检索jar包里的关键词

package file_utils;

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.ZipFile;

/**
* 检索jar包里的关键词
*/
public class FindForJarIndex {

private static final String path = "I:\\Android\\04test\\Wateen\\app\\libs"; //jar包父目录
private static final String keywords = "getMessageFormat"; //关键字

public static void indesJar(String path, String keywords) {
File file = new File(path);
final Pattern p = Pattern.compile(".+\\.jar$");
File[] files = file.listFiles(new FileFilter() {
@Override
public boolean accept(File pathname) {
return p.matcher(pathname.getPath()).matches();
}
});

search(files,keywords);
}

private static void search(File[] files, String keywords) {
try {
for (File f : files) {
if (f.isDirectory()) {
search(f.listFiles(), keywords);
} else {
ZipFile jar = new ZipFile(f);
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(
f.getPath() + "," + zipEntry.getName() + "," + "line number = "
+ line_num);
}
line = br.readLine();
line_num++;
}
}
}
}
} catch (IOException io_e) {
io_e.printStackTrace();
}
}
}