org.jboss.as.server.CurrentServiceContainer Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* 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.
*
* This software 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.jboss.as.server;
import java.security.AccessController;
import java.security.Permission;
import java.security.PrivilegedAction;
import org.jboss.msc.service.ServiceContainer;
/**
* Class that provides static access to the current servers ServiceRegistry.
*
* This is not ideal, however there are some places that require access to this
* where there is no other way of getting it.
*
* @author Stuart Douglas
*/
public class CurrentServiceContainer {
private static final RuntimePermission LOOKUP_CURRENT_SERVICE_CONTAINER = new RuntimePermission("org.jboss.as.server.LOOKUP_CURRENT_SERVICE_CONTAINER");
private static final RuntimePermission SET_CURRENT_SERVICE_CONTAINER = new RuntimePermission("org.jboss.as.server.SET_CURRENT_SERVICE_CONTAINER");
public static final PrivilegedAction GET_ACTION = new PrivilegedAction() {
@Override
public ServiceContainer run() {
return getServiceContainer();
}
};
private static volatile ServiceContainer serviceContainer;
public static ServiceContainer getServiceContainer() {
checkPermission(LOOKUP_CURRENT_SERVICE_CONTAINER);
return serviceContainer;
}
static void setServiceContainer(final ServiceContainer serviceContainer) {
checkPermission(SET_CURRENT_SERVICE_CONTAINER);
CurrentServiceContainer.serviceContainer = serviceContainer;
}
private static void checkPermission(final Permission permission) {
SecurityManager securityManager = System.getSecurityManager();
if (securityManager != null) {
AccessController.checkPermission(permission);
}
}
}