jet.servlet
Class JetResourceServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          jet.servlet.JetResourceServlet

All Implemented Interfaces:

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

public class JetResourceServlet
extends javax.servlet.http.HttpServlet

The servlet - the core class of the jet turbine

Author:

Markus.Meisters@web.de

See Also:

Serialized Form

Field Summary

protected net.sf.ehcache.Cache	cache Simple Cache for filessmaller than 40960 bytes
private java.util.HashMap	debug Holds the regex which hosts etc. are allowed to use debug
private java.lang.String	encoding
private java.util.concurrent.locks.Lock	lock
private org.apache.log4j.Logger	log logger object
private java.util.HashMap	rights Holds the regex which hosts etc. are allowed to use status
private javax.servlet.ServletContext	servletContext the servlet context object
private java.util.HashMap	status Holds the regex which hosts etc. are allowed to use status

Constructor Summary

JetResourceServlet()

Method Summary

void	destroy()
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP GET method.
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP POST method.
private Resource	getContent(javax.servlet.http.HttpServletRequest request, java.lang.String resourceName, java.lang.String type, java.lang.String fileEncoding, boolean stripWhitespaces)
javax.servlet.ServletContext	getServletContext()
java.lang.String	getServletInfo() Returns a short description of the servlet.
void	init(javax.servlet.ServletConfig config) Method to initialize the jet resouce provider servlet
protected void	initCache() Method to initialize the ehcache - initialze only if not aready done
boolean	isDebug(java.lang.String key) indicates if the servlet allows debug modus in jetcontext
boolean	isRights(java.lang.String url) indicates if the servlet allows status modus in jetcontext
boolean	isStatus(java.lang.String host) indicates if the servlet allows status modus in jetcontext
protected void	processRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes requests for both HTTP GET and POST methods.
void	refresh() Refresh the resource cache
private void	setDebug(java.lang.String regex) Set if debug is allowed
private void	setRights(java.lang.String regex) Set which class regex are fetchable
private void	setStatus(java.lang.String regex) Set if status is allowed

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, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Field Detail

lock

private java.util.concurrent.locks.Lock lock

cache

protected net.sf.ehcache.Cache cache

Simple Cache for filessmaller than 40960 bytes

encoding

private java.lang.String encoding

log

private org.apache.log4j.Logger log

logger object

debug

private java.util.HashMap debug

Holds the regex which hosts etc. are allowed to use debug

status

private java.util.HashMap status

Holds the regex which hosts etc. are allowed to use status

rights

private java.util.HashMap rights

Holds the regex which hosts etc. are allowed to use status

servletContext

private javax.servlet.ServletContext servletContext

the servlet context object

Constructor Detail

JetResourceServlet

public JetResourceServlet()

Method Detail

initCache

protected void initCache()

Method to initialize the ehcache - initialze only if not aready done

processRequest

protected final void processRequest(javax.servlet.http.HttpServletRequest request,
                                    javax.servlet.http.HttpServletResponse response)
                             throws javax.servlet.ServletException,
                                    java.io.IOException

Processes requests for both HTTP GET and POST methods.

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException

java.io.IOException

getContent

private Resource getContent(javax.servlet.http.HttpServletRequest request,
                            java.lang.String resourceName,
                            java.lang.String type,
                            java.lang.String fileEncoding,
                            boolean stripWhitespaces)
                     throws NotFoundException,
                            java.net.MalformedURLException,
                            java.io.IOException

Throws:

NotFoundException

java.net.MalformedURLException

java.io.IOException

init

public void init(javax.servlet.ServletConfig config)
          throws javax.servlet.ServletException

Method to initialize the jet resouce provider servlet

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Parameters:

config - servlet config

Throws:

javax.servlet.ServletException

doGet

protected void doGet(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)
              throws javax.servlet.ServletException,
                     java.io.IOException

Handles the HTTP GET method.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException

java.io.IOException

doPost

protected void doPost(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)
               throws javax.servlet.ServletException,
                      java.io.IOException

Handles the HTTP POST method.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException

java.io.IOException

getServletInfo

public java.lang.String getServletInfo()

Returns a short description of the servlet.

Specified by:

getServletInfo in interface javax.servlet.Servlet

Overrides:

getServletInfo in class javax.servlet.GenericServlet

refresh

public void refresh()
             throws java.io.IOException

Refresh the resource cache

Throws:

java.io.IOException

isDebug

public final boolean isDebug(java.lang.String key)

indicates if the servlet allows debug modus in jetcontext

Returns:

boolean debug allowed?

setDebug

private final void setDebug(java.lang.String regex)

Set if debug is allowed

isStatus

public final boolean isStatus(java.lang.String host)

indicates if the servlet allows status modus in jetcontext

Returns:

boolean status allowed?

isRights

public final boolean isRights(java.lang.String url)

indicates if the servlet allows status modus in jetcontext

Returns:

boolean status allowed?

setStatus

private final void setStatus(java.lang.String regex)

Set if status is allowed

setRights

private final void setRights(java.lang.String regex)

Set which class regex are fetchable

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Servlet

Overrides:

destroy in class javax.servlet.GenericServlet

getServletContext

public javax.servlet.ServletContext getServletContext()

Specified by:

getServletContext in interface javax.servlet.ServletConfig

Overrides:

getServletContext in class javax.servlet.GenericServlet