/* * JBoss, Home of Professional Open Source. * Copyright 2011, Red Hat, Inc., and individual contributors * as indicated by the @author tags. See the copyright.txt file 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.deployment.reflect; import java.util.HashMap; import java.util.Map; import org.jboss.as.server.logging.ServerLogger; import org.jboss.as.server.security.ServerPermission; /** * A reflection index for a deployment. * * @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a> */ public final class DeploymentReflectionIndex { private final Map<Class<?>, ClassReflectionIndex> classes = new HashMap<Class<?>, ClassReflectionIndex>(); DeploymentReflectionIndex() { } /** * Construct a new instance. * * @return the new instance */ public static DeploymentReflectionIndex create() { final SecurityManager sm = System.getSecurityManager(); if (sm != null) { sm.checkPermission(ServerPermission.CREATE_DEPLOYMENT_REFLECTION_INDEX); } return new DeploymentReflectionIndex(); } /** * Get the (possibly cached) index for a given class. * * @param clazz the class * @return the index */ @SuppressWarnings({"unchecked"}) public synchronized ClassReflectionIndex getClassIndex(Class clazz) { try { ClassReflectionIndex index = classes.get(clazz); if (index == null) { classes.put(clazz, index = new ClassReflectionIndex(clazz, this)); } return index; } catch (Throwable e) { throw ServerLogger.ROOT_LOGGER.errorGettingReflectiveInformation(clazz, clazz.getClassLoader(), e); } } }