GZ/nwyj/.svn/pristine/81/81b5f229fa153292aa5ec1e13a0fd25243448655.svn-base

package com.sysmodel.configLoader;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class FileUtil{

	public static File[] getFiles(String path) {
		if (path.indexOf("\\") == -1) {
			return null;
		}

		String pattern = path.substring(path.lastIndexOf("\\") + 1);
		String dir = path.substring(0, path.lastIndexOf("\\") + 1);

		return getFiles(dir, pattern);
	}

	public static File[] getFiles(String dir, String pattern) {
		File file = new File(dir);

		pattern = pattern.replace(',', '#');
		pattern = pattern.replaceAll("#", "\\\\.");
		pattern = pattern.replace('*', '#');
		pattern = pattern.replaceAll("#", ".*");
		pattern = pattern.replace('?', '#');
		pattern = pattern.replaceAll("#", ".?");
		pattern = "^" + pattern + "$";

		Pattern p = Pattern.compile(pattern);
		List<File> list = filePattern(file, p);

		File[] files = new File[list.size()];
		list.toArray(files);

		return files;
	}

	private static List<File> filePattern(File file, Pattern p) {
		if (null == file)
			return null;
		else if (file.isFile()) {
			Matcher matcher = p.matcher(file.getName());
			if (matcher.matches()) {
				List<File> list = new ArrayList<File>();
				list.add(file);
				return list;
			}
		} else if (file.isDirectory()) {
			File[] files = file.listFiles();
			if (null != files && files.length > 0) {
				List<File> list = new ArrayList<File>();
				for (File f : files) {
					List<File> rlist = filePattern(f, p);
					if (null != rlist) {
						list.addAll(rlist);
					}
				}
				return list;
			}
		}
		return null;
	}

	public static void main(String[] args) {
		// File[] files =
		// FileUtil.getFiles("E:\\workspace\\bjgls\\build\\classes",
		// "applicationContext*.xml");
		FileUtil.getFiles("/WEB-INF/DataModel*.xml");
	}
}