src/java.xml/share/classes/com/sun/org/apache/xerces/internal/impl/XMLStreamReaderImpl.java

rev 52881 : 8214971: Replace use of string.equals("") with isEmpty()
Reviewed-by: jlaskey, prappo, lancea, dfuchs, redestad

@@ -1049,11 +1049,11 @@
     public String getNamespacePrefix(int index) {
         if (fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT
                 || fEventType == XMLEvent.NAMESPACE) {
             //namespaceContext is dynamic object.
             String prefix = fScanner.getNamespaceContext().getDeclaredPrefixAt(index);
-            return prefix.equals("") ? null : prefix;
+            return prefix.isEmpty() ? null : prefix;
         } else {
             throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
                     + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
                     + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                     + getEventTypeString(XMLEvent.NAMESPACE)