com.groupdocs.viewer.handlers.input
Class InputDataHandler

java.lang.Object
  com.groupdocs.viewer.handlers.input.InputDataHandler

Direct Known Subclasses:

AzureInputDataHandler, LocalInputDataHandler

public abstract class InputDataHandler
extends Object

Data source interface
Used to define other data sources such as from databases or virtual devices

Author:

Aleksey Permyakov

Constructor Summary

InputDataHandler()

Method Summary

abstract InputStream	getFile(String guid) Get file
abstract File[]	getFileList(String directory) Get files list
abstract FileType	getFileType(String guid) Get file type
boolean	getImage(String guid, String imageSrc, OutputStream outputStream) Get external image (for html and some files with images)
static InputDataHandler	getInputDataHandler() Get InputDataHandler
static InputDataHandler	getInstance() Get InputDataHandler instance
abstract String	saveFile(InputStream inputStream, String fileName, Integer timeToLive) Save file
static void	setInputDataHandler(InputDataHandler inputDataHandler) Set InputDataHandler instance

Methods inherited from class java.lang.Object

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

Constructor Detail

InputDataHandler

public InputDataHandler()

Method Detail

getInstance

public static InputDataHandler getInstance()

Get InputDataHandler instance

Returns:

InputDataHandler instance

setInputDataHandler

public static void setInputDataHandler(InputDataHandler inputDataHandler)

Set InputDataHandler instance

Parameters:

inputDataHandler - InputDataHandler instance

getInputDataHandler

public static InputDataHandler getInputDataHandler()

Get InputDataHandler

Returns:

InputDataHandler

getFileList

public abstract File[] getFileList(String directory)

Get files list

Parameters:

directory - Files location directory

Returns:

Files map, list or array

getFile

public abstract InputStream getFile(String guid)

Get file

Parameters:

guid - File id or file path

Returns:

InputStream of the file

getImage

public boolean getImage(String guid,
                        String imageSrc,
                        OutputStream outputStream)

Get external image (for html and some files with images)

Parameters:

guid - file GUID

imageSrc - value of src attribute from img tag in html file

outputStream - stream to write image data

Returns:

getFileType

public abstract FileType getFileType(String guid)

Get file type

Parameters:

guid - File id or file path

Returns:

FileType of the file

saveFile

public abstract String saveFile(InputStream inputStream,
                                String fileName,
                                Integer timeToLive)

Save file

Parameters:

inputStream -

fileName -

timeToLive -

Returns: