ClassUtil.java

/*
 * Chrysalix
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * See the AUTHORS.txt file in the distribution for a full listing of 
 * individual contributors.
 *
 * Chrysalix is free software. Unless otherwise indicated, all code in Chrysalix
 * is licensed to you under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * Chrysalix is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.chrysalix.common;

import java.lang.reflect.AccessibleObject;
import java.security.AccessController;
import java.security.PrivilegedAction;

/**
 * 
 */
public final class ClassUtil {
    
    /**
     * @param object
     *        an accessible object
     */
    public static void makeAccessible( final AccessibleObject object ) {
        if ( !object.isAccessible() ) {
            if ( System.getSecurityManager() == null ) {
                object.setAccessible( true );
            } else {
                AccessController.doPrivileged( new PrivilegedAction< Object >() {
                    
                    @Override
                    public Object run() {
                        object.setAccessible( true );
                        return null;
                    }
                } );
            }
        }
    }
    
    private ClassUtil() {
        // prevent instances
    }
}