convertfile.java

摘要：主要用于转换各种编码方式的文本文件

package com.field.codeconvert.core;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import com.field.codeconvert.ui.MainFrame;
public class ConvertFile {
	/**
	 * @param args
	 */
	
	public void  convertFile (String srcCharsetName,String destCharsetName,File file){
		if(file.isFile()){
			String strParentPath = file.getParent();
			File folder = new File(strParentPath + "/" + srcCharsetName+"To"+destCharsetName );
			System.out.println(folder.getAbsolutePath());
			if(!folder.exists()){
				folder.mkdirs();				
			}			
			try {
				MainFrame.jTextArea.append(file.getAbsolutePath()+"        ");
				FileInputStream fis = new FileInputStream(file);
				File convertFile = new File(folder+ "/" + file.getName());
				if(convertFile.exists()){
					convertFile.delete();
				}				
				FileOutputStream fos = new FileOutputStream(convertFile);				
				byte [] byteArray = new byte [fis.available()];
				fis.read(byteArray);
				String srcStr = new String(byteArray,srcCharsetName);				
				//String destStr = new String(srcStr.getBytes(destCharsetName),destCharsetName);				
				fos.write(srcStr.getBytes(destCharsetName));			
				fis.close();
				fos.close();
				MainFrame.jTextArea.append("\n( " + convertFile.getAbsolutePath() + " )    " + "Convert Success!\n ");
				MainFrame.jTextArea.setCaretPosition(MainFrame.jTextArea.getText().length());
				
			} catch (FileNotFoundException e) {
				// TODO 自动生成 catch 块
				MainFrame.jTextArea.append(e.getMessage()+"\n");				
				e.printStackTrace();
			} catch (IOException e1) {
				// TODO 自动生成 catch 块
				MainFrame.jTextArea.append(e1.getMessage()+"\n");				
				e1.printStackTrace();
			}			
		}else{
			return;
		}		
	}
}