package?com.sjfl.main;

import?java.io.BufferedReader;
import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileNotFoundException;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.InputStreamReader;
import?java.net.URL;

/**
?*?
?*??Copyright?（C）?<2009>??
?*
?*???This?program?is?free?software:?you?can?redistribute?it?and/or?modify
?*??it?under?the?terms?of?the?GNU?General?Public?License?as?published?by
?*??the?Free?Software?Foundation?either?version?3?of?the?License?or
?*?（at?your?option）?any?later?version.
?*
?*??This?program?is?distributed?in?the?hope?that?it?will?be?useful
?*???but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
?*?GNU?General?Public?License?for?more?details.
?*?
?*?EncodingDetect.java

?*?自動獲取文件的編碼
?*?使用示例

String?filePath=“D:/test.txt“;????
//獲得文件編碼??
String?fileEncode=EncodingDetect.getJavaEncode（filePath）;????
//根據文件編碼獲得文件內容??
String?fileContent=FileUtils.readFileToString（new?File（filePath）fileEncode）??
?*?@author?Billows.Van
?*?@since?Create?on?2010-01-27?11:19:00???
?*?@version?1.0?
*/
public?class?EncodingDetect?{
	public?static?void?main（String[]?args）?{
		String?file?=?“E:/PWCP_ANM_ARQC_S99_EAIR_ANM_L88_P9_20100126150002424.xml“;
		String?encode=getJavaEncode（file）;
		System.out.println（encode）;
		readFile（fileencode）;
	}
	
	/**
	?*?得到文件的編碼
	?*?@param?filePath?文件路徑
	?*?@return?文件的編碼
	?*/
	public?static?String?getJavaEncode（String?filePath）{
		BytesEncodingDetect?s?=?new?BytesEncodingDetect（）;?
		String?fileCode?=?BytesEncodingDetect.javaname[s.detectEncoding（new?File（filePath））];
		return?fileCode;
	}
	
	public?static?void?readFile（String?file?String?code）?{

		BufferedReader?fr;
		try?{
			String?myCode?=?code!=null&&!““.equals（code）???code?:?“UTF8“;
			InputStreamReader?read?=?new?InputStreamReader（new?FileInputStream（
					file）?myCode）;

			fr?=?new?BufferedReader（read）;
			String?line?=?null;
			int?flag=1;
			//?讀取每一行，如果結束了，line會為空
			while?（（line?=?fr.readLine（））?!=?null?&&?line.trim（）.length（）?>?0）?{
				if（flag==1）?{
				????line=line.substring（1）;//去掉文件頭
				????flag++;
			????}
				//?每一行創建一個Student對象，并存入數組中
				System.out.println（line）;
			}
			fr.close（）;
			
		}?catch?（FileNotFoundException?e）?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace（）;
		}?catch?（IOException?e）?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace（）;
		}

	}
}

class?BytesEncodingDetect?extends?Encoding?{
	??//?Frequency?tables?to?hold?the?GB?Big5?and?EUC-TW?character
	??//?frequencies
	??int?GBFreq[][];

	??int?GBKFreq[][];

	??int?Big5Freq[][];

	??int?Big5PFreq[][];

	??int?EUC_TWFreq[][];

	??int?KRFreq[][];

	??int?JPFreq[][];

	??//?int?UnicodeFreq[94][128];
	??//?public?static?String[]?nicename;
	??//?public?static?Strin