using java.util.Enumeration in OAF

package xxhr.oracle.apps.per.probation.webui;

import oracle.apps.fnd.common.VersionInfo;
import oracle.apps.fnd.framework.webui.OAControllerImpl;
import oracle.apps.fnd.framework.webui.OAPageContext;
import oracle.apps.fnd.framework.webui.beans.OAWebBean;
import oracle.apps.per.selfservice.deployperson.webui.AssignmentCO;

import java.util.Enumeration ;

/**
 * Controller for ...
 */
public class XXHRPerProAssignCO extends AssignmentCO
{
  public static final String RCS_ID="$Header$";
  public static final boolean RCS_ID_RECORDED =
        VersionInfo.recordClassVersion(RCS_ID, "%packagename%");

  /**
   * Layout and page setup logic for a region.
   * @param pageContext the current OA page context
   * @param webBean the web bean corresponding to the region
   */
  public void processRequest(OAPageContext pageContext, OAWebBean webBean)
  {
    super.processRequest(pageContext, webBean);

    if(pageContext.isLoggingEnabled(2)){
          pageContext.writeDiagnostics(this, "XXHR Start of debug", 2);
    }

 /** Code Start **/

 String parameterName;
 Enumeration e = pageContext.getParameterNames();
 while(e.hasMoreElements())
 {
  parameterName = (String)e.nextElement();
  if(pageContext.isLoggingEnabled(2)){
  pageContext.writeDiagnostics(this, "Parameter Name=>" + parameterName + " Parameter Value=> " + pageContext.getParameter(parameterName),2);
  }

 }

/*http://appsoracle-abhi.blogspot.com/2016/07/oaf.code.using-javautilenumeration-in-oaf.html*/