Fix for issue-101. Closes #101.

Author: Lloyd Watkin

src/main/java/org/buddycloud/channelserver/channel/node/configuration/Helper.java

@@ -17,12 +17,21 @@
 public class Helper {
 	private HashMap<String, Field> elements;
 	private Factory fieldFactory;
+	private boolean allowOwner;
 
 	public  static final String FORM_TYPE = "http://jabber.org/protocol/pubsub#node_config";
 	private static final String ELEMENT_NOT_FOUND = "Required XMPP element not found";
 
 	private static final Logger LOGGER = Logger.getLogger(Helper.class);
 
+	public Helper(boolean allowOwner) {
+		this.allowOwner = true;
+	}
+	
+	public Helper() {
+		this.allowOwner = false;
+	}
+	
     public void parse(IQ request) throws NodeConfigurationException {
         try {
             parseConfiguration(getConfigurationValues(request));
@@ -39,7 +48,6 @@ public void parseEventUpdate(Message request) throws NodeConfigurationException
         try {
             parseConfiguration(getConfigurationValuesFromEvent(request));
         } catch (NullPointerException e) {
-        	e.printStackTrace();
         	LOGGER.debug(e);
         	throw new NodeConfigurationException(ELEMENT_NOT_FOUND);
         } catch (ConfigurationFieldException e) {
@@ -98,6 +106,7 @@ private void parseConfiguration(List<FormField> configurationValues) {
 		if (configurationValues.isEmpty()) {
 			return;
 		}
+		getFieldFactory().setAllowOwner(this.allowOwner);
 		for (FormField configurationValue : configurationValues) {
 			Field field = getFieldFactory().create(configurationValue.getVariable(), 
 					configurationValue.getFirstValue());

src/main/java/org/buddycloud/channelserver/channel/node/configuration/field/Factory.java

@@ -2,12 +2,18 @@
 
 public class Factory
 {	
+	private boolean allowOwner = false;
+	
+	public void setAllowOwner(boolean allowOwner) {
+		this.allowOwner = allowOwner;
+	}
+	
 	public Field create(String type, String value)
     {
     	if ((null == type) || (null == value)) {
     		throw new ConfigurationFieldException();
     	}
-    	if (type.equals("pubsub#owner")) {
+    	if (type.equals("pubsub#owner") && (false == this.allowOwner)) {
     		throw new ConfigurationFieldException();
     	} else if (type.equals(ChannelTitle.FIELD_NAME)) {
     	    ChannelTitle field = new ChannelTitle();

src/main/java/org/buddycloud/channelserver/packetprocessor/iq/namespace/discoinfo/DiscoResult.java

@@ -23,7 +23,7 @@ public class DiscoResult implements PacketProcessor<IQ> {
 
 	private FederatedQueueManager federatedQueueManager;
 	private ChannelManager channelManager;
-	private Helper helper = new Helper();
+	private Helper helper = new Helper(true);
 
 	public DiscoResult(ChannelManager channelManager,
 			FederatedQueueManager federatedQueueManager) {