/*
* JBoss, Home of Professional Open Source
* Copyright 2015, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.weld.environment.deployment.discovery.jandex;
import java.lang.reflect.InvocationTargetException;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import org.jboss.weld.exceptions.WeldException;
import org.jboss.weld.security.ConstructorNewInstanceAction;
import org.jboss.weld.security.NewInstanceAction;
/**
* @author Martin Kouba
*/
final class SecurityActions {
private SecurityActions() {
}
/**
* @param javaClass
* @return a new instance of the given class
* @throws InstantiationException
* @throws IllegalAccessException
*/
static <T> T newInstance(Class<T> javaClass) throws InstantiationException, IllegalAccessException {
if (System.getSecurityManager() != null) {
try {
return AccessController.doPrivileged(NewInstanceAction.of(javaClass));
} catch (PrivilegedActionException e) {
throw new WeldException(e.getCause());
}
} else {
return javaClass.newInstance();
}
}
/**
* @param javaClass
* @param types
* @param params
* @param <T>
* @return
* @throws InstantiationException
* @throws IllegalAccessException
* @throws NoSuchMethodException
* @throws InvocationTargetException
*/
static <T> T newConstructorInstance(Class<T> javaClass, Class<?>[] constructorParamTypes, Object... constructorParamInstances)
throws InstantiationException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
if (System.getSecurityManager() != null) {
try {
return AccessController.doPrivileged(ConstructorNewInstanceAction.of(javaClass, constructorParamTypes, constructorParamInstances));
} catch (PrivilegedActionException e) {
throw new WeldException(e.getCause());
}
} else {
return javaClass.getConstructor(constructorParamTypes).newInstance(constructorParamInstances);
}
}
}