Package adams.gui.tools.previewbrowser

Class AbstractContentHandler

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.gui.tools.previewbrowser.AbstractContentHandler

All Implemented Interfaces:

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

Direct Known Subclasses:

AbstractObjectContentHandler, AbstractReportHandler, AbstractSpreadSheetHandler, ActualVsPredictedHandler, AnnotateImage, AnnotationsAndPredictionsFromReport, ApacheCommonsImageHandler, ApacheCommonsImageMetaDataHandler, BlueChannelImageHandler, BoofCVImageHandler, CocoAnnotationsHandler, ColorDistributionHandler, ConfusionMatrixHandler, ConsoleOutputHandler, DeepLabCutCSVHandler, DetectronAnnotationsHandler, FileInfoHandler, FlowHandler, FromFileHandler, GrayOrIndexedImageHandler, GroovyHandler, HexaDecimalHandler, ImageClassificationHandler, ImageHandler, ImageMetaDataExtractorHandler, ImageSegmentationAnnotationsHandler, IndexedPNGImageHandler, InstanceExplorerHandler, JsonPrettyPrintHandler, JsonTreeViewHandler, ObjectAnnotationsHandler, ObjectCentersFromReport, ObjectLocationsFromReport, ObjectLocationsFromSpreadSheet, PDFHandler, PDFTextHandler, PointsFromReportHandler, PropertiesHandler, ScriptHandler, SerializedFileHandler, SimpleImageSegmentationAnnotationsHandler, TrimapImageHandler, VggXmlAnnotationHandler, ViaAnnotationsHandler, WekaDatasetHandler, XMLHandler, YamlHandler, YoloAnnotationsHandler

public abstract class AbstractContentHandler
extends AbstractOptionHandler
implements ContentHandler

Ancestor for all content handlers.

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static Hashtable<String,List<Class>>	m_Relation	the extenstion archive handlers relation.

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Fields inherited from interface adams.gui.tools.previewbrowser.ContentHandler

MATCH_ALL

Constructor Summary

Constructors

Constructor	Description
AbstractContentHandler()

Method Summary

Modifier and Type	Method	Description
protected String	checkFile(File file)	Performs some checks on the file.
abstract PreviewPanel	createPreview(File file)	Creates the actual preview.
static String[]	getHandlers()	Returns a list with classnames of handlers.
static List<Class>	getHandlersForFile(File file)	Returns the handlers registered for the extension of the specified file.
static List<Class>	getHandlersForFile(String filename)	Returns the handlers registered for the extension of the specified file.
PreviewPanel	getPreview(File file)	Returns the preview for the specified file.
protected static Hashtable<String,List<Class>>	getRelation()	Returns the extension/handlers relation.
static boolean	hasHandler(File file)	Checks whether the specified file is an archive that can be managed.
static boolean	hasHandler(String filename)	Checks whether the specified file is an archive that can be managed.
PreviewPanel	reusePreview(File file, PreviewPanel lastPreview)	Reuses the last preview, if possible.

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, defineOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, globalInfo, 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.gui.tools.previewbrowser.ContentHandler

getExtensions

Methods inherited from interface adams.core.Destroyable

destroy

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Methods inherited from interface adams.core.option.OptionHandler

cleanUpOptions, defineOptions, getOptionManager, toCommandLine

Field Detail

m_Relation

protected static Hashtable<String,List<Class>> m_Relation

the extenstion archive handlers relation.

Constructor Detail

AbstractContentHandler

public AbstractContentHandler()

Method Detail

checkFile

protected String checkFile(File file)

Performs some checks on the file.

Parameters:

file - the file to check

Returns:

null if check passed, otherwise error message

reusePreview

public PreviewPanel reusePreview(File file,
                                 PreviewPanel lastPreview)

Reuses the last preview, if possible.
Default implementation just creates a new preview.

Specified by:

reusePreview in interface ContentHandler

Parameters:

file - the file to create the view for

Returns:

the preview

createPreview

public abstract PreviewPanel createPreview(File file)

Creates the actual preview.

Specified by:

createPreview in interface ContentHandler

Parameters:

file - the file to create the view for

Returns:

the preview

getPreview

public PreviewPanel getPreview(File file)

Returns the preview for the specified file.

Specified by:

getPreview in interface ContentHandler

Parameters:

file - the file to create the view for

Returns:

the preview, NoPreviewAvailablePanel in case of an error

See Also:

NoPreviewAvailablePanel

getHandlers

public static String[] getHandlers()

Returns a list with classnames of handlers.

Returns:

the handler classnames

getRelation

protected static Hashtable<String,List<Class>> getRelation()

Returns the extension/handlers relation.

Returns:

the relation

hasHandler

public static boolean hasHandler(File file)

Checks whether the specified file is an archive that can be managed.

Parameters:

file - the file to check

Returns:

true if the file represents a managed archive

hasHandler

public static boolean hasHandler(String filename)

Checks whether the specified file is an archive that can be managed.

Parameters:

filename - the file to check

Returns:

true if the file represents a managed archive

getHandlersForFile

public static List<Class> getHandlersForFile(File file)

Returns the handlers registered for the extension of the specified file.

Parameters:

file - the file to get the handlers for

Returns:

the handlers, null if none available

getHandlersForFile

public static List<Class> getHandlersForFile(String filename)

Returns the handlers registered for the extension of the specified file.

Parameters:

filename - the file to get the handlers for

Returns:

the handlers, null if none available