/*

  * 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.shared.util;

 import java.lang.reflect.Method;

 /**

  *

  */

 public final class ServletSpecifications

 {

     private static volatile Boolean servlet30Available;

     public static boolean isServlet30Available()

     {

         if (servlet30Available == null)

         {

             Class clazz = ClassUtils.simpleClassForName("javax.servlet.http.Cookie");

             try

             {

                 Method m = clazz.getMethod("setHttpOnly", boolean.class);

                 if (m != null)

                 {

                     servlet30Available = Boolean.TRUE;

                 }

                 else

                 {

                     servlet30Available = Boolean.FALSE;

                 }

             }

             catch (NoSuchMethodException ex)

             {

                 servlet30Available = Boolean.FALSE;

             }

             catch (SecurityException ex)

             {

                 // Don't assume servlet 2.5 if a SecurityException is thrown,

                 // assume always servlet 3.0

                 servlet30Available = Boolean.TRUE;

             }

         }

         return servlet30Available;

     }

 }