146 lines
5.6 KiB
Java
146 lines
5.6 KiB
Java
/**
|
|
*
|
|
* Copyright 2017 Paul Schaub, 2019 Florian Schmaus
|
|
*
|
|
* 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.jingle_filetransfer.provider;
|
|
|
|
import java.io.IOException;
|
|
import java.text.ParseException;
|
|
import java.util.ArrayList;
|
|
|
|
import org.jivesoftware.smack.packet.XmlEnvironment;
|
|
import org.jivesoftware.smack.parsing.SmackParsingException;
|
|
import org.jivesoftware.smack.util.ParserUtils;
|
|
import org.jivesoftware.smack.xml.XmlPullParser;
|
|
import org.jivesoftware.smack.xml.XmlPullParserException;
|
|
|
|
import org.jivesoftware.smackx.hashes.element.HashElement;
|
|
import org.jivesoftware.smackx.hashes.provider.HashElementProvider;
|
|
import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionChildElement;
|
|
import org.jivesoftware.smackx.jingle.provider.JingleContentDescriptionProvider;
|
|
import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransfer;
|
|
import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferChild;
|
|
import org.jivesoftware.smackx.jingle_filetransfer.element.Range;
|
|
|
|
import org.jxmpp.util.XmppDateTime;
|
|
|
|
/**
|
|
* Provider for JingleContentDescriptionFileTransfer elements.
|
|
*/
|
|
public class JingleFileTransferProvider
|
|
extends JingleContentDescriptionProvider<JingleFileTransfer> {
|
|
|
|
@Override
|
|
public JingleFileTransfer parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException, SmackParsingException {
|
|
ArrayList<JingleContentDescriptionChildElement> payloads = new ArrayList<>();
|
|
JingleFileTransferChild.Builder builder = JingleFileTransferChild.getBuilder();
|
|
|
|
|
|
String elementName;
|
|
while (true) {
|
|
|
|
XmlPullParser.TagEvent tag = parser.nextTag();
|
|
|
|
switch (tag) {
|
|
case START_ELEMENT:
|
|
elementName = parser.getName();
|
|
switch (elementName) {
|
|
case JingleFileTransferChild.ELEM_DATE:
|
|
try {
|
|
builder.setDate(XmppDateTime.parseXEP0082Date(parser.nextText()));
|
|
} catch (ParseException e) {
|
|
throw new SmackParsingException.SmackTextParseException(e);
|
|
}
|
|
break;
|
|
|
|
case JingleFileTransferChild.ELEM_DESC:
|
|
builder.setDescription(parser.nextText());
|
|
break;
|
|
|
|
case JingleFileTransferChild.ELEM_MEDIA_TYPE:
|
|
builder.setMediaType(parser.nextText());
|
|
break;
|
|
|
|
case JingleFileTransferChild.ELEM_NAME:
|
|
builder.setName(parser.nextText());
|
|
break;
|
|
|
|
case JingleFileTransferChild.ELEM_SIZE:
|
|
builder.setSize(Integer.parseInt(parser.nextText()));
|
|
break;
|
|
|
|
case Range.ELEMENT:
|
|
Range range = parseRangeElement(parser);
|
|
builder.setRange(range);
|
|
|
|
break;
|
|
|
|
case HashElement.ELEMENT:
|
|
HashElement hashElement = HashElementProvider.INSTANCE.parse(parser);
|
|
builder.setHash(hashElement);
|
|
break;
|
|
}
|
|
break;
|
|
case END_ELEMENT:
|
|
elementName = parser.getName();
|
|
switch (elementName) {
|
|
case JingleFileTransferChild.ELEMENT:
|
|
payloads.add(builder.build());
|
|
builder = JingleFileTransferChild.getBuilder();
|
|
break;
|
|
|
|
case JingleFileTransfer.ELEMENT:
|
|
return new JingleFileTransfer(payloads);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
public static Range parseRangeElement(XmlPullParser parser) throws IOException, XmlPullParserException, SmackParsingException {
|
|
final int initialDepth = parser.getDepth();
|
|
final Integer offset = ParserUtils.getIntegerAttribute(parser, Range.ATTR_OFFSET);
|
|
final Integer length = ParserUtils.getIntegerAttribute(parser, Range.ATTR_LENGTH);
|
|
|
|
HashElement hashElement = null;
|
|
outerloop: while (true) {
|
|
String element;
|
|
XmlPullParser.Event event = parser.next();
|
|
switch (event) {
|
|
case START_ELEMENT:
|
|
element = parser.getName();
|
|
switch (element) {
|
|
case HashElement.ELEMENT:
|
|
hashElement = HashElementProvider.INSTANCE.parse(parser);
|
|
break;
|
|
}
|
|
break;
|
|
case END_ELEMENT:
|
|
element = parser.getName();
|
|
if (element.equals(Range.ELEMENT) && parser.getDepth() == initialDepth) {
|
|
break outerloop;
|
|
}
|
|
break;
|
|
default:
|
|
// Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
|
|
break;
|
|
}
|
|
}
|
|
|
|
return new Range(offset, length, hashElement);
|
|
}
|
|
|
|
}
|