1 /** 2 * $RCSfile$ 3 * $Revision$ 4 * $Date$ 5 * 6 * Copyright 2003-2007 Jive Software. 7 * 8 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package org.jivesoftware.smackx.provider; 22 23 import java.text.ParseException; 24 import java.util.Date; 25 26 import org.jivesoftware.smack.packet.Packet; 27 import org.jivesoftware.smack.packet.PacketExtension; 28 import org.jivesoftware.smack.provider.PacketExtensionProvider; 29 import org.jivesoftware.smack.util.StringUtils; 30 import org.jivesoftware.smackx.packet.DelayInformation; 31 import org.xmlpull.v1.XmlPullParser; 32 33 /** 34 * The DelayInformationProvider parses DelayInformation packets. 35 * 36 * @author Gaston Dombiak 37 * @author Henning Staib 38 */ 39 public class DelayInformationProvider implements PacketExtensionProvider { 40 parseExtension(XmlPullParser parser)41 public PacketExtension parseExtension(XmlPullParser parser) throws Exception { 42 String stampString = (parser.getAttributeValue("", "stamp")); 43 Date stamp = null; 44 45 try { 46 stamp = StringUtils.parseDate(stampString); 47 } 48 catch (ParseException parseExc) { 49 /* 50 * if date could not be parsed but XML is valid, don't shutdown 51 * connection by throwing an exception instead set timestamp to epoch 52 * so that it is obviously wrong. 53 */ 54 if (stamp == null) { 55 stamp = new Date(0); 56 } 57 } 58 59 60 DelayInformation delayInformation = new DelayInformation(stamp); 61 delayInformation.setFrom(parser.getAttributeValue("", "from")); 62 String reason = parser.nextText(); 63 64 /* 65 * parser.nextText() returns empty string if there is no reason. 66 * DelayInformation API specifies that null should be returned in that 67 * case. 68 */ 69 reason = "".equals(reason) ? null : reason; 70 delayInformation.setReason(reason); 71 72 return delayInformation; 73 } 74 } 75