www.pudn.com > charsettools_1.0.2.zip > GB2BIG5.java

/* 
Program  GB2BIG.java 
 * 
Author   Keiven Ju  
 * 
Created  2003-5-15 5:42:41 
 * 
Copyright 1995-1998,2000-2003 by (rc) AKuP International, Inc.,
 
 * 
Nanjing:
 
 * Unit C, 26F Jianjiang Culture Building, No. 89 Zhongshannan Rd. Nanjing 210005 China
 
 * 
Taipei :
 
 * 4F, 213 Sec.5, Nanking East Rd., Taipei, Taiwan. (105).
 
 * 
 
 * All rights reserved.
 
 * 
 
 * This software is the confidential and proprietary information
 
 * of AKuP International, Inc. ("Confidential Information").  You
 
 * shall not disclose such Confidential Information and shall use
 
 * it only in accordance with the terms of the license agreement
 
 * you entered into with AKuP.
 
 * 
 
 * E-mail keiven.ju@akup.com  for more information.  
 */ 
package com.akup.charset; 
 
import java.io.BufferedReader; 
 
import java.io.FileInputStream; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.io.InputStreamReader; 
import java.io.OutputStreamWriter; 
import java.io.Reader; 
import java.io.StringReader; 
import java.io.Writer; 
 
/** 
 * GB2BIG5 
 * ±àÂ?ª»¯µÄ¹?ÌÈçÏ£º 
 * GB2312------------------>Unicode------------->Big5 
 * @author Keiven Ju (keiven.ju@akup.com) 
 * @since 1.0.0 
 * @version 1.0.1 2003-5-15 
 */ 
public class GB2BIG5 { 
 
	private static int iCharNum = 0; 
 
	/** 
	 * Method readInput ´ÓÎļ?жÁ³ö×Ö·û´® 
	 * @param strInFile  
	 * @return String 
	 */ 
	public static String readInput(String strInFile) { 
		StringBuffer buffer = new StringBuffer(); 
		try { 
			FileInputStream fis = new FileInputStream(strInFile); 
			InputStreamReader isr = new InputStreamReader(fis, "GB2312"); 
			Reader in = new BufferedReader(isr); 
			int ch; 
			while ((ch = in.read()) > -1) { 
				iCharNum += 1; 
				buffer.append((char) ch); 
			} 
			in.close(); 
			return buffer.toString(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
			return null; 
		} 
	} 
 
	/** 
	 * Method writeOutput ×Ö·û´®Êä³öΪBig5±àÂ?ļ?£ 
	 * @param str  ´?ä³ö×Ö·û´® 
	 * @param strOutFile Êä³öÎļ?
	 */ 
	public static void writeOutput(String str, String strOutFile) { 
		try { 
			FileOutputStream fos = new FileOutputStream(strOutFile); 
			Writer out = new OutputStreamWriter(fos, "Big5"); 
			out.write(str); 
			out.close(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
		} 
	} 
 
	/** 
	 * Method readInput ´ÓÎļ?жÁ³ö×Ö·û´® 
	 * @param strInFile  
	 * @return String 
	 */ 
	public static String readInput(String strInFile, String charset) { 
		if (charset == null) 
			return null; 
		StringBuffer buffer = new StringBuffer(); 
		try { 
			FileInputStream fis = new FileInputStream(strInFile); 
			InputStreamReader isr = new InputStreamReader(fis, charset); 
			Reader in = new BufferedReader(isr); 
			int ch; 
			while ((ch = in.read()) > -1) { 
				iCharNum += 1; 
				buffer.append((char) ch); 
			} 
			in.close(); 
			return buffer.toString(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
		} 
		return null; 
	} 
 
