Package adams.flow.transformer.metadata

Class MetaDataExtractor

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.flow.transformer.metadata.AbstractMetaDataExtractor

adams.flow.transformer.metadata.MetaDataExtractor

All Implemented Interfaces:

Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, SizeOfHandler, Serializable

public class MetaDataExtractor
extends AbstractMetaDataExtractor

Uses the MetaDataExtractor library to extract the meta-data.
For more information see:
http://code.google.com/p/metadata-extractor/

-logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST> (property: loggingLevel)
    The logging level for outputting errors and debugging output.
    default: WARNING
 

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
MetaDataExtractor()

Method Summary

Modifier and Type	Method	Description
protected SpreadSheet	doExtract(File file)	Performs the actual meta-data extraction.
String	globalInfo()	Returns a string describing the object.

Methods inherited from class adams.flow.transformer.metadata.AbstractMetaDataExtractor

check, extract, getQuickInfo

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, defineOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, initialize, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Constructor Detail

MetaDataExtractor

public MetaDataExtractor()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface GlobalInfoSupporter

Specified by:

globalInfo in class AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

doExtract

protected SpreadSheet doExtract(File file)
                         throws Exception

Performs the actual meta-data extraction.

Specified by:

doExtract in class AbstractMetaDataExtractor

Parameters:

file - the file to process

Returns:

the meta-data

Throws:

Exception - if extraction fails