/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.connector.util;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
/**
* Privileged Blocks
*
* @author <a href="mailto:jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
*/
class SecurityActions {
/**
* Constructor
*/
private SecurityActions() {
}
/**
* Get the declared methods
*
* @param c The class
* @return The methods
*/
static Method[] getDeclaredMethods(final Class<?> c) {
if (System.getSecurityManager() == null)
return c.getDeclaredMethods();
return AccessController.doPrivileged(new PrivilegedAction<Method[]>() {
public Method[] run() {
return c.getDeclaredMethods();
}
});
}
/**
* Get the declared fields
*
* @param c The class
* @return The fields
*/
static Field[] getDeclaredFields(final Class<?> c) {
if (System.getSecurityManager() == null)
return c.getDeclaredFields();
return AccessController.doPrivileged(new PrivilegedAction<Field[]>() {
public Field[] run() {
return c.getDeclaredFields();
}
});
}
/**
* Set accessibleo
*
* @param ao The object
*/
static void setAccessible(final AccessibleObject ao) {
if (System.getSecurityManager() == null)
ao.setAccessible(true);
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
ao.setAccessible(true);
return null;
}
});
}
/**
* Get the constructor
*
* @param c The class
* @param params The parameters
* @return The constructor
* @throws NoSuchMethodException If a matching method is not found.
*/
static Constructor<?> getConstructor(final Class<?> c, final Class<?>... params)
throws NoSuchMethodException {
if (System.getSecurityManager() == null)
return c.getConstructor(params);
Constructor<?> result = AccessController.doPrivileged(new PrivilegedAction<Constructor<?>>() {
public Constructor<?> run() {
try {
return c.getConstructor(params);
} catch (NoSuchMethodException e) {
return null;
}
}
});
if (result != null)
return result;
throw new NoSuchMethodException();
}
/**
* Get the method
*
* @param c The class
* @param name The name
* @param params The parameters
* @return The method
* @throws NoSuchMethodException If a matching method is not found.
*/
static Method getMethod(final Class<?> c, final String name, final Class<?>... params)
throws NoSuchMethodException {
if (System.getSecurityManager() == null)
return c.getMethod(name, params);
Method result = AccessController.doPrivileged(new PrivilegedAction<Method>() {
public Method run() {
try {
return c.getMethod(name, params);
} catch (NoSuchMethodException e) {
return null;
}
}
});
if (result != null)
return result;
throw new NoSuchMethodException();
}
}