Rosi_checker

import java.util.*;


import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.activation.*;

import java.awt.Toolkit;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.util.ArrayList;


import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlAnchor;
import com.gargoylesoftware.htmlunit.html.HtmlButton;
import com.gargoylesoftware.htmlunit.html.HtmlElement;
import com.gargoylesoftware.htmlunit.html.HtmlInput;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import com.gargoylesoftware.htmlunit.html.HtmlSubmitInput;

@SuppressWarnings("all")
public class rosi {



	private static ArrayList<String> CompareFile(String file1, String file2)
			throws Exception {

		File f1 = new File(file1);
		File f2 = new File(file2);

		FileReader fR1 = new FileReader(f1);
		FileReader fR2 = new FileReader(f2);

		BufferedReader reader1 = new BufferedReader(fR1);
		BufferedReader reader2 = new BufferedReader(fR2);

		String line1 = null;
		String line2 = null;

		Boolean same = true;

		ArrayList<String> dif = new ArrayList<String>();

		while (((line1 = reader1.readLine()) != null)
				&&((line2 = reader2.readLine()) != null)) {
			if (!line1.equalsIgnoreCase(line2)) {
				same = false;
				dif.add(line2);
			} 
		}

		reader1.close();
		reader2.close();

		return dif;

	}
	
	public static void main(String[] args)throws Exception
	{
		System.setErr(new PrintStream("/dev/null"));
		Scanner keyboard = new Scanner(System.in);
		System.out.println("Enter Student number");
		int studentNumberInput = keyboard.nextInt();
		System.out.println(studentNumberInput);
		keyboard = new Scanner(System.in);
		System.out.println("Password");
		int passwordInput = keyboard.nextInt();
		System.out.println(passwordInput);
		int count =1;
		
		keyboard.close();
		
		while (1==1){
		System.out.println("Check # "+count); 
		
		final WebClient webClient = new WebClient(BrowserVersion.CHROME);
		webClient.getOptions().setJavaScriptEnabled(false);

		//to get to login  page
		HtmlPage page1 = webClient.getPage("http://www.rosi.utoronto.ca/");
		//final HtmlAnchor anchor = page1.getAnchorByName("secondary-btn secondary-btn-large btn-secondary");
		HtmlAnchor anchor =page1.getAnchorByText("Login to ROSI");
		page1=anchor.click();

		//login page
		HtmlInput studentNumber = page1.getHtmlElementById("personId");
		studentNumber.setValueAttribute(Integer.toString(studentNumberInput));
		
		
		HtmlInput password = page1.getHtmlElementById("pin");
		password.setValueAttribute(Integer.toString(passwordInput));
		
		
		HtmlSubmitInput button =  (HtmlSubmitInput) page1.getByXPath("/html/body//form//input[@type='submit' and @value='Login']").get(0);    
		page1=button.click();


		//navigate to marks

		HtmlAnchor anchor2 =page1.getAnchorByText("Transcripts, Academic History");
		try{
			page1=anchor2.click();
		}
		catch (Exception e){
			System.out.println(e);
		}

		File file = new File("Rosi_Filter_local_marks.txt");
		if(file.exists()) {
			
			try {
				BufferedWriter output = new BufferedWriter(new FileWriter("Rosi_Filter_local_marks2.txt"));
				output.write(page1.asText());
				output.close();
				ArrayList<String> dif = CompareFile("Rosi_Filter_local_marks.txt", "Rosi_Filter_local_marks2.txt");

				if (dif.size()> 0){

	               for (int i = 0; i < dif.size(); i++){
	            	   String item = dif.get(i);
	            	   System.out.println("Item " + i + " : " + item);
	            	   
	            	   
	            	   JFrame j=new JFrame();
	                   j.setAlwaysOnTop(true);
	                   j.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	                   j.setVisible(true);
	                   j.setVisible(false);
	                   JOptionPane.showMessageDialog(j,"NEW MARKS" + item);
	                  
	            	   
	               }

					System.out.println("done");
				}

				
				               try {
				                   output = new BufferedWriter(new FileWriter(file));
				                   output.write(page1.asText());
				                   output.close();
				                 } catch ( IOException e ) {
				                    e.printStackTrace();
				                 }




			} catch ( IOException e ) {
				e.printStackTrace();
			}

		}
		else{

			try {
				BufferedWriter output = new BufferedWriter(new FileWriter(file));
				output.write(page1.asText());
				output.close();
			} catch ( IOException e ) {
				e.printStackTrace();
			}
		}

		

		Thread.sleep(2000);
		webClient.closeAllWindows();
		count = count +1;
		}
	}
	
}