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import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.compress.utils.IOUtils;
/**
* 将多个文件压缩为tar.gz格式
*
*
*/
public class GZIPUtil {
/**
*
* @Title: pack
* @Description: 将一组文件打成tar包
* @param sources
* 要打包的原文件数组
* @param target
* 打包后的文件
* @return File 返回打包后的文件
* @throws
*/
public static File pack(File[] sources, File target) {
FileOutputStream out = null;
try {
out = new FileOutputStream(target);
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
TarArchiveOutputStream os = new TarArchiveOutputStream(out);
for (int i = 0; i < sources.length; i++) {
String str = sources[i].toString();
File file = new File(str);
try {
System.out.println("file:" + file);
os.putArchiveEntry(new TarArchiveEntry(file));
FileInputStream temp = new FileInputStream(file);
IOUtils.copy(temp, os);
os.closeArchiveEntry();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
if (os != null) {
try {
os.flush();
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return target;
}
/**
*
* @Title: compress
* @Description: 将文件用gzip压缩
* @param source
* 需要压缩的文件
* @return File 返回压缩后的文件
* @throws
*/
public static File compress(File source) {
File target = new File(source.getPath() + ".gz");
FileInputStream in = null;
GZIPOutputStream out = null;
try {
in = new FileInputStream(source);
out = new GZIPOutputStream(new FileOutputStream(target));
byte[] array = new byte[1024];
int number = -1;
while ((number = in.read(array, 0, array.length)) != -1) {
out.write(array, 0, number);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} catch (IOException e) {
e.printStackTrace();
return null;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
if (out != null) {
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
}
return target;
}
}
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.net.URLEncoder;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
/**
* TAR工具
*
* @author <a href="mailto:zlex.dongliang@gmail.com">梁栋</a>
* @since 1.0
*/
public abstract 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 = "/";
private static final int BUFFER = 1024;
private static final String EXT = ".tar";
/**
* 归档
*
* @param srcPath
* @param destPath
* @throws Exception
*/
public static void archive(String srcPath, String destPath) throws Exception {
File srcFile = new File(srcPath);
archive(srcFile, destPath);
}
/**
* 归档
*
* @param srcFile
* 源路径
* @param destPath
* 目标路径
* @throws Exception
*/
public static void archive(File srcFile, File destFile) throws Exception {
TarArchiveOutputStream taos = new TarArchiveOutputStream(new FileOutputStream(destFile));
archive(srcFile, taos, BASE_DIR);
taos.flush();
taos.close();
}
/**
* 归档
*
* @param srcFile
* @throws Exception
*/
public static void archive(File srcFile) throws Exception {
String name = srcFile.getName();
String basePath = srcFile.getParent();
String destPath = basePath + name + EXT;
archive(srcFile, destPath);
}
/**
* 归档文件
*
* @param srcFile
* @param destPath
* @throws Exception
*/
public static void archive(File srcFile, String destPath) throws Exception {
archive(srcFile, new File(destPath));
}
/**
* 归档
*
* @param srcPath
* @throws Exception
*/
public static void archive(String srcPath) throws Exception {
File srcFile = new File(srcPath);
archive(srcFile);
}
/**
* 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) {
System.out.println(basePath + dir.getName() + PATH);
String dirPath = basePath + dir.getName() + PATH;
System.out.println(dirPath);
TarArchiveEntry entry = new TarArchiveEntry(dirPath);
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 data
* 待归档数据
* @param path
* 归档数据的当前路径
* @param name
* 归档文件名
* @param taos
* TarArchiveOutputStream
* @throws Exception
*/
private static void archiveFile(File file, TarArchiveOutputStream taos, String dir) throws Exception {
/**
* 归档内文件名定义
*
* <pre>
*
* 如果有多级目录,那么这里就需要给出包含目录的文件名
* 如果用WinRAR打开归档包,中文名将显示为乱码
* </pre>
*/
TarArchiveEntry entry = new TarArchiveEntry(dir + file.getName());
entry.setSize(file.length());
taos.putArchiveEntry(entry);
BufferedInputStream 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);
}
bis.close();
taos.closeArchiveEntry();
}
/**
* 解归档
*
* @param srcFile
* @throws Exception
*/
public static void dearchive(File srcFile) throws Exception {
String basePath = srcFile.getParent();
dearchive(srcFile, basePath);
}
/**
* 解归档
*
* @param srcFile
* @param destFile
* @throws Exception
*/
public static void dearchive(File srcFile, File destFile) throws Exception {
TarArchiveInputStream tais = new TarArchiveInputStream(new FileInputStream(srcFile));
dearchive(destFile, tais);
tais.close();
}
/**
* 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
*
* @throws Exception
*/
public static void dearchive(String srcPath) throws Exception {
File srcFile = new File(srcPath);
dearchive(srcFile);
}
/**
* 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 dearchive(String srcPath, String destPath) throws Exception {
File srcFile = new File(srcPath);
dearchive(srcFile, destPath);
}
/**
* 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
*
* <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();
}
}
}