org.wandora.piccolo

Class PiccoloServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.wandora.piccolo.PiccoloServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class PiccoloServlet
extends javax.servlet.http.HttpServlet

A HttpServlet that initializes Piccolo context and passes request actions specified in the action map of the piccolo context. Piccolo is initialized with an xml file processed by XMLParamProcessor. The config file name is taken from init parameter "configfile". A Logger is added to the XMLParamProcessor symbol table before parsing with key "logger". This can be used by the application or any actions or other services to write log entries. The config file should create exactly one object with element name "application" and it should be an instance of Application. This application will receive the http requests. The config file may specify any number of objects with "shutdownhook" element name. They must be instances of PiccoloShutdownHook and their doShutdown method is called when the servlet context is being destroyed and application clean up should be performed.

Author:

olli

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	PiccoloServlet.ServletLogger

Field Summary

Fields

Modifier and Type	Field and Description
private Application	application
private boolean	expired
static long	EXPIRY_DATE
private int	hits
private boolean	initialized
private java.util.Vector	shutdownHooks
private long	starttime
private static long	statlength

Constructor Summary

Constructors

Constructor and Description
PiccoloServlet() Creates a new instance of PiccoloServlet

Method Summary

Modifier and Type	Method and Description
void	destroy()
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
void	init()
private void	initialize()

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EXPIRY_DATE

public static final long EXPIRY_DATE

See Also:

Constant Field Values

application

private Application application

initialized

private boolean initialized

shutdownHooks

private java.util.Vector shutdownHooks

hits

private int hits

starttime

private long starttime

statlength

private static final long statlength

See Also:

Constant Field Values

expired

private boolean expired

Constructor Detail

PiccoloServlet

public PiccoloServlet()

Creates a new instance of PiccoloServlet

Method Detail

init

public void init()

Overrides:

init in class javax.servlet.GenericServlet

initialize

private void initialize()
                 throws java.lang.Exception

Throws:

java.lang.Exception

doGet

protected void doGet(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)

Overrides:

doGet in class javax.servlet.http.HttpServlet

doPost

protected void doPost(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)

Overrides:

doPost in class javax.servlet.http.HttpServlet

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Servlet

Overrides:

destroy in class javax.servlet.GenericServlet