hirondelle.fish.exercise.fileupload
Class ImageDownloadAction

Object
  ActionImpl
      hirondelle.fish.exercise.fileupload.ImageDownloadAction

All Implemented Interfaces:

Action

public final class ImageDownloadAction
extends ActionImpl

Fetch an image from the database, and serve it directly to the client, without using a JSP.

Field Summary

static SqlId	FETCH_IMAGE
static RequestParameter	IMAGE_ID

Fields inherited from class ActionImpl

DATA, ERRORS, ITEM_FOR_EDIT, ITEMS_FOR_LISTING, MESSAGES, USER_ID

Constructor Summary

ImageDownloadAction(RequestParser aRequestParser)

Method Summary

ResponsePage

execute()

Methods inherited from class ActionImpl

addError, addError, addError, addMessage, addMessage, addToRequest, addToSession, copyFromSessionToRequest, createSessionAndCsrfToken, endSession, getErrors, getExistingSession, getFromSession, getIdParam, getIdParams, getLocale, getLoggedInUserName, getMessages, getOperation, getOrderBy, getParam, getParamUnsafe, getRequestParser, getResponsePage, getTimeZone, getUserId, hasErrors, removeFromSession, setResponsePage

Methods inherited from class Object

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

Field Detail

IMAGE_ID

public static final RequestParameter IMAGE_ID

FETCH_IMAGE

public static final SqlId FETCH_IMAGE

Constructor Detail

ImageDownloadAction

public ImageDownloadAction(RequestParser aRequestParser)

Method Detail

execute

public ResponsePage execute()
                     throws AppException

Specified by:

execute in interface Action

Specified by:

execute in class ActionImpl

Throws:

AppException