Added isSubType(qname) to ScriptNode API.

- Example:   var isType = node.isSubType("abc:someqname");

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@14225 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/jscript/ScriptNode.java

@@ -667,7 +667,7 @@ public class ScriptNode implements Serializable, Scopeable, NamespacePrefixResol
         
         return isLinkToDocument.booleanValue();
     }
-
+    
     /**
      * @return true if the Node is a Category
      */
@@ -706,7 +706,7 @@ public class ScriptNode implements Serializable, Scopeable, NamespacePrefixResol
     }
     
     /**
-     * @param aspect  The aspect name to test for (full qualified or short-name form)
+     * @param aspect  The aspect name to test for (fully qualified or short-name form)
      * @return true if the node has the aspect false otherwise
      */
     public boolean hasAspect(String aspect)
@@ -714,6 +714,19 @@ public class ScriptNode implements Serializable, Scopeable, NamespacePrefixResol
         return getAspectsSet().contains(createQName(aspect));
     }
     
+    /**
+     * @param type  The qname type to test this object against (fully qualified or short-name form)
+     * @return true if this Node is a sub-type of the specified class (or itself of that class)
+     */
+    public boolean isSubType(String type)
+    {
+        ParameterCheck.mandatoryString("Type", type);
+        
+        QName qnameType = createQName(type);
+        
+        return this.services.getDictionaryService().isSubClass(getQNameType(), qnameType);
+    }
+    
     /**
      * @return QName path to this node. This can be used for Lucene PATH: style queries
      */