/* * JBoss, Home of Professional Open Source. * Copyright 2015, 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.cli.accesscontrol; import org.jboss.as.cli.CliEvent; import org.jboss.as.cli.CliEventListener; import org.jboss.as.cli.CommandContext; import org.jboss.logging.Logger; /** * @author Alexey Loubyansky * */ public abstract class BaseAccessRequirement implements AccessRequirement, CliEventListener { protected Logger log = Logger.getLogger(getClass()); protected final boolean traceEnabled = log.isTraceEnabled(); private Boolean satisfied; @Override public boolean isSatisfied(CommandContext ctx) { if(satisfied == null) { satisfied = checkAccess(ctx); if(traceEnabled) { log.trace(toString() + " " + satisfied); } } return satisfied; } @Override public void cliEvent(CliEvent event, CommandContext ctx) { if(event == CliEvent.DISCONNECTED) { satisfied = null; resetState(); } } protected void resetState() { } protected abstract boolean checkAccess(CommandContext ctx); }