Top Description Inners Fields Constructors Methods
org.mortbay.jetty.servlet

public Class Invoker

extends HttpServlet
Class Inheritance
Imports
java.io.IOException, java.util.Enumeration, .HashMap, .Map, javax.servlet.ServletContext, .ServletException, .UnavailableException, javax.servlet.http.HttpServlet, .HttpServletRequest, .HttpServletRequestWrapper, .HttpServletResponse, org.mortbay.jetty.Dispatcher, .Handler, org.mortbay.jetty.handler.ContextHandler, .HandlerWrapper, org.mortbay.log.Log, org.mortbay.util.LazyList, .URIUtil
Dynamic Servlet Invoker. This servlet invokes anonymous servlets that have not been defined in the web.xml or by other means. The first element of the pathInfo of a request passed to the envoker is treated as a servlet name for an existing servlet, or as a class name of a new servlet. This servlet is normally mapped to /servlet/* This servlet support the following initParams: 
                                                                     
 nonContextServlets       If false, the invoker can only load        
                          servlets from the contexts classloader.    
                          This is false by default and setting this  
                          to true may have security implications.    

 verbose                  If true, log dynamic loads                 

 *                        All other parameters are copied to the     
                          each dynamic servlet as init parameters
Author
Greg Wilkins (gregw)
Version
$Id: Invoker.java 3736 2008-10-04 22:19:26Z gregw $

Nested and Inner Type Summary

Modifier and TypeClass and Description
pack-priv class
Invoker.Request

Field Summary

Modifier and TypeField and Description
private ContextHandler
_contextHandler

private Map.Entry<K, V>
_invokerEntry

private boolean
_nonContextServlets

private Map<K, V>
_parameters

private ServletHandler
_servletHandler

private boolean
_verbose

Constructor Summary

AccessConstructor and Description
public
Invoker()

Method Summary

Modifier and TypeMethod and Description
private ServletHolder
getHolder(ServletHolder[] holders, String servlet)

public void
init()

Overrides javax.servlet.GenericServlet.init.

A convenience method which can be overridden so that there's no need to call super.init(config).
protected void
service(HttpServletRequest
the HttpServletRequest object that contains the request the client made of the servlet
request, HttpServletResponse
the HttpServletResponse object that contains the response the servlet returns to the client
response)

Overrides javax.servlet.http.HttpServlet.service.

Receives standard HTTP requests from the public service method and dispatches them to the doXXX methods defined in this class.
Inherited from javax.servlet.http.HttpServlet:
doDeletedoGetdoHeaddoOptionsdoPostdoPutdoTracegetLastModifiedservice

Field Detail

_contextHandlerback to summary
private ContextHandler _contextHandler
_invokerEntryback to summary
private Map.Entry<K, V> _invokerEntry
_nonContextServletsback to summary
private boolean _nonContextServlets
_parametersback to summary
private Map<K, V> _parameters
_servletHandlerback to summary
private ServletHandler _servletHandler
_verboseback to summary
private boolean _verbose

Constructor Detail

Invokerback to summary
public Invoker()

Method Detail

getHolderback to summary
private ServletHolder getHolder(ServletHolder[] holders, String servlet)
initback to summary
public void init()

Overrides javax.servlet.GenericServlet.init.

Doc from javax.servlet.GenericServlet.init.

A convenience method which can be overridden so that there's no need to call super.init(config).

Instead of overriding init(ServletConfig), simply override this method and it will be called by GenericServlet.init(ServletConfig config). The ServletConfig object can still be retrieved via getServletConfig.

serviceback to summary
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException

Overrides javax.servlet.http.HttpServlet.service.

Doc from javax.servlet.http.HttpServlet.service.

Receives standard HTTP requests from the public service method and dispatches them to the doXXX methods defined in this class. This method is an HTTP-specific version of the javax.servlet.Servlet#service method. There's no need to override this method.

