1 files changed, 45 insertions, 1 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/pubsub/PubSubPacketGenerator.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/pubsub/PubSubPacketGenerator.java
index 398ec032..f72bf777 100644
--- a/src/main/java/de/thedevstack/conversationsplus/xmpp/pubsub/PubSubPacketGenerator.java
+++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/pubsub/PubSubPacketGenerator.java
@@ -4,10 +4,32 @@ import eu.siacs.conversations.xml.Element;
 import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 
 /**
- * Created by tzur on 15.01.2016.
+ * Generates the IQ packets for Pubsub Subscription as defined in XEP-0060.
+ * @see <a href="http://xmpp.org/extensions/xep-0060.html">http://xmpp.org/extensions/xep-0060.html</a>
  */
 public final class PubSubPacketGenerator {
 
+    /**
+     * Generates a pubsub publish packet.
+     * The attributes from and id are not set in here - this is added while sending the packet.
+     * <pre>
+     * <iq type='set'
+     *     from='hamlet@denmark.lit/blogbot'
+     *     to='pubsub.shakespeare.lit'
+     *     id='publish1'>
+     *   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+     *     <publish node='princely_musings'>
+     *       <item id='bnd81g37d61f49fgn581'>
+     *         ...
+     *       </item>
+     *     </publish>
+     *   </pubsub>
+     * </iq>
+     * </pre>
+     * @param nodeName the name of the publish node
+     * @param item the item element
+     * @return the generated PubSubPacket
+     */
     public static PubSubPacket generatePubSubPublishPacket(String nodeName, Element item) {
         final PubSubPacket pubsub = new PubSubPacket(IqPacket.TYPE.SET);
         final Element publish = pubsub.addChild("publish");
@@ -16,6 +38,25 @@ public final class PubSubPacketGenerator {
         return pubsub;
     }
 
+    /**
+     * Generates a pubsub retrieve packet.
+     * The attributes from and id are not set in here - this is added while sending the packet.
+     * <pre>
+     * <iq type='get'
+     *     from='romeo@montague.lit/home'
+     *     to='juliet@capulet.lit'
+     *     id='retrieve1'>
+     *   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+     *     <items node='urn:xmpp:avatar:data'>
+     *       <item id='111f4b3c50d7b0df729d299bc6f8e9ef9066971f'/>
+     *     </items>
+     *   </pubsub>
+     * </iq>
+     * </pre>
+     * @param nodeName
+     * @param item
+     * @return
+     */
     public static PubSubPacket generatePubSubRetrievePacket(String nodeName, Element item) {
         final PubSubPacket pubsub = new PubSubPacket(IqPacket.TYPE.GET);
         final Element items = pubsub.addChild("items");
@@ -26,6 +67,9 @@ public final class PubSubPacketGenerator {
         return pubsub;
     }
 
+    /**
+     * Utility class - avoid instantiation
+     */
     private PubSubPacketGenerator() {
         // Avoid instantiation
     }