Java Counters-class And Method Code Example


Here is an example of how to use the Counters class from the org.apache.commons.io package in Java:

import java.io.File;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.comparator.PathFileComparator;
import org.apache.commons.io.comparator.SizeFileComparator;
import org.apache.commons.io.filefilter.TrueFileFilter;
import org.apache.commons.io.Counters;

public class CountersExample {
    public static void main(String[] args) {
        // Define the directory to count files
        File directory = new File("/path/to/directory");
        
        // Define the path comparator to use
        PathFileComparator pathComparator = new PathFileComparator();
        
        // Define the size comparator to use
        SizeFileComparator sizeComparator = new SizeFileComparator();
        
        // Create a new Counters instance
        Counters counters = new Counters();
        
        // Count all files in the directory
        counters.count(directory, TrueFileFilter.TRUE, pathComparator, sizeComparator);
        
        // Get the count of the files
        long count = counters.getCount();
        System.out.println("Number of files: " + count);
    }
}

In this example, we are using the Counters class to count all the files in a specific directory that match certain conditions.

We define the directory to count files, and set a path comparator and a size comparator to use. The Counters class will count the files that match the conditions specified by the comparators.

Once the counting is finished, we get the count of the files and print it.

It's worth noting that this class doesn't define any conditions or filters to count the files, it uses the comparators passed to the constructor to decide which files should be counted.