abstractrequesthelper.java

以前做的一个j2ee的项目

package gov.gdlt.ssgly.taxcore.taxblh.gzda.service.xmlinterface.impl;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import java.io.IOException;

import java.util.Properties;
import java.math.BigDecimal;
import java.util.Enumeration;
import gov.gdlt.ssgly.taxcore.taxblh.gzda.service.xmlinterface.*;
public abstract class AbstractRequestHelper {
    private HttpServletRequest request = null;
    private HttpServletResponse response = null;
    private Properties properties = null;
    private String xml="";


   /** Creates instance of me
   * @param request servlet request
   * @param response servlet response
   */
AbstractRequestHelper( HttpServletRequest request, HttpServletResponse response){
    this.request = request;
    this.response = response;
    this.properties = getProperties( request );

 }

   /** Returns the servlet request for this session
   */
     public HttpServletRequest getRequest() {
       return request;
     }

   /** Returns the servlet response for this session
   */
     public HttpServletResponse getResponse() {
       return response;
     }

    public String getTaskId(){

      return this.request.getParameter("ACTION");
    }


   /** Returns the command to exceute.
   */
     public abstract Command getCommand();

     public Properties getProperties( ) {
       return properties;
     }

   /** Transulates servlet request properties to java properties.
   */
     public abstract Properties getProperties(HttpServletRequest httpservletrequest);
     /**
     {
         Properties properties = new Properties();
         for( Enumeration enumeration =
                    httpservletrequest.getParameterNames();
                    enumeration.hasMoreElements();) {
           Object obj = enumeration.nextElement();
           String s = httpservletrequest.getParameterValues((String)obj)[0];
           System.out.println( "Parameter name ="+ obj.toString() + ", Parameter value =" + s );
           if( ! isAny(s)) {
             try {
               properties.put(obj, new BigDecimal(s));
             } catch(NumberFormatException _ex) {
               properties.put(obj, s);
             }
           }
         }
         return properties;
     }
  **/
     public void setParaXml(String xml){
         this.xml=xml;


     }
     public String getParaXml(){
             //XmlGetter xmlGetter = new XmlGetter();

             //String xml = XmlGetter.getData(this.request, "gb2312");
             //if((xml.trim()=="")||(xml==null)){
             String 	xml=this.xml;
             //}
             //System.out.println("xml="+xml);
      return xml;
     }
     private static boolean isAny(String s) {
         return s.equals("Any");
	    }
}