Package com.xpn.xwiki.web

Class DownloadAction

java.lang.Object

com.xpn.xwiki.web.XWikiAction

com.xpn.xwiki.web.DownloadAction

All Implemented Interfaces:

com.xpn.xwiki.internal.web.LegacyAction

Direct Known Subclasses:

DownloadRevAction

@Component
@Named("download")
@Singleton
public class DownloadAction
extends XWikiAction

The action for downloading attachments from the server.

Version:

$Id: 3630772c40c1c9fc9fb48cd073a48912c25f1712 $

Field Summary

Fields

Modifier and Type	Field	Description
static String	ACTION_NAME	The identifier of the download action.
static String	ATTACHMENT	The identifier of the attachment disposition.
static String	BLACKLIST_PROPERTY	Key of the blacklist in xwiki.properties.
static String	FORCE_DOWNLOAD_PROPERTY	Key of the forceDownload list in xwiki.properties.
static List<String>	MIMETYPE_WHITELIST	List of authorized attachment mimetypes.
static String	WHITELIST_PROPERTY	Key of the whitelist in xwiki.properties.

Fields inherited from class com.xpn.xwiki.web.XWikiAction

ACTION_PROGRESS, componentDescriptor, container, execution, observation, waitForXWikiInitialization

Constructor Summary

Constructors

Constructor	Description
DownloadAction()

Method Summary

Modifier and Type	Method	Description
String	render(XWikiContext context)
protected void	sendContent(XWikiAttachment attachment, XWikiRequest request, XWikiResponse response, XWikiContext context)	Send the attachment content in the response.
protected boolean	supportRedirections()	Indicate if the action support redirection.

Methods inherited from class com.xpn.xwiki.web.XWikiAction

action, answerJSON, cleanupComponents, csrfTokenCheck, csrfTokenCheck, execute, execute, getContextualAuthorizationManager, getCurrentMixedDocumentReferenceResolver, getCurrentScriptContext, getEntityNameValidationConfiguration, getEntityNameValidationManager, getFormClass, getLocalization, getLocalSerializer, getName, getProgress, getRealPath, getTranslatedDocument, handleRevision, initializeContainerComponent, initializeXWikiContext, initializeXWikiContext, isEntityReferenceNameValid, localizeOrReturnKey, localizePlainOrKey, localizePlainOrReturnKey, readFromTemplate, resolveTemplate, sendGlobalRedirect, sendRedirect, setContentLength, writeAjaxErrorResponse

Methods inherited from class java.lang.Object

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

Field Detail

ACTION_NAME

public static final String ACTION_NAME

The identifier of the download action.

See Also:

Constant Field Values

ATTACHMENT

public static final String ATTACHMENT

The identifier of the attachment disposition.

See Also:

Constant Field Values

MIMETYPE_WHITELIST

public static final List<String> MIMETYPE_WHITELIST

List of authorized attachment mimetypes.

WHITELIST_PROPERTY

public static final String WHITELIST_PROPERTY

Key of the whitelist in xwiki.properties.

See Also:

Constant Field Values

BLACKLIST_PROPERTY

public static final String BLACKLIST_PROPERTY

Key of the blacklist in xwiki.properties.

See Also:

Constant Field Values

FORCE_DOWNLOAD_PROPERTY

@Unstable
public static final String FORCE_DOWNLOAD_PROPERTY

Key of the forceDownload list in xwiki.properties.

Since:

12.10

See Also:

Constant Field Values

Constructor Detail

DownloadAction

public DownloadAction()

Method Detail

render

public String render(XWikiContext context)
              throws XWikiException

Overrides:

render in class XWikiAction

Throws:

XWikiException

supportRedirections

protected boolean supportRedirections()

Description copied from class: XWikiAction

Indicate if the action support redirection. The default value is false.

Overrides:

supportRedirections in class XWikiAction

Returns:

true if the action supports redirections, false otherwise

sendContent

protected void sendContent(XWikiAttachment attachment,
                           XWikiRequest request,
                           XWikiResponse response,
                           XWikiContext context)
                    throws XWikiException

Send the attachment content in the response.

Parameters:

attachment - the attachment to get content from

request - the current client request

response - the response to write to.

context - the XWikiContext just in case it is needed to load the attachment content

Throws:

XWikiException - if something goes wrong