Index: /home/ntoper/workspace/jackrabbit/src/main/java/org/apache/jackrabbit/api/JackrabbitNodeTypeManager.java
===================================================================
--- /home/ntoper/workspace/jackrabbit/src/main/java/org/apache/jackrabbit/api/JackrabbitNodeTypeManager.java	(revision 426652)
+++ /home/ntoper/workspace/jackrabbit/src/main/java/org/apache/jackrabbit/api/JackrabbitNodeTypeManager.java	(working copy)
@@ -23,6 +23,8 @@
 import javax.jcr.nodetype.NodeType;
 import javax.jcr.nodetype.NodeTypeManager;
 
+import org.apache.jackrabbit.name.IllegalNameException;
+import org.apache.jackrabbit.name.UnknownPrefixException;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
@@ -71,5 +73,17 @@
      */
     NodeType[] registerNodeTypes(InputStream in, String contentType)
         throws IOException, RepositoryException;
+    
+    /**
+     * Check if a given name is registered or not. 
+     * 
+     * 
+     * @param name the name to check
+     * @return true if registered. Otherwise: false
+     * @throws UnknownPrefixException 
+     * @throws IllegalNameException 
+     */
+    
+    boolean hasNodeType(String name) throws IllegalNameException, UnknownPrefixException;
 
 }
Index: /home/ntoper/workspace/jackrabbit/src/main/java/org/apache/jackrabbit/core/nodetype/NodeTypeManagerImpl.java
===================================================================
--- /home/ntoper/workspace/jackrabbit/src/main/java/org/apache/jackrabbit/core/nodetype/NodeTypeManagerImpl.java	(revision 426652)
+++ /home/ntoper/workspace/jackrabbit/src/main/java/org/apache/jackrabbit/core/nodetype/NodeTypeManagerImpl.java	(working copy)
@@ -421,6 +421,11 @@
             throw new IOException(e.getMessage());
         }
     }
+    
+    public boolean hasNodeType(String name) throws IllegalNameException, UnknownPrefixException {
+        QName qname = NameFormat.parse(name, nsResolver);
+        return this.getNodeTypeRegistry().isRegistered(qname);
+    }
 
     //-------------------------------------------------------------< Dumpable >
     /**
@@ -431,4 +436,6 @@
         ps.println();
         ntReg.dump(ps);
     }
+
+   
 }