org.semanticdesktop.aperture.extractor.xmp
Class XMPExtractor

java.lang.Object
  org.semanticdesktop.aperture.extractor.xmp.XMPExtractor

All Implemented Interfaces:

Extractor

public class XMPExtractor
extends Object
implements Extractor

A Refactoring of the Apache XML Graphics Commons XMP reader. This Extractor locates the XMP packet and extracts the RDF/XML data.

Version:

$Revision:$

Author:

Ryan J. McDonough

Constructor Summary

XMPExtractor()

Method Summary

void	extract(URI uri, InputStream in, Charset charset, String mimeType, RDFContainer result) Locates an XMP packet in a stream, parses it and returns the XMP metadata.

Methods inherited from class java.lang.Object

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

Constructor Detail

XMPExtractor

public XMPExtractor()

Method Detail

extract

public void extract(URI uri,
                    InputStream in,
                    Charset charset,
                    String mimeType,
                    RDFContainer result)
             throws ExtractorException

Locates an XMP packet in a stream, parses it and returns the XMP metadata. If no XMP packet is found until the stream ends, null is returned. Note: This method only finds the first XMP packet in a stream. And it cannot determine whether it has found the right XMP packet if there are multiple packets.

Specified by:

extract in interface Extractor

Parameters:

in - the InputStream to search

model -

namespace -

Throws:

ExtractorException - in case of any error during the extraction process.