Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | /**
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| 2 | * $Revision$
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| 3 | * $Date$
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| 4 | *
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| 5 | * Copyright 2003-2007 Jive Software.
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| 6 | *
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| 7 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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| 8 | * you may not use this file except in compliance with the License.
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| 9 | * You may obtain a copy of the License at
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| 10 | *
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| 11 | * http://www.apache.org/licenses/LICENSE-2.0
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| 12 | *
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| 13 | * Unless required by applicable law or agreed to in writing, software
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| 14 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 16 | * See the License for the specific language governing permissions and
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| 17 | * limitations under the License.
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| 18 | */
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| 19 |
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| 20 | package org.jivesoftware.smackx.workgroup.packet;
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| 21 |
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| 22 | import org.jivesoftware.smack.packet.PacketExtension;
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| 23 | import org.jivesoftware.smack.provider.PacketExtensionProvider;
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| 24 | import org.xmlpull.v1.XmlPullParser;
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| 25 |
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| 26 | /**
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| 27 | * An IQ packet that encapsulates both types of workgroup queue
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| 28 | * status notifications -- position updates, and estimated time
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| 29 | * left in the queue updates.
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| 30 | */
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| 31 | public class QueueUpdate implements PacketExtension {
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| 32 |
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| 33 | /**
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| 34 | * Element name of the packet extension.
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| 35 | */
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| 36 | public static final String ELEMENT_NAME = "queue-status";
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| 37 |
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| 38 | /**
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| 39 | * Namespace of the packet extension.
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| 40 | */
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| 41 | public static final String NAMESPACE = "http://jabber.org/protocol/workgroup";
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| 42 |
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| 43 | private int position;
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| 44 | private int remainingTime;
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| 45 |
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| 46 | public QueueUpdate(int position, int remainingTime) {
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| 47 | this.position = position;
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| 48 | this.remainingTime = remainingTime;
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| 49 | }
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| 50 |
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| 51 | /**
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| 52 | * Returns the user's position in the workgroup queue, or -1 if the
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| 53 | * value isn't set on this packet.
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| 54 | *
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| 55 | * @return the position in the workgroup queue.
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| 56 | */
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| 57 | public int getPosition() {
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| 58 | return this.position;
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| 59 | }
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| 60 |
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| 61 | /**
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| 62 | * Returns the user's estimated time left in the workgroup queue, or
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| 63 | * -1 if the value isn't set on this packet.
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| 64 | *
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| 65 | * @return the estimated time left in the workgroup queue.
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| 66 | */
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| 67 | public int getRemaingTime() {
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| 68 | return remainingTime;
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| 69 | }
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| 70 |
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| 71 | public String toXML() {
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| 72 | StringBuilder buf = new StringBuilder();
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| 73 | buf.append("<queue-status xmlns=\"http://jabber.org/protocol/workgroup\">");
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| 74 | if (position != -1) {
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| 75 | buf.append("<position>").append(position).append("</position>");
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| 76 | }
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| 77 | if (remainingTime != -1) {
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| 78 | buf.append("<time>").append(remainingTime).append("</time>");
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| 79 | }
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| 80 | buf.append("</queue-status>");
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| 81 | return buf.toString();
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| 82 | }
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| 83 |
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| 84 | public String getElementName() {
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| 85 | return ELEMENT_NAME;
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| 86 | }
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| 87 |
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| 88 | public String getNamespace() {
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| 89 | return NAMESPACE;
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| 90 | }
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| 91 |
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| 92 | public static class Provider implements PacketExtensionProvider {
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| 93 |
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| 94 | public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
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| 95 | boolean done = false;
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| 96 | int position = -1;
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| 97 | int timeRemaining = -1;
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| 98 | while (!done) {
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| 99 | parser.next();
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| 100 | String elementName = parser.getName();
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| 101 | if (parser.getEventType() == XmlPullParser.START_TAG && "position".equals(elementName)) {
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| 102 | try {
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| 103 | position = Integer.parseInt(parser.nextText());
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| 104 | }
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| 105 | catch (NumberFormatException nfe) {
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| 106 | }
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| 107 | }
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| 108 | else if (parser.getEventType() == XmlPullParser.START_TAG && "time".equals(elementName)) {
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| 109 | try {
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| 110 | timeRemaining = Integer.parseInt(parser.nextText());
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| 111 | }
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| 112 | catch (NumberFormatException nfe) {
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| 113 | }
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| 114 | }
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| 115 | else if (parser.getEventType() == XmlPullParser.END_TAG && "queue-status".equals(elementName)) {
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| 116 | done = true;
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| 117 | }
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| 118 | }
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| 119 | return new QueueUpdate(position, timeRemaining);
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| 120 | }
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| 121 | }
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| 122 | } |