org.jboss.modules.DefaultBootModuleLoaderHolder Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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());
}
}
});
}
}