info.magnolia.cms.servlets
Class CommandBasedMVCServletHandler

java.lang.Object
  info.magnolia.cms.servlets.MVCServletHandlerImpl
      info.magnolia.cms.servlets.CommandBasedMVCServletHandler

All Implemented Interfaces:

MVCServletHandler

public abstract class CommandBasedMVCServletHandler
extends MVCServletHandlerImpl

This implementation tries first to get a command form it's command catalogue. If none is found it will call the execute method of the default MVCServletHandlerImpl, which tries to execute through reflection a related method.

Version:

$Revision: 32667 $ ($Author: gjoseph $)

Author:

Philipp Bracher

Field Summary

Fields inherited from class info.magnolia.cms.servlets.MVCServletHandlerImpl

exception, request, response, VIEW_ERROR, VIEW_SUCCESS

Fields inherited from interface info.magnolia.cms.servlets.MVCServletHandler

VIEW_NOTHING

Constructor Summary

protected

CommandBasedMVCServletHandler(java.lang.String name, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)

Method Summary

java.lang.String	execute(java.lang.String commandName) Try to get the command from the catalogue
protected org.apache.commons.chain.Command	findCommand(java.lang.String commandName) Used to get the command object
java.lang.String	getCatalogueName()
protected Context	getCommandContext(java.lang.String commandName) The default implementation returns the current context
protected java.lang.String	getViewNameAfterExecution(java.lang.String commandName, Context ctx) Default implemenation returns the commandName itself
void	setCatalogueName(java.lang.String catalogueName)

Methods inherited from class info.magnolia.cms.servlets.MVCServletHandlerImpl

getCommand, getException, getExceptionStackTrace, getName, getRequest, getResponse, init, populateFromRequest, setCommand, setRequest, setResponse

Methods inherited from class java.lang.Object

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

Methods inherited from interface info.magnolia.cms.servlets.MVCServletHandler

renderHtml

Constructor Detail

CommandBasedMVCServletHandler

protected CommandBasedMVCServletHandler(java.lang.String name,
                                        javax.servlet.http.HttpServletRequest request,
                                        javax.servlet.http.HttpServletResponse response)

Parameters:

name -

request -

response -

Method Detail

execute

public java.lang.String execute(java.lang.String commandName)

Try to get the command from the catalogue

Specified by:

execute in interface MVCServletHandler

Overrides:

execute in class MVCServletHandlerImpl

Returns:

the name of the view to show (used in renderHtml)

getViewNameAfterExecution

protected java.lang.String getViewNameAfterExecution(java.lang.String commandName,
                                                     Context ctx)

Default implemenation returns the commandName itself

Parameters:

commandName -

ctx -

Returns:

the view name returned by this execution

findCommand

protected org.apache.commons.chain.Command findCommand(java.lang.String commandName)

Used to get the command object

Parameters:

commandName -

Returns:

the callable command object

getCommandContext

protected Context getCommandContext(java.lang.String commandName)

The default implementation returns the current context

Parameters:

commandName - the name of the command to be called

Returns:

the context to pass to the command

getCatalogueName

public java.lang.String getCatalogueName()

Returns:

Returns the catalogueName.

setCatalogueName

public void setCatalogueName(java.lang.String catalogueName)

Parameters:

catalogueName - The catalogueName to set.