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 | package test;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.math.BigInteger;
 
import org.apache.xerces.parsers.DOMParser;
import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.XMLSerializer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageLoader;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
import test2.language.ILanguageKeys;
import test2.language.LanguageManager;
import test2.utils.RSAManager;
import test2.utils.StegaManager;
import test2.views.FPStegano;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
 
 
public class SWTApplication {
	public static final String SAMPLE_LOCATION = "test2/data/sample.txt";
	public static final String XML_RSA_KEYS_MODELE_LOCATION = "test2/data/rsa.keys.xml";
	protected static final String XML_BALISE_RSA_PUBLIC_KEY = "public-key";
	protected static final String XML_BALISE_RSA_PRIVATE_KEY = "private-key";
	protected static final Object XML_BALISE_RSA_KEYS_PAIR = "rsa-keys-pair";
	private FPStegano fpStegano;
	private RSAManager rsaManager;
	private StegaManager stegaManager;
	private SelectionListener buttonLoadSelectionListener;
	private SelectionListener loadMenuItemGenerateKeysSelectionListener;
	private SelectionListener buttonEncodeSelectionListener;
	private SelectionListener buttonDecodeSelectionListener;
	private SelectionListener loadMenuItemImageSelectionListener;
	private SelectionListener buttonExtractImageSelectionListener;
	private SelectionListener buttonInsertImageSelectionListener;
	private SelectionListener buttonSaveSelectionListener;
	private SelectionListener saveMenuItemImageSelectionListener;
	private SelectionListener saveMenuItemKeysSelectionListener;
	private SelectionListener loadMenuItemKeysSelectionListener;
	public SWTApplication() {
		rsaManager = new RSAManager();
		stegaManager = new StegaManager();
		Display display = new Display();
		Shell shellParent = new Shell( display );
		this.fpStegano = new FPStegano( shellParent );
		addSample();
		startListening();
 
		fpStegano.getShell().open();
 
		while( ! fpStegano.getShell().isDisposed() ){
			try{
				if( ! display.readAndDispatch() ){
					display.sleep();
				}
			}catch (Exception e) {
				fpStegano.error(LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR ), e.getMessage() != null ? e.getMessage() : e.toString());
			}
		}
	}
	private void addSample() {
		BufferedReader br = null;
		String l = ClassLoader.getSystemClassLoader().getResource("").getPath();
		try{
			br = new BufferedReader( new FileReader( l + SAMPLE_LOCATION ));
			String line = null;
			StringBuffer sb = new StringBuffer();
			while( ( line =  br.readLine() ) != null ){
				sb.append(line);
			}
			getFpStegano().getTextAreaMessage().setText( sb.toString());
		}
		catch (Exception e) {}
		finally{
			if( br != null )
				try{
					br.close();
				}catch (Exception e) {}
		}
	}
	private void startListening() {
		getFpStegano().getButtonLoad().addSelectionListener( getButtonLoadSelectionListener());
 
		getFpStegano().getButtonSave().addSelectionListener( getButtonSaveSelectionListener());
 
		getFpStegano().getLoadMenuItemGenerateKeys().addSelectionListener( getLoadMenuItemGenerateKeysSelectionListener());
 
		getFpStegano().getButtonEncode().addSelectionListener( getButtonEncodeSelectionListener());
 
		getFpStegano().getButtonDecode().addSelectionListener( getButtonDecodeSelectionListener());
 
		getFpStegano().getLoadMenuItemImage().addSelectionListener( getLoadMenuItemImageSelectionListener());
 
		getFpStegano().getLoadMenuItemKeys().addSelectionListener( getLoadMenuItemKeysSelectionListener());
 
		getFpStegano().getButtonExtract().addSelectionListener( getButtonExtractImageSelectionListener());
 
		getFpStegano().getButtonInsert().addSelectionListener( getButtonInsertImageSelectionListener());
 
		getFpStegano().getSaveMenuItemImage().addSelectionListener( getSaveMenuItemImageSelectionListener());
 
