Filter a directory listing by dateTag(s): IO
This HowTo filters a directory listing based on a date interval.
import java.io.*;
import java.text.*;
import java.util.*;
public class FileFilterDateIntervalUtils implements FilenameFilter {
String dateStart;
String dateEnd;
SimpleDateFormat sdf;
public FileFilterDateIntervalUtils(String dateStart, String dateEnd) {
this.dateStart = dateStart;
this.dateEnd = dateEnd;
sdf = new SimpleDateFormat("yyyy-MM-dd");
}
public boolean accept(File dir, String name) {
Date d = new Date(new File(dir, name).lastModified());
String current = sdf.format(d);
return ((dateStart.compareTo(current) < 0
&& (dateEnd.compareTo(current) >= 0)));
}
}
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
public class Test {
public static void main(String[] args) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
FileFilterDateIntervalUtils filter =
new FileFilterDateIntervalUtils("2004-01-01", "2004-12-31");
File folder = new File("C:/temp");
File files[] = folder.listFiles(filter);
for (File f : files) {
System.out.println(f.getName() + " "
+ sdf.format(new Date(f.lastModified())));
}
}
}
Take a look at this HowTo to sort the filenames based on the extension.
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