Code for the Ceaser Cypher Swing GUI

Author: davidhaw

SafeFile GUI/CeaserSgui.java

@@ -0,0 +1,103 @@
+import java.awt.Dimension;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.*;
+
+public class CeaserSgui extends JFrame{
+
+	private JButton encryptC;
+	private JLabel message1;
+	//Offset for the Ceaser Cypher and multby for how much to multiply for AlphaNum
+	private JTextField offset, messageS;
+	
+		
+	public CeaserSgui() {
+		//All frame code goes here
+		createView();
+		
+		setTitle("SafeFile");
+		setDefaultCloseOperation(EXIT_ON_CLOSE);
+		setLocationRelativeTo(null);
+		setResizable(true);
+		pack();
+	}
+	
+	private void createView() {
+		
+		GridLayout layout = new GridLayout(0,3);
+		JPanel panel = new JPanel();
+		getContentPane().add(panel);
+		
+		 layout.setHgap(10);
+      layout.setVgap(10);
+      
+      panel.setLayout(layout); 
+		
+	    message1 = new JLabel();
+		//message1.setPreferredSize(
+			//new Dimension(350, 300));
+	   message1.setText("Encrypted Message: ");
+	   panel.add(message1);
+
+		//Add in the Textfield to put in the message
+		messageS = new JTextField();
+		messageS.setPreferredSize(
+			new Dimension(250, 200)
+		);
+		panel.add(messageS);
+		
+		// Add in Offset and Multby
+		offset = new JTextField();
+		panel.add(offset);
+		
+		messageS.setText("Offset for Ceaser Cypher");
+		offset.setText("Message to Encrypt");
+		
+		encryptC = new JButton("Encrypt With Ceaser Cypher");
+		encryptC.addActionListener(
+			new ButtonCounterActionListener()
+		);
+		panel.add(encryptC);
+	}
+	
+	
+	public static void main(String[] args) {
+		//Makes TryCLickme where Frame Code goes
+		SwingUtilities.invokeLater(new Runnable(){
+			@Override
+			public void run() {
+				new CeaserSgui().setVisible(true);
+			}
+		});
+	}
+	
+	private class ButtonCounterActionListener implements ActionListener {
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			int offset;
+			String offsetS = messageS.getText();
+			String enc = CeaserSgui.this.offset.getText();
+			
+			offset = Integer.parseInt(offsetS);
+			
+		     offset = offset % 26 + 26;
+		        StringBuilder encoded = new StringBuilder();
+		        for (char i : enc.toCharArray()) {
+		            if (Character.isLetter(i)) {
+		                if (Character.isUpperCase(i)) {
+		                    encoded.append((char) ('A' + (i - 'A' + offset) % 26 ));
+		                } else {
+		                    encoded.append((char) ('a' + (i - 'a' + offset) % 26 ));
+		                }
+		            } else {
+		                encoded.append(i);
+		            }
+		            
+		        }
+		        message1.setText("Encrypted Message: " + encoded.toString()); 
+	}
+	}	
+}