MyActionListener.java

import java.lang.Long;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import java.lang.*;
import javax.swing.JFrame;  
import java.util.*;
import java.time.format.DateTimeFormatter;  
import java.time.LocalDateTime;   
import java.nio.file.Files;
import java.nio.file.Path;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import javax.script.*;

//set classpath=mail.jar;activation.jar;.;

import java.util.Properties;  
import javax.mail.*;  
import javax.mail.internet.*; 

public class MyActionListener implements ActionListener
{
	MyFrame mf;
	MyFrame1 mf1;
	MyFrame2 mf2;
	MyFrame3 mf3;
	MyFrame4 mf4;
	MyFrame5 mf5;
	MyFrame6 mf6;
	MyFrame7 mf7;

	String email_id = "Enter your email";
	String email_password = "Enter your password";
	String main, verr, b, tran;
	int a, cot, bu2=1, bu3=1, bu4=1, bu5=1, bu6=1, bu7=1, bu8=1, bu9=1, bu10=1, bu11=1, bu12=1;
	
	MyActionListener(MyFrame m)
	{
		this.mf = m;
	}
	MyActionListener(MyFrame1 m)
	{
		this.mf1 = m;
	}
	MyActionListener(MyFrame2 m)
	{
		this.mf2 = m;
	}
	MyActionListener(MyFrame3 m)
	{
		this.mf3 = m;
	}
	MyActionListener(MyFrame4 m)
	{
		this.mf4 = m;
	}
	MyActionListener(MyFrame5 m)
	{
		this.mf5 = m;
	}
	MyActionListener(MyFrame6 m)
	{
		this.mf6 = m;
	}
	MyActionListener(MyFrame7 m)
	{
		this.mf7 = m;
	}

	public void actionPerformed(ActionEvent e)
	{
		System.out.println(e.getActionCommand());

		if(e.getActionCommand().equals("homepg"))
		{
			mf = new MyFrame();
			this.mf.setVisible(true);
			this.mf.setExtendedState(mf.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf1.setVisible(false);
			this.mf2.setVisible(false);
			this.mf3.setVisible(false);
			this.mf4.setVisible(false);
			this.mf5.setVisible(false);
			this.mf6.setVisible(false);
			this.mf7.setVisible(false);

			File directory = new File("./Student Records/Email");
	        int fileCount = directory.list().length;
	        this.mf.t1.setText(new Integer(fileCount).toString());	        
		}

		if(e.getActionCommand().equals("shut"))
		{
			System.exit(0);
		}

		if(e.getActionCommand().equals("delete"))
		{
			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc - 1;
			this.mf1.t1.setText("" + inc);
		}

		if(e.getActionCommand().equals("myImage"))
        {
        	String z = new String("./Records/list.txt");

        	try
        	{
			    FileWriter fw = new FileWriter(z, false);
			    PrintWriter pw = new PrintWriter(fw, false);
			    pw.flush();
			    pw.close();
			    fw.close();
			}
			catch(Exception exception)
			{
			    System.out.println("Exception have been caught");
			}


			mf1 = new MyFrame1();
			this.mf1.setVisible(true);
			this.mf1.setExtendedState(mf1.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf.setVisible(false);
		}

		if(e.getActionCommand().equals("Add Student"))
		{
			mf2 = new MyFrame2();
			this.mf2.setVisible(true);
			this.mf2.setExtendedState(mf2.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf.setVisible(false);
		}
		
		if(e.getActionCommand().equals("Checkout"))
		{
			mf4 = new MyFrame4();
			this.mf4.setVisible(true);
			this.mf4.setExtendedState(mf4.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf1.setVisible(false);
		}

		if(e.getActionCommand().equals("abtus"))
		{
			mf3 = new MyFrame3();
			this.mf3.setVisible(true);
			this.mf3.setExtendedState(mf3.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf.setVisible(false);
		}

		if(e.getActionCommand().equals("return"))
		{
			mf6 = new MyFrame6();
			this.mf6.setVisible(true);
			this.mf6.setExtendedState(mf6.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf.setVisible(false);
		}

		if(e.getActionCommand().equals("generate"))
		{
			String s = (this.mf4.t1.getText() + ".txt");
			String z = new String("./Student Records/" + s);
			String z2 = new String("./Student Records/Email/" + s);
			
			try 
			{
			    File myObj = new File(z2);
			    Scanner myReader = new Scanner(myObj);
			    while (myReader.hasNextLine())
			    {
			        String data = myReader.nextLine();
			        System.out.println(data);
			        this.main = data;
			    }
			    myReader.close();
		    } 
		    catch (FileNotFoundException eqq) 
		    {
			    System.out.println("An error occurred.");
			    eqq.printStackTrace();
		    }


			long min = 000001;  
			long max = 999999;  
			double a = Math.random()*(max-min+1)+min;
			int value = (int)a;
			String code=Integer.toString(value);
			this.verr = code;
			System.out.println(verr);

