magoffin.matt.ma2.web
Class ShadowServerController

java.lang.Object
  org.springframework.context.support.ApplicationObjectSupport
      org.springframework.web.context.support.WebApplicationObjectSupport
          org.springframework.web.servlet.support.WebContentGenerator
              org.springframework.web.servlet.mvc.AbstractController
                  org.springframework.web.servlet.mvc.BaseCommandController
                      org.springframework.web.servlet.mvc.AbstractCommandController
                          magoffin.matt.ma2.web.AbstractCommandController
                              magoffin.matt.ma2.web.ShadowServerController

All Implemented Interfaces:

org.springframework.context.ApplicationContextAware, org.springframework.web.servlet.mvc.Controller, org.springframework.web.servlet.mvc.LastModified

public class ShadowServerController
extends AbstractCommandController
implements org.springframework.web.servlet.mvc.LastModified

Controller for serving up media item shadows.

Version:

$Revision: 43 $ $Date: 2007-10-21 11:10:01 +1300 (Sun, 21 Oct 2007) $

Author:

Matt Magoffin (spamsqr@msqr.us)

Nested Class Summary

static class

ShadowServerController.Command Command class for shadow server.

Field Summary

static java.lang.String

OUTPUT_MIME The MIME type of the generated image.

Fields inherited from class magoffin.matt.ma2.web.AbstractCommandController

HTTP_USER_AGENT_HEADER

Fields inherited from class org.springframework.web.servlet.mvc.BaseCommandController

DEFAULT_COMMAND_NAME

Fields inherited from class org.springframework.web.servlet.support.WebContentGenerator

HEADER_CACHE_CONTROL, HEADER_EXPIRES, HEADER_PRAGMA, METHOD_GET, METHOD_HEAD, METHOD_POST

Fields inherited from class org.springframework.context.support.ApplicationObjectSupport

logger

Constructor Summary

ShadowServerController()

Method Summary

protected void	generateShadow(ShadowServerController.Command cmd, java.io.OutputStream out) Generate the shadow and send to the output stream.
protected java.lang.String	getCacheKey(ShadowServerController.Command cmd) Generate a cache key for the given command.
long	getLastModified(javax.servlet.http.HttpServletRequest request)
net.sf.ehcache.Cache	getShadowCache()
protected org.springframework.web.servlet.ModelAndView	handle(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.Object command, org.springframework.validation.BindException errors)
void	setShadowCache(net.sf.ehcache.Cache shadowCache)

Methods inherited from class magoffin.matt.ma2.web.AbstractCommandController

getDomainObjectFactory, getErrorView, getMessagesSource, getSuccessView, getSystemBiz, getWebHelper, initApplicationContext, registerCalendarEditor, setDomainObjectFactory, setErrorView, setMessagesSource, setSuccessView, setSystemBiz, setWebHelper

Methods inherited from class org.springframework.web.servlet.mvc.AbstractCommandController

handleRequestInternal

Methods inherited from class org.springframework.web.servlet.mvc.BaseCommandController

bindAndValidate, checkCommand, createBinder, createCommand, getBindingErrorProcessor, getCommand, getCommandClass, getCommandName, getMessageCodesResolver, getPropertyEditorRegistrars, getValidator, getValidators, initBinder, isValidateOnBinding, onBind, onBind, onBindAndValidate, setBindingErrorProcessor, setCommandClass, setCommandName, setMessageCodesResolver, setPropertyEditorRegistrar, setPropertyEditorRegistrars, setValidateOnBinding, setValidator, setValidators, suppressBinding, suppressValidation

Methods inherited from class org.springframework.web.servlet.mvc.AbstractController

handleRequest, isSynchronizeOnSession, setSynchronizeOnSession

Methods inherited from class org.springframework.web.servlet.support.WebContentGenerator

applyCacheSeconds, applyCacheSeconds, cacheForSeconds, cacheForSeconds, checkAndPrepare, checkAndPrepare, getCacheSeconds, getSupportedMethods, isRequireSession, isUseCacheControlHeader, isUseExpiresHeader, preventCaching, setCacheSeconds, setRequireSession, setSupportedMethods, setUseCacheControlHeader, setUseExpiresHeader

Methods inherited from class org.springframework.web.context.support.WebApplicationObjectSupport

getServletContext, getTempDir, getWebApplicationContext, isContextRequired

Methods inherited from class org.springframework.context.support.ApplicationObjectSupport

getApplicationContext, getMessageSourceAccessor, requiredContextClass, setApplicationContext

Methods inherited from class java.lang.Object

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

Field Detail

OUTPUT_MIME

public static final java.lang.String OUTPUT_MIME

The MIME type of the generated image.

See Also:

Constant Field Values

Constructor Detail

ShadowServerController

public ShadowServerController()

Method Detail

handle

protected org.springframework.web.servlet.ModelAndView handle(javax.servlet.http.HttpServletRequest request,
                                                              javax.servlet.http.HttpServletResponse response,
                                                              java.lang.Object command,
                                                              org.springframework.validation.BindException errors)
                                                       throws java.lang.Exception

Specified by:

handle in class org.springframework.web.servlet.mvc.AbstractCommandController

Throws:

java.lang.Exception

getCacheKey

protected java.lang.String getCacheKey(ShadowServerController.Command cmd)

Generate a cache key for the given command.

Parameters:

cmd - the command

Returns:

a cache key

getLastModified

public long getLastModified(javax.servlet.http.HttpServletRequest request)

Specified by:

getLastModified in interface org.springframework.web.servlet.mvc.LastModified

generateShadow

protected void generateShadow(ShadowServerController.Command cmd,
                              java.io.OutputStream out)
                       throws java.io.IOException

Generate the shadow and send to the output stream.

Other classes might want to override this method to generate the shadow in a different way.

Parameters:

cmd - the command

out - the output stream

Throws:

java.io.IOException - if an IO error occurs

getShadowCache

public net.sf.ehcache.Cache getShadowCache()

Returns:

Returns the shadowCache.

setShadowCache

public void setShadowCache(net.sf.ehcache.Cache shadowCache)

Parameters:

shadowCache - The shadowCache to set.