Allow namespace prefixes of attributes to be emitted

Complements 44a7366.

See #377.

Author: dr0i

metafacture-xml/src/main/java/org/metafacture/xml/GenericXmlHandler.java

@@ -165,7 +165,11 @@ private void writeAttributes(final Attributes attributes) {
         final int length = attributes.getLength();
 
         for (int i = 0; i < length; ++i) {
-            final String name = attributes.getLocalName(i);
+            String name;
+            if (emitNamespace) {
+                name = attributes.getQName(i);
+            } else
+                name = attributes.getLocalName(i);
             final String value = attributes.getValue(i);
             getReceiver().literal(name, value);
         }

metafacture-xml/src/test/java/org/metafacture/xml/GenericXMLHandlerTest.java

@@ -132,12 +132,14 @@ public void shouldEmitPCDataAsALiteralNamedValue() {
     }
 
     @Test
-    public void shouldEmitNamespaceOnEntityElement() {
+    public void shouldEmitNamespaceOnEntityElementAndAttribute() {
         genericXmlHandler.setEmitNamespace(true);
+        attributes.addAttribute("", "attr", "ns:attr", "CDATA", "attr-value");
         genericXmlHandler.startElement("", "record", "record", attributes);
         genericXmlHandler.startElement("", "entity", "ns:entity", attributes);
 
         final InOrder ordered = inOrder(receiver);
         ordered.verify(receiver).startEntity("ns:entity");
+        ordered.verify(receiver).literal("ns:attr","attr-value");
     }
 }