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diff --git a/src/org/jivesoftware/smackx/pubsub/SubscribeOptionFields.java b/src/org/jivesoftware/smackx/pubsub/SubscribeOptionFields.java
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+/**
+ * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jivesoftware.smackx.pubsub;
+
+import java.util.Calendar;
+
+/**
+ * Defines the possible field options for a subscribe options form as defined 
+ * by <a href="http://xmpp.org/extensions/xep-0060.html#registrar-formtypes-subscribe">Section 16.4.2</a>.
+ * 
+ * @author Robin Collier
+ */
+public enum SubscribeOptionFields
+{
+	/**
+	 * Whether an entity wants to receive or disable notifications
+	 * 
+	 * <p><b>Value: boolean</b></p>
+	 */
+	deliver,
+
+	/**
+	 * Whether an entity wants to receive digests (aggregations) of 
+	 * notifications or all notifications individually.
+	 * 
+	 * <p><b>Value: boolean</b></p>
+	 */
+	digest,
+	
+	/**
+	 * The minimum number of seconds between sending any two notifications digests
+	 * 
+	 * <p><b>Value: int</b></p>
+	 */
+	digest_frequency,
+
+	/**
+	 * The DateTime at which a leased subsscription will end ro has ended.
+	 * 
+	 * <p><b>Value: {@link Calendar}</b></p>
+	 */
+	expire,
+
+	/**
+	 * Whether an entity wants to receive an XMPP message body in addition to 
+	 * the payload format.
+	 *
+	 * <p><b>Value: boolean</b></p>
+	 */
+	include_body,
+	
+	/**
+	 * The presence states for which an entity wants to receive notifications.
+	 *
+	 * <p><b>Value: {@link PresenceState}</b></p>
+	 */
+	show_values,
+	
+	/**
+	 * 
+	 * 
+	 * <p><b>Value: </b></p>
+	 */
+	subscription_type,
+	
+	/**
+	 * 
+	 * <p><b>Value: </b></p>
+	 */
+	subscription_depth;
+	
+	public String getFieldName()
+	{
+		if (this == show_values)
+			return "pubsub#" + toString().replace('_', '-');
+		return "pubsub#" + toString();
+	}
+	
+	static public SubscribeOptionFields valueOfFromElement(String elementName)
+	{
+		String portion = elementName.substring(elementName.lastIndexOf('#' + 1));
+		
+		if ("show-values".equals(portion))
+			return show_values;
+		else
+			return valueOf(portion);
+	}
+}