Added missing EventModelFactory to avoid error:

  java.lang.IllegalStateException: Event model doesn't contain the definition for org.apache.fop.accessibility.AccessibilityEventProducer

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@830476 13f79535-47bb-0310-9956-ffa450edef68

src/java/META-INF/services/org.apache.fop.events.model.EventModelFactory

@@ -5,3 +5,4 @@ org.apache.fop.render.pcl.PCLEventProducer$EventModelFactory
 org.apache.fop.render.pdf.PDFEventProducer$EventModelFactory
 org.apache.fop.render.ps.PSEventProducer$EventModelFactory
 org.apache.fop.render.rtf.RTFEventProducer$EventModelFactory
+org.apache.fop.accessibility.AccessibilityEventProducer$EventModelFactory

src/java/org/apache/fop/accessibility/AccessibilityEventProducer.java

@@ -21,6 +21,8 @@ package org.apache.fop.accessibility;
 
 import org.apache.fop.events.EventBroadcaster;
 import org.apache.fop.events.EventProducer;
+import org.apache.fop.events.model.AbstractEventModelFactory;
+import org.apache.fop.events.model.EventModel;
 
 /**
  * Event producer for accessibility-related events.
@@ -44,6 +46,16 @@ public interface AccessibilityEventProducer extends EventProducer {
         }
     }
 
+    /** Event model factory for Accessibility. */
+    public static class EventModelFactory extends AbstractEventModelFactory {
+
+        /** {@inheritDoc} */
+        public EventModel createEventModel() {
+            return loadModel(getClass(), "event-model.xml");
+        }
+
+    }
+
     /**
      * The structure tree is missing in the XML file.
      *