1 package org.apache.maven.surefire.booter;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.lang.reflect.InvocationTargetException;
23 import java.lang.reflect.Method;
24 import org.apache.maven.surefire.util.NestedRuntimeException;
25 import org.apache.maven.surefire.util.ReflectionUtils;
26
27 /**
28 * Does reflection based invocation of misc jdk method
29 * <p/>
30 *
31 * @author Kristian Rosenvold
32 */
33 public class JdkReflector
34 {
35 private final Method assertionStatusMethod;
36
37
38 public JdkReflector()
39 {
40 assertionStatusMethod = ReflectionUtils.tryGetMethod( ClassLoader.class, "setDefaultAssertionStatus",
41 new Class[]{ boolean.class } );
42 }
43
44 public void invokeAssertionStatusMethod( ClassLoader classLoader, boolean enableAssertions )
45 {
46 if ( assertionStatusMethod != null )
47 {
48 try
49 {
50 Object[] args = new Object[]{ enableAssertions ? Boolean.TRUE : Boolean.FALSE };
51 assertionStatusMethod.invoke( classLoader, args );
52 }
53 catch ( IllegalAccessException e )
54 {
55 throw new NestedRuntimeException( "Unable to access the assertion enablement method", e );
56 }
57 catch ( InvocationTargetException e )
58 {
59 throw new NestedRuntimeException( "Unable to invoke the assertion enablement method", e );
60 }
61 }
62 }
63
64 }