com.atlassian.confluence.pages.thumbnail

Interface ThumbnailManager

All Known Implementing Classes:

DefaultThumbnailManager

public interface ThumbnailManager

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	THUMBNAIL_PATH_SUFFIX

Method Summary

Methods

Modifier and Type	Method and Description
com.atlassian.core.util.thumbnail.Thumbnail	getThumbnail(Attachment attachment) Returns a thumbnail for this attachment having ensured the thumbnail exists in the filesystem, generating it only if it doesn't already exist.
java.io.InputStream	getThumbnailData(Attachment attachment) retrieves the thumbnail data (as a stream) from where it was stored in the file system
java.io.File	getThumbnailFile(Attachment attachment) returns the path to the thumbnail for this attachment
ThumbnailInfo	getThumbnailInfo(Attachment attachment) Return the details of a thumbnail for a given attachment without actually creating the thumbnail file on disk.
ThumbnailInfo	getThumbnailInfo(Attachment attachment, java.lang.String rootAttachmentPath) Return the details of a thumbnail for a given attachment without actually creating the thumbnail file on disk.
java.util.Collection<com.atlassian.core.util.thumbnail.Thumbnail>	getThumbnails(java.util.Collection<Attachment> attachments) Deprecated. since 5.4. No replacement.
boolean	isThumbnailable(Attachment attachment) checks the content type/mime type of the attachment to determine whether a thumbnail can be created from it
boolean	isThumbnailable(java.io.InputStream imageData) Deprecated. since 5.4.
boolean	isThumbnailable(ThumbnailInfo info)
boolean	removeThumbnail(Attachment attachment) Removes the thumbnail for the specified attachment.

Field Detail

THUMBNAIL_PATH_SUFFIX

static final java.lang.String THUMBNAIL_PATH_SUFFIX

Method Detail

getThumbnails

@Deprecated
java.util.Collection<com.atlassian.core.util.thumbnail.Thumbnail> getThumbnails(java.util.Collection<Attachment> attachments)
                                                                                throws java.lang.Exception

Deprecated. since 5.4. No replacement.

Throws:

java.lang.Exception

isThumbnailable

boolean isThumbnailable(Attachment attachment)

checks the content type/mime type of the attachment to determine whether a thumbnail can be created from it

getThumbnailData

java.io.InputStream getThumbnailData(Attachment attachment)
                                     throws java.io.FileNotFoundException

retrieves the thumbnail data (as a stream) from where it was stored in the file system

Throws:

java.io.FileNotFoundException

getThumbnailFile

java.io.File getThumbnailFile(Attachment attachment)

returns the path to the thumbnail for this attachment

removeThumbnail

boolean removeThumbnail(Attachment attachment)

Removes the thumbnail for the specified attachment.

Returns:

true if the thumbnail was found and was successfully removed. False if no thumbnail was found or the thumbnail could not be removed.

getThumbnail

com.atlassian.core.util.thumbnail.Thumbnail getThumbnail(Attachment attachment)
                                                         throws java.lang.IllegalArgumentException

Returns a thumbnail for this attachment having ensured the thumbnail exists in the filesystem, generating it only if it doesn't already exist. The size of the thumbnail is set by the application's configuration.

Throws:

java.lang.IllegalArgumentException - if the attachment is an inappropriate type for thumbnailing, i.e. isThumbnailable(Attachment) returns false

getThumbnailInfo

ThumbnailInfo getThumbnailInfo(Attachment attachment)
                               throws CannotGenerateThumbnailException

Return the details of a thumbnail for a given attachment without actually creating the thumbnail file on disk. The address of the thumbnail will be rooted at the context path, rather than the base url. The thumbnail maximum size is taken from the global settings.

Returns:

thumbnail information for the attachment, never null

Throws:

CannotGenerateThumbnailException - if no thumbnail information can be generated for this thumbnail.

getThumbnailInfo

ThumbnailInfo getThumbnailInfo(Attachment attachment,
                             java.lang.String rootAttachmentPath)
                               throws CannotGenerateThumbnailException

Return the details of a thumbnail for a given attachment without actually creating the thumbnail file on disk. The address of the thumbnail will be rooted at the context path, rather than the base url. The thumbnail maximum size is taken from the global settings.

Parameters:

rootAttachmentPath - path to the thumbnail, excepting the thumbnail itself. Eg the value returned by ConfluenceRenderUtils.getAttachmentRemotePath(com.atlassian.confluence.pages.Attachment).

Returns:

thumbnail information for the attachment, never null

Throws:

CannotGenerateThumbnailException - if no thumbnail information can be generated for this thumbnail.

isThumbnailable

boolean isThumbnailable(ThumbnailInfo info)

isThumbnailable

@Deprecated
boolean isThumbnailable(java.io.InputStream imageData)

Deprecated. since 5.4.