextEntry(ze);
try {
in = new BufferedInputStream(new FileInputStream(srcFile));
while ( (readLen = in.read(buf, 0, BUFFER)) != -1) {
out.write(buf, 0, readLen);
}
}
finally {
if (in != null) {
try {
in.close();
}
catch (Exception ignore) {
}
}
}
}
//是目录
else if (srcFile.isDirectory()){
ze = new ZipEntry(getRelativeFileName(rootDir, srcFile));
//仅仅将ZipEntry加到out中
out.putNextEntry(ze);
}
else {
System.out.println(srcFile + " is neither a file nor a directory, ignore it");
continue;
}
out.closeEntry();
}
}
finally {
if (in != null) {
try {
in.close();
}
catch (Exception ignore) {
}
finally {
in = null;
}
}
if (out != null) {
try {
out.close();
}
catch (Exception ignore) {
}
finally {
out = null;
}
}
}
}
public static void listFile(File parentFile, Set<String> fileSet) {
if (parentFile.isDirectory()) {
File[] files = parentFile.listFiles();
for (int i = 0; i < files.length; i++) {
listFile(files[i], fileSet);
}
//fileSet.add(parentFile.getAbsolutePath()); // no parent
}
else {
fileSet.add(parentFile.getAbsolutePath());
}
}
public static String getRelativeFileName(String baseDir, File realFile) {
File real = realFile;
File base = new File(baseDir);
String ret = real.getName();
if (!realFile.isFile()) {
ret += '/';
}
while (true) {
real = real.getParentFile();
if (real == null) {
break;
}
if (real.equals(base)) {
break;
}
else {
//这里不能使用File.separator替代“/”,因为压缩/解压都只识别“/”分割符
ret = real.getName() + '/' + ret;
}
}
System.out.println(ret);
return ret;
}
public static void main(String[] args) throws Exception {
String zipPath = "c:/zip";
File parentFile = new File(zipPath);
Set<String> fileSet = new HashSet<String>();
listFile(parentFile, fileSet);
for(String fileStr : fileSet){
//System.out.println(fileStr);
}
zipFiles(fileSet, new File("c:/zip.zip"), zipPath);
}
}
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Set;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
public class ZipUtil {
public static final int BUFFER = 1024 * 4;
/**
* 压缩一个文件夹到一个指定文件
* @param zipPath 需要压缩的文件夹路径
* @param destFile 压缩到的文件
* @throws IOException
*/
public static void zipFiles(String zipPath, String destFile) throws IOException{
File parentFile = new File(zipPath);
Set<String> fileSet = new HashSet<String>();
listFile(parentFile, fileSet);
zipFiles(fileSet, new File(zipPath), destFile);
}
/**
* @param filePathList 压缩的文件列表
* @param destFile 压缩到的文件
* @param rootDir 根路径
* @throws IOException
*/
public static void zipFiles(Set<String> filePathList, File destFile, String rootDir) throws IOException {
byte[] buf = new byte[BUFFER];
ZipEntry ze = null;
int readLen = 0;
ZipOutputStream out = null;
InputStream in = null;
try {
out = new ZipOutputStream(new FileOutputStream(destFile));
for (String filePath : filePathList) {
File srcFile = new File(filePath);
//是文件
if (srcFile.isFile()) {
//创建一个ZipEntry,并设置Name和其它的一些属性
ze = new ZipEntry(getRelativeFileName(rootDir, srcFile));
ze.setSize(srcFile.length());
ze.setTime(srcFile.lastModified());
//将ZipEntry加到out中,再写入实际的文件内容
out.putNextEntry(ze);
try {
in = new BufferedInputStream(new FileInputStream(srcFile));
while ( (readLen = in.read(buf, 0, BUFFER)) != -1) {
out.write(buf, 0, readLen);
}
}
finally {
if (in != null) {
try {
in.close();
}
catch (Exception ignore) {
}
}
}
}
//是目录
else if (srcFile.isDirectory()){
ze = new ZipEntry(getRelativeFileName(rootDir, srcFile));
//仅仅将ZipEntry加到out中
out.putNextEntry(ze);
}
else {
System.out.println(srcFile + " is neither a file nor a directory, ignore it");
continue;
}
out.closeEntry();
}
}
finally {
if (in != null) {
try {
in.close();
}
catch (Exception ignore) {
}
finally {
in = null;
}
}
if (out != null) {
try {
out.close();
}
catch (Exception ignore) {
}
finally {
out = null;
}
}
}
}
public static void listFile(File parentFile, Set<String> fileSet) {
if (parentFile.isDirectory()) {
File[] files = parentFile.listFiles();
for (int i = 0; i < files.length; i++) {
listFile(files[i], fileSet);
}
//fileSet.add(parentFile.getAbsolutePath()); // no parent
}
else {
fileSet.add(parentFile.getAbsolutePath());
}
}
public static String getRelativeFileName(String baseDir, File realFile) {
File real = realFile;
File base = new File(baseDir);
String ret = real.getName();
if (!realFile.isFile()) {
ret += '/';
}
while (true) {
real = real.getParentFile();
if (real == null) {
break;
}
if (real.equals(base)) {
break;
}
else {
//这里不能使用File.separator替代“/”,因为压缩/解压都只识别“/”分割符
ret = real.getName() + '/' + ret;
}
}
System.out.println(ret);
return ret;
}
public static void main(String[] args) throws Exception {
String zipPath = "c:/zip";
File parentFile = new File(zipPath);
Set<String> fileSet = new HashSet<String>();
listFile(parentFile, fileSet);
for(String fileStr : fileSet){
//System.out.println(fileStr);
}
zipFiles(fileSet, new File("c:/zip.zip"), zipPath);
}
}
上一篇: 后悔没早上车:DRAM合约价格二季度至少上涨5% 最高10%
下一篇: 最完整build.xml解释