source: EDIS/trunk/java/tracking-server-core/src/main/java/gov/va/med/edp/web/controller/TestController.java@ 1227

package gov.va.med.edp.web.controller;

import java.util.Enumeration;
import java.util.Iterator;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;

/**
 * TODO: document PackageClientVersionSynchronizationController
 */
public class TestController extends AbstractController implements InitializingBean {

    public static final String EDIS_MACHINE_NAME_HEADER = "EdisClientMachineName";
    
    private String viewName;
    private static Logger logger = Logger.getLogger(TestController.class);

    public TestController() {
        setRequireSession(true);
    }

    public void afterPropertiesSet() throws Exception {
        Assert.notNull(viewName, "viewName must not be null");
    }

    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
        if (logger.isDebugEnabled()){
                logger.debug("Inside handleRequestInternal() method. The view name is:" + getViewName());
                logger.debug("The value for the HTTP Header '" + EDIS_MACHINE_NAME_HEADER + "' is: " + getClientMachineName(request));
        }
                
        ModelAndView mav = new ModelAndView(getViewName());
        mav.addObject(EDIS_MACHINE_NAME_HEADER, getClientMachineName(request));
        mav.addObject("HttpHeaders", getAllHttpHeaders(request));
        return mav;    
    }


    private Object getAllHttpHeaders(HttpServletRequest request) {
                String headers = "";
                Enumeration headersEnum = request.getHeaderNames();
                while (headersEnum.hasMoreElements()) {
                        String headerName = (String) headersEnum.nextElement();
                        headers = headers + headerName + "=" + request.getHeader(headerName) + "<br/>";
                }
                return headers;
        }

        private String getClientMachineName(HttpServletRequest request) {
                return parseMachineName(request.getHeader(EDIS_MACHINE_NAME_HEADER));
        }

    
    private String parseMachineName(String machineName){
        if (StringUtils.hasText(machineName) && machineName.startsWith("CN=")){
                String name = machineName.substring(3);
                return name;
        }
        return machineName;
    }
    
        public String getViewName() {
        return viewName;
    }

    public void setViewName(String viewName) {
        this.viewName = viewName;
    }


}