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

/* 
Program  Converter.java 
 * 
Author   Keiven Ju  
 * 
Created  2003-12-15 9:38:55 
 * 
Copyright 1995-1998,2000-2003 by AKuP International, Inc.,
 
 * 
Nanjing:
 
 * Unit C, 26F Jianjiang Culture Building, No. 89 Zhongshannan Rd. Nanjing 210005 China
 
 * 
 26F, Jianjiang Building No.89,Zhongshan South Rd, Nanjing 
 * 
Taipei :
 
 * 
5F, NO.6, Alley 36, Lane 26, Rueiguang Rd,  Neihu District, Taipei City 114, Taiwan 
 * 
 
 * 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.File; 
import java.io.FileNotFoundException; 
import java.io.IOException; 
 
/**  
 * program  Converter 
 * @author  Keiven Ju  
 * @since   1.0.0  
 * @version 1.0.0  2003-12-15 9:38:55  
 */ 
public class FileConverter { 
	private CharsetToolkit chtoolkit = new CharsetToolkit(); 
 
	/** 
	 * convertFile, 
	 * @param srcfilename 
	 * @param srcCharset 
	 * @param trgfilename 
	 * @param trgCharset 
	 * @throws IOException 
	 * @since 1.0.0  2003-12-16  
	 */ 
	public void convertFile(String srcfilename, String srcCharset, String trgfilename, String trgCharset) throws IOException { 
		File srcdir = new File(srcfilename); 
		File trgdir = new File(trgfilename); 
		if (!srcdir.exists() || !srcdir.isFile()) 
			throw new FileNotFoundException("Not found file '" + srcdir.getAbsolutePath() + "'"); 
		chtoolkit.convertFile(srcdir, srcCharset, trgdir, trgCharset); 
	} 
	/** 
	 * convertDirectory,转换整个目录， 
	 * @param srcpath   源目录 
	 * @param srcCharset 源字符编码 
	 * @param trgpath    目标目录 
	 * @param trgCharset 目标字符编码 
	 * @throws IOException  
	 * @since 1.0.0  2003-12-16  
	 */ 
	public void convertDirectory(String srcpath, String srcCharset, String trgpath, String trgCharset, String filte, boolean includechild) throws IOException { 
		File srcdir = new File(srcpath); 
		File trgdir = new File(trgpath); 
		if (!srcdir.exists() || !srcdir.isDirectory()) 
			throw new FileNotFoundException("Not found directory '" + srcdir.getAbsolutePath() + "'"); 
		if (!trgdir.exists()) { 
			trgdir.mkdir(); 
			System.out.println("Make directory: " + trgdir.getCanonicalPath()); 
		} 
		if (!trgdir.canRead() && !trgdir.canWrite()) { 
			throw new IOException("can not write to '" + srcdir.getAbsolutePath() + "'"); 
		} 
		if (!srcdir.canRead()) { 
			System.err.println(srcdir.getAbsolutePath() + " can't be read."); 
		} 
		convertDir(srcdir, srcCharset, trgdir, trgCharset, filte, includechild); 
	} 
 
	/** 
	 * convertDir,内部方法，转换目录文档 
	 * @param srcdir 
	 * @param srcCharset 
	 * @param trgdir 
	 * @param trgCharset 
	 * @param filte 
	 * @param include 
	 * @throws IOException 
	 * @since 1.0.0  2003-12-16  
	 */	 
	protected void convertDir(File srcdir, String srcCharset, File trgdir, String trgCharset, String filte, boolean include) throws IOException { 
		if (!srcdir.exists() || !srcdir.isDirectory()) 
			throw new FileNotFoundException("Not found directory '" + srcdir.getAbsolutePath() + "'"); 
		if (!trgdir.exists()) { 
			trgdir.mkdir(); 
			System.out.println("----------------------"); 
			System.out.println("Make directory: " + trgdir.getCanonicalPath()); 
		} 
		if (!srcdir.canRead()) { 
			System.err.println("----------------------"); 
			System.err.println(srcdir.getAbsolutePath() + " refused access."); 
		} 
		if (!trgdir.canWrite()) { 
			throw new IOException("can not write to '" + srcdir.getAbsolutePath() + "'"); 
		} 
		File[] files = srcdir.listFiles(); 
		String filename = ""; 
		File trgfile = null; 
 
		for (int i = 0; i < files.length; i++) { 
			filename = files[i].getName(); 
			filename = chtoolkit.convertString(filename, srcCharset, trgCharset); 
			trgfile = new File(trgdir, filename); 
			if (files[i].isFile()) { 
				if (!this.checkPattern(files[i].getName(), filte)) //不符合要求就不做这个 
					continue; 
				System.out.println("----------------------"); 
				chtoolkit.convertFile(files[i], srcCharset, trgfile, trgCharset); 
				System.out.println("file converted :" + trgfile.getAbsoluteFile()); 
 
			} else if (include && files[i].isDirectory()) { 
				System.out.println("----------------------"); 
				deep++; 
				System.out.println("directory  start  " + deep + "#:  " + trgfile.getAbsoluteFile()); 
				this.convertDir(files[i], srcCharset, trgfile, trgCharset, filte, include); 
				System.out.println("----------------------"); 
				System.out.println("directory  finish " + deep + "#:  " + trgfile.getAbsoluteFile()); 
				deep--; 
			} 
		} 
	} 
	private int deep = 0; 
	/** 
	 * checkPattern,检查是否符合要求 
	 * @param name 
	 * @param pattern 
	 * @return boolean true:符合要求 
	 * @since 1.0.0  2003-12-16  
	 */ 
	protected boolean checkPattern(String name, String pattern) { 
		if (pattern == null || pattern.length() == 0) 
			return true; 
		return name.endsWith(pattern); 
	} 
 
	private static void elapsed() { 
		CharsetToolkit ctk = new CharsetToolkit(); 
		try { 
			ctk.setUseZhCode(true); 
			String gbstring = CharsetToolkit.readInput("AA.txt", "GB2312"); 
			//System.out.println(gbstring); 
			System.out.println("--start--"); 
			int count = 10000; 
			long start = System.currentTimeMillis(); 
			for (int i = 0; i < count; i++) { 
				ctk.convertString(gbstring, "GB2312", "Big5"); 
			} 
			System.out.println(((double) (System.currentTimeMillis() - start)) / count); 
			ctk.setUseZhCode(true); 
			System.out.println(ctk.convertString(gbstring, "GB2312", "Big5")); 
			ctk.setUseZhCode(false); 
			System.out.println(ctk.convertString(gbstring, "GB2312", "Big5")); 
		} catch (Exception e) { 
			e.printStackTrace(); 
		} 
		System.out.println("---end---"); 
	} 
	 
	public static void main(String[] args) { 
		try { 
			new FileConverter().convertDirectory("D:\\srcpath", "GB2312", "D:\\trgpath", "BIG5", ".txt", true); 
			//new FileConverter().convertFile("D:\\srcpath\\AA.txt", "GB2312", "D:\\trg2path\\cc.txt", "BIG5"); 
		} catch (Exception e) { 
			e.printStackTrace(); 
		} 
		System.out.println("---end---"); 
	} 
}