OnJava8-Examples/files/DirList3.java
2015-11-14 16:18:05 -08:00

34 lines
834 B
Java

// files/DirList3.java
// ©2016 MindView LLC: see Copyright.txt
// Building the anonymous inner class "in-place."
// {Args: "D.*\.java"}
import java.util.regex.*;
import java.io.*;
import java.util.*;
public class DirList3 {
public static void main(final String[] args) {
File path = new File(".");
String[] list;
if(args.length == 0)
list = path.list();
else
list = path.list(new FilenameFilter() {
private Pattern pattern = Pattern.compile(args[0]);
@Override
public boolean accept(File dir, String name) {
return pattern.matcher(name).matches();
}
});
Arrays.sort(list, String.CASE_INSENSITIVE_ORDER);
for(String dirItem : list)
System.out.println(dirItem);
}
}
/* Output:
DirectoryDemo.java
DirList.java
DirList2.java
DirList3.java
*/