		getFpStegano().getSaveMenuItemKeys().addSelectionListener( getSaveMenuItemKeysSelectionListener());
	}
	private SelectionListener getSaveMenuItemKeysSelectionListener() {
		if( saveMenuItemKeysSelectionListener == null ){
			saveMenuItemKeysSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					if( rsaManager.getPublicKey() != null ){
						FileDialog fs = new FileDialog(getFpStegano().getShell(), SWT.SAVE );
						fs.setFilterExtensions( new String[]{"*.xml"} );
						fs.setFilterNames( new String[]{"XML"} );
						String fileName = fs.open();
						if( fileName != null ){
							try{
								DOMParser p = new DOMParser();
								p.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
								String l = ClassLoader.getSystemClassLoader().getResource("").getPath();
								p.parse(l + XML_RSA_KEYS_MODELE_LOCATION);						
								Document document = p.getDocument();
								Element root = document.getDocumentElement();
 
								Element publicKey = document.createElement(XML_BALISE_RSA_PUBLIC_KEY);
								BigInteger bi = new BigInteger( rsaManager.getPublicKey().getEncoded() );
								Text text = document.createTextNode( bi.toString());
								publicKey.appendChild( text );
								root.appendChild( publicKey );
 
								if( rsaManager.getPrivateKey() != null ){
									if( getFpStegano().confirm(LanguageManager.getLanguage( ILanguageKeys.KEY_CONFIRM_EXPORT_PRIVATE_KEY_TITLE ), LanguageManager.getLanguage( ILanguageKeys.KEY_CONFIRM_EXPORT_PRIVATE_KEY_MESSAGE )) ){
										Element privateKey = document.createElement(XML_BALISE_RSA_PRIVATE_KEY);
										bi = new BigInteger( rsaManager.getPrivateKey().getEncoded() );
										text = document.createTextNode( bi.toString());
										privateKey.appendChild( text );
										root.appendChild( privateKey );
									}
								}
								OutputFormat format = new OutputFormat(document);
								format.setIndenting(true);
 
								FileOutputStream o = new FileOutputStream(new File(fileName));
 
								XMLSerializer serializer = new XMLSerializer(o, format);
 
								serializer.serialize(document);
 
								o.close();
							}catch (Exception ex) {
								getFpStegano().error(LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR ), LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR_MESSAGE_SAVING_KEYS ) + "\n" + ex.getMessage() );
							}
						}
					}
				}				
			};
		}
		return saveMenuItemKeysSelectionListener;
	}
	private SelectionListener getLoadMenuItemKeysSelectionListener() {
		if( loadMenuItemKeysSelectionListener == null ){
			loadMenuItemKeysSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					FileDialog fs = new FileDialog(getFpStegano().getShell(), SWT.SAVE );
					fs.setFilterExtensions( new String[]{"*.xml"} );
					fs.setFilterNames( new String[]{"XML"} );
					String fileName = fs.open();
					if( fileName != null ){
						try{
							getFpStegano().getButtonDecode().setEnabled(false);
							getFpStegano().getButtonEncode().setEnabled(false);
							DOMParser p = new DOMParser();
							p.parse(fileName);						
							Document document = p.getDocument();
							Element root = document.getDocumentElement();
							if( root.getNodeName().equals(XML_BALISE_RSA_KEYS_PAIR) ){
								if( root.getElementsByTagName(XML_BALISE_RSA_PUBLIC_KEY).getLength() == 1 ){
									Element publicKey = (Element) root.getElementsByTagName(XML_BALISE_RSA_PUBLIC_KEY).item(0);
									String text = ((Text)publicKey.getFirstChild()).getData();
									BigInteger bi = new BigInteger(text);
									rsaManager.setPublicKey( bi.toByteArray() );
									getFpStegano().getButtonEncode().setEnabled(true);
									getFpStegano().getTextAreaPublicKey().setText( text );
								}
								if( root.getElementsByTagName(XML_BALISE_RSA_PRIVATE_KEY).getLength() == 1 ){
									Element privateKey = (Element) root.getElementsByTagName(XML_BALISE_RSA_PRIVATE_KEY).item(0);
									String text = ((Text)privateKey.getFirstChild()).getData();
									BigInteger bi = new BigInteger(text);
									rsaManager.setPrivateKey( bi.toByteArray() );
									getFpStegano().getButtonDecode().setEnabled(true);
									getFpStegano().getTextAreaPrivateKey().setText( text );
								}
							}else{
								getFpStegano().error(LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR ), LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR_MESSAGE_SAVING_KEYS ) + "\nBalise " + XML_BALISE_RSA_KEYS_PAIR + " not found.");
							}
						}catch (Exception ex) {
							getFpStegano().error(LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR ), LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR_MESSAGE_LOADING_KEYS ) + "\n" + ex.getMessage() );
						}
					}
				}
			};
		}
		return loadMenuItemKeysSelectionListener;
	}
 
