com.liferay.document.library.kernel.util

Class RawMetadataProcessorUtil

Object

com.liferay.document.library.kernel.util.RawMetadataProcessorUtil

public class RawMetadataProcessorUtil
extends Object

Document library processor responsible for the generation of raw metadata associated with all of the the files stored in the document library.

This processor automatically and assynchronously extracts the metadata from all of the files stored in the document library. The metadata extraction is done with the help of TikaRawMetadataProcessor

Author:

Alexander Chow, Mika Koivisto, Miguel Pastor

Constructor Summary

Constructors

Constructor and Description
RawMetadataProcessorUtil()

Method Summary

Modifier and Type	Method and Description
static void	cleanUp(FileEntry fileEntry)
static void	cleanUp(FileVersion fileVersion)
static void	generateMetadata(FileVersion fileVersion) Generates the raw metadata associated with the file entry.
static RawMetadataProcessor	getRawMetadataProcessor()
static boolean	isSupported(FileVersion fileVersion)
static boolean	isSupported(String mimeType)
static void	saveMetadata(FileVersion fileVersion) Saves the raw metadata present in the file version.
static void	trigger(FileVersion fileVersion) Launches extraction of raw metadata from the file version.

Methods inherited from class Object

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

Constructor Detail

RawMetadataProcessorUtil

public RawMetadataProcessorUtil()

Method Detail

cleanUp

public static void cleanUp(FileEntry fileEntry)

cleanUp

public static void cleanUp(FileVersion fileVersion)

generateMetadata

public static void generateMetadata(FileVersion fileVersion)
                             throws PortalException

Generates the raw metadata associated with the file entry.

Parameters:

fileVersion - the file version from which the raw metatada is to be generated

Throws:

PortalException

getRawMetadataProcessor

public static RawMetadataProcessor getRawMetadataProcessor()

isSupported

public static boolean isSupported(FileVersion fileVersion)

isSupported

public static boolean isSupported(String mimeType)

saveMetadata

public static void saveMetadata(FileVersion fileVersion)
                         throws PortalException

Saves the raw metadata present in the file version.

The raw metadata present in the file version is extracted and persisted using TikaRawMetadataProcessor.

Parameters:

fileVersion - the file version from which the raw metatada is to be extracted and persisted

Throws:

PortalException

trigger

public static void trigger(FileVersion fileVersion)

Launches extraction of raw metadata from the file version.

The raw metadata extraction is done asynchronously.

Parameters:

fileVersion - the latest file version from which the raw metadata is to be generated