通過關鍵字查找jar文件的工具類

package org.smart.shoutu.external.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Enumeration;
import java.util.regex.Pattern;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;
import org.springframework.web.bind.annotation.RequestMapping;

public class Find {
	// jar包父目錄
	public static final String path = "E:\\repository\\org\\smartFramework\\smart-common\\3.01.01.042";
	// 關鍵字
	public static final String keywords = "@RequestMapping(\"/admin/header\")";
        
	public static void find() {
		File file = new File(path);
                //定義正則過濾
                final Pattern p = Pattern.compile(".+\\.jar$");
		File[] files = file.listFiles(new FileFilter() {
			@Override
			public boolean accept(File pathname) {
				if (p.matcher(pathname.getPath()).matches()) {
					return true;
				} else {
					return false;
				}
			}
		});
                
		search(files);
	}

	private static void search(File[] files) {
		try {
			for (File f : files) {
				if (f.isDirectory()) {
                                     //遞歸
                                     search(f.listFiles());
				} else {
					ZipFile jar = new ZipFile(f);
                                        //獲取jar文件內部元素的迭代器
                                        Enumeration enumration = jar.entries();
					while (enumration.hasMoreElements()) {
 						ZipEntry zipEntry = (ZipEntry) enumration.nextElement();
						InputStreamReader isr = new InputStreamReader(jar.getInputStream(zipEntry));
						BufferedReader br = new BufferedReader(isr);
						String line = br.readLine();
						int line_num = 1;
						while (null != line) {
							// System.out.println(line);
							if (line.contains(keywords)) {
								System.out.println("myurl=" + f.getPath() + ","
										+ zipEntry.getName() + ","
										+ "line number = " + line_num);
							}
							line = br.readLine();
							line_num++;
						}
					}
				}
			}
		} catch (ZipException z_e) {
			z_e.printStackTrace();
		} catch (IOException io_e) {
			io_e.printStackTrace();
		}
	}
}