88 lines
3.5 KiB
Java
88 lines
3.5 KiB
Java
/**
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*
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* Copyright 2018 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.mood.provider;
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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.text.ParseException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.provider.ExtensionElementProvider;
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import org.jivesoftware.smack.provider.ProviderManager;
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import org.jivesoftware.smackx.mood.Mood;
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import org.jivesoftware.smackx.mood.element.MoodConcretisation;
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import org.jivesoftware.smackx.mood.element.MoodElement;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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public class MoodProvider extends ExtensionElementProvider<MoodElement> {
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private static final Logger LOGGER = Logger.getLogger(MoodProvider.class.getName());
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public static final MoodProvider INSTANCE = new MoodProvider();
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@Override
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public MoodElement parse(XmlPullParser parser, int initialDepth)
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throws XmlPullParserException, IOException, ParseException {
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String text = null;
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Mood mood = null;
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MoodConcretisation concretisation = null;
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outerloop: while (true) {
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int tag = parser.next();
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String name = parser.getName();
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String namespace = parser.getNamespace();
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switch (tag) {
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case START_TAG:
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if (MoodElement.ELEM_TEXT.equals(name)) {
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text = parser.nextText();
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continue outerloop;
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}
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if (!MoodElement.NAMESPACE.equals(namespace)) {
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LOGGER.log(Level.FINE, "Foreign namespace " + namespace + " detected. Try to find suitable MoodConcretisationProvider.");
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MoodConcretisationProvider<?> provider = (MoodConcretisationProvider) ProviderManager.getExtensionProvider(name, namespace);
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if (provider != null) {
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concretisation = provider.parse(parser);
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} else {
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LOGGER.log(Level.FINE, "No provider for <" + name + " xmlns:'" + namespace + "'/> found. Ignore.");
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}
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continue outerloop;
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}
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try {
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mood = Mood.valueOf(name);
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continue outerloop;
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} catch (IllegalArgumentException e) {
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throw new XmlPullParserException("Unknown mood value: " + name + " encountered.");
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}
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case END_TAG:
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if (MoodElement.ELEMENT.equals(name)) {
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MoodElement.MoodSubjectElement subjectElement = (mood == null && concretisation == null) ?
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null : new MoodElement.MoodSubjectElement(mood, concretisation);
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return new MoodElement(subjectElement, text);
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}
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}
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}
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}
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}
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