de.must.middle

Class TempFileCreator

java.lang.Object

de.must.middle.TempFileCreator

All Implemented Interfaces:

Exemptible

public class TempFileCreator
extends java.lang.Object
implements Exemptible

Creates temp files from binary data in database, e.g. a temporary PDF file to be read by user.

Constructor Summary

Constructors

Constructor and Description
TempFileCreator(DataObject fileDataObject, java.lang.String columnNameForFileName, java.lang.String columnNameForBinaryData) Constructs a temporary file creator.

Method Summary

Modifier and Type	Method and Description
void	free() Releases external resources.
java.io.File	getFile() Returns the temporary file of the current row of the file data object using the the default temporary-file directory.
java.io.File	getFile(java.lang.String temporaryDirectory) Returns the temporary file of the current row of the file data object.

Methods inherited from class java.lang.Object

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

Constructor Detail

TempFileCreator

public TempFileCreator(DataObject fileDataObject,
                       java.lang.String columnNameForFileName,
                       java.lang.String columnNameForBinaryData)

Constructs a temporary file creator.

Parameters:

fileDataObject - the data object of the table containing the binary data

columnNameForFileName - the name of the column containing the file name

columnNameForBinaryData - the name of the column containing the binary data

Method Detail

getFile

public java.io.File getFile()

Returns the temporary file of the current row of the file data object using the the default temporary-file directory.

Returns:

the temporary file of the current row of the file data object

getFile

public java.io.File getFile(java.lang.String temporaryDirectory)

Returns the temporary file of the current row of the file data object.

Parameters:

temporaryDirectory - a specific temporary directory to be used or null, if the default temporary-file directory should be used

Returns:

the temporary file of the current row of the file data object

free

public void free()

Description copied from interface: Exemptible

Releases external resources. May be called manually without waiting for garbage collection to occur.

Specified by:

free in interface Exemptible