Package org.dspace.app.mediafilter

Class PDFBoxThumbnail

java.lang.Object

org.dspace.app.mediafilter.MediaFilter

org.dspace.app.mediafilter.PDFBoxThumbnail

All Implemented Interfaces:

FormatFilter

public class PDFBoxThumbnail
extends MediaFilter

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()

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 Details

PDFBoxThumbnail

public PDFBoxThumbnail()

Method Details

getFilteredName

public String getFilteredName(String oldFilename)

Description copied from interface: FormatFilter

Get a filename for a newly created filtered bitstream

Parameters:

oldFilename - name of source bitstream

Returns:

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

getBundleName

public String getBundleName()

Returns:

String bundle name

getFormatString

public String getFormatString()

Returns:

String bitstreamformat

getDescription

public String getDescription()

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.

Parameters:

currentItem - item

source - source input stream

verbose - verbose mode

Returns:

InputStream the resulting input stream

Throws:

Exception - if error