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72 lines
2.7 KiB
Java
72 lines
2.7 KiB
Java
/**
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*
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* Copyright 2017 Paul Schaub
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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.omemo.provider;
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import static org.jivesoftware.smackx.omemo.element.OmemoDeviceListElement.DEVICE;
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import static org.jivesoftware.smackx.omemo.element.OmemoDeviceListElement.ID;
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import static org.jivesoftware.smackx.omemo.element.OmemoDeviceListElement.LIST;
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import static org.xmlpull.v1.XmlPullParser.END_TAG;
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import static org.xmlpull.v1.XmlPullParser.START_TAG;
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import java.io.IOException;
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import java.util.HashSet;
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import java.util.Set;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.provider.ExtensionElementProvider;
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import org.jivesoftware.smackx.omemo.element.OmemoDeviceListElement_VAxolotl;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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/**
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* Smack ExtensionProvider that parses OMEMO device list element into OmemoDeviceListElement objects.
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*
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* @author Paul Schaub
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*/
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public class OmemoDeviceListVAxolotlProvider extends ExtensionElementProvider<OmemoDeviceListElement_VAxolotl> {
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@Override
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public OmemoDeviceListElement_VAxolotl parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
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Set<Integer> deviceListIds = new HashSet<>();
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boolean stop = false;
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while (!stop) {
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int tag = parser.next();
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String name = parser.getName();
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switch (tag) {
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case START_TAG:
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if (name.equals(DEVICE)) {
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for (int i = 0; i < parser.getAttributeCount(); i++) {
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if (parser.getAttributeName(i).equals(ID)) {
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Integer deviceId = Integer.parseInt(parser.getAttributeValue(i));
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deviceListIds.add(deviceId);
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}
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}
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}
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break;
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case END_TAG:
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if (name.equals(LIST)) {
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stop = true;
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}
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break;
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}
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}
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return new OmemoDeviceListElement_VAxolotl(deviceListIds);
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}
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}
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