			String host="smtp.gmail.com";  
			final String user=email_id;
			final String password=email_password;
			String to=main;  
	  
			//Get the session object  
			Properties props = new Properties();  
			props.put("mail.smtp.host",host);  
			props.put("mail.smtp.auth", "true");
			props.put("mail.smtp.ssl.enable", "true");
		
	     
			Session session = Session.getDefaultInstance(props,  
					new javax.mail.Authenticator() 
					{  
						protected PasswordAuthentication getPasswordAuthentication() 
						{  
							return new PasswordAuthentication(user,password);  
						}  
				});  
	  
			try 
			{  
				MimeMessage message = new MimeMessage(session);  
				message.setFrom(new InternetAddress(user));  
				message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));  
				message.setSubject("Lab Component Management");  
				message.setText("Your OTP is : " + value);  
				Transport.send(message);  
				System.out.println("message sent successfully...");  
	   
			} 
			catch (MessagingException exn) 
			{
				exn.printStackTrace();
			}
		}

		if(e.getActionCommand().equals("AddStud"))
		{
			mf = new MyFrame();

			String name = this.mf2.t1.getText();
			long Enroll = Long.parseLong(this.mf2.t2.getText());
			String Mail = this.mf2.t3.getText();
			String Cls = this.mf2.t4.getText();
			
			System.out.println(name);
			System.out.println(Enroll);
			System.out.println(Mail);
			System.out.println(Cls);

			String s = new String("./Student Records/" + Enroll + ".txt");
			File file = new File(s);

			String s2 = new String("./Student Records/Email/" + Enroll + ".txt");
			File file2 = new File(s2); 

			boolean result;  
			try   
			{  
				result = file.createNewFile();  
			
				if(result)        
				{  
					System.out.println("file created "+file.getCanonicalPath());
					FileWriter myWriter = new FileWriter(s);
				    myWriter.write(name + " - " + Cls);
				    myWriter.close();  
				}  
				
				else  
				{  
					System.out.println("File already exist at location: "+file.getCanonicalPath());  
				}  
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			}

			boolean result2;  
			try   
			{  
				result2 = file2.createNewFile();   
			
				if(result2)     
				{  
					System.out.println("file created "+file2.getCanonicalPath()); 
					FileWriter myWriter2 = new FileWriter(s2);
				    myWriter2.write(Mail);
				    myWriter2.close();  
				}  
				else  
				{  
					System.out.println("File already exist at location: "+file2.getCanonicalPath());  
				}  
			}   
			
			catch (IOException est2)   
			{  
				est2.printStackTrace();   
			}

			File directory = new File("./Student Records");
	        int fileCount = directory.list().length;
	        this.mf.t1.setText(new Integer(fileCount-1).toString());


			this.mf.setVisible(true);
			this.mf.setExtendedState(mf.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf2.setVisible(false);
		}

		if(e.getActionCommand().equals("1"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);

			String swap = new String("this.mf1.b2.setIcon(new ImageIcon(this.getClass().getResource(\"Images/" + this.bu2 + ".png\")));");
			System.out.println(swap);
			this.bu2 = bu2+1;
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") 10k Ohm");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("2"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") 4.7k Ohm");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("3"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") 100k Ohm");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("4"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") 220k Ohm");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("5"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") BC547");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("6"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") BD438");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("7"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") BC847C - TP");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("8"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") BC817 - 25 - TP");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("LED"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") LED");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("Battery"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") Battery");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("Board"))
		{
			String z = new String("./Records/list.txt");

			String cart = this.mf1.t1.getText();
			int inc = Integer.parseInt(cart);
			inc = inc + 1;
			this.mf1.t1.setText("" + inc);
			
			try   
			{  
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write(inc + ") Board");
				myWriter.write("\n");
				myWriter.close();
			}   
			
			catch (IOException est)   
			{  
				est.printStackTrace();
			} 
		}

		if(e.getActionCommand().equals("verify"))
		{
			String s = (this.mf4.t1.getText() + ".txt");
			String z2 = new String("./Student Records/Email/" + s);
			String z3 = new String("./OOP-Project/Student Records/" + s);
			
			
			String host="smtp.gmail.com";  
			final String user=email_id;
			final String password=email_password;
			String to=main;
	  
			//Get the session object  
			Properties props = new Properties();  
			props.put("mail.smtp.host",host);  
			props.put("mail.smtp.auth", "true");
			props.put("mail.smtp.ssl.enable", "true");
		
