Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 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 | |
| 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 | } |