Smack 1.5.1 + SMACK-73. Branch generated to include TLS support in HEAD.

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2716 b35dd754-fafc-0310-a699-88a17e54d16e

CopyOftrunk/source/org/jivesoftware/smackx/provider/RosterExchangeProvider.java

@@ -0,0 +1,90 @@
+/**
+ * $RCSfile$
+ * $Revision$
+ * $Date$
+ *
+ * Copyright 2003-2004 Jive Software.
+ *
+ * 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.provider;
+
+import java.util.ArrayList;
+
+import org.jivesoftware.smack.packet.PacketExtension;
+import org.jivesoftware.smack.provider.PacketExtensionProvider;
+import org.jivesoftware.smackx.*;
+import org.jivesoftware.smackx.packet.*;
+import org.xmlpull.v1.XmlPullParser;
+
+/**
+ *
+ * The RosterExchangeProvider parses RosterExchange packets.
+ *
+ * @author Gaston Dombiak
+ */
+public class RosterExchangeProvider implements PacketExtensionProvider {
+
+    /**
+     * Creates a new RosterExchangeProvider.
+     * ProviderManager requires that every PacketExtensionProvider has a public, no-argument constructor
+     */
+    public RosterExchangeProvider() {
+    }
+
+    /**
+     * Parses a RosterExchange packet (extension sub-packet).
+     *
+     * @param parser the XML parser, positioned at the starting element of the extension.
+     * @return a PacketExtension.
+     * @throws Exception if a parsing error occurs.
+     */
+    public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
+
+        RosterExchange rosterExchange = new RosterExchange();
+        boolean done = false;
+        RemoteRosterEntry remoteRosterEntry = null;
+		String jid = "";
+		String name = "";
+		ArrayList groupsName = new ArrayList();
+        while (!done) {
+            int eventType = parser.next();
+            if (eventType == XmlPullParser.START_TAG) {
+                if (parser.getName().equals("item")) {
+                	// Reset this variable since they are optional for each item
+					groupsName = new ArrayList();
+					// Initialize the variables from the parsed XML
+                    jid = parser.getAttributeValue("", "jid");
+                    name = parser.getAttributeValue("", "name");
+                }
+                if (parser.getName().equals("group")) {
+					groupsName.add(parser.nextText());
+                }
+            } else if (eventType == XmlPullParser.END_TAG) {
+                if (parser.getName().equals("item")) {
+					// Create packet.
+					remoteRosterEntry = new RemoteRosterEntry(jid, name, (String[]) groupsName.toArray(new String[groupsName.size()]));
+                    rosterExchange.addRosterEntry(remoteRosterEntry);
+                }
+                if (parser.getName().equals("x")) {
+                    done = true;
+                }
+            }
+        }
+
+        return rosterExchange;
+
+    }
+
+}