package com.talent.allshare.util;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
public class IOHelper {
public static void DownloadTheFile(final String strPath) {
try {
Runnable r = new Runnable() {
public void run() {
try {
URL myURL = new URL(strPath);
URLConnection conn = myURL.openConnection();
conn.connect();
InputStream is = conn.getInputStream();
if (is == null) {
throw new RuntimeException("stream is null");
}
String fileEx = strPath.substring(
strPath.lastIndexOf("."), strPath.length())
.toLowerCase();
String fileNa = strPath
.substring(strPath.lastIndexOf("/") + 1,
strPath.lastIndexOf("."));
File myTempFile = File.createTempFile(fileNa, fileEx);
FileOutputStream fos = new FileOutputStream(myTempFile);
byte buf[] = new byte[128];
do {
int numread = is.read(buf);
if (numread <= 0) {
break;
}
fos.write(buf, 0, numread);
} while (true);
} catch (Exception e) {
}
}
};
new Thread(r).start();
} catch (Exception e) {
}
}
public static void openFile(Context context, File file) {
try{
File myFile = file;
Intent intent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
// String type = getMIMEType(myFile.getName());
String type = getMIMEType(myFile);
intent.setDataAndType(Uri.fromFile(myFile), type);
context.startActivity(intent);
}
catch(Exception e)
{
System.out.print("e=" + e);
}
}
//str ��ʽ�磺aa=cc&bb=dd, key ָ����aa��bb
public static String getData(String str,String key){
if(str.length()==0)return "";
String val="";
if(str.contains(key)){
String[] keyVals=str.split("&");
for(int i=0;i<keyVals.length;i++){
String[] keyVal=keyVals[i].split("=");
if(keyVal[0].equals(key)){
val= keyVal[1];}
}
}
return val;
}
public static void delFile(String fileName) {
File myFile = new File(fileName);
if (myFile.exists()) {
myFile.delete();
}
}
public static String getMIMEType(String fileName) {
File myFile = new File(fileName);
String type = "";
String fName = myFile.getName();
String end = fName
.substring(fName.lastIndexOf(".") + 1, fName.length())
.toLowerCase();
if (end.equals("m4a") || end.equals("mp3") || end.equals("mid")
|| end.equals("xmf") || end.equals("ogg") || end.equals("wav")) {
type = "audio";
} else if (end.equals("3gp") || end.equals("mp4")) {
type = "video";
} else if (end.equals("jpg") || end.equals("gif") || end.equals("png")
|| end.equals("jpeg") || end.equals("bmp")) {
type = "image";
} else if (end.equals("apk")) {
type = "application/vnd.android.package-archive";
} else if(end.equals("xls")||end.equals("xlsx")){
type = "application/vnd.ms-excel";
}else if(end.equals("doc") || end.equals("docx") ){
type = "application/msword";
}else if(end.equals("txt")){
type = "text/plain";
}else if(end.equals("pdf")){
type = "application/pdf";
}
else {
type = "*";
}
if (end.equals("apk")) {
} else {
type += "/*";
}
return type;
}
/**
* 根据文件后缀名获得对应的MIME类型。
* @param file
*/
private static String getMIMEType(File file)
{
String type="*/*";
String fName=file.getName();
//获取后缀名前的分隔符"."在fName中的位置。
int dotIndex = fName.lastIndexOf(".");
if(dotIndex < 0){
return type;
}
/* 获取文件的后缀名 */
String end=fName.substring(dotIndex,fName.length()).toLowerCase();
if(end=="")return type;
//在MIME和文件类型的匹配表中找到对应的MIME类型。
for(int i=0;i<MIME_MapTable.length;i++){
if(end.equals(MIME_MapTable[i][0]))
type = MIME_MapTable[i][1];
}
return type;
}
private final static String[][] MIME_MapTable={
//{后缀名， MIME类型}
{".3gp", "video/3gpp"},
{".apk", "application/vnd.android.package-archive"},
{".asf", "video/x-ms-asf"},
{".avi", "video/x-msvideo"},
{".bin", "application/octet-stream"},
{".bmp", "image/bmp"},
{".c", "text/plain"},
{".class", "application/octet-stream"},
{".conf", "text/plain"},
{".cpp", "text/plain"},
{".doc", "application/msword"},
{".exe", "application/octet-stream"},
{".gif", "image/gif"},
{".gtar", "application/x-gtar"},
{".gz", "application/x-gzip"},
{".h", "text/plain"},
{".htm", "text/html"},
{".html", "text/html"},
{".jar", "application/java-archive"},
{".java", "text/plain"},
{".jpeg", "image/jpeg"},
{".jpg", "image/jpeg"},
{".js", "application/x-javascript"},
{".log", "text/plain"},
{".m3u", "audio/x-mpegurl"},
{".m4a", "audio/mp4a-latm"},
{".m4b", "audio/mp4a-latm"},
{".m4p", "audio/mp4a-latm"},
{".m4u", "video/vnd.mpegurl"},
{".m4v", "video/x-m4v"},
{".mov", "video/quicktime"},
{".mp2", "audio/x-mpeg"},
{".mp3", "audio/x-mpeg"},
{".mp4", "video/mp4"},
{".mpc", "application/vnd.mpohun.certificate"},
{".mpe", "video/mpeg"},
{".mpeg", "video/mpeg"},
{".mpg", "video/mpeg"},
{".mpg4", "video/mp4"},
{".mpga", "audio/mpeg"},
{".msg", "application/vnd.ms-outlook"},
{".ogg", "audio/ogg"},
{".pdf", "application/pdf"},
{".png", "image/png"},
{".pps", "application/vnd.ms-powerpoint"},
{".ppt", "application/vnd.ms-powerpoint"},
{".prop", "text/plain"},
{".rar", "application/x-rar-compressed"},
{".rc", "text/plain"},
{".rmvb", "audio/x-pn-realaudio"},
{".rtf", "application/rtf"},
{".sh", "text/plain"},
{".tar", "application/x-tar"},
{".tgz", "application/x-compressed"},
{".txt", "text/plain"},
{".wav", "audio/x-wav"},
{".wma", "audio/x-ms-wma"},
{".wmv", "audio/x-ms-wmv"},
{".wps", "application/vnd.ms-works"},
//{".xml", "text/xml"},
{".xml", "text/plain"},
{".z", "application/x-compress"},
{".zip", "application/zip"},
{".xls", "application/vnd.ms-excel"},
{".xlsx", "application/vnd.ms-excel"},
{".doc", "application/msword"},
{".docx", "application/msword"},
{"", "*/*"}
};
}