71 lines
2.5 KiB
Java
71 lines
2.5 KiB
Java
/**
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*
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* Copyright 2014 Andriy Tsykholyas
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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.hoxt.provider;
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import java.io.IOException;
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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.hoxt.packet.Base64BinaryChunk;
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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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* Stanza provider for base64 binary chunks.
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*
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* @author Andriy Tsykholyas
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* @see <a href="http://xmpp.org/extensions/xep-0332.html">XEP-0332: HTTP over XMPP transport</a>
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*/
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public class Base64BinaryChunkProvider extends ExtensionElementProvider<Base64BinaryChunk> {
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@Override
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public Base64BinaryChunk parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
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String streamId = parser.getAttributeValue("", Base64BinaryChunk.ATTRIBUTE_STREAM_ID);
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String nrString = parser.getAttributeValue("", Base64BinaryChunk.ATTRIBUTE_NR);
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String lastString = parser.getAttributeValue("", Base64BinaryChunk.ATTRIBUTE_LAST);
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boolean last = false;
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int nr = Integer.parseInt(nrString);
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if (lastString != null) {
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last = Boolean.parseBoolean(lastString);
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}
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String text = null;
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals(Base64BinaryChunk.ELEMENT_CHUNK)) {
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done = true;
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} else {
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throw new IllegalArgumentException("unexpected end tag of: " + parser.getName());
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}
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} else if (eventType == XmlPullParser.TEXT) {
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text = parser.getText();
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} else {
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throw new IllegalArgumentException("unexpected eventType: " + eventType);
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}
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}
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return new Base64BinaryChunk(text, streamId, nr, last);
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}
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}
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