/*
* Copyright 2005-2006 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.strecks.web;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.strecks.util.Assert;
/**
* Basic implementation of <code>WebHelper</code>
* @author Phil Zoio
*/
public class WebHelperImpl implements WebHelper
{
private HttpServletRequest request;
private ServletContext context;
public WebHelperImpl(HttpServletRequest request, ServletContext context)
{
super();
Assert.notNull(request);
Assert.notNull(context);
this.request = request;
this.context = context;
}
public void setRequestAttribute(String name, Object value)
{
request.setAttribute(name, value);
}
public void setSessionAttribute(String name, Object value)
{
request.getSession().setAttribute(name, value);
}
public void setContextAttribute(String name, Object value)
{
context.setAttribute(name, value);
}
public void removeRequestAttribute(String name)
{
request.removeAttribute(name);
}
public void removeSessionAttribute(String name)
{
// don't create a session unless you need to!
HttpSession session = request.getSession(false);
if (session != null)
session.removeAttribute(name);
}
public void removeContextAttribute(String name)
{
context.removeAttribute(name);
}
}