Add an alternative getConfigParams() to access config via class references.

src/main/java/net/floodlightcontroller/core/module/FloodlightModuleContext.java

@@ -80,18 +80,23 @@ public class FloodlightModuleContext implements IFloodlightModuleContext {
 	 */
 	@Override
 	public Map<String, String> getConfigParams(IFloodlightModule module) {
-	    Map<String, String> retMap = configParams.get(module.getClass());
+		return getConfigParams(module.getClass());
+	}
+
+	@Override
+	public Map<String, String> getConfigParams(Class<? extends IFloodlightModule> moduleClass) {
+	    Map<String, String> retMap = configParams.get(moduleClass);
 	    if (retMap == null) {
 	        // Return an empty map if none exists so the module does not
 	        // need to null check the map
 	        retMap = new HashMap<String, String>();
-	        configParams.put(module.getClass(), retMap);
+	        configParams.put(moduleClass, retMap);
 	    }
 
 	    // also add any configuration parameters for superclasses, but
 	    // only if more specific configuration does not override it
 	    for (Class<? extends IFloodlightModule> c : configParams.keySet()) {
-	        if (c.isInstance(module)) {
+	        if (c.equals(moduleClass)) {
 	            for (Map.Entry<String, String> ent : configParams.get(c).entrySet()) {
 	                if (!retMap.containsKey(ent.getKey())) {
 	                    retMap.put(ent.getKey(), ent.getValue());

src/main/java/net/floodlightcontroller/core/module/IFloodlightModuleContext.java

@@ -41,7 +41,14 @@ public interface IFloodlightModuleContext {
      * @return All Floodlight modules that are going to be loaded
      */
     public Collection<IFloodlightModule> getAllModules();
-    
+
+    /**
+     * Gets module specific configuration parameters.
+     * @param moduleClass The module class to get the configuration parameters for
+     * @return A key, value map of the configuration options
+     */
+    public Map<String, String> getConfigParams(Class<? extends IFloodlightModule> moduleClass);
+
     /**
      * Gets module specific configuration parameters.
      * @param module The module to get the configuration parameters for