public AdaptExpression(Element element) throws CoreException {
   fTypeName = element.getAttribute(ATT_TYPE);
   Expressions.checkAttribute(ATT_TYPE, fTypeName.length() > 0 ? fTypeName : null);
 }
 public SystemTestExpression(Element element) throws CoreException {
   fProperty = element.getAttribute(ATT_PROPERTY);
   Expressions.checkAttribute(ATT_PROPERTY, fProperty.length() > 0 ? fProperty : null);
   fExpectedValue = element.getAttribute(ATT_VALUE);
   Expressions.checkAttribute(ATT_VALUE, fExpectedValue.length() > 0 ? fExpectedValue : null);
 }
 public AdaptExpression(IConfigurationElement configElement) throws CoreException {
   fTypeName = configElement.getAttribute(ATT_TYPE);
   Expressions.checkAttribute(ATT_TYPE, fTypeName);
 }
 public SystemTestExpression(IConfigurationElement element) throws CoreException {
   fProperty = element.getAttribute(ATT_PROPERTY);
   Expressions.checkAttribute(ATT_PROPERTY, fProperty);
   fExpectedValue = element.getAttribute(ATT_VALUE);
   Expressions.checkAttribute(ATT_VALUE, fExpectedValue);
 }