依赖的jar包，除了如下的pom依赖还额外依赖java-unrar-0.5.0.jar，其他地方下载后本地添加，地址http://maven.aliyun.com/mvn/search
7z解压：
package tools;
import net.sf.sevenzipjbinding.*;
import net.sf.sevenzipjbinding.impl.RandomAccessFileInStream;
import net.sf.sevenzipjbinding.simple.ISimpleInArchive;
import net.sf.sevenzipjbinding.simple.ISimpleInArchiveItem;
import org.apache.commons.io.IOUtils;
import java.io.*;
import java.util.Arrays;
public class SevenZUtils {
/**
*
* @Description (解压7z)
* @param file7zPath(7z文件路径)
* @param outPutPath(解压路径)
* @param passWord(文件密码.没有可随便写,或空)
* @return
* @throws Exception
*/
public static int un7z(String file7zPath, final String outPutPath, String passWord) throws Exception {
IInArchive archive;
RandomAccessFile randomAccessFile;
randomAccessFile = new RandomAccessFile(file7zPath, "r");
archive = SevenZip.openInArchive(null, new RandomAccessFileInStream(randomAccessFile), passWord);
int numberOfItems = archive.getNumberOfItems();
ISimpleInArchive simpleInArchive = archive.getSimpleInterface();
for (final ISimpleInArchiveItem item : simpleInArchive.getArchiveItems()) {
final int[] hash = new int[] { 0 };
if (!item.isFolder()) {
ExtractOperationResult result;
final long[] sizeArray = new long[1];
result = item.extractSlow(new ISequentialOutStream() {
public int write(byte[] data) throws SevenZipException {
try {
String str = item.getPath();
str = str.substring(0, str.lastIndexOf(File.separator));
File file = new File(outPutPath + File.separator + str + File.separator);
if (!file.exists()) {
file.mkdirs();
}
File file1 = new File(outPutPath + File.separator + item.getPath());
IOUtils.write(data, new FileOutputStream(file1, true));
} catch (Exception e) {
e.printStackTrace();
}
hash[0] ^= Arrays.hashCode(data); // Consume data
sizeArray[0] += data.length;
return data.length; // Return amount of consumed
}
}, passWord);
if (result == ExtractOperationResult.OK) {
} else {
}
}
}
archive.close();
randomAccessFile.close();
return numberOfItems;
}
}
tar解压：
package tools;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import java.io.*;
public class TarUtils {
private static final String BASE_DIR = "";
// 符号"/"用来作为目录标识判断符
private static final String PATH = File.separator;
private static final int BUFFER = 1024;
private static final String EXT = ".tar";
/**
* 归档
*
* @param srcFile 源路径
* @param taos TarArchiveOutputStream
* @param basePath 归档包内相对路径
* @throws Exception
*/
private static void archive(File srcFile, TarArchiveOutputStream taos,
String basePath) throws Exception {
if (srcFile.isDirectory()) {
archiveDir(srcFile, taos, basePath);
} else {
archiveFile(srcFile, taos, basePath);
}
}
/**
* 目录归档
*
* @param dir
* @param taos TarArchiveOutputStream
* @param basePath
* @throws Exception
*/
private static void archiveDir(File dir, TarArchiveOutputStream taos,
String basePath) throws Exception {
File[] files = dir.listFiles();
if (files.length < 1) {
TarArchiveEntry entry = new TarArchiveEntry(basePath
+ dir.getName() + PATH);
taos.putArchiveEntry(entry);
taos.closeArchiveEntry();
}
for (File file : files) {
// 递归归档
archive(file, taos, basePath + dir.getName() + PATH);
}
}
/**
* 数据归档
*
* @param file 待归档数据
* @param taos 归档数据的当前路径
* @param dir 归档文件名
* @param taos TarArchiveOutputStream
* @throws Exception
*/
private static void archiveFile(File file, TarArchiveOutputStream taos,
String dir) {
BufferedInputStream bis = null;
try {
TarArchiveEntry entry = new TarArchiveEntry(dir + file.getName());
entry.setSize(file.length());
taos.putArchiveEntry(entry);
bis = new BufferedInputStream(new FileInputStream(
file));
int count;
byte data[] = new byte[BUFFER];
while ((count = bis.read(data, 0, BUFFER)) != -1) {
taos.write(data, 0, count);
}
} catch (Exception ex) {
System.out.println("archiveFile Exception:" + ex);
