Bug 10593 Jar export should add ".jar" suffix if not specified
Build 20020228 - select some files - export them using the jar export - enter "test" as the jar name - it creates a jar file called "test" It should use "test.jar".
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/jarpackager/JarPackageWizardPage.java
IDialogSettings settings= getDialogSettings();
		if (settings != null) {
			
			fJarPackage.setSelectedElements(getSelectedResources());
			fJarPackage.setExportClassFiles(settings.getBoolean(STORE_EXPORT_CLASS_FILES));
			fJarPackage.setExportJavaFiles(settings.getBoolean(STORE_EXPORT_JAVA_FILES));
			
			fJarPackage.setCompress(settings.getBoolean(STORE_COMPRESS));
			fJarPackage.setOverwrite(settings.getBoolean(STORE_OVERWRITE));
						
			
			String[] directoryNames= settings.getArray(STORE_DESTINATION_NAMES);
			if (directoryNames == null)
				return; 
			fJarPackage.setJarLocation(getPathFromString(directoryNames[0]));
		}
	}
	/**
	 *	Stores the widget values in the JAR package.
	 */
	protected void updateModel() {
		if (getControl() == null)
			return;
		
		
		fJarPackage.setSelectedElements(getSelectedResources());
		fJarPackage.setExportClassFiles(fExportClassFilesCheckbox.getSelection());
		fJarPackage.setExportJavaFiles(fExportJavaFilesCheckbox.getSelection());
		
		fJarPackage.setJarLocation(getPathFromString(fDestinationNamesCombo.getText()));