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package test.artifacts;
import java.util.Enumeration;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.inject.Produces;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.servlet.ServletRequest;
@RequestScoped
public class HttpParams {
//A thread local variable to house the servlet request. This is set by the
//servlet filter. This is not a recommended way to get hold of HttpServletRequest
//in a CDI bean but a workaround that is described in
//http://www.seamframework.org/Community/HowToReachHttpServletRequestAndHttpServletResponseFromBean
//The right approach is to use JSF's FacesContext as described in
//https://docs.jboss.org/weld/reference/snapshot/en-US/html/injection.html#d0e1635
public static ThreadLocal<ServletRequest> sr = new ThreadLocal<ServletRequest>();
@Produces
@HttpParam("")
String getParamValue(InjectionPoint ip) {
ServletRequest req = sr.get();
String parameterName = ip.getAnnotated().getAnnotation(HttpParam.class).value();
if (parameterName.trim().equals("")) parameterName = ip.getMember().getName();
return req.getParameter(parameterName);
}
}