get last modified file by pattern(wildcard)

import java.io.File;

import java.io.FileFilter;

import java.util.Arrays;

import java.util.Comparator;

import org.apache.commons.io.filefilter.WildcardFileFilter;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class LastModifiedFileByPattern {

public static Logger logger = LoggerFactory.getLogger(FileFilterTest.class);

@SuppressWarnings({ "unchecked", "rawtypes" })

public static File getLastModifiedFile(File dir, String wildcard) {

File file = null;

if (dir == null || dir.isDirectory() == false) {

return null;

}

FileFilter fileFilter = new WildcardFileFilter(wildcard);

File[] files = dir.listFiles(fileFilter);

if (files == null || files.length == 0) {

return null;

}

Arrays.sort(files, new Comparator() {

    public int compare(Object o1, Object o2) {

        if (((File)o1).lastModified() > ((File)o2).lastModified()) {

            return -1;

        } else if (((File)o1).lastModified() < ((File)o2).lastModified()) {

            return +1;

        } else {

            return 0;

        }

    }

});

file = files[0];

return file;

}

public static void main(String[] args) {

File dir = new File("/somepath/");

String wildcard = "service_*.log";

File f = getLastModifiedFile(dir, wildcard);

logger.debug(f.toString());

}

}