org.jboss.weld.bean.proxy.SecurityActions Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2014, 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.bean.proxy;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Constructor;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import org.jboss.weld.exceptions.WeldException;
import org.jboss.weld.security.GetConstructorAction;
import org.jboss.weld.security.SetAccessibleAction;
/**
*
* @author Martin Kouba
*/
final class SecurityActions {
private SecurityActions() {
}
/**
* Set the {@code accessible} flag for this accessible object. Does not perform {@link PrivilegedAction} unless necessary.
*
* @param accessibleObject
*/
static void ensureAccessible(AccessibleObject accessibleObject) {
if (accessibleObject != null) {
if (!accessibleObject.isAccessible()) {
if (System.getSecurityManager() != null) {
AccessController.doPrivileged(SetAccessibleAction.of(accessibleObject));
} else {
accessibleObject.setAccessible(true);
}
}
}
}
static Constructor getConstructor(Class javaClass, Class... parameterTypes) throws NoSuchMethodException {
if (System.getSecurityManager() != null) {
try {
return AccessController.doPrivileged(GetConstructorAction.of(javaClass, parameterTypes));
} catch (PrivilegedActionException e) {
if (e.getCause() instanceof NoSuchMethodException) {
throw (NoSuchMethodException) e.getCause();
}
throw new WeldException(e.getCause());
}
} else {
return javaClass.getConstructor(parameterTypes);
}
}
}