parseTemperature.js

/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; 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.
 */

// this script parses the temperature from the response

// remove prologue which cannot be parsed: '<?xml version="1.0" encoding="utf-16"?>'
var rawForecast = execution.getVariable('forecast');
var forecast = rawForecast.substring(rawForecast.indexOf("\n"));

var parsedTemperature = S(forecast).childElement("Temperature").textContent();

// temperature looks like this: <Temperature> 68 F (20 C)</Temperature>
var regex = /\((-?\d+) C\)/;

// return only the temperature in C:
regex.exec(parsedTemperature)[1];