/* * JBoss, Home of Professional Open Source * * Copyright 2013 Red Hat, Inc. and/or its affiliates. * * 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.picketlink.idm.event; import java.util.HashMap; import java.util.Map; /** * The event context may be used to pass arbitrary state to event observers * * @author Shane Bryzak */ public class EventContext { private Map<String,Object> context; public Object getValue(String name) { return context != null ? context.get(name) : null; } public void setValue(String name, Object value) { if (context == null) { context = new HashMap<String,Object>(); } context.put(name, value); } public boolean contains(String name) { return context != null && context.containsKey(name); } public boolean isEmpty() { return context == null || context.isEmpty(); } }