Java 入門指南 V2.00 - EncryptorController.java

EncryptorController.java

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package encryptor;

import java.net.URL;
import java.util.ResourceBundle;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import java.io.File;
import java.io.FileWriter;
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.IOException;
import javafx.scene.input.Clipboard;
import javafx.scene.input.ClipboardContent;

/**
 *
 * @author changkaiching
 */
public class EncryptorController implements Initializable {
    Encrypt e;
    String inputText;
    String resultText;
   
    @FXML
    private Label label03;
    @FXML
    private TextField text01;
    @FXML
    private TextField text02;
    
    public EncryptorController() {
        text01 = new TextField();
        text02 = new TextField();
        e = null;
        inputText = "";
        resultText = "";
    }
    
    @FXML
    private void newMethod(ActionEvent event) {
        e = new Encrypt();
        label03.setText(String.valueOf(e.getCode()));
    }

    @FXML
    private void loadMethod(ActionEvent event) {
        try {
            FileReader fr = new FileReader("encryptor.txt");
            BufferedReader r = new BufferedReader(fr);
            String ms = r.readLine();
            e = new Encrypt(ms);
            fr.close();
            label03.setText("Encrypt object is loaded.");
        }
        catch (IOException ex) {
            label03.setText("Encrypt object is not loaded.");
        }
        finally {
            text02.setText("after Load .....");
        }
    }    
    
    @FXML
    private void saveMethod(ActionEvent event) {
        try {
            if (e == null) {
                label03.setText("No Encrypt Object!!");
            }
            else {
                File f = new File("encryptor.txt");
                FileWriter fw = new FileWriter(f);
                fw.write(String.valueOf(e.getCode()));
                fw.close();
            }
            label03.setText("Encrypt object is saved.");
        }
        catch (IOException ex) {
            label03.setText("Encrypt object is not saved.");
        }
        finally {
            text02.setText("after Save .....");
        }
    }
    
    @FXML
    private void encodeMethod(ActionEvent event) {
        if (e == null) {
            label03.setText("No Encrypt Object!!");
        }
        else {
            inputText = text01.getText();
            if (inputText.compareTo("") == 0) {
                label03.setText("No input string!!");
            }
            else {
                resultText = e.toEncode(inputText);
                text02.setText(resultText);
                label03.setText("The result is above.");
            }
        }
     }
    
    @FXML
    private void decodeMethod(ActionEvent event) {
        if (e == null) {
            label03.setText("No Encrypt Object!!");
        }
        else {
            inputText = text01.getText();
            resultText = e.toDecode(inputText);
            text02.setText(resultText);
            label03.setText("The result is above.");
        }
    }
    
    @FXML
    private void clearMethod(ActionEvent event) {
        text01.setText("");
        text02.setText("");
        e = null;
        inputText = "";
        resultText = "";
        label03.setText("Cleared.");
    }
    
    @FXML
    private void copyMethod(ActionEvent event) {
        Clipboard clipboard = Clipboard.getSystemClipboard();
        ClipboardContent content = new ClipboardContent();
        content.putString(resultText);
        clipboard.setContent(content);
        label03.setText("Copied.");
    }
    
    @Override
    public void initialize(URL url, ResourceBundle rb) {
        // TODO
    }    
    
}

the end