package com.yuyh.library.utils;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;
/**
* @author yuyh.
* @date 16/4/11.
*/
public class ZipUtils {
private static final int BUFF_SIZE = 1024 * 1024; // 1M Byte
private static boolean stopZipFlag; // 是否停止压缩
/**
* 压缩进度监听
*/
public interface ZipListener {
void zipProgress(int zipProgress);
}
public static boolean isStopZipFlag() {
return stopZipFlag;
}
public static void setStopZipFlag(boolean stopZipFlag) {
ZipUtils.stopZipFlag = stopZipFlag;
}
/**
* 批量压缩文件(夹)
*
* @param resFileList 要压缩的文件(夹)列表
* @param zipFile 生成的压缩文件
* @param zipListener zipListener
*/
public static void zipFiles(Collection<File> resFileList, File zipFile, ZipListener zipListener) {
ZipOutputStream zipout = null;
try {
zipout = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(
zipFile), BUFF_SIZE));
for (File resFile : resFileList) {
if (stopZipFlag) {
break;
}
zipFile(resFile, zipout, "", zipListener);
}
zipout.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 批量压缩文件(夹)
*
* @param resFileList 要压缩的文件(夹)列表
* @param zipFile 生成的压缩文件
* @param comment 压缩文件的注释
* @param zipListener zipListener
*/
public static void zipFiles(Collection<File> resFileList, File zipFile, String comment, ZipListener zipListener) {
ZipOutputStream zipout = null;
try {
zipout = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipFile), BUFF_SIZE));
for (File resFile : resFileList) {
zipFile(resFile, zipout, "", zipListener);
}
zipout.setComment(comment);
zipout.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 解压缩一个文件
*
* @param zipFile 压缩文件
* @param folderPath 解压缩的目标目录
*/
public static void upZipFile(File zipFile, String folderPath) {
File desDir = new File(folderPath);
if (!desDir.exists()) {
desDir.mkdirs();
}
ZipFile zf = null;
try {
zf = new ZipFile(zipFile);
for (Enumeration<?> entries = zf.entries(); entries.hasMoreElements(); ) {
ZipEntry entry = ((ZipEntry) entries.nextElement());
InputStream in = zf.getInputStream(entry);
String str = folderPath + File.separator + entry.getName();
str = new String(str.getBytes("8859_1"), "GB2312");
File desFile = new File(str);
if (!desFile.exists()) {
File fileParentDir = desFile.getParentFile();
if (!fileParentDir.exists()) {
fileParentDir.mkdirs();
}
desFile.createNewFile();
}
OutputStream out = new FileOutputStream(desFile);
byte buffer[] = new byte[BUFF_SIZE];
int realLength;
while ((realLength = in.read(buffer)) > 0) {
out.write(buffer, 0, realLength);
}
in.close();
out.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 解压文件名包含传入文字的文件
*
* @param zipFile 压缩文件
* @param folderPath 目标文件夹
* @param nameContains 传入的文件匹配名
* @return 返回的集合
*/
public static ArrayList<File> upZipSelectedFile(File zipFile, String folderPath, String nameContains) {
ArrayList<File> fileList = new ArrayList<File>();
File desDir = new File(folderPath);
if (!desDir.exists()) {
desDir.mkdir();
}
ZipFile zf = null;
try {
zf = new ZipFile(zipFile);
for (Enumeration<?> entries = zf.entries(); entries.hasMoreElements(); ) {
ZipEntry entry = ((ZipEntry) entries.nextElement());
if (entry.getName().contains(nameContains)) {
InputStream in = zf.getInputStream(entry);
String str = folderPath + File.separator + entry.getName();
str = new String(str.getBytes("8859_1"), "GB2312");
// str.getBytes("GB2312"),"8859_1" 输出
// str.getBytes("8859_1"),"GB2312" 输入
File desFile = new File(str);
if (!desFile.exists()) {
File fileParentDir = desFile.getParentFile();
if (!fileParentDir.exists()) {
fileParentDir.mkdirs();
}
desFile.createNewFile();
}
OutputStream out = new FileOutputStream(desFile);
byte buffer[] = new byte[BUFF_SIZE];
int realLength;
while ((realLength = in.read(buffer)) > 0) {
out.write(buffer, 0, realLength);
}
in.close();
out.close();
fileList.add(desFile);
}
}
return fileList;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 获得压缩文件内文件列表
*
* @param zipFile 压缩文件
* @return 压缩文件内文件名称
*/
public static ArrayList<String> getEntriesNames(File zipFile) {
ArrayList<String> entryNames = new ArrayList<String>();
Enumeration<?> entries = null;
try {
entries = getEntriesEnumeration(zipFile);
while (entries.hasMoreElements()) {
ZipEntry entry = ((ZipEntry) entries.nextElement());
entryNames.add(new String(getEntryName(entry).getBytes("GB2312"), "8859_1"));
}
return entryNames;
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 获得压缩文件内压缩文件对象以取得其属性
*
* @param zipFile 压缩文件
* @return 返回一个压缩文件列表
*/
public static Enumeration<?> getEntriesEnumeration(File zipFile) {
ZipFile zf = null;
try {
zf = new ZipFile(zipFile);
} catch (IOException e) {
e.printStackTrace();
}
return zf.entries();
}
/**
* 取得压缩文件对象的注释
*
* @param entry 压缩文件对象
* @return 压缩文件对象的注释
*/
public static String getEntryComment(ZipEntry entry) {
try {
return new String(entry.getComment().getBytes("GB2312"), "8859_1");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return null;
}
/**
* 取得压缩文件对象的名称
*
* @param entry 压缩文件对象
* @return 压缩文件对象的名称
*/
public static String getEntryName(ZipEntry entry) {
try {
return new String(entry.getName().getBytes("GB2312"), "8859_1");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return null;
}
/**
* 压缩文件
*
* @param resFile 需要压缩的文件(夹)
* @param zipout 压缩的目的文件
* @param rootpath 压缩的文件路径
*/
private static void zipFile(File resFile, ZipOutputStream zipout, String rootpath, ZipListener zipListener) {
try {
rootpath = rootpath + (rootpath.trim().length() == 0 ? "" : File.separator)
+ resFile.getName();
rootpath = new String(rootpath.getBytes("8859_1"), "GB2312");
if (resFile.isDirectory()) {
File[] fileList = resFile.listFiles();
int length = fileList.length;
// Log.e("zipprogress", (int)((1 / (float) (length+1))*100)+"%");
zipListener.zipProgress((int) ((1 / (float) (length + 1)) * 100));
for (int i = 0; i < length; i++) {
if (stopZipFlag) {
break;
}
File file = fileList[i];
zipFile(file, zipout, rootpath, zipListener);
// Log.e("zipprogress", (int)(((i+2) / (float) (length+1))*100)+"%");
zipListener.zipProgress((int) (((i + 2) / (float) (length + 1)) * 100));
}
} else {
byte buffer[] = new byte[BUFF_SIZE];
BufferedInputStream in = new BufferedInputStream(new FileInputStream(resFile),
BUFF_SIZE);
zipout.putNextEntry(new ZipEntry(rootpath));
int realLength;
while ((realLength = in.read(buffer)) != -1) {
if (stopZipFlag) {
break;
}
zipout.write(buffer, 0, realLength);
}
in.close();
zipout.flush();
zipout.closeEntry();
}
} catch (Exception e) {
}
}
}