eu.ginere.base.web.services.ShowInfoServlet Maven / Gradle / Ivy

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package eu.ginere.base.web.services;


import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

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

import eu.ginere.base.web.connectors.rights.RightInterface;
import eu.ginere.base.web.listener.AbstractWebContextListener;
import eu.ginere.base.web.listener.ContextInitializedException;
import eu.ginere.base.web.servlet.JSONServlet;
import eu.ginere.base.web.servlet.MainServlet;
import eu.ginere.base.web.servlet.info.ServletArgs;
import eu.ginere.base.web.servlet.info.ServletInfo;


public class ShowInfoServlet extends MainServlet{

	private static final String URI = "/servlet/util/ShowInfoServlet";
	private static final String DESCRIPTION = "Returns the information of all the servlet loaded into the context. The servlet are loaded the when the first call is done";

	@Override
	protected ServletArgs[] getArgs() {
		return new ServletArgs[]{
				ServletArgs.getStringParameter("The servlet ID to clear or to print exception","id"),
				ServletArgs.getStringParameter("The action to do: exception,clear","action"),
		};	
	}
	
	@Override
	protected void doService(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		String id=getStringParameter(request, "id",null);
		String accion=getStringParameter(request, "action",null);
		
		response.setCharacterEncoding(JSONServlet.CHARSET);
		response.setContentType("text/html");
		
		PrintWriter writer=response.getWriter();
		
		
		if ("exception".equals(accion)){
			writer.println("");
			MainServlet servlet=AbstractWebContextListener.getServlet(id);
			Exception e=servlet.getInfo().getLastException();
			if (e!=null){
				printException(writer,e);
			} else {
				writer.println("No hay excepcion");
			}
			writer.println("");
			return ;
		} else if ("clear".equals(accion)){
			MainServlet servlet=AbstractWebContextListener.getServlet(id);
			servlet.getInfo().clear();
			return;
		} else {
			writer.println("");
			
			if (id==null){
				List list=AbstractWebContextListener.getServletList();
				for (MainServlet servlet:list){
					printServlet(request,writer,servlet);
					writer.println("");
				}
			} else {
				MainServlet servlet=AbstractWebContextListener.getServlet(id);
				if (servlet==null){
					writer.println("Not Found:");	
					writer.println(id);	
					writer.println("");	
					
				} else {
					printServlet(request,writer,servlet);
					writer.println("");
				}
			}
			writer.println("");
			
		}
		
	}

	private static void printServlet(HttpServletRequest request,PrintWriter writer,MainServlet servlet){
		ServletInfo info=servlet.getInfo();
		ServletArgs args[]=servlet.getServletArgs();

		writer.println("");

		writer.print("");


		printInfo(request,writer,servlet);

		
		writer.println("");
		writer.print(servlet.getServletUri());
		writer.print(" [");
		
		writer.print(info.getServletClass().getName());
		writer.print("]");
		writer.print(servlet.getServletDescription());
		writer.print("");
		
		
		writer.print("Arguments:");
		// Ther argumens
		if (args==null){
			writer.print(" - no Args");
		} else {
			for (ServletArgs arg:args){
				writer.print(arg);
				writer.print("");		
			}
		}
		
		writer.print("Servlet Return:");
		String servletReturn=servlet.getServletReturn();
		// Ther argumens
		if (servletReturn==null){
			writer.print(" - No Def");
		} else {
			writer.print("");
			writer.print(servletReturn);
			writer.print("
");
		}
		
		printRights(request,writer,servlet);
		
		writer.print("");
		
	}

	private static void printRights(HttpServletRequest request,PrintWriter writer,MainServlet servlet){
		RightInterface[] rights=servlet.getServletRights();
		writer.print("Access:");
		
		if (rights==null){
			writer.print(" - Public Access");
		} else if ( rights.length == 0){
			writer.print(" - For users logged only");
		} else {
			for (RightInterface right:rights){
				writer.print(" - ");
				writer.print(right.getId());
				writer.print(" - ");	
				writer.print(right.getName());
				writer.print(" - ");	
				writer.print(right.getDescription());
							
			}
			writer.println("");				
		}

	}
	private static void printInfo(HttpServletRequest request,PrintWriter writer,MainServlet servlet){
		ServletInfo info=servlet.getInfo();
		
		writer.println("");
		writer.println("RunningCall:");
		writer.println("  ");
		writer.println(info.getRunningCall());
		writer.println("");

		writer.println("");
		writer.println("AverageTime:");
		writer.println("  ");
		writer.println(info.getAverageTime());
		writer.println("");

		writer.println("");
		writer.println("ExceptionNumber:");
		writer.println("  ");
		writer.println(info.getExceptionNumber());
		writer.println("");
		
		writer.println("");
		writer.println("Call Number:");
		writer.println("  ");
		writer.println(info.getTotalNumber());
		writer.println("");
		
		writer.println("");
		writer.println("Max Call Time:");
		writer.println("  ");
		writer.println(info.getMaxTime());
		writer.println("");
		
		writer.println("");
		writer.println("Total Consumed Time:");
		writer.println("  ");
		writer.println(info.getTotalTime());
		writer.println("");
		
		if (info.getLastException()==null){
			writer.println("");
			writer.println(" No Exceptions ");
			writer.println("  ");
			writer.println("");
		} else {
			writer.println("");
			writer.println(" Exception ");
			writer.println("  ");
			
			writer.print("");
			writer.print(info.getLastException().getMessage());
			writer.print("");
			writer.println("");
		}


		writer.println("");
		writer.println("Clear");
		writer.println("  ");
		
		writer.print("clear");

		writer.println("");


	}

	private static void printException(PrintWriter writer,Throwable e){
		
		writer.println("Message:");
		writer.println(e.getMessage());
		writer.println("");

		writer.println("Trace:");
		writer.println("");
		e.printStackTrace(writer);
		writer.println("
");
		
		Throwable cause=e.getCause();
		if (cause!=null){
			writer.println("Causa:");
			printException(writer,cause);
			writer.println("");
		}
	}
	
	@Override
	protected RightInterface[] getRights() throws ContextInitializedException {
//		return new RightInterface[]{AbstractWebContextListener.ADMIN_TECH_RIGHT};
		return AbstractWebContextListener.SUPER_ADMIN_TECH;
	}
	
	@Override
	protected String getUri() {
		return URI;
	}

	@Override
	protected String getDescription() {
		return DESCRIPTION;
	}

}