Package org.apache.deltaspike.cdise.servlet

Source Code of org.apache.deltaspike.cdise.servlet.CdiServletRequestListener

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.deltaspike.cdise.servlet;

import org.apache.deltaspike.cdise.api.CdiContainer;
import org.apache.deltaspike.cdise.api.CdiContainerLoader;
import org.apache.deltaspike.cdise.api.ContextControl;

import javax.enterprise.context.RequestScoped;
import javax.servlet.ServletRequestEvent;
import javax.servlet.ServletRequestListener;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
* Starts a request context for each incoming HTTP request.
*/
public class CdiServletRequestListener implements ServletRequestListener
{
    private static final Logger LOG = Logger.getLogger(CdiServletRequestListener.class.getName());
    private static final String CDI_REQ_CONTEXT = "cdiRequestContext";

    @Override
    public void requestDestroyed(ServletRequestEvent servletRequestEvent)
    {
        LOG.log(Level.FINER,"Request done.");
        ContextControl contextControl = (ContextControl)servletRequestEvent.getServletRequest()
                .getAttribute(CDI_REQ_CONTEXT);
        contextControl.stopContext(RequestScoped.class);
    }

    @Override
    public void requestInitialized(ServletRequestEvent servletRequestEvent)
    {
        LOG.log(Level.FINER,"Incoming request.");
        ContextControl contextControl = getContextControl();
        servletRequestEvent.getServletRequest().setAttribute(CDI_REQ_CONTEXT, contextControl);
        contextControl.startContext(RequestScoped.class);
    }

    private ContextControl getContextControl()
    {
        CdiContainer container = CdiContainerLoader.getCdiContainer();
        return container.createContextControl();
    }
}
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