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以下tar打包：参考了网上的资料，非真正原创
/**
* tar 打包
* @param source 源文件
* @param dest 目标文件
*/
public static void tar(File source,File dest){
logger.info("开始对源文件["+source.getName()+"]打成tar包");
FileOutputStream out = null;
TarArchiveOutputStream tarOut = null;
try{
out = new FileOutputStream(dest);
tarOut = new TarArchiveOutputStream(out);
//解决文件名过长
tarOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
tarPack(source, tarOut,"");
tarOut.flush();
tarOut.close();
logger.info("成功把源文件打为tar包,名称为:["+dest.getName()+"]");
}catch (Exception e) {
logger.error(e.getMessage(),e);
}finally{
try{
if(out != null){
out.close();
}
}catch (Exception e) {
logger.error(e.getMessage(),e);
}
try{
if(tarOut != null){
tarOut.close();
}
}catch (Exception e) {
logger.error(e.getMessage(),e);
}
}
}
/**
* 归档
* @param source 源文件或者目录
* @param tarOut 归档流
* @param parentPath 归档后的目录或者文件路径
*/
public static void tarPack(File source,TarArchiveOutputStream tarOut,String parentPath){
if(source.isDirectory()){
tarDir(source,tarOut,parentPath);
}else if(source.isFile()){
tarFile(source,tarOut,parentPath);
}
}
/**
* 归档文件(非目录)
* @param source 源文件
* @param tarOut 归档流
* @param parentPath 归档后的路径
*/
public static void tarFile(File source,TarArchiveOutputStream tarOut,String parentPath){
TarArchiveEntry entry = new TarArchiveEntry(parentPath + source.getName());
BufferedInputStream bis = null;
FileInputStream fis = null;
try {
entry.setSize(source.length());
tarOut.putArchiveEntry(entry);
fis = new FileInputStream(source);
bis = new BufferedInputStream(fis);
int count = -1;
byte []buffer = new byte[1024];
while((count = bis.read(buffer, 0, 1024)) != -1){
tarOut.write(buffer, 0, count);
}
bis.close();
tarOut.closeArchiveEntry();
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
if(bis != null){
bis.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
try {
if(fis != null){
fis.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
}
/**
* 归档目录
* @param sourceDir 原目录
* @param tarOut 归档流
* @param parentPath 归档后的父目录
*/
public static void tarDir(File sourceDir,TarArchiveOutputStream tarOut,String parentPath){
//归档空目录
if(sourceDir.listFiles().length < 1){
TarArchiveEntry entry = new TarArchiveEntry(parentPath + sourceDir.getName() + "\\");
try {
tarOut.putArchiveEntry(entry);
tarOut.closeArchiveEntry();
} catch (IOException e) {
e.printStackTrace();
}
}
//递归 归档
for (File file : sourceDir.listFiles()) {
tarPack(file, tarOut,parentPath + sourceDir.getName() + "\\");
}
}
以下为gzip压缩原代码
/**
* gzip 压缩，跟源文件在相同目录中生成.gz文件
* @param source 源文件
*/
public static void gzip(File source){
logger.info("开始对源文件["+source.getName()+"]压缩成.gz包");
String sourcePath = source.getAbsolutePath();
int lastIndexOf = sourcePath.lastIndexOf("\\");
String dir = sourcePath.substring(0, lastIndexOf);
File target = new File(dir + "\\" +source.getName() + ".gz");
FileInputStream fis = null;
FileOutputStream fos = null;
GZIPOutputStream gzipOS = null;
try{
fis = new FileInputStream(source);
fos = new FileOutputStream(target);
gzipOS = new GZIPOutputStream(fos);
int count = -1;
byte [] buffer = new byte[1024];
while((count = fis.read(buffer, 0, buffer.length)) != -1){
gzipOS.write(buffer, 0, count);
}
gzipOS.flush();
gzipOS.close();
logger.info("成功把源文件["+source.getName()+"]压缩为.gz包["+target.getName()+"]");
}catch (Exception e) {
e.printStackTrace();
}finally{
try{
if(fis!=null){
fis.close();
}
}catch (Exception e) {
e.printStackTrace();
}
try{
if(fos!=null){
fos.close();
}
}catch (Exception e) {
e.printStackTrace();
}
try{
if(gzipOS!=null){
gzipOS.close();
}
}catch (Exception e) {
e.printStackTrace();
}
}
}
Tar的非递归算法：
/**
* tar 打包(非递归)
*
* @param source 源文件
* @param dest 目标文件
*/
public static void tarNonRecursion(File source) {
logger.info("开始对源文件[" + source.getName() + "]打成tar包");
FileOutputStream out = null;
TarArchiveOutputStream tarOut = null;
String parentPath = source.getParent();
File dest = new File(parentPath + "/" + source.getName() + ".tar");
try {
out = new FileOutputStream(dest);
tarOut = new TarArchiveOutputStream(out, "GBK");
//解决文件名过长
tarOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
Stack fileStack = new Stack();
fileStack.push(source);
File curFile;
File preFile = null;
while (!fileStack.empty()) {
curFile = fileStack.peek();
File[] fileLists = curFile.listFiles();
if (curFile.isFile()
|| (preFile != null && (preFile.getParent().equals(curFile.getAbsolutePath())))
|| (fileLists.length == 0)) {
File popFile = fileStack.pop();
String filePath = popFile.getAbsolutePath();
filePath = filePath.replaceAll("[\\\\]", "/");
filePath = filePath.substring(parentPath.length() + 1);
preFile = curFile;
if (popFile.isFile()) {
filePath = filePath.substring(0, filePath.lastIndexOf("/"));
tarFile(popFile, tarOut, filePath + "/");
} else {
TarArchiveEntry entry = new TarArchiveEntry(filePath + "/");
try {
tarOut.putArchiveEntry(entry);
tarOut.closeArchiveEntry();
} catch (IOException e) {
logger.error(e.getMessage(), e);
}
}
} else {
for (File file : fileLists) {
fileStack.push(file);
}
}
}
tarOut.flush();
tarOut.close();
logger.info("成功把源文件打为tar包,名称为:[" + dest.getName() + "]");
} catch (Exception e) {
logger.error(e.getMessage(), e);
} finally {
try {
if (out != null) {
out.close();
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
try {
if (tarOut != null) {
tarOut.close();
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
}
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