smack_1_5_1

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2639 b35dd754-fafc-0310-a699-88a17e54d16e

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

@@ -0,0 +1,71 @@
+/**
+ * $RCSfile$
+ * $Revision$
+ * $Date$
+ *
+ * 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 org.jivesoftware.smack.packet.PacketExtension;
+import org.jivesoftware.smack.provider.PacketExtensionProvider;
+import org.jivesoftware.smackx.packet.DelayInformation;
+import org.xmlpull.v1.XmlPullParser;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+/**
+ * The DelayInformationProvider parses DelayInformation packets.
+ *
+ * @author Gaston Dombiak
+ */
+public class DelayInformationProvider implements PacketExtensionProvider {
+
+    /**
+     * Creates a new DeliveryInformationProvider.
+     * ProviderManager requires that every PacketExtensionProvider has a public, no-argument
+     * constructor
+     */
+    public DelayInformationProvider() {
+    }
+
+    public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
+        Date stamp = null;
+        try {
+            stamp = DelayInformation.UTC_FORMAT.parse(parser.getAttributeValue("", "stamp"));
+        } catch (ParseException e) {
+            // Try again but assuming that the date follows JEP-82 format
+            // (Jabber Date and Time Profiles) 
+            try {
+                stamp = DelayInformation.NEW_UTC_FORMAT
+                        .parse(parser.getAttributeValue("", "stamp"));
+            } catch (ParseException e1) {
+                // Last attempt. Try parsing the date assuming that it does not include milliseconds
+                SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
+                formatter.setTimeZone(TimeZone.getTimeZone("UTC"));
+                stamp = formatter.parse(parser.getAttributeValue("", "stamp"));
+            }
+        }
+        DelayInformation delayInformation = new DelayInformation(stamp);
+        delayInformation.setFrom(parser.getAttributeValue("", "from"));
+        delayInformation.setReason(parser.nextText());
+        return delayInformation;
+    }
+
+}