Package org.dspace.app.mediafilter

Class PDFBoxThumbnail

java.lang.Object

org.dspace.app.mediafilter.MediaFilter

org.dspace.app.mediafilter.PDFBoxThumbnail

All Implemented Interfaces:

FormatFilter, SelfRegisterInputFormats

public class PDFBoxThumbnail
extends MediaFilter
implements SelfRegisterInputFormats

Create JPEG thumbnails from PDF cover page using PDFBox. Based on JPEGFilter: Filter image bitstreams, scaling the image to be within the bounds of thumbnail.maxwidth, thumbnail.maxheight, the size we want our thumbnail to be no bigger than. Creates only JPEGs.

Author:

Ivan Masár helix84@centrum.sk, Jason Sherman jsherman@usao.edu

Constructor Summary

Constructors

Constructor	Description
PDFBoxThumbnail()

Method Summary

Modifier and Type	Method	Description
String	getBundleName()
String	getDescription()
InputStream	getDestinationStream(Item currentItem, InputStream source, boolean verbose)	Read the source stream and produce the filtered content.
String	getFilteredName(String oldFilename)	Get a filename for a newly created filtered bitstream
String	getFormatString()
String[]	getInputDescriptions()
String[]	getInputExtensions()
String[]	getInputMIMETypes()

Methods inherited from class org.dspace.app.mediafilter.MediaFilter

postProcessBitstream, preProcessBitstream

Methods inherited from class java.lang.Object

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

Constructor Detail

PDFBoxThumbnail

public PDFBoxThumbnail()

Method Detail

getFilteredName

public String getFilteredName(String oldFilename)

Description copied from interface: FormatFilter

Get a filename for a newly created filtered bitstream

Specified by:

getFilteredName in interface FormatFilter

Parameters:

oldFilename - name of source bitstream

Returns:

filename generated by the filter - for example, document.pdf becomes document.pdf.txt

getBundleName

public String getBundleName()

Specified by:

getBundleName in interface FormatFilter

Returns:

String bundle name

getFormatString

public String getFormatString()

Specified by:

getFormatString in interface FormatFilter

Returns:

String bitstreamformat

getDescription

public String getDescription()

Specified by:

getDescription in interface FormatFilter

Returns:

String description

getDestinationStream

public InputStream getDestinationStream(Item currentItem,
                                        InputStream source,
                                        boolean verbose)
                                 throws Exception

Description copied from interface: FormatFilter

Read the source stream and produce the filtered content.

Specified by:

getDestinationStream in interface FormatFilter

Parameters:

currentItem - item

source - source input stream

verbose - verbose mode

Returns:

InputStream the resulting input stream

Throws:

Exception - if error

getInputMIMETypes

public String[] getInputMIMETypes()

Specified by:

getInputMIMETypes in interface SelfRegisterInputFormats

getInputDescriptions

public String[] getInputDescriptions()

Specified by:

getInputDescriptions in interface SelfRegisterInputFormats

getInputExtensions

public String[] getInputExtensions()

Specified by:

getInputExtensions in interface SelfRegisterInputFormats