JingleFileTransferProvider.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.JingleContentDescription;
- 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, ParseException {
- 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:
- builder.setDate(XmppDateTime.parseXEP0082Date(parser.nextText()));
- 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 JingleContentDescription.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);
- }
- }