libjs-jssip 0.6.34-5 / usr / share / javascript / jssip / lib / NameAddrHeader.js

module.exports = NameAddrHeader;


/**
 * Dependencies.
 */
var URI = require('./URI');
var Grammar = require('./Grammar');


function NameAddrHeader(uri, display_name, parameters) {
  var param;

  // Checks
  if(!uri || !(uri instanceof URI)) {
    throw new TypeError('missing or invalid "uri" parameter');
  }

  // Initialize parameters
  this.uri = uri;
  this.parameters = {};

  for (param in parameters) {
    this.setParam(param, parameters[param]);
  }

  Object.defineProperties(this, {
    display_name: {
      get: function() { return display_name; },
      set: function(value) {
        display_name = (value === 0) ? '0' : value;
      }
    }
  });
}

NameAddrHeader.prototype = {
  setParam: function(key, value) {
    if (key) {
      this.parameters[key.toLowerCase()] = (typeof value === 'undefined' || value === null) ? null : value.toString();
    }
  },

  getParam: function(key) {
    if(key) {
      return this.parameters[key.toLowerCase()];
    }
  },

  hasParam: function(key) {
    if(key) {
      return (this.parameters.hasOwnProperty(key.toLowerCase()) && true) || false;
    }
  },

  deleteParam: function(parameter) {
    var value;
    parameter = parameter.toLowerCase();
    if (this.parameters.hasOwnProperty(parameter)) {
      value = this.parameters[parameter];
      delete this.parameters[parameter];
      return value;
    }
  },

  clearParams: function() {
    this.parameters = {};
  },

  clone: function() {
    return new NameAddrHeader(
      this.uri.clone(),
      this.display_name,
      JSON.parse(JSON.stringify(this.parameters)));
  },

  toString: function() {
    var body, parameter;

    body  = (this.display_name || this.display_name === 0) ? '"' + this.display_name + '" ' : '';
    body += '<' + this.uri.toString() + '>';

    for (parameter in this.parameters) {
      body += ';' + parameter;

      if (this.parameters[parameter] !== null) {
        body += '='+ this.parameters[parameter];
      }
    }

    return body;
  }
};


/**
  * Parse the given string and returns a NameAddrHeader instance or undefined if
  * it is an invalid NameAddrHeader.
  */
NameAddrHeader.parse = function(name_addr_header) {
  name_addr_header = Grammar.parse(name_addr_header,'Name_Addr_Header');

  if (name_addr_header !== -1) {
    return name_addr_header;
  } else {
    return undefined;
  }
};