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Smack/smack-experimental/src/main/java/org/jivesoftware/smackx/httpfileupload/provider/FileTooLargeErrorProvider.java
Florian Schmaus 4133eb175c Replace XPP3 by XmlPullParser interface wrapping StAX and XPP3
Introducing Smack's own XmlPullParser interface which tries to stay as
compatible as possible to XPP3. The interface is used to either wrap
StAX's XMLStreamReader if Smack is used on Java SE, and XPP3's
XmlPullParser if Smack is used on on Android.

Fixes SMACK-591.

Also introduce JUnit 5 and non-strict javadoc projects.
2019-05-06 22:10:50 +02:00

75 lines
2.6 KiB
Java

/**
*
* Copyright © 2017 Grigory Fedorov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.httpfileupload.provider;
import java.io.IOException;
import org.jivesoftware.smack.packet.XmlEnvironment;
import org.jivesoftware.smack.provider.ExtensionElementProvider;
import org.jivesoftware.smack.xml.XmlPullParser;
import org.jivesoftware.smack.xml.XmlPullParserException;
import org.jivesoftware.smackx.httpfileupload.element.FileTooLargeError;
import org.jivesoftware.smackx.httpfileupload.element.FileTooLargeError_V0_2;
/**
* Provider for File Too Large error extension.
*
* @author Grigory Fedorov
* @see <a href="http://xmpp.org/extensions/xep-0363.html">XEP-0363: HTTP File Upload</a>
*/
public class FileTooLargeErrorProvider extends ExtensionElementProvider<FileTooLargeError> {
@Override
public FileTooLargeError parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
final String namespace = parser.getNamespace();
Long maxFileSize = null;
outerloop: while (true) {
XmlPullParser.Event event = parser.next();
switch (event) {
case START_ELEMENT:
String name = parser.getName();
switch (name) {
case "max-file-size":
maxFileSize = Long.valueOf(parser.nextText());
break;
}
break;
case END_ELEMENT:
if (parser.getDepth() == initialDepth) {
break outerloop;
}
break;
default:
// Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
break;
}
}
switch (namespace) {
case FileTooLargeError.NAMESPACE:
return new FileTooLargeError(maxFileSize);
case FileTooLargeError_V0_2.NAMESPACE:
return new FileTooLargeError_V0_2(maxFileSize);
default:
throw new AssertionError();
}
}
}