protected < T > T mergeXMLValue ( T oldValue , T newValue , String elementName , String key , Map < T , String > valueNames ) throws InjectionConfigurationException { if ( newValue == null ) { return oldValue ; } if ( oldValue != null && ! newValue . equals ( oldValue ) ) { Object oldValueName = valueNames == null ? oldValue : valueNames . get ( oldValue ) ; Object newValueName = valueNames == null ? newValue : valueNames . get ( newValue ) ; mergeError ( oldValueName , newValueName , true , elementName , false , key ) ; return oldValue ; } return newValue ; }
Merges a value specified in XML .