	private SelectionListener getSaveMenuItemImageSelectionListener() {
		if( saveMenuItemImageSelectionListener == null ){
			saveMenuItemImageSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					if( stegaManager.getImage() != null ){
						FileDialog fs = new FileDialog(getFpStegano().getShell(), SWT.SAVE );
						fs.setFilterExtensions( new String[]{"*.bmp"} );
						fs.setFilterNames( new String[]{"Bitmap"} );
						String fileName = fs.open();
						if( fileName != null ){
							ImageLoader imageLoader = new ImageLoader();
							imageLoader.data = new ImageData[] { stegaManager.getImage() };
							imageLoader.save(fileName,SWT.IMAGE_BMP);
						}
					}
				}				
			};
		}
		return saveMenuItemImageSelectionListener;
	}
	private SelectionListener getButtonSaveSelectionListener() {
		if( buttonSaveSelectionListener == null ){
			buttonSaveSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					getFpStegano().getSaveMenu().setVisible(true);
				}				
			};
		}
		return buttonSaveSelectionListener;
	}
	private SelectionListener getButtonExtractImageSelectionListener() {
		if( buttonExtractImageSelectionListener == null ){
			buttonExtractImageSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					getFpStegano().getTextAreaMessage().setText( new String( stegaManager.extractBytes() ) );
				}				
			};
		}
		return buttonExtractImageSelectionListener;
	}
	private SelectionListener getButtonInsertImageSelectionListener() {
		if( buttonInsertImageSelectionListener == null ){
			buttonInsertImageSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					stegaManager.insertBytes( getFpStegano().getTextAreaMessage().getText().getBytes() );
					Image image = new Image(null, stegaManager.getImage());
					getFpStegano().oldXSelection = 0;
					getFpStegano().oldYSelection = 0;
					getFpStegano().getCompositeImage().setBounds(0, 0, stegaManager.getImage().width, stegaManager.getImage().height);
                                        getFpStegano().getCompositeImage().getData(); //image);
					getFpStegano().getCompositeImage().getParent().getVerticalBar().setSelection(0);
					getFpStegano().getCompositeImage().getParent().getVerticalBar().setMaximum(stegaManager.getImage().height);
					getFpStegano().getCompositeImage().getParent().getHorizontalBar().setSelection(0);
					getFpStegano().getCompositeImage().getParent().getHorizontalBar().setMaximum(stegaManager.getImage().width);
				}				
			};
		}
		return buttonInsertImageSelectionListener;
	}
	private SelectionListener getLoadMenuItemImageSelectionListener() {
		if( loadMenuItemImageSelectionListener == null ){
			loadMenuItemImageSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					FileDialog fs = new FileDialog(getFpStegano().getShell(), SWT.OPEN );
					fs.setFilterExtensions( new String[]{"*.bmp"} );
					fs.setFilterNames( new String[]{"Bitmap"} );
					String fileName = fs.open();
					if( fileName != null ){
						Image image = new Image(null, fileName);
						ImageData imageData = new ImageData(fileName);
						stegaManager.setImage( imageData );
						getFpStegano().oldXSelection = 0;
						getFpStegano().oldYSelection = 0;
						getFpStegano().getCompositeImage().setBounds(0, 0, imageData.width, imageData.height);
						getFpStegano().getCompositeImage().getData(); //setBackgroundImage(image);
						getFpStegano().getCompositeImage().getParent().getVerticalBar().setSelection(0);
						getFpStegano().getCompositeImage().getParent().getVerticalBar().setMaximum(imageData.height);
						getFpStegano().getCompositeImage().getParent().getHorizontalBar().setSelection(0);
						getFpStegano().getCompositeImage().getParent().getHorizontalBar().setMaximum(imageData.width);
						getFpStegano().getButtonInsert().setEnabled(true);
						getFpStegano().getButtonExtract().setEnabled(true);
					}
				}				
			};
		}
		return loadMenuItemImageSelectionListener;
	}
	private SelectionListener getButtonEncodeSelectionListener() {
		if( buttonEncodeSelectionListener == null ){
			buttonEncodeSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					if( rsaManager.getPublicKey() != null ){
						getFpStegano().getTextAreaMessage().setText(rsaManager.codeFullStringInString(getFpStegano().getTextAreaMessage().getText()));
					}
				}				
			};
		}
		return buttonEncodeSelectionListener;
	}
	private SelectionListener getButtonDecodeSelectionListener() {
		if( buttonDecodeSelectionListener == null ){
			buttonDecodeSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					if( rsaManager.getPrivateKey() != null ){
						getFpStegano().getTextAreaMessage().setText( rsaManager.decodeStringInString( getFpStegano().getTextAreaMessage().getText() ) );
					}
				}				
			};
		}
		return buttonDecodeSelectionListener;
	}
	private SelectionListener getLoadMenuItemGenerateKeysSelectionListener() {
		if( loadMenuItemGenerateKeysSelectionListener == null ){
			loadMenuItemGenerateKeysSelectionListener = new SelectionListener(){
				private int keySize = 0;
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					final Shell shell = new Shell(getFpStegano().getShell(), SWT.DIALOG_TRIM);
					shell.setBounds(new Rectangle(0, 0, 300, 150));
					shell.setText( LanguageManager.getLanguage(ILanguageKeys.KEY_GENERATE_KEYS_DIALOG_TITLE));
					final Combo selectKeySize = new Combo(shell, SWT.NONE);
					String[] values = LanguageManager.getEnvironment(ILanguageKeys.KEY_SIZE_KEYS).split("-");
					for(String value : values)
						selectKeySize.add(value);
					keySize = Integer.valueOf( values[0] );
					selectKeySize.select(0);
					selectKeySize.setBounds(new Rectangle(100, 20, 100, 25));
					Button buttonOk = new Button(shell, SWT.NONE);
					buttonOk.setBounds(new Rectangle(105, 50, 80, 25));
					buttonOk.setText("Ok");
					buttonOk.addSelectionListener( new SelectionListener(){
						public void widgetDefaultSelected(SelectionEvent e) {}
						public void widgetSelected(SelectionEvent e) {
							keySize = Integer.valueOf( selectKeySize.getText() );
							shell.dispose();
						}
					});
					shell.open();
					while( ! shell.isDisposed() ){
						if( ! shell.getDisplay().readAndDispatch() ){
							shell.getDisplay().sleep();
						}
					}
 
