IoTFieldsExtensionProvider.java
- /**
- *
- * Copyright © 2016-2019 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.iot.data.provider;
- import java.io.IOException;
- import java.text.ParseException;
- import java.util.ArrayList;
- import java.util.Date;
- import java.util.List;
- import java.util.logging.Logger;
- import org.jivesoftware.smack.packet.XmlEnvironment;
- import org.jivesoftware.smack.parsing.SmackParsingException;
- import org.jivesoftware.smack.parsing.SmackParsingException.SmackTextParseException;
- import org.jivesoftware.smack.provider.ExtensionElementProvider;
- import org.jivesoftware.smack.util.ParserUtils;
- import org.jivesoftware.smack.xml.XmlPullParser;
- import org.jivesoftware.smack.xml.XmlPullParserException;
- import org.jivesoftware.smackx.iot.data.element.IoTDataField;
- import org.jivesoftware.smackx.iot.data.element.IoTFieldsExtension;
- import org.jivesoftware.smackx.iot.data.element.NodeElement;
- import org.jivesoftware.smackx.iot.data.element.TimestampElement;
- import org.jivesoftware.smackx.iot.element.NodeInfo;
- import org.jivesoftware.smackx.iot.parser.NodeInfoParser;
- import org.jxmpp.util.XmppDateTime;
- public class IoTFieldsExtensionProvider extends ExtensionElementProvider<IoTFieldsExtension> {
- private static final Logger LOGGER = Logger.getLogger(IoTFieldsExtensionProvider.class.getName());
- @Override
- public IoTFieldsExtension parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws IOException, XmlPullParserException, SmackTextParseException {
- int seqNr = ParserUtils.getIntegerAttributeOrThrow(parser, "seqnr", "IoT data request <accepted/> without sequence number");
- boolean done = ParserUtils.getBooleanAttribute(parser, "done", false);
- List<NodeElement> nodes = new ArrayList<>();
- outerloop: while (true) {
- final XmlPullParser.Event eventType = parser.next();
- final String name = parser.getName();
- switch (eventType) {
- case START_ELEMENT:
- switch (name) {
- case NodeElement.ELEMENT:
- NodeElement node = parseNode(parser);
- nodes.add(node);
- break;
- }
- break;
- case END_ELEMENT:
- if (parser.getDepth() == initialDepth) {
- break outerloop;
- }
- break;
- default:
- // Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
- break;
- }
- }
- return new IoTFieldsExtension(seqNr, done, nodes);
- }
- public NodeElement parseNode(XmlPullParser parser) throws XmlPullParserException, IOException, SmackTextParseException {
- final int initialDepth = parser.getDepth();
- final NodeInfo nodeInfo = NodeInfoParser.parse(parser);
- List<TimestampElement> timestampElements = new ArrayList<>();
- outerloop: while (true) {
- final XmlPullParser.Event eventType = parser.next();
- final String name = parser.getName();
- switch (eventType) {
- case START_ELEMENT:
- switch (name){
- case TimestampElement.ELEMENT:
- TimestampElement timestampElement = parseTimestampElement(parser);
- timestampElements.add(timestampElement);
- break;
- }
- break;
- case END_ELEMENT:
- if (parser.getDepth() == initialDepth) {
- break outerloop;
- }
- break;
- default:
- // Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
- break;
- }
- }
- return new NodeElement(nodeInfo, timestampElements);
- }
- public TimestampElement parseTimestampElement(XmlPullParser parser) throws XmlPullParserException, IOException, SmackTextParseException {
- final int initialDepth = parser.getDepth();
- final String dateString = parser.getAttributeValue(null, "value");
- Date date;
- try {
- date = XmppDateTime.parseDate(dateString);
- } catch (ParseException e) {
- throw new SmackParsingException.SmackTextParseException(e);
- }
- List<IoTDataField> fields = new ArrayList<>();
- outerloop: while (true) {
- final XmlPullParser.Event eventType = parser.next();
- switch (eventType) {
- case START_ELEMENT:
- final String name = parser.getName();
- IoTDataField field = null;
- final String fieldName = parser.getAttributeValue(null, "name");
- final String fieldValue = parser.getAttributeValue(null, "value");
- switch (name) {
- case "int": {
- int value = Integer.parseInt(fieldValue);
- field = new IoTDataField.IntField(fieldName, value);
- }
- break;
- case "boolean": {
- boolean value = Boolean.parseBoolean(fieldValue);
- field = new IoTDataField.BooleanField(fieldName, value);
- }
- break;
- default:
- LOGGER.warning("IoT Data field type '" + name + "' not implement yet. Ignoring.");
- break;
- }
- if (field != null) {
- fields.add(field);
- }
- break;
- case END_ELEMENT:
- if (parser.getDepth() == initialDepth) {
- break outerloop;
- }
- break;
- default:
- // Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
- break;
- }
- }
- return new TimestampElement(date, fields);
- }
- }