How to Convert File to a Different Encoding

package com.exampleshow.file;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
 
import org.apache.commons.io.FileUtils;
/**
 * @author Code Panda
 * Copyright (C) 2008 Java ExampleShow (http://java.exampleshow.com)
 *
 * This code is free software; you can redistribute it and/or modify it.
 * However, this header must remain intact and unchanged. Additional
 * information may be appended after this header. Publications based on
 * this code must also include an appropriate reference.
 * 
 * This code 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.
 *
 */
public class ConvertFileEncode {
 
    /**
     * 
     */
    public ConvertFileEncode() {
	// TODO Auto-generated constructor stub
    }
 
    public void convertAllFile(String srcPath, String srcEncode, String targetPath, String targetEncode, String[] fileFilters) throws Exception {
	List<File> fileList = new ArrayList( FileUtils.listFiles(new File(srcPath), fileFilters, true) ); 
	for(int i=0; i<fileList.size(); i++) {
	    File file = fileList.get(i);
	    String srcFilePath = file.getAbsolutePath();
	    File targetFile = new File(targetPath, srcFilePath.substring(srcPath.length() ) );
	    convert(file, srcEncode, targetFile, targetEncode);	    
	}
 
 
    }
 
    public void convert(File srcFile, String srcEncode,  File targetFile, String targetEncode) throws Exception {
	System.out.println("try "+srcFile.getAbsolutePath() + " -> " + targetFile.getAbsolutePath());
	String content = FileUtils.readFileToString(srcFile, srcEncode);
	File targetParentFile = targetFile.getParentFile();
	if(!targetParentFile.exists())
	    targetFile.getParentFile().mkdirs();
 
	FileUtils.writeStringToFile(targetFile, content, targetEncode);
    }
 
    /**
     * @param args
     */
    public static void main(String[] args) {
	// TODO Auto-generated method stub
	ConvertFileEncode converter = new ConvertFileEncode();
	try {
	    converter.convertAllFile("c:/exampleshow", "GBK", "c:/exampleshow.utf8", "UTF-8", new String[]{"txt","html","php"});
	} catch (Exception e) {
	    e.printStackTrace();
	}
    }
 
}