module.exports.DSN = function() {
  this.setPath = function(path) {
    this.path = path;
  };
  this.getPath = function() {
    return this.path;
  };
  this.getPort = function() {
    return this.port;
  };
  this.setPort = function(port) {
    this.port = port;
  };
  this.setHost = function(host) {
    this.host = host;
  }
  this.getHost = function() {
    return this.host;
  };
  this.setProtocol = function(proto) {
    this.proto = proto;
  };
  this.getProtocol = function() {
    return this.proto;
  };
  this.setUsername = function(user) {
    this.user = user;
  };
  this.getUsername = function() {
    return this.user;
  };
  this.setPass = function(pass) {
    this.pass = pass;
  };
  this.getPass = function() {
    return this.pass;
  };
  this.toString = function() {
    if (this.host === undefined) {
      return; // There is no host, we can't do anything
    }
    var result = this.host;
    if (this.port !== undefined) {
      result += ":" + this.port;
    }
    if (this.path !== undefined) {
      result += "/" + this.path;
    }
    var userString = "";
    if (this.user !== undefined) {
      userString = this.user;
    }
    if (this.pass !== undefined) {
      userString += ":" + this.pass;
    }
    if (userString !== "") {
      result = userString + "@" + result;
    }
    if (this.proto !== undefined) {
      result = this.proto + "://" + result;
    }
    return result;
  };
}