121 lines
4.5 KiB
Java
121 lines
4.5 KiB
Java
/**
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*
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* Copyright © 2003-2007 Jive Software, 2014-2019 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.roster.provider;
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import java.io.IOException;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.IqData;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.provider.IqProvider;
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import org.jivesoftware.smack.roster.packet.RosterPacket;
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import org.jivesoftware.smack.util.ParserUtils;
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import org.jivesoftware.smack.xml.XmlPullParser;
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import org.jivesoftware.smack.xml.XmlPullParserException;
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import org.jxmpp.jid.BareJid;
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import org.jxmpp.jid.impl.JidCreate;
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public class RosterPacketProvider extends IqProvider<RosterPacket> {
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public static final RosterPacketProvider INSTANCE = new RosterPacketProvider();
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@Override
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public RosterPacket parse(XmlPullParser parser, int initialDepth, IqData iqData, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
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RosterPacket roster = new RosterPacket();
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String version = parser.getAttributeValue("", "ver");
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roster.setVersion(version);
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outerloop: while (true) {
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XmlPullParser.Event eventType = parser.next();
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switch (eventType) {
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case START_ELEMENT:
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String startTag = parser.getName();
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switch (startTag) {
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case "item":
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RosterPacket.Item item = parseItem(parser);
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roster.addRosterItem(item);
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break;
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}
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break;
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case END_ELEMENT:
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String endTag = parser.getName();
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switch (endTag) {
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case IQ.QUERY_ELEMENT:
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if (parser.getDepth() == initialDepth) {
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break outerloop;
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}
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}
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break;
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default:
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// Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
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break;
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}
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}
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return roster;
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}
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public static RosterPacket.Item parseItem(XmlPullParser parser) throws XmlPullParserException, IOException {
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ParserUtils.assertAtStartTag(parser, RosterPacket.Item.ELEMENT);
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final int initialDepth = parser.getDepth();
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String jidString = parser.getAttributeValue("", "jid");
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String itemName = parser.getAttributeValue("", "name");
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BareJid jid = JidCreate.bareFrom(jidString);
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// Create item.
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RosterPacket.Item item = new RosterPacket.Item(jid, itemName);
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// Set status.
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String ask = parser.getAttributeValue("", "ask");
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item.setSubscriptionPending("subscribe".equals(ask));
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// Set type.
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String subscription = parser.getAttributeValue("", "subscription");
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RosterPacket.ItemType type = RosterPacket.ItemType.fromString(subscription);
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item.setItemType(type);
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// Set approval status.
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boolean approved = ParserUtils.getBooleanAttribute(parser, "approved", false);
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item.setApproved(approved);
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outerloop: while (true) {
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XmlPullParser.Event eventType = parser.next();
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switch (eventType) {
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case START_ELEMENT:
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String name = parser.getName();
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switch (name) {
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case RosterPacket.Item.GROUP:
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final String groupName = parser.nextText();
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if (groupName != null && groupName.trim().length() > 0) {
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item.addGroupName(groupName);
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}
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break;
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}
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break;
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case END_ELEMENT:
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if (parser.getDepth() == initialDepth) {
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break outerloop;
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}
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break;
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default:
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// Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
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break;
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}
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}
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ParserUtils.assertAtEndTag(parser);
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assert item != null;
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return item;
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}
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}
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