java 遍历递归操作(改名) 文件/文件夹

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

public class Rename {

public static final String path = "c:/a";
public static final String search = "java";
public static final String replace = "java";

public static void main(String[] args) {
File f = new File(path);
new Rename().recursionFile(f);
}

public void recursionFile(File f) {
File[] ary = f.listFiles();
for (File file : ary) {
if (file.isDirectory()) {
handleDir(file);
recursionFile(file);
} else {
handleFile(file);
}
}
}

public void handleFile(File f) {
Pattern p = Pattern.compile("(^.+//.)(" + search + ")$");
Matcher m = p.matcher(f.getAbsolutePath());
if (m.matches()) {
f.renameTo(new File(m.group(1) + "java"));
System.out.println("修改了文件名" + f.getAbsolutePath());
}
}

public void handleDir(File f) {
//
}

}