XML Server Getting Started    

Appendix A: ServletParameters   Helper Class used in this tutorial 

import java.io.*; 

import javax.servlet.*; 

import javax.servlet.http.*; 

import org.xml.sax.InputSource; 

import org.w3c.dom.Document; 

import org.w3c.dom.NamedNodeMap; 

import org.w3c.dom.Node; 

import org.w3c.dom.NodeList; 

public class ServletParameters 

{ 

public ServletParameters(HttpServletRequest req, ServletContext sc) throws Exception { 

_req = req; 

_sc = sc; 

String contentType = req.getContentType(); 

String contextXML = req.getParameter("contextXML"); 

InputSource is ; 

if ( contextXML!=null ) 

is = new InputSource( new StringBufferInputStream(contextXML)); 

else 

is = new InputSource(req.getInputStream()); 

org.apache.xerces.parsers.DOMParser parser = new org.apache.xerces.parsers.DOMParser(); 

parser.parse( is ); 

_doc = parser.getDocument(); 

} 

    public HttpServletRequest getServletRequest() { 

   return _req; 

} 

    public Document getDocument() { 

   return _doc; 

} 

    public ServletContext getServletContext() { 

   return _sc; 

} 

public String get(String name) { 

return getParameter(_doc, name); 

} 

private void put(String name, String value) { 

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