package com.huaat.ccms.common.utils;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.CRC32;
import java.util.zip.CheckedOutputStream;
import org.apache.commons.lang.StringUtils;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Zip文件工具类
*
*/
public class ZipUtils {
static final int BUFFER = 8192;
private static final String DEFAULT_FILE_ENCODING = "UTF-8";
private static Logger logger = LoggerFactory.getLogger(ZipUtils.class);
private static String fileEncoding = System.getProperty("sun.jnu.encoding");
public static void compress(File zipFile, File srcFile) {
try {
FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
ZipOutputStream out = new ZipOutputStream(cos);
out.setEncoding(ZipUtils.fileEncoding);
String basedir = "";
compress(srcFile, out, basedir);
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private static void compress(File file, ZipOutputStream out, String basedir) {
/* 判断是目录还是文件 */
if (file.isDirectory()) {
compressDirectory(file, out, basedir);
} else {
compressFile(file, out, basedir);
}
}
/** 压缩一个目录 ,不带外层文件夹 */
public static void compressDirectoryNoBaseDir(File dir, File basedir) {
try {
FileOutputStream fileOutputStream = new FileOutputStream(dir);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
ZipOutputStream out = new ZipOutputStream(cos);
out.setEncoding(ZipUtils.fileEncoding);
if (!basedir.exists())
return;
File[] files = basedir.listFiles();
for (int i = 0; i < files.length; i++) {
/* 递归 */
compress(files[i], out, "");
}
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/** 压缩一个目录 */
private static void compressDirectory(File dir, ZipOutputStream out,
String basedir) {
if (!dir.exists())
return;
File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
/* 递归 */
compress(files[i], out, basedir + dir.getName() + File.separator);
}
}
/** 压缩一个文件 */
private static void compressFile(File file, ZipOutputStream out,
String basedir) {
if (!file.exists()) {
return;
}
try {
BufferedInputStream bis = new BufferedInputStream(
new FileInputStream(file));
ZipEntry entry = new ZipEntry(basedir + file.getName());
out.putNextEntry(entry);
int count;
byte data[] = new byte[BUFFER];
while ((count = bis.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
bis.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@SuppressWarnings("unchecked")
public static void unZip(File inFile, String desDir) throws IOException {
int i = inFile.getName().lastIndexOf('.');
File newdir = new File(desDir);
boolean bool = newdir.mkdirs();
logMkDir(bool);
byte[] c = new byte[1024];
int slen;
ZipFile zf = new ZipFile(inFile,ZipUtils.fileEncoding);
Enumeration enu = zf.getEntries();
while (enu.hasMoreElements()) {
ZipEntry file = (ZipEntry) enu.nextElement();
i = file.getName().replace('/', '\\').lastIndexOf('\\');
if (i != -1) {
File dirs = new File(desDir + File.separator
+ file.getName().replace('/', '\\').substring(0, i));
dirs.mkdirs();
dirs = null;
}
if (!file.isDirectory()) {
InputStream fi = zf.getInputStream(file);
if (fi != null) {
FileOutputStream out = new FileOutputStream(desDir
+ File.separator + file.getName());
while ((slen = fi.read(c, 0, c.length)) != -1) {
out.write(c, 0, slen);
}
out.close();
fi.close();
}
}
}
zf.close();
}
private static void logMkDir(boolean bool) {
if(bool==false){
logger.error("建立解压文件夹失败");
}
}
@SuppressWarnings("unchecked")
public static void unZipForUtf8(File inFile, String desDir, String suffix)
throws IOException {
String[] suffixs = suffix.split(",");
List sufList = Arrays.asList(suffixs);
int i = inFile.getName().lastIndexOf('.');
File newdir = new File(desDir);
boolean bool = newdir.mkdirs();
logMkDir(bool);
byte[] c = new byte[1024];
int slen;
ZipFile zf = new ZipFile(inFile,ZipUtils.fileEncoding);
Enumeration enu = zf.getEntries();
while (enu.hasMoreElements()) {
ZipEntry file = (ZipEntry) enu.nextElement();
i = file.getName().replace('/', '\\').lastIndexOf('\\');
if (i != -1) {
File dirs = new File(desDir + File.separator
+ file.getName().replace('/', '\\').substring(0, i));
dirs.mkdirs();
dirs = null;
}
if (!file.isDirectory()) {
String fileName = file.getName();
String[] fileNames = fileName.split("\\.");
String fileSuffix = fileNames[fileNames.length - 1]
.toLowerCase();
InputStream fi = zf.getInputStream(file);
if (sufList.contains(fileSuffix)) {
String temp;
// StringBuffer fileStr = new StringBuffer();
// 转编码
if (fi != null) {
String encoding = new ConvertEncoding()
.getFileCharacter(fi);
fi = zf.getInputStream(file);
BufferedReader br = new BufferedReader(
new InputStreamReader(
fi,
StringUtils.isEmpty(encoding) ? DEFAULT_FILE_ENCODING
: encoding));
BufferedWriter bw = new BufferedWriter(
new OutputStreamWriter(new FileOutputStream(
desDir + File.separator
+ file.getName()), "UTF-8"));
while ((temp = br.readLine()) != null) {
bw.write(temp);
}
if (br != null) {
bw.close();
br.close();
}
}
} else {
if (fi != null) {
FileOutputStream out = new FileOutputStream(desDir
+ File.separator + file.getName());
while ((slen = fi.read(c, 0, c.length)) != -1) {
out.write(c, 0, slen);
}
out.close();
fi.close();
}
}
}
}
zf.close();
}
public static void zip(File inDir, File desFile) throws IOException {
byte[] buf = new byte[1024];
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(desFile));
List<String> list = new ArrayList<String>();
list(list, inDir.getAbsolutePath());
for (String element : list) {
File file = new File(element);
if (file.isFile()) {
FileInputStream in = new FileInputStream(file);
String path = file.getAbsolutePath();
int index = path.indexOf(inDir.getName())
+ inDir.getName().length() + 1;
if (index > path.length() - 1)
index = path.length() - 1;
path = path.substring(index, path.length());
out.putNextEntry(new ZipEntry(path));
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
out.closeEntry();
in.close();
}
}
out.close();
}
public static void zip(File inDir, OutputStream os) throws IOException {
byte[] buf = new byte[1024];
ZipOutputStream out = new ZipOutputStream(os);
List<String> list = new ArrayList<String>();
list(list, inDir.getAbsolutePath());
for (String element : list) {
File file = new File(element);
if (file.isFile()) {
FileInputStream in = new FileInputStream(file);
String path = file.getAbsolutePath();
int index = path.indexOf(inDir.getName())
+ inDir.getName().length() + 1;
path = path.substring(index, path.length());
out.putNextEntry(new ZipEntry(path));
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
out.closeEntry();
in.close();
}
}
out.close();
}
public static void list(List<String> lst, String path) {
File f = new File(path);
if (f.isDirectory()) {
lst.add(f.getAbsolutePath() + File.separator);
String dirs[] = f.list();
for (int i = 0; dirs != null && i < dirs.length; i++) {
list(lst, f.getAbsolutePath() + File.separator + dirs[i]);
}
}
if (f.isFile()) {
lst.add(f.getAbsolutePath());
}
}
}
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