java压缩解压缩rar、zip文件
来源https://www.open-open.com/lib/view/open1363592512046.html
被zip 折腾的要死，特意记录一下来，以后防翻车
package cn.com.servyou.nbxxh.wxadmin.common.utils.file;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.tools.tar.TarEntry;
import org.apache.tools.tar.TarOutputStream;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;
import de.innosystec.unrar.Archive;
public class Test {
private static final int BUFFEREDSIZE = 1024;
public Test() {
// TODO Auto-generated constructor stub
}
/**
* 解压zip格式的压缩文件到当前文件夹
*
* @param zipFileName
* @throws Exception
*/
@SuppressWarnings("unchecked")
public synchronized void unzipFile(String zipFileName) throws Exception {
try {
File f = new File(zipFileName);
ZipFile zipFile = new ZipFile(zipFileName);
if ((!f.exists()) && (f.length() <= 0)) {
throw new Exception("要解压的文件不存在!");
}
String strPath, gbkPath, strtemp;
File tempFile = new File(f.getParent());
strPath = tempFile.getAbsolutePath();
java.util.Enumeration e = zipFile.getEntries();
while (e.hasMoreElements()) {
org.apache.tools.zip.ZipEntry zipEnt = (ZipEntry) e.nextElement();
gbkPath = zipEnt.getName();
if (zipEnt.isDirectory()) {
strtemp = strPath + "/" + gbkPath;
File dir = new File(strtemp);
dir.mkdirs();
continue;
} else {
//读写文件
InputStream is = zipFile.getInputStream(zipEnt);
BufferedInputStream bis = new BufferedInputStream(is);
gbkPath = zipEnt.getName();
strtemp = strPath + "/" + gbkPath;
//建目录
String strsubdir = gbkPath;
for (int i = 0; i < strsubdir.length(); i++) {
if (strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
String temp = strPath + "/" + 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 c;
while ((c = bis.read()) != -1) {
bos.write((byte) c);
}
bos.close();
fos.close();
}
}
} catch (Exception e) {
e.printStackTrace();
throw e;
}
}
/**
* 解压zip格式的压缩文件到指定位置
*
* @param zipFileName 压缩文件
* @param extPlace 解压目录
* @throws Exception
*/
@SuppressWarnings("unchecked")
public synchronized void unzip(String zipFileName, String extPlace) throws Exception {
try {
(new File(extPlace)).mkdirs();
File f = new File(zipFileName);
ZipFile zipFile = new ZipFile(zipFileName);
if ((!f.exists()) && (f.length() <= 0)) {
throw new Exception("要解压的文件不存在!");
}
String strPath, gbkPath, strtemp;
File tempFile = new File(extPlace);
strPath = tempFile.getAbsolutePath();
java.util.Enumeration e = zipFile.getEntries();
while (e.hasMoreElements()) {
org.apache.tools.zip.ZipEntry zipEnt = (ZipEntry) e.nextElement();
gbkPath = zipEnt.getName();
if (zipEnt.isDirectory()) {
strtemp = strPath + File.separator + gbkPath;
File dir = new File(strtemp);
dir.mkdirs();
continue;
} else {
//读写文件
InputStream is = zipFile.getInputStream(zipEnt);
BufferedInputStream bis = new BufferedInputStream(is);
gbkPath = zipEnt.getName();
strtemp = strPath + File.separator + gbkPath;
//建目录
String strsubdir = gbkPath;
for (int i = 0; i < strsubdir.length(); i++) {
if (strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
String temp = strPath + 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 c;
while ((c = bis.read()) != -1) {
bos.write((byte) c);
}
bos.close();
fos.close();
}
}
} catch (Exception e) {
e.printStackTrace();
throw e;
}
}
/**
* 解压zip格式的压缩文件到指定位置
*
* @param zipFileName 压缩文件
* @param extPlace 解压目录
* @throws Exception
*/
@SuppressWarnings("unchecked")
public synchronized void unzip(String zipFileName, String extPlace, boolean whether) throws Exception {
try {
(new File(extPlace)).mkdirs();
File f = new File(zipFileName);
ZipFile zipFile = new ZipFile(zipFileName);
if ((!f.exists()) && (f.length() <= 0)) {
throw new Exception("要解压的文件不存在!");
}
String strPath, gbkPath, strtemp;
File tempFile = new File(extPlace);
strPath = tempFile.getAbsolutePath();
java.util.Enumeration e = zipFile.getEntries();
while (e.hasMoreElements()) {
org.apache.tools.zip.ZipEntry zipEnt = (ZipEntry) e.nextElement();
