fJarPackage.setBuildIfNeeded(fBuildIfNeededCheckbox.getSelection());
	protected void updateModel() {		if (getControl() == null)			return;		fJarPackage.setExportWarnings(fExportWarningsCheckbox.getSelection());		fJarPackage.setExportErrors(fExportErrorsCheckbox.getSelection());		fJarPackage.setSaveDescription(fSaveDescriptionCheckbox.getSelection());		fJarPackage.setDescriptionLocation(new Path(fDescriptionFileText.getText()));		fJarPackage.setUseSourceFolderHierarchy(fUseSourceFoldersCheckbox.getSelection());	}