Program designed to profile Java apps/scripts/programs

ProgramStats.java

package com.kill3rtaco.programutil; //either change or remove

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class ProgramStats {
	
	private String	project;
	private int		packages, classes, lines,
					emptyLines, trueLines;
	
	public ProgramStats(String project, String format) {
		this.project = project;
		packages = classes = lines = 0;
		count(new File(format.replaceAll("%project", project)));
		packages -= 1;
	}
	
	//<workspace folder> <project>
	public static void main(String[] args) {
		ProgramStats stats;
		if(args.length == 0) {
			System.out.println("missing eclipse workspace folder");
			return;
		} else if(args.length == 1) {
			System.out.println("missing project name");
			return;
		} else {
			stats = new ProgramStats(args[1], args[0] + "/%project/src");
		}
		stats.showStats();
	}
	
	private void count(File file) {
		if(file.isDirectory()) {
			packages++;
			for(File f : file.listFiles()) {
				count(f);
			}
		} else {
			try {
				if(!file.getName().substring(file.getName().lastIndexOf(".")).equalsIgnoreCase(".java"))
					return;
				Scanner x = new Scanner(file);
				classes++;
				System.out.println("Reading " + file.getName() + "...");
				while (x.hasNextLine()) {
					String line = x.nextLine().trim();
					
					if(line.equalsIgnoreCase(""))
						emptyLines++;
					if(line.length() > 3 && !line.startsWith("import") && !line.startsWith("package"))
						trueLines++;
					lines++;
				}
				x.close();
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			}
		}
	}
	
	public int getPackages() {
		return packages;
	}
	
	public int getClasses() {
		return classes;
	}
	
	public int getEmptyLines() {
		return emptyLines;
	}
	
	public int getLines() {
		return lines;
	}
	
	public void showStats() {
		System.out.println("\nStats for " + project);
		System.out.println("============================");
		System.out.printf("Total lines:      %5d\n", lines);
		System.out.printf("True lines:       %5d\n", trueLines);
		System.out.printf("Empty lines:      %5d\n", emptyLines);
		System.out.printf("Classes:          %5d\n", classes);
		System.out.printf("Packages:         %5d\n", packages);
	}
	
	public static void countAll() {
		int tl = 0, tel = 0, tc = 0, tp = 0;
		String root = "/home/taco/.workspace";
		for(File f : new File(root).listFiles()) {
			if(f.isDirectory() && !f.getName().equalsIgnoreCase(".metadata")) {
				String format = root + "/%project/src";
				ProgramStats stats = new ProgramStats(f.getName(), format);
				tl += stats.getLines();
				tel += stats.getEmptyLines();
				tc += stats.getClasses();
				tp += stats.getPackages();
			}
		}
		
		System.out.println("\nStats for all projects");
		System.out.println("==========================================");
		System.out.printf("Total number of packages:    %5d\n", tp);
		System.out.printf("Total number of classes:     %5d\n", tc);
		System.out.printf("Total number of lines:       %5d\n", tl);
		System.out.printf("Total number of empty lines: %5d\n", tel);
	}
	
}