Package org.apache.pdfbox.pdmodel.common

Class PDMetadata

java.lang.Object

org.apache.pdfbox.pdmodel.common.PDStream

org.apache.pdfbox.pdmodel.common.PDMetadata

All Implemented Interfaces:

COSObjectable

public class PDMetadata
extends PDStream

This class represents metadata for various objects in a PDF document.

Author:

Ben Litchfield

Constructor Summary

Constructors

Constructor	Description
PDMetadata(COSStream str)	Constructor.
PDMetadata(PDDocument document)	This will create a new PDMetadata object with the /Type and /Subtype entries for a document level metadata object.
PDMetadata(PDDocument doc, InputStream str)	Constructor.

Method Summary

Modifier and Type	Method	Description
InputStream	exportXMPMetadata()	Extract the XMP metadata.
void	importXMPMetadata(byte[] xmp)	Import an XMP stream into the PDF document.

Methods inherited from class org.apache.pdfbox.pdmodel.common.PDStream

addCompression, createInputStream, createInputStream, createInputStream, createOutputStream, createOutputStream, getCOSObject, getDecodedStreamLength, getDecodeParms, getFile, getFileDecodeParams, getFileFilters, getFilters, getLength, getMetadata, getStream, setDecodedStreamLength, setDecodeParms, setFile, setFileDecodeParams, setFileFilters, setFilters, setMetadata, toByteArray

Methods inherited from class java.lang.Object

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

Constructor Details

PDMetadata

public PDMetadata(PDDocument document)

This will create a new PDMetadata object with the /Type and /Subtype entries for a document level metadata object.

Parameters:

document - The document that the stream will be part of.

PDMetadata

public PDMetadata(PDDocument doc,
 InputStream str)
           throws IOException

Constructor. Reads all data from the input stream and embeds it into the document, this will close the InputStream. The /Type and /Subtype entries for a document level metadata object will be created.

Parameters:

doc - The document that will hold the stream.

str - The stream parameter.

Throws:

IOException - If there is an error creating the stream in the document.

PDMetadata

public PDMetadata(COSStream str)

Constructor. This will not set up the /Type and /Subtype entries.

Parameters:

str - The stream parameter.

Method Details

exportXMPMetadata

public InputStream exportXMPMetadata()
                              throws IOException

Extract the XMP metadata. To persist changes back to the PDF you must call importXMPMetadata.

Returns:

A stream to get the xmp data from.

Throws:

IOException - If there is an error parsing the XMP data.

importXMPMetadata

public void importXMPMetadata(byte[] xmp)
                       throws IOException

Import an XMP stream into the PDF document.

Parameters:

xmp - The XMP data.

Throws:

IOException - If there is an error generating the XML document.