org.jboss.modules.DefaultBootModuleLoaderHolder Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.modules;
import java.lang.reflect.InvocationTargetException;
import java.security.AccessController;
import java.security.PrivilegedAction;
final class DefaultBootModuleLoaderHolder {
static final ModuleLoader INSTANCE;
private DefaultBootModuleLoaderHolder() {
}
static {
INSTANCE = AccessController.doPrivileged(new PrivilegedAction() {
public ModuleLoader run() {
final String loaderClass = System.getProperty("boot.module.loader", LocalModuleLoader.class.getName());
try {
return Class.forName(loaderClass, true, DefaultBootModuleLoaderHolder.class.getClassLoader()).asSubclass(ModuleLoader.class).getConstructor().newInstance();
} catch (InstantiationException e) {
throw new InstantiationError(e.getMessage());
} catch (IllegalAccessException e) {
throw new IllegalAccessError(e.getMessage());
} catch (InvocationTargetException e) {
try {
throw e.getCause();
} catch (RuntimeException cause) {
throw cause;
} catch (Error cause) {
throw cause;
} catch (Throwable t) {
throw new Error(t);
}
} catch (NoSuchMethodException e) {
throw new NoSuchMethodError(e.getMessage());
} catch (ClassNotFoundException e) {
throw new NoClassDefFoundError(e.getMessage());
}
}
});
}
}