Parameters
request:HttpServletRequest

the HttpServletRequest object that contains the request the client made of the servlet

response:HttpServletResponse

the HttpServletResponse object that contains the response the servlet returns to the client

Exceptions
ServletException:
if the HTTP request cannot be handled
IOException:
if an input or output error occurs while the servlet is handling the HTTP request
org.mortbay.jetty.servlet back to summary

pack-priv Class Invoker.Request

extends HttpServletRequestWrapper
Class Inheritance

Field Summary

Modifier and TypeField and Description
pack-priv boolean
_included

pack-priv String
_pathInfo

pack-priv String
_servletPath

Constructor Summary

AccessConstructor and Description
pack-priv
Request(HttpServletRequest request, boolean included, String name, String servletPath, String pathInfo)

Method Summary

Modifier and TypeMethod and Description
public Object
getAttribute(String
a String specifying the name of the attribute
name)

Overrides javax.servlet.ServletRequestWrapper.getAttribute.

Implements javax.servlet.ServletRequest.getAttribute.

Returns the value of the named attribute as an Object, or null if no attribute of the given name exists.
public String
getPathInfo()

Overrides javax.servlet.http.HttpServletRequestWrapper.getPathInfo.

Implements javax.servlet.http.HttpServletRequest.getPathInfo.

The default behavior of this method is to return getPathInfo() on the wrapped request object.
public String
getServletPath()

Overrides javax.servlet.http.HttpServletRequestWrapper.getServletPath.

Implements javax.servlet.http.HttpServletRequest.getServletPath.

The default behavior of this method is to return getServletPath() on the wrapped request object.
Inherited from javax.servlet.http.HttpServletRequestWrapper:
authenticatechangeSessionIdgetAuthTypegetContextPathgetCookiesgetDateHeadergetHeadergetHeaderNamesgetHeadersgetHttpServletMappinggetIntHeadergetMethodgetPartgetPartsgetPathTranslatedgetQueryStringgetRemoteUsergetRequestedSessionIdgetRequestURIgetRequestURLgetSessiongetSessiongetTrailerFieldsgetUserPrincipalisRequestedSessionIdFromCookieisRequestedSessionIdFromURLisRequestedSessionIdFromUrlisRequestedSessionIdValidisTrailerFieldsReadyisUserInRoleloginlogoutnewPushBuilderupgrade

Field Detail

_includedback to summary
pack-priv boolean _included
_pathInfoback to summary
pack-priv String _pathInfo
_servletPathback to summary
pack-priv String _servletPath

Constructor Detail

Requestback to summary
pack-priv Request(HttpServletRequest request, boolean included, String name, String servletPath, String pathInfo)

Method Detail

getAttributeback to summary
public Object getAttribute(String name)

Overrides javax.servlet.ServletRequestWrapper.getAttribute.

Implements javax.servlet.ServletRequest.getAttribute.

Doc from javax.servlet.ServletRequest.getAttribute.

Returns the value of the named attribute as an Object, or null if no attribute of the given name exists.

Attributes can be set two ways. The servlet container may set attributes to make available custom information about a request. For example, for requests made using HTTPS, the attribute javax.servlet.request.X509Certificate can be used to retrieve information on the certificate of the client. Attributes can also be set programatically using ServletRequest#setAttribute. This allows information to be embedded into a request before a RequestDispatcher call.

Attribute names should follow the same conventions as package names. This specification reserves names matching java.*, javax.*, and sun.*.

Parameters
name:String

a String specifying the name of the attribute

Returns:Object

an Object containing the value of the attribute, or null if the attribute does not exist

getPathInfoback to summary
public String getPathInfo()

Overrides javax.servlet.http.HttpServletRequestWrapper.getPathInfo.

Implements javax.servlet.http.HttpServletRequest.getPathInfo.

Doc from javax.servlet.http.HttpServletRequestWrapper.getPathInfo.

The default behavior of this method is to return getPathInfo() on the wrapped request object.

Returns:String

Doc from javax.servlet.http.HttpServletRequest.getPathInfo.

a String, decoded by the web container, specifying extra path information that comes after the servlet path but before the query string in the request URL; or null if the URL does not have any extra path information

getServletPathback to summary
public String getServletPath()

Overrides javax.servlet.http.HttpServletRequestWrapper.getServletPath.

Implements javax.servlet.http.HttpServletRequest.getServletPath.

Doc from javax.servlet.http.HttpServletRequestWrapper.getServletPath.

The default behavior of this method is to return getServletPath() on the wrapped request object.

Returns:String

Doc from javax.servlet.http.HttpServletRequest.getServletPath.

a String containing the name or path of the servlet being called, as specified in the request URL, decoded, or an empty string if the servlet used to process the request is matched using the "/*" pattern.