org.springframework.webflow.context.servlet.HttpServletContextMap Maven / Gradle / Ivy
/*
* Copyright 2002-2006 the original author or authors.
*
* 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.springframework.webflow.context.servlet;
import java.util.Iterator;
import javax.servlet.ServletContext;
import org.springframework.binding.collection.SharedMap;
import org.springframework.binding.collection.StringKeyedMapAdapter;
import org.springframework.webflow.core.collection.CollectionUtils;
/**
* Map backed by the Servlet context for accessing application scoped
* attributes.
*
* @author Keith Donald
*/
public class HttpServletContextMap extends StringKeyedMapAdapter implements SharedMap {
/**
* The wrapped servlet context.
*/
private ServletContext context;
/**
* Create a map wrapping given servlet context.
*/
public HttpServletContextMap(ServletContext context) {
this.context = context;
}
protected Object getAttribute(String key) {
return context.getAttribute(key);
}
protected void setAttribute(String key, Object value) {
context.setAttribute(key, value);
}
protected void removeAttribute(String key) {
context.removeAttribute(key);
}
protected Iterator getAttributeNames() {
return CollectionUtils.toIterator(context.getAttributeNames());
}
public Object getMutex() {
return context;
}
}