fJarPackage.setExportClassFiles(fExportClassFilesCheckbox.getSelection()); fJarPackage.setExportJavaFiles(fExportJavaFilesCheckbox.getSelection());
	protected void updateModel() {		if (getControl() == null)			return;				// source		fJarPackage.setElements(getSelectedElements());		fJarPackage.setExportClassFiles(fExportClassFilesCheckbox.getSelection());		fJarPackage.setExportJavaFiles(fExportJavaFilesCheckbox.getSelection());		// destination		String comboText= fDestinationNamesCombo.getText();		IPath path= new Path(comboText);		if (path.segmentCount() > 0 && ensureTargetFileIsValid(path.toFile()) && path.getFileExtension() == null) //$NON-NLS-1$			// append .jar			path= path.addFileExtension(JarPackagerUtil.JAR_EXTENSION);		fJarPackage.setJarLocation(path);		// options		fJarPackage.setCompress(fCompressCheckbox.getSelection());		fJarPackage.setOverwrite(fOverwriteCheckbox.getSelection());	}