120 lines
3.8 KiB
Java
120 lines
3.8 KiB
Java
/**
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*
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* Copyright 2016 Fernando Ramirez
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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.smackx.mam.provider;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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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.xml.XmlPullParser;
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import org.jivesoftware.smack.xml.XmlPullParserException;
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import org.jivesoftware.smackx.mam.element.MamPrefsIQ;
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import org.jivesoftware.smackx.mam.element.MamPrefsIQ.DefaultBehavior;
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import org.jxmpp.jid.Jid;
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import org.jxmpp.jid.impl.JidCreate;
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/**
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* MAM Preferences IQ Provider class.
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*
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* @see <a href="http://xmpp.org/extensions/xep-0313.html">XEP-0313: Message
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* Archive Management</a>
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* @author Fernando Ramirez
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*
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*/
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public class MamPrefsIQProvider extends IQProvider<MamPrefsIQ> {
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@Override
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public MamPrefsIQ parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
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String iqType = parser.getAttributeValue("", "type");
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String defaultBehaviorString = parser.getAttributeValue("", "default");
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DefaultBehavior defaultBehavior = null;
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if (defaultBehaviorString != null) {
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defaultBehavior = DefaultBehavior.valueOf(defaultBehaviorString);
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}
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if (iqType == null) {
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iqType = "result";
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}
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List<Jid> alwaysJids = null;
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List<Jid> neverJids = null;
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outerloop: while (true) {
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final XmlPullParser.Event eventType = parser.next();
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switch (eventType) {
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case START_ELEMENT:
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final String name = parser.getName();
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switch (name) {
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case "always":
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alwaysJids = iterateJids(parser);
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break;
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case "never":
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neverJids = iterateJids(parser);
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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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return new MamPrefsIQ(alwaysJids, neverJids, defaultBehavior);
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}
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private static List<Jid> iterateJids(XmlPullParser parser) throws XmlPullParserException, IOException {
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List<Jid> jids = new ArrayList<>();
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int initialDepth = parser.getDepth();
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outerloop: while (true) {
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final XmlPullParser.Event eventType = parser.next();
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switch (eventType) {
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case START_ELEMENT:
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final String name = parser.getName();
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switch (name) {
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case "jid":
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parser.next();
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jids.add(JidCreate.from(parser.getText()));
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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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return jids;
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}
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}
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