/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.airavata.xbaya.test.service.multiplier;
import java.util.Random;
import org.apache.airavata.common.utils.XMLUtil;
import org.apache.airavata.xbaya.test.service.ServiceNotificationSender;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xmlpull.v1.builder.XmlElement;
import org.xmlpull.v1.builder.XmlNamespace;
import xsul.XmlConstants;
public class MultiplierImpl implements Multiplier {
private final static Logger logger = LoggerFactory.getLogger(MultiplierImpl.class);
/**
* @see org.apache.airavata.xbaya.test.service.multiplier.Multiplier#multiply(org.xmlpull.v1.builder.XmlElement)
*/
public XmlElement multiply(XmlElement inputElement) {
logger.info(XMLUtil.xmlElementToString(inputElement));
ServiceNotificationSender notifier = ServiceNotificationSender.invoked(inputElement);
XmlElement xElement = inputElement.requiredElement(null, "x");
XmlElement yElement = inputElement.requiredElement(null, "y");
String xString = xElement.requiredTextContent();
String yString = yElement.requiredTextContent();
int x = Integer.parseInt(xString);
int y = Integer.parseInt(yString);
Random random = new Random();
int msec = random.nextInt(10000);
logger.info("Sleep for " + msec + " msec");
try {
Thread.sleep(msec);
} catch (InterruptedException e) {
logger.error(e.getMessage(), e);
}
int z = x * y;
String zString = "" + z;
XmlNamespace namespace = XmlConstants.BUILDER.newNamespace("multipliertypens",
"http://www.extreme.indiana.edu/math/multiplier/xsd/");
XmlElement outputElement = XmlConstants.BUILDER.newFragment(namespace, "MultiplyOutput");
XmlElement zElement = outputElement.addElement("z");
zElement.addChild(zString);
if (notifier != null) {
notifier.sendingResult(outputElement);
}
logger.info(XMLUtil.xmlElementToString(outputElement));
return outputElement;
}
}