001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.kernel.util;
016    
017    import com.liferay.portal.kernel.security.pacl.permission.PortalRuntimePermission;
018    
019    import java.net.URL;
020    import java.net.URLClassLoader;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class PortalClassLoaderUtil {
026    
027            public static ClassLoader getClassLoader() {
028                    PortalRuntimePermission.checkGetClassLoader("portal");
029    
030                    return _classLoader;
031            }
032    
033            public static void setClassLoader(ClassLoader classLoader) {
034                    PortalRuntimePermission.checkSetBeanProperty(
035                            PortalClassLoaderUtil.class);
036    
037                    if (classLoader == null) {
038                            _classLoader = null;
039    
040                            return;
041                    }
042    
043                    if (ServerDetector.isJOnAS() && JavaDetector.isJDK6()) {
044                            _classLoader = new URLClassLoader(new URL[0], classLoader);
045                    }
046    
047                    else {
048                            Class<?> clazz = classLoader.getClass();
049    
050                            try {
051                                    clazz.getMethod("destroy");
052    
053                                    _classLoader = new URLClassLoader(new URL[0], classLoader);
054                            }
055                            catch (NoSuchMethodException nsme) {
056                                    _classLoader = classLoader;
057                            }
058                    }
059            }
060    
061            private static ClassLoader _classLoader;
062    
063    }