org.picketlink.idm.event.EventContext Maven / Gradle / Ivy
/*
* 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 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();
}
context.put(name, value);
}
public boolean contains(String name) {
return context != null && context.containsKey(name);
}
public boolean isEmpty() {
return context == null || context.isEmpty();
}
}