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package algorithmus;
import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.io.UnsupportedEncodingException;
import javax.swing.JButton;
import javax.swing.JFrame;
public class Case extends Algorithmus {
private String name = "Case";
private boolean low = true;
public String getName() {
return name;
}
public void options() {
JFrame frame = new JFrame();
frame.setLayout(null);
frame.setTitle("Case");
frame.setSize(100, 100);
frame.setResizable(false);
Checkbox cb = new Checkbox("To Lowercase");
cb.setBounds(5, 5, 100, 20);
JButton apply = new JButton("Apply");
apply.setBounds(5, 30, 75, 20);
apply.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
low = cb.getState();
}
});
frame.add(cb);
frame.add(apply);
frame.setVisible(true);
}
public String encode(String input) {
try {
if(low)
return new String(lower(input.getBytes("US-ASCII")), "US-ASCII");
else
return new String(upper(input.getBytes("US-ASCII")), "US-ASCII");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
return "Error";
}
}
public String decode(String input) {
try {
if(low)
return new String(upper(input.getBytes("US-ASCII")), "US-ASCII");
else
return new String(lower(input.getBytes("US-ASCII")), "US-ASCII");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
return "Error";
}
}
private byte[] upper(byte[] ba) {
for(int i = 0; i<ba.length; i++)
if(ba[i] > 96 && ba[i] < 123)
ba[i] -= 32;
return ba;
}
private byte[] lower(byte[] ba) {
for(int i = 0; i<ba.length; i++)
if(ba[i] > 64 && ba[i] < 91)
ba[i] += 32;
return ba;
}
}
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