gbkPath = zipEnt.getName();
if (zipEnt.isDirectory()) {
strtemp = strPath + File.separator + gbkPath;
File dir = new File(strtemp);
dir.mkdirs();
continue;
} else {
//读写文件
InputStream is = zipFile.getInputStream(zipEnt);
BufferedInputStream bis = new BufferedInputStream(is);
gbkPath = zipEnt.getName();
strtemp = strPath + File.separator + gbkPath;
//建目录
String strsubdir = gbkPath;
for (int i = 0; i < strsubdir.length(); i++) {
if (strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
String temp = strPath + 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 c;
while ((c = bis.read()) != -1) {
bos.write((byte) c);
}
bos.close();
fos.close();
}
}
} catch (Exception e) {
e.printStackTrace();
throw e;
}
}
/**
* 压缩zip格式的压缩文件
*
* @param inputFilename 压缩的文件或文件夹及详细路径
* @param zipFilename 输出文件名称及详细路径
* @throws IOException
*/
public synchronized void zip(String inputFilename, String zipFilename) throws IOException {
zip(new File(inputFilename), zipFilename);
}
/**
* 压缩zip格式的压缩文件
*
* @param inputFile 需压缩文件
* @param zipFilename 输出文件及详细路径
* @throws IOException
*/
public synchronized void zip(File inputFile, String zipFilename) throws IOException {
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFilename));
try {
zip(inputFile, out, "");
} catch (IOException e) {
throw e;
} finally {
out.close();
}
}
/**
* 压缩zip格式的压缩文件
*
* @param inputFile 需压缩文件
* @param out 输出压缩文件
* @param base 结束标识
* @throws IOException
*/
@SuppressWarnings("unused")
private synchronized void zip(File inputFile, ZipOutputStream out, String base) throws IOException {
if (inputFile.isDirectory()) {
File[] inputFiles = inputFile.listFiles();
out.putNextEntry(new ZipEntry(base + "/"));
base = base.length() == 0 ? "" : base + "/";
for (int i = 0; i < inputFiles.length; i++) {
zip(inputFiles[i], out, base + inputFiles[i].getName());
}
} else {
if (base.length() > 0) {
out.putNextEntry(new ZipEntry(base));
} else {
out.putNextEntry(new ZipEntry(inputFile.getName()));
}
FileInputStream in = new FileInputStream(inputFile);
try {
int c;
byte[] by = new byte[BUFFEREDSIZE];
while ((c = in.read(by)) != -1) {
out.write(by, 0, c);
}
} catch (IOException e) {
throw e;
} finally {
in.close();
}
}
}
/**
* 解压tar格式的压缩文件到指定目录下
*
* @param tarFileName 压缩文件
* @param extPlace 解压目录
* @throws Exception
*/
public synchronized void untar(String tarFileName, String extPlace) throws Exception {
}
/**
* 压缩tar格式的压缩文件
*
* @param inputFilename 压缩文件
* @param tarFilename 输出路径
* @throws IOException
*/
public synchronized void tar(String inputFilename, String tarFilename) throws IOException {
tar(new File(inputFilename), tarFilename);
}
/**
* 压缩tar格式的压缩文件
*
* @param inputFile 压缩文件
* @param tarFilename 输出路径
* @throws IOException
*/
public synchronized void tar(File inputFile, String tarFilename) throws IOException {
TarOutputStream out = new TarOutputStream(new FileOutputStream(tarFilename));
try {
tar(inputFile, out, "");
} catch (IOException e) {
throw e;
} finally {
out.close();
}
}
/**
* 压缩tar格式的压缩文件
*
* @param inputFile 压缩文件
* @param out 输出文件
* @param base 结束标识
* @throws IOException
*/
@SuppressWarnings("unused")
private synchronized void tar(File inputFile, TarOutputStream out, String base) throws IOException {
if (inputFile.isDirectory()) {
File[] inputFiles = inputFile.listFiles();
out.putNextEntry(new TarEntry(base + "/"));
base = base.length() == 0 ? "" : base + "/";
for (int i = 0; i < inputFiles.length; i++) {
tar(inputFiles[i], out, base + inputFiles[i].getName());
}
} else {
if (base.length() > 0) {
out.putNextEntry(new TarEntry(base));
} else {
out.putNextEntry(new TarEntry(inputFile.getName()));
}
FileInputStream in = new FileInputStream(inputFile);
try {
int c;
byte[] by = new byte[BUFFEREDSIZE];
while ((c = in.read(by)) != -1) {
out.write(by, 0, c);
}
} catch (IOException e) {
throw e;
} finally {
in.close();
}
}
}
/*
maven 坐标
org.apache.ant
ant
1.9.7
*/
}