package com.jamonapi.http;

/** Handler that can be used to track request access in jetty.  See www.jamonapi.com for more info on how to
 * add this handler to the jetty.xml file.  This is a wrapper class for the true monitoring class of HttpMonFactory.
 * 
 */
import java.io.IOException;

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


import org.mortbay.jetty.HttpConnection;
import org.mortbay.jetty.Request;
import org.mortbay.jetty.Response;
import org.mortbay.jetty.handler.HandlerWrapper;


public class JAMonJettyHandler extends HandlerWrapper implements HttpMonManage{
    
    private static final String PREFIX="com.jamonapi.http.JAMonJettyHandler";
    private static final String DEFAULT_SUMMARY="default, response.getContentCount().bytes, response.getStatus().value.ms";
    private HttpMonFactory httpMonFactory=new JettyHttpMonFactory(PREFIX);
    private String jamonSummaryLabels="default";
       
    public JAMonJettyHandler() {
        setSummaryLabels(jamonSummaryLabels);
    }
    
    /** Monitor the request and call any other requests in the decorator chain */
    public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException  {
        final Request baseRequest = (request instanceof Request) ? ((Request)request) : HttpConnection.getCurrentConnection().getRequest();
        final Response baseResponse = (response instanceof Response) ? ((Response)response) : HttpConnection.getCurrentConnection().getResponse();

        HttpMon httpMon=null;
        try {
           httpMon=httpMonFactory.start(baseRequest, baseResponse);           

           super.handle(target, request, response, dispatch);
        } catch (Throwable e) {
            httpMon.throwException(e);
         } finally {
            httpMon.stop();
         }
                     
    }

    
    public void setSummaryLabels(String jamonSummaryLabels) {
       httpMonFactory.setSummaryLabels(jamonSummaryLabels, DEFAULT_SUMMARY);
    }

    
    public String getSummaryLabels() {
        return httpMonFactory.getSummaryLabels();
    }
    
    public void addSummaryLabel(String jamonSummaryLabel) {
        httpMonFactory.addSummaryLabel(jamonSummaryLabel);
        
    }

    
    public boolean getIgnoreHttpParams() {
        return httpMonFactory.getIgnoreHttpParams();
    }

    public void setIgnoreHttpParams(boolean ignoreHttpParams) {
        httpMonFactory.setIgnoreHttpParams(ignoreHttpParams);
    }
    
    public void setEnabled(boolean enable) {
        httpMonFactory.setEnabled(enable);
        
    }

    public int getSize() {
        return httpMonFactory.getSize();
    }

    public boolean getEnabled() {
        return httpMonFactory.getEnabled();
    }

    public void setSize(int size) {
        httpMonFactory.setSize(size);
        
    }


    
}