text: /**
   * Copyright 2015 IBM Corp. All Rights Reserved.
   *
   * 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.
   */
  
  'use strict';
  
  module.exports = function (app) {
  
    // catch 404 and forward to error handler
    app.use(function(req, res, next) {
      var err = new Error('Not Found');
      err.code = 404;
      err.message = 'Not Found';
      next(err);
    });
  
    // error handler
    app.use(function(err, req, res, next) {
      var error = {
        code: err.code || 500,
        error: err.error || err.message
      };
  
      console.log('error:', error);
  
      res.status(error.code).json(error);
    });
  
  };
  