text: //------------------------------------------------------------------------------
  // Copyright IBM Corp. 2016
  //
  // 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.
  //------------------------------------------------------------------------------
  
  const express = require('express');
  const bodyParser = require('body-parser');
  const mqlight = require('mqlight');
  const vcap = process.env.VCAP_SERVICES ? JSON.parse(process.env.VCAP_SERVICES) : require('./VCAP_SERVICES.json');
  
  const app = express();
  const clients = [];
  const TOPIC = 'MESSAGE';
  const credentials = vcap.mqlight[0].credentials;
  const opts = {
    service: credentials.connectionLookupURI,
    user: credentials.username,
    password: credentials.password,
  };
  
  app.set('port', process.env.PORT || 3000);
  app.use(bodyParser.text());
  
  app.get('/', (req, res) => {
    res.sendFile(__dirname + '/index.html');
  });
  
  // Poll endpoint
  app.get('/poll/*', (req, res) => {
    clients.push(res);
  });
  
  // Msg endpoint
  app.post('/msg', (req, res) => {
    const message = req.body;
    while (clients.length > 0) {
      clients.pop().end(message);
    }
    res.end();
  });
  
  app.listen(app.get('port'), () => {
    console.log(`listening on ${app.get('port')}`);
  });
  