62 lines
2.3 KiB
Java
62 lines
2.3 KiB
Java
/**
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*
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* Copyright © 2009 Jonas Ådahl, 2011-2019 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.smackx.caps.provider;
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import java.io.IOException;
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import org.jivesoftware.smack.provider.ExtensionElementProvider;
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import org.jivesoftware.smackx.caps.EntityCapsManager;
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import org.jivesoftware.smackx.caps.packet.CapsExtension;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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public class CapsExtensionProvider extends ExtensionElementProvider<CapsExtension> {
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@Override
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public CapsExtension parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException {
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String hash, version, node;
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if (parser.getEventType() == XmlPullParser.START_TAG
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&& parser.getName().equalsIgnoreCase(EntityCapsManager.ELEMENT)) {
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hash = parser.getAttributeValue(null, "hash");
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version = parser.getAttributeValue(null, "ver");
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node = parser.getAttributeValue(null, "node");
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} else {
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// TODO: Should be SmackParsingException.
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throw new IOException("Malformed Caps element");
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}
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parser.next();
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if (!(parser.getEventType() == XmlPullParser.END_TAG
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&& parser.getName().equalsIgnoreCase(EntityCapsManager.ELEMENT))) {
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// TODO: Should be SmackParsingException.
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throw new IOException("Malformed nested Caps element");
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}
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if (hash != null && version != null && node != null) {
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return new CapsExtension(node, version, hash);
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} else {
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// TODO: Should be SmackParsingException.
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throw new IOException("Caps element with missing attributes. Attributes: hash=" + hash + " version="
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+ version + " node=" + node);
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}
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}
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}
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