package com.sasgas.ldws.util;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class JZip {
public static int iCompressLevel;// 壓縮比 取值範圍為0~9
public static boolean bOverWrite;// 是否覆蓋同名檔案 取值範圍為True和False
private static List
public static String sErrorMessage;
private String zipFilePath;
public List
public JZip() {
iCompressLevel = 9;
}
public JZip(String zipFilePath) throws FileNotFoundException, IOException {
this.zipFilePath = zipFilePath;
}
@SuppressWarnings("unchecked")
public static ArrayList extract(String sZipPathFile, String sDestPath) {
ArrayList AllFileName = new ArrayList();
try {
// 先指定壓縮檔的位置和檔名,建立FileInputStream物件
FileInputStream fins = new FileInputStream(sZipPathFile);
// 將fins傳入ZipInputStream中
ZipInputStream zins = new ZipInputStream(fins);
ZipEntry ze = null;
byte ch[] = new byte[256];
while ((ze = zins.getNextEntry()) != null) {
File zfile = new File(sDestPath + ze.getName());
File fpath = new File(zfile.getParentFile().getPath());
if (ze.isDirectory()) {
if (!zfile.exists())
zfile.mkdirs();
zins.closeEntry();
} else {
if (!fpath.exists())
fpath.mkdirs();
FileOutputStream fouts = new FileOutputStream(zfile);
int i;
AllFileName.add(zfile.getAbsolutePath());
while ((i = zins.read(ch)) != -1)
fouts.write(ch, 0, i);
zins.closeEntry();
fouts.close();
}
}
fins.close();
zins.close();
sErrorMessage = "OK";
} catch (Exception e) {
System.err.println("Extract error:" + e.getMessage());
sErrorMessage = e.getMessage();
}
AllFileName.clear();
return AllFileName;
}
@SuppressWarnings( { "unchecked", "static-access" })
public static void compress(String sPathFile, boolean bIsPath,
String sZipPathFile) {
BufferedReader in = null;
FileOutputStream fos = null;
org.apache.tools.zip.ZipOutputStream zos = null;
org.apache.tools.zip.ZipEntry entry = null;
File file = null;
String sPath = "";
if (filelist != null) {
filelist.clear();
}
if (bIsPath == true) {
searchFiles(sPathFile);
sPath = sPathFile;
} else {
File myfile = new File(sPathFile);
sPath = sPathFile.substring(0, sPathFile
.lastIndexOf(myfile.separator) + 1);
filelist.add(myfile.getPath());
}
try {
fos = new FileOutputStream(sZipPathFile);
file = new File(sZipPathFile);
zos = new org.apache.tools.zip.ZipOutputStream(fos);
int len = 0;
for (String fileFullName : filelist) {
in = new BufferedReader(new InputStreamReader(
new FileInputStream(fileFullName), "iso-8859-1"));
// 壓縮到zip檔案中
entry = new org.apache.tools.zip.ZipEntry(fileFullName
.substring((sPath).length()));
zos.putNextEntry(entry);
while ((len = in.read()) != -1) {
zos.write(len);
}
zos.closeEntry();
in.close();
}
} catch (IOException e) {
e.printStackTrace();
if (file.exists()) {
file.delete();
}
} finally {
if (null != zos) {
try {
zos.close();
} catch (IOException e) {
e.printStackTrace();
}
zos = null;
}
if (null != fos) {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
fos = null;
}
}
}
/*
* 這是一個遞迴過程，功能是檢索出所有的檔名稱 dirstr:目錄名稱
*/
@SuppressWarnings("unchecked")
private static void searchFiles(String dirstr) {
File tempdir = new File(dirstr);
if (tempdir.exists()) {
if (tempdir.isDirectory()) {
File[] tempfiles = tempdir.listFiles();
for (int i = 0; i < tempfiles.length; i++) {
if (tempfiles[i].isDirectory())
searchFiles(tempfiles[i].getPath());
else {
filelist.add(tempfiles[i].getPath());
}
}
} else {
filelist.add(tempdir.getPath());
}
}
}
public String getZipFilePath() {
return zipFilePath;
}
public void setZipFilePath(String zipFilePath) {
this.zipFilePath = zipFilePath;
}
/**
* 解析zip檔案得到檔名
*
* @return
* @throws FileNotFoundException
* @throws IOException
*/
public boolean parserZip() throws FileNotFoundException, IOException {
FileInputStream fis = new FileInputStream(zipFilePath);
ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));
ZipEntry entry;
try {
srcMap = new ArrayList
while ((entry = zis.getNextEntry()) != null) {
File file = new File(zipFilePath + File.separator
+ entry.getName());
srcMap.add(file);
}
zis.close();
fis.close();
return true;
} catch (IOException e) {
return false;
}
}
/**
*
* @param zipFileName
* 待解壓縮的ZIP檔案
* @param extPlace
* 解壓後的資料夾
*/
public static void extZipFileList(String zipFileName, String extPlace) {
try {
ZipInputStream in = new ZipInputStream(new FileInputStream(
zipFileName));
File files = new File(extPlace);
files.mkdirs();
ZipEntry entry = null;
while ((entry = in.getNextEntry()) != null) {
String entryName = entry.getName();
if (entry.isDirectory()) {
File file = new File(files + "/" + entryName);
file.mkdirs();
System.out.println("建立資料夾:" + entryName);
} else {
OutputStream os = new FileOutputStream(files
+ File.separator + entryName);
// Transfer bytes from the ZIP file to the output file
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
os.write(buf, 0, len);
}
os.close();
in.closeEntry();
System.out.println("解壓檔案:" + entryName);
}
}
} catch (IOException e) {
}
}
public static void main(String args[]) {
System.out.println("start..");
JZip.compress("c:/su", true, "c:/su.zip");
System.out.println("end..");
}
}