/* * 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 java.util.ArrayList; import java.util.Collections; import java.util.List; /** * @author Alexey Loubyansky * */ public abstract class AccessRequirementSet extends BaseAccessRequirement { protected List<AccessRequirement> requirements = Collections.emptyList(); public void add(AccessRequirement requirement) { if(requirement == null) { throw new IllegalArgumentException("Requirement is null"); } if(requirements.isEmpty()) { requirements = Collections.singletonList(requirement); } else { if (requirements.size() == 1) { final List<AccessRequirement> tmp = requirements; requirements = new ArrayList<AccessRequirement>(); requirements.addAll(tmp); } requirements.add(requirement); } } private String toString; @Override public String toString() { if(toString == null) { toString = requirements.toString(); } return toString; } }