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Spring configuration support for XFire.

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package org.codehaus.xfire.spring;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;

import org.codehaus.xfire.XFire;
import org.codehaus.xfire.transport.http.XFireServlet;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 * An servlet which exposes XFire services via Spring.
 * 
 * @author Jason Carreira 
 */
public class XFireSpringServlet
    extends XFireServlet
{
    private String xfireBeanName = "xfire";

    private XFire xfire;

    public void init(ServletConfig servletConfig)
        throws ServletException
    {
        ApplicationContext appContext = WebApplicationContextUtils
                .getRequiredWebApplicationContext(servletConfig.getServletContext());
        String configBeanName = servletConfig.getInitParameter("XFireBeanName");

        xfireBeanName = ((configBeanName != null) && (!"".equals(configBeanName.trim()))) ? configBeanName
                : xfireBeanName;
        
        xfire = (XFire) appContext.getBean(xfireBeanName, XFire.class);
        super.init(servletConfig);
    }

    public XFire createXFire()
    {
        return xfire;
    }
}