/*
* 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.controller.access.constraint;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.access.Action;
/**
* A constraint meant for use in situations where the Action or Target "is" or "is not" something
* and the user "allows" or "allowsNot".
*
* @author Brian Stansberry (c) 2013 Red Hat Inc.
*/
public abstract class AllowAllowNotConstraint extends AbstractConstraint {
private final String type;
private final Boolean is;
private final Boolean allows;
private final Boolean allowsNot;
protected AllowAllowNotConstraint(boolean is) {
super();
this.is = is;
this.allows = this.allowsNot = null;
this.type = getClass().getSimpleName();
}
protected AllowAllowNotConstraint(boolean allows, boolean allowsNot) {
super();
this.is = null;
this.allows = allows;
this.allowsNot = allowsNot;
this.type = getClass().getSimpleName();
}
@Override
public boolean violates(Constraint other, Action.ActionEffect actionEffect) {
if (other.getClass() == getClass()) {
AllowAllowNotConstraint aanc = (AllowAllowNotConstraint) other;
if (is == null) {
assert aanc.is != null : "incompatible comparison of user and required constraints";
boolean violates = aanc.is ? !allows : !allowsNot;
if (violates) {
ControllerLogger.ACCESS_LOGGER.tracef("%s violated " +
"for action %s : target is: %s, user allows: %s, user allows-not: %s",
type, actionEffect, aanc.is, allows, allowsNot);
}
return violates;
} else {
assert aanc.is == null : "incompatible comparison of user and required constraints";
boolean violates = is ? !aanc.allows : !aanc.allowsNot;
if (violates) {
ControllerLogger.ACCESS_LOGGER.tracef("%s violated " +
"for action %s : target is: %s, user allows: %s, user allows-not: %s",
type, actionEffect, is, aanc.allows, aanc.allowsNot);
}
return violates;
}
}
return false;
}
}