Package com.storedobject.core

Class StreamData

java.lang.Object

com.storedobject.core.StoredObject

com.storedobject.core.StreamData

All Implemented Interfaces:

Displayable, StringFiller, ContentType, HasId, HasStreamData

public class StreamData
extends StoredObject
implements ContentType, HasStreamData

Field Summary

Fields inherited from class com.storedobject.core.StoredObject

logger

Constructor Summary

Constructors

Constructor	Description
StreamData()	For internal use only.
StreamData(String contentType)

Method Summary

Modifier and Type	Method	Description
static void	columns(Columns columns)
static StreamData	get(String name)	Get the StreamData instance for the given name.
InputStream	getContent()
final String	getContentType()
String	getFileExtension()
String	getLink()
final String	getMimeType()
StreamData	getStreamData()	Retrieves an instance of StreamData.
StreamDataProvider	getStreamDataProvider()
static StreamData	getViaLink(String link)
final void	setContentType(String contentType)
void	setStreamDataProvider(StreamDataProvider provider)
String	toDisplay()	Display representation of the instance used for human-friendly display.
String	toString()	String representation of the instance.
void	validateData(TransactionManager tm)	The system will invoke this whenever the object is saved to the DB.
void	view(Device device)

Methods inherited from class com.storedobject.core.StoredObject

addLink, addLink, addLink, addLink, addLink, addLink, addLink, addLink, checkCurrency, checkCurrency, checkForDuplicate, checkForDuplicate, checkTimeZone, checkTransaction, clearObjectLinks, contemporary, copy, copy, count, count, count, count, count, count, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countLinks, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, countMasters, create, created, delete, delete, delete, deleted, directUpdate, equals, exists, exists, exists, exists, exists, existsFileData, existsLink, existsLink, existsLink, existsLink, existsLink, existsLink, existsLink, existsLink, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsLinks, existsMaster, existsMaster, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, existsMasters, family, family, family, family, fill, get, get, get, get, get, get, get, get, get, get, get, get, get, get, get, get, get, get, getActor, getAttachment, getAttachmentId, getChildren, getContemporaryOf, getDeleted, getDeleted, getExistsCondition, getExistsCondition, getFileData, getFileData, getHistorical, getId, getKeyIndex, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getMaster, getNotExistsCondition, getNotExistsCondition, getParent, getParent, getParent, getParentId, getParentId, getParentId, getRelated, getRelated, getTransaction, getTransactionId, getTransactionIP, getUnique, getUniqueCondition, hashCode, inserted, isModified, isVirtual, list, list, list, list, list, list, list, list, list, list, list, list, list, listDeletedIds, listFileData, listFileData, listHistory, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listLinks, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listMasters, listTree, listTree, listTree, listTree, listViaQuery, listViaQuery, load, load, load, load, loadAttributesFrom, loaded, loading, makeNew, makeVirtual, migrate, moduleName, nextVersion, objectLink, objectLink, objectLink, objectLinks, objectLinks, old, person, previousVersion, previousVersion, query, query, query, query, query, query, query, query, query, query, query, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryLinks, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, queryMasters, reload, reload, reloaded, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeAllLinks, removeLink, removeLink, removeLink, removeLink, removeLink, removeLink, removeLink, removeLink, removeLink, removeLink, removeLink, removeLink, removeReverseLinks, removeReverseLinks, save, save, save, save, save, save, save, save, save, save, save, save, save, save, save, saved, saving, setMaster, setRawValue, setTransaction, stringify, tableName, timestamp, toCode, transacting, undelete, undelete, undeleted, updated, user, userId, validate, validateChildAttach, validateChildDetach, validateChildUpdate, validateDelete, validateInsert, validateParentAttach, validateParentDetach, validateParentUpdate, validateUndelete, validateUpdate, valueEquals

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.storedobject.core.ContentType

isAudio, isHTML, isImage, isLink, isMedia, isPDF, isText, isVideo

Methods inherited from interface com.storedobject.core.HasStreamData

getFileName, getName

Constructor Details

StreamData

public StreamData(String contentType)

StreamData

public StreamData()

For internal use only.

Method Details

columns

public static void columns(Columns columns)

setStreamDataProvider

public void setStreamDataProvider(StreamDataProvider provider)

getStreamDataProvider

public StreamDataProvider getStreamDataProvider()

getMimeType

public final String getMimeType()

Specified by:

getMimeType in interface ContentType

getContentType

public final String getContentType()

Specified by:

getContentType in interface ContentType

Specified by:

getContentType in interface HasStreamData

setContentType

public final void setContentType(String contentType)

getContent

public InputStream getContent()

getViaLink

public static StreamData getViaLink(String link)

validateData

public void validateData(TransactionManager tm)
                  throws Exception

Description copied from class: StoredObject

The system will invoke this whenever the object is saved to the DB. It will be invoked in all cases while creating new objects and updating/deleting/undeleting existing objects. If any exception is raised by this method, the process of saving to the DB will be abandoned.

Note: This method is mainly used to validate the data of all attributes of the object, and it may be used by others for validating the object. For example, front-end data-entry systems can use this method for validating the object.

Overrides:

validateData in class StoredObject

Parameters:

tm - Current transaction manager.

Throws:

Exception - If data is invalid.

toString

public String toString()

Description copied from class: StoredObject

String representation of the instance. Mostly used for logging purposes.

Overrides:

toString in class StoredObject

Returns:

String representation of the instance.

toDisplay

public String toDisplay()

Description copied from class: StoredObject

Display representation of the instance used for human-friendly display.

Specified by:

toDisplay in interface Displayable

Overrides:

toDisplay in class StoredObject

Returns:

Display representation of the instance.

getFileExtension

public String getFileExtension()

getLink

public String getLink()

Specified by:

getLink in interface ContentType

view

public void view(Device device)

get

public static StreamData get(String name)

Get the StreamData instance for the given name. The name could be the Id of the instance or the Id or name of a FileData instance as a string.

Parameters:

name - Name.

Returns:

StreamData instance if available.

getStreamData

public StreamData getStreamData()

Description copied from interface: HasStreamData

Retrieves an instance of StreamData.

Specified by:

getStreamData in interface HasStreamData

Returns:

a StreamData object, representing the stream data associated with the implementing entity.