					rsaManager.setKeySize(keySize);
					try{
						rsaManager.generateKeyPair();
					}catch (Exception ex) {
						getFpStegano().error(LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR ), LanguageManager.getLanguage( ILanguageKeys.KEY_ERROR_MESSAGE_GENERATING_KEYS ) + "\n" + ex.getMessage());
					}
					if( rsaManager.getPrivateKeyInBytes() != null && rsaManager.getPublicKeyInBytes() != null ){
						BigInteger prk = new BigInteger(rsaManager.getPrivateKeyInBytes());
						BigInteger pbk = new BigInteger(rsaManager.getPublicKeyInBytes());
						getFpStegano().getTextAreaPrivateKey().setText( prk.toString());
						getFpStegano().getTextAreaPublicKey().setText( pbk.toString());
						getFpStegano().getButtonEncode().setEnabled(true);
						getFpStegano().getButtonDecode().setEnabled(true);
					}
				}				
			};
		}
		return loadMenuItemGenerateKeysSelectionListener;
	}
	private SelectionListener getButtonLoadSelectionListener() {
		if( buttonLoadSelectionListener == null ){
			buttonLoadSelectionListener = new SelectionListener(){
				public void widgetDefaultSelected(SelectionEvent e) {}
				public void widgetSelected(SelectionEvent e) {
					getFpStegano().getLoadMenu().setVisible(true);
				}				
			};
		}
		return buttonLoadSelectionListener;
	}
	public static void main(String[] args) throws Exception{
           // System.out.println(System.getProperty("java.library.path"));
		new SWTApplication();
	}
	public FPStegano getFpStegano() {
		return fpStegano;
	}
} | 
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