	/** 
	 * writeOutput,×Ö·û´®Êä³öΪtrgcharset±àÂ?ļ?£ 
	 * @param str ´?ä³ö×Ö·û´® 
	 * @param strOutFile Êä³öÎļ?
	 * @param trgcharset Êä³öÎļ?harset 
	 * @since 1.0.0  2003-12-15  
	 */ 
	public static void writeOutput(String str, String strOutFile, String trgcharset) { 
		try { 
			FileOutputStream fos = new FileOutputStream(strOutFile); 
			Writer out = new OutputStreamWriter(fos, trgcharset); 
			out.write(str); 
			out.close(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
		} 
	} 
 
	/** 
	 * Input GB2312 file, output Big5 file. 
	 * @deprecated 
	 * @param strInFile 
	 * @param strOutFile 
	 */ 
	public static void FileGB2BIG(String strInFile, String strOutFile) { 
		iCharNum = 0; 
		System.out.println("Input GB2312 file, output Big5 file."); 
		String inputString = readInput(strInFile); 
		writeOutput(inputString, strOutFile); 
		System.out.println("Number of Characters in file: " + iCharNum + "."); 
	} 
 
	/** 
	 * toIEUnicode, 
	 * @param instring 
	 * @return String 
	 * @since 1.0.0  2003-12-11  
	 */ 
	public static String toIEUnicode(String instring) { 
		String IEUnicode = "&#x"; 
		char IEUnicoded = ';'; 
		StringBuffer out = new StringBuffer(); 
		try { 
			Reader in = new StringReader(instring); 
			String temp = null; 
			int ch; 
			while ((ch = in.read()) > -1) { 
				iCharNum += 1; 
				if (ch < 512) { 
					out.append((char) ch); 
				} else { 
					//temp = IEUnicode + Integer.toHexString(ch)+";"; 
					out.append(IEUnicode); 
					out.append(Integer.toHexString(ch)); 
					out.append(IEUnicoded); 
				} 
			} 
			in.close(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
			return null; 
		} 
 
		return out.toString(); 
	} 
	/** 
	 * File2IEUnicode, 
	 * @param infile 
	 * @param outfile 
	 * @since 1.0.0  2003-12-29  
	 */ 
	public static void File2IEUnicode(String infile, String outfile) { 
		System.out.println("Input GB2312 file, output Unicode file."); 
		String str = readInput(infile); 
		String strunicode = toIEUnicode(str); 
		writeOutput(strunicode, outfile); 
		System.out.println("Number of Characters in file: " + iCharNum + "."); 
	} 
	/** 
	 * ÊäÈ?Ö·û´®Êä³?UnicodeÏÔʾ×Ö·û´®¡£ 
	 * Method String2Unicode 
	 * @param instring  
	 * @return String 
	 */ 
	public static String String2Unicode(String instring) { 
		String unicode = "\\u"; 
		StringBuffer out = new StringBuffer(); 
		try { 
			Reader in = new StringReader(instring); 
			String temp = null; 
			int ch; 
			while ((ch = in.read()) > -1) { 
				iCharNum += 1; 
				if (ch < 512) { 
					out.append((char) ch); 
				} else { 
					temp = unicode + Integer.toHexString(ch); 
					out.append(temp); 
				} 
			} 
			in.close(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
			return null; 
		} 
 
		return out.toString(); 
	} 
 
	/**Input GB2312 file, output Unicode file. 
	 * @param infile  
	 * @param outfile  
	 */ 
	public static void File2Ascii(String infile, String outfile) { 
		System.out.println("Input GB2312 file, output Unicode file."); 
		String str = readInput(infile); 
		String strunicode = String2Unicode(str); 
		writeOutput(strunicode, outfile); 
		System.out.println("Number of Characters in file: " + iCharNum + "."); 
	} 
 
	public static void main(String[] args) { 
		//FileGB2BIG("AA.txt", "BB.txt"); 
		//String ss = String2Unicode("123ÎÒÊÇÀÏ»¢456");		 
		//File2Ascii("AA.txt", "BB.txt"); 
		//ss=readInput("AA.txt"); 
		System.out.println(String2Unicode("‚킽‚µ“c’†")); 
		//File2IEUnicode("AA.txt", "CC.txt"); 
	} 
}