/*
 * Copyright 2014 Open Networking Laboratory
 *
 * 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.
 */

/*
 ONOS GUI -- Preamble -- the first thing we do

 @author Simon Hunt
 */

(function () {

    // NOTE: DON'T Want to do this.. we want to be able to
    //  use the parameter section, for example:
    //   #viewId,context?flag1,flag2,flag3

    // Check if the URL in the address bar contains a parameter section
    // (delineated by '?'). If this is the case, rewrite using '#' instead.

    //var m = /([^?]*)\?(.*)/.exec(window.location.href);
    //if (m) {
    //    window.location.href = m[1] + '#' + m[2];
    //}

}());
