user/src/com/google/gwt/useragent/client/UserAgent.java

/*
 * Copyright 2013 Google Inc.
 *
 * 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.
 */

package com.google.gwt.useragent.client;

/**
 * Interface to provide both the compile time and runtime <code>user.agent</code> value.
 */
public interface UserAgent {
  /**
   * Returns the value of user agent for this permutation
   */
  String getCompileTimeValue();

  /**
   * Returns the calculated value of user agent on the runtime
   */
  String getRuntimeValue();
}