test12/src/main/java/org/apache/myfaces/test/util/JsfVersion.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you 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 org.apache.myfaces.test.util;

import javax.faces.application.Application;

public class JsfVersion
{
  private static boolean supports12;
  private static boolean supports20;

  static
  {
    try
    {
      Application.class.getMethod("getExpressionFactory");
      supports12 = true;

      try
      {
        Application.class.getMethod("getExceptionHandler");
        supports20 = true;

      } catch (NoSuchMethodException e) {
        // ignore
      }

    } catch (NoSuchMethodException e) {
      // ignore
    }
  }

  private JsfVersion() {
    // avoid instantiation
  }

  /**
   * Does the JSF is version 1.2 or higher
   *
   * @return Supports 1.2 or higher
   */
  public static boolean supports12()
  {
    return supports12;
  }

  /**
   * Does the JSF is version 2.0 or higher
   *
   * @return Supports 2.0 or higher
   */
  public static boolean supports20()
  {
    return supports20;
  }
}