基于cpdetector实现的文本文件编码转换器

import info.monitorenter.cpdetector.CharsetPrinter;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;

/**
 * @author yunshouhu http://blog.csdn.net/earbao
 * 基于cpdetector检测文件编码实现的文本文件编码转换器
 * 可用于eclipse工程统一编码
 */
public class FileCode {
	// Input file name
	private String inputFileName;

	// The encoding when reading input file
	private String inputFileCode;

	// Output file name
	private String outputFileName;

	// The encoding when write to a file
	private String outputFileCode;

	public static void main(String[] args) {

		String destEncode="utf-8";
		//System.out.println("system-issuesaa.doc".matches(".+\\.doc"));
		//System.out.println("=======");
		List<String> filelist = new ArrayList<String>();

		List<String> acceptTypes = new ArrayList<String>();
		acceptTypes.add("*.txt");
		acceptTypes.add("*.java");
		acceptTypes.add("*.html");
		acceptTypes.add("*.log");
		visitDirBydigui("E:\\workspace\\eclipse\\iloveyou", filelist, acceptTypes);
		System.out.println(filelist.size());
		for (String file : filelist) {
			
			String oldencode=guessEncoding(file);
			System.out.println(file+" "+oldencode);
			
			write(file, destEncode, read(file,oldencode));	
		}

	}

	private static void visitDirBydigui(String dirpath, List<String> filelist,
			List<String> acceptTypes) {
		File dir = new File(dirpath);
		File[] files = dir.listFiles();
		if (files == null)
			return;
		for (int i = 0; i < files.length; i++) {
			if (files[i].isDirectory()) {
				visitDirBydigui(files[i].getAbsolutePath(), filelist,
						acceptTypes);
			} else {
				String strFileName = files[i].getAbsolutePath().toLowerCase();
				// System.out.println("system-issuesaa.doc".matches(".+\\.doc"));
				for (String type : acceptTypes) {
					if (strFileName.matches(".+\\" + type.substring(1))) {
						filelist.add(files[i].getAbsolutePath());
					}
				}

			}
		}

	}

	public static String guessEncoding(String filename) {
		try {
			CharsetPrinter charsetPrinter = new CharsetPrinter();
			String encode = charsetPrinter.guessEncoding(new File(filename));
			return encode;
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
	}
	public static String read(String fileName, String encoding) {

		String string = "";
		try {
			BufferedReader in = new BufferedReader(new InputStreamReader(
					new FileInputStream(fileName), encoding));

			String str = "";
			while ((str = in.readLine()) != null) {
				string += str + "\n";
			}
			in.close();

		} catch (Exception ex) {
			ex.printStackTrace();
		}
		return string;
	}
	public static void write(String fileName, String encoding, String str) {
		try {
			Writer out = new BufferedWriter(new OutputStreamWriter(
					new FileOutputStream(fileName), encoding));
			out.write(str);
			out.close();
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}

	public String getInputFileName() {
		return inputFileName;
	}

	public void setInputFileName(String inputFileName) {
		this.inputFileName = inputFileName;
	}

	public String getInputFileCode() {
		return inputFileCode;
	}

	public void setInputFileCode(String inputFileCode) {
		this.inputFileCode = inputFileCode;
	}

	public String getOutputFileName() {
		return outputFileName;
	}

	public void setOutputFileName(String outputFileName) {
		this.outputFileName = outputFileName;
	}

	public String getOutputFileCode() {
		return outputFileCode;
	}

	public void setOutputFileCode(String outputFileCode) {
		this.outputFileCode = outputFileCode;
	}

}

附上cpdetector下载地址：

http://jaist.dl.sourceforge.net/project/cpdetector/cpdetector/sources/cpdetector_eclipse_project_1.0.10.zip