/* */package com.sun.j2ee.workflow.control.filters;import javax.servlet.ServletRequest;import javax.servlet.ServletResponse;import javax.servlet.ServletInputStream;import javax.servlet.Filter;import javax.servlet.FilterChain;import javax.servlet.FilterConfig;import javax.servlet.http.HttpServletRequestWrapper;import javax.servlet.http.*;import java.io.*;import java.util.*;/** * @author Jian (James) Cai */public class GenericRequestWrapper extends HttpServletRequestWrapper{     private ByteArrayInputStream instream;    private int contentLength;    private String contentType;    private Hashtable pratable = new Hashtable();    private boolean logToFile = true;    //private String logFileName = "../logs/filterwapper.out";    private FileOutputStream logFileOut=null;        public GenericRequestWrapper(HttpServletRequest request)    { 	super(request);	//instream=new ByteArrayInputStream();    }         public String getParameter(String name)     {	return (String)pratable.get(name);    }        public Map getParameterMap()     {	return pratable;    }                   public Enumeration getParameterNames()    {	return pratable.keys();    }    public String[] getParameterValues(String name)    {	//log("Get ParameterValue:"+ name);	String[] value = new String[1];	value[0]= (String)pratable.get(name);	//log("Value Got: "+ value[0]);	return value;    }    public void setParameterValue(String parameter, String value)    {	//log("Set Parameter:"+parameter+" Value:"+ value);	if (pratable.containsKey(parameter))	    {		pratable.remove(parameter);	    }	pratable.put(parameter, value);    }  /***********************************************************     * Log a message to the servlet context application log.     *     * @param message Message to be logged     **********************************************************/     /*    protected void log(String message) {	try	    {		if ( logToFile==true )		    {			if ( logFileOut == null )			    {				logFileOut = new FileOutputStream( logFileName );			    }			  			logFileOut.write( ("Request Wrapper: " + message).getBytes());			logFileOut.write ( "\n".getBytes());		    }		System.out.println("Request Wrapper: " + message);	    }		catch (Exception e )		{			System.out.println("Exception occured : " + e );		}    }    */    /*******************************************************************     * Log a message and associated exception to the servlet context     * application log.     *     * @param message Message to be logged     * @param throwable Exception to be logged     ******************************************************************/     /*    protected void log(String message, Throwable throwable) {			try	    {		if ( logToFile==true )		    {			if ( logFileOut == null )			      {				  logFileOut = new FileOutputStream( logFileName, true );			      }			  			logFileOut.write( ("Request Wrapper: " + message).getBytes() );			logFileOut.write ( "\n".getBytes() );		    }		System.out.println("Request Wrapper: " + message);		throwable.printStackTrace(System.out);	    }	catch (Exception e )	    {		System.out.println("Exception occured : " + e );	    }    }       */}