package org.apache.maven.surefire.booter;

 /*

  * 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.

  */

 import java.lang.reflect.InvocationTargetException;

 import java.lang.reflect.Method;

 import org.apache.maven.surefire.util.NestedRuntimeException;

 import org.apache.maven.surefire.util.ReflectionUtils;

 /**

  * Does reflection based invocation of misc jdk method

  * <p/>

  *

  * @author Kristian Rosenvold

  */

 public class JdkReflector

 {

     private final Method assertionStatusMethod;

     public JdkReflector()

     {

         assertionStatusMethod = ReflectionUtils.tryGetMethod( ClassLoader.class, "setDefaultAssertionStatus",

                                                               new Class[]{ boolean.class } );

     }

     public void invokeAssertionStatusMethod( ClassLoader classLoader, boolean enableAssertions )

     {

         if ( assertionStatusMethod != null )

         {

             try

             {

                 Object[] args = new Object[]{ enableAssertions ? Boolean.TRUE : Boolean.FALSE };

                 assertionStatusMethod.invoke( classLoader, args );

             }

             catch ( IllegalAccessException e )

             {

                 throw new NestedRuntimeException( "Unable to access the assertion enablement method", e );

             }

             catch ( InvocationTargetException e )

             {

                 throw new NestedRuntimeException( "Unable to invoke the assertion enablement method", e );

             }

         }

     }

 }