	     
			Session session = Session.getDefaultInstance(props,  
					new javax.mail.Authenticator() 
					{  
						protected PasswordAuthentication getPasswordAuthentication() 
						{  
							return new PasswordAuthentication(user,password);  
						}  
				});  
	    

			try 
			{  
				DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd/MM/yyyy HH:mm:ss");  
				LocalDateTime now = LocalDateTime.now();
				String time = (dtf.format(now)).toString();



				char ch[] = new char[500];
				FileReader fr = new FileReader("./Records/list.txt");
				fr.read(ch);
				fr.close();
				String records = new String(ch);
				String record[] = records.split(" ");

				FileWriter fw=new FileWriter(z3,true);
				fw.write("\n\n");
				fw.write("ISSUED SUCCESSFULLY - " + time);
				fw.write("\n\n");
				for(int loop=0; loop<record.length ;loop++)
				{
					fw.write(""+record[loop]);
				}
				fw.close();
				
				MimeMessage message = new MimeMessage(session);  
				message.setFrom(new InternetAddress(user));  
				message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));  
				message.setSubject("Lab Component Management");  
				message.setText("Components Issued Successfully on "+ time +"\n\nList of Components is given below" + "\n\n" + records);  
				Transport.send(message);  
				
				System.out.println("message sent successfully...");

			} 
			catch (MessagingException exn) 
			{
				exn.printStackTrace();
			}
			catch (Exception aa)
			{
				System.out.println(aa);
			}	

			mf5 = new MyFrame5();
			this.mf5.setVisible(true);
			this.mf5.setExtendedState(mf5.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf4.setVisible(false);				
		}	


		if(e.getActionCommand().equals("retu"))
		{
		    
			String s = (this.mf6.t1.getText() + ".txt");
			String num = (this.mf6.t2.getText());
			String z = new String("./Student Records/" + s);
			int value = Integer.parseInt(this.mf6.t2.getText());

			try   
			{  
				DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd/MM/yyyy HH:mm:ss");  
				LocalDateTime now = LocalDateTime.now();
				String time = (dtf.format(now)).toString();
				    
				FileWriter myWriter = new FileWriter(z, true);
				myWriter.write("\n\nRETURNED SUCCESSFULLY - " + time + "\nPenalty - " + value*5);
				myWriter.close();



				FileReader fr=new FileReader("./Records/transaction.txt");    
		        int i;   
		        while((i=fr.read())!=-1) 
		        this.a = a+1;
		        FileWriter myWriter3 = new FileWriter("./Records/transaction.txt");
				myWriter3.write(String.valueOf(a));
				myWriter3.close(); 
		        fr.close(); 
			}   

			catch (IOException est1)   
			{  
				est1.printStackTrace();
			}

			
			String z2 = new String("./Student Records/Email/" + s);
			
			try 
			{
			    File myObj = new File(z2);
			    Scanner myReader = new Scanner(myObj);
			    while (myReader.hasNextLine())
			    {
			        String data = myReader.nextLine();
			        System.out.println(data);
			        this.main = data;
			    }
			    myReader.close();
		    } 
		    catch (FileNotFoundException eqq) 
		    {
			    System.out.println("An error occurred.");
			    eqq.printStackTrace();
		    }



			String host="smtp.gmail.com";  
			final String user=email_id;
			final String password=email_password; 
			String to=main;  
	  
			//Get the session object  

			Properties props = new Properties();  
			props.put("mail.smtp.host",host);  
			props.put("mail.smtp.auth", "true");
			props.put("mail.smtp.ssl.enable", "true");

			Session session = Session.getDefaultInstance(props,  
					new javax.mail.Authenticator() 
					{  
						protected PasswordAuthentication getPasswordAuthentication() 
						{  
							return new PasswordAuthentication(user,password);  
						}  
				});  
	  
			try 
			{  
				MimeMessage message = new MimeMessage(session);  
				message.setFrom(new InternetAddress(user));  
				message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));  
				message.setSubject("Lab Component Management");  
				message.setText("Dear Student, \nYou have SUCCESSFULLY RETURNED Components...\nYou have to pay " + value*5 + " to the Administration."+ "\nKeep Learning");  
				Transport.send(message);  
				System.out.println("message sent successfully...");  
	   
			} 
			catch (MessagingException exn) 
			{
				exn.printStackTrace();
			}


			mf7 = new MyFrame7();
			this.mf7.setVisible(true);
			this.mf7.setExtendedState(mf7.getExtendedState() | JFrame.MAXIMIZED_BOTH);
			this.mf6.setVisible(false);
		}
	}
}