} finally {
try {
if (bis != null) {
bis.close();
}
if (taos != null) {
taos.closeArchiveEntry();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 解归档
*
* @param srcFile
* @param destFile
* @throws Exception
*/
public static void dearchive(File srcFile, File destFile) {
TarArchiveInputStream tais = null;
try {
tais = new TarArchiveInputStream(
new FileInputStream(srcFile));
dearchive(destFile, tais);
} catch (Exception ex) {
System.out.println("dearchive Exception:" + ex);
} finally {
if (tais != null) {
try {
tais.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 解归档
*
* @param srcFile
* @param destPath
* @throws Exception
*/
public static void dearchive(File srcFile, String destPath)
throws Exception {
dearchive(srcFile, new File(destPath));
}
/**
* 文件 解归档
*
* @param destFile 目标文件
* @param tais ZipInputStream
* @throws Exception
*/
private static void dearchive(File destFile, TarArchiveInputStream tais)
throws Exception {
TarArchiveEntry entry = null;
while ((entry = tais.getNextTarEntry()) != null) {
// 文件
String dir = destFile.getPath() + File.separator + entry.getName();
File dirFile = new File(dir);
// 文件检查
fileProber(dirFile);
if (entry.isDirectory()) {
dirFile.mkdirs();
} else {
dearchiveFile(dirFile, tais);
}
}
}
/**
* 文件 解归档
*
* @param srcPath 源文件路径
* @param destPath 目标文件路径
* @throws Exception
*/
public static void untar(String srcPath, String destPath) {
try {
File srcFile = new File(srcPath);
dearchive(srcFile, destPath);
} catch (Exception ex) {
System.out.println("tarDearchiveByPath Exception:" + ex);
}
}
/**
* 文件解归档
*
* @param destFile 目标文件
* @param tais TarArchiveInputStream
* @throws Exception
*/
private static void dearchiveFile(File destFile, TarArchiveInputStream tais)
throws Exception {
BufferedOutputStream bos = new BufferedOutputStream(
new FileOutputStream(destFile));
int count;
byte data[] = new byte[BUFFER];
while ((count = tais.read(data, 0, BUFFER)) != -1) {
bos.write(data, 0, count);
}
bos.close();
}
/**
* 文件探针
* <p>
* <pre>
* 当父目录不存在时，创建目录！
* </pre>
*
* @param dirFile
*/
private static void fileProber(File dirFile) {
File parentFile = dirFile.getParentFile();
if (!parentFile.exists()) {
// 递归寻找上级目录
fileProber(parentFile);
parentFile.mkdir();
}
}
}
rar解压：
package tools;
import de.innosystec.unrar.Archive;
import de.innosystec.unrar.rarfile.FileHeader;
import java.io.File;
import java.io.FileOutputStream;
public class RarUtils {
public static void unrar(String sourceRar, String destDir) throws Exception {
Archive a = null;
FileOutputStream fos = null;
try {
a = new Archive(new File(sourceRar));
FileHeader fh = a.nextFileHeader();
while (fh != null) {
if (!fh.isDirectory()) {
//1 根据不同的操作系统拿到相应的 destDirName 和 destFileName
String compressFileName = fh.getFileNameString().trim();
String destFileName = "";
String destDirName = "";
//非windows系统
if (File.separator.equals("/")) {
destFileName = destDir+"/"+ compressFileName.replaceAll("\\\\", "/");
destDirName = destFileName.substring(0, destFileName.lastIndexOf("/"));
//windows系统
} else {
destFileName = destDir + compressFileName.replaceAll("/", "\\\\");
destDirName = destFileName.substring(0, destFileName.lastIndexOf("\\"));
}
//2创建文件夹
File dir = new File(destDirName);
if (!dir.exists() || !dir.isDirectory()) {
dir.mkdirs();
}
//3解压缩文件
fos = new FileOutputStream(new File(destFileName));
a.extractFile(fh, fos);
fos.close();
fos = null;
}
fh = a.nextFileHeader();
}
a.close();
a = null;
} catch (Exception e) {
throw e;
} finally {
if (fos != null) {
try {
fos.close();
fos = null;
} catch (Exception e) {
e.printStackTrace();
}
}
if (a != null) {
try {
a.close();
a = null;
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
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