org.apache.drill.exec.store.image

Class ImageDirectoryProcessor

java.lang.Object

org.apache.drill.exec.store.image.ImageDirectoryProcessor

public class ImageDirectoryProcessor
extends Object

Although each image format can contain different metadata, they also have common basic information. The class handles basic metadata as well as complex tags.

See Also:

GenericMetadataDirectory, Directory

Constructor Summary

Constructors

Constructor and Description
ImageDirectoryProcessor()

Method Summary

Modifier and Type	Method and Description
protected static void	processDirectory(ImageBatchReader.MapColumnDefn writer, com.drew.metadata.Directory directory, com.drew.metadata.Metadata metadata, ImageFormatConfig config)
protected static void	processGenericMetadataDirectory(GenericMetadataDirectory directory, LinkedHashMap<String,ImageBatchReader.ColumnDefn> genericColumns, ImageFormatConfig config)
protected static void	processValue(ImageBatchReader.MapColumnDefn writer, String name, Object value) Convert the value if necessary
protected static void	processXmpDirectory(ImageBatchReader.MapColumnDefn writer, com.drew.metadata.xmp.XmpDirectory directory)

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageDirectoryProcessor

public ImageDirectoryProcessor()

Method Detail

processGenericMetadataDirectory

protected static void processGenericMetadataDirectory(GenericMetadataDirectory directory,
                                                      LinkedHashMap<String,ImageBatchReader.ColumnDefn> genericColumns,
                                                      ImageFormatConfig config)

processXmpDirectory

protected static void processXmpDirectory(ImageBatchReader.MapColumnDefn writer,
                                          com.drew.metadata.xmp.XmpDirectory directory)

processDirectory

protected static void processDirectory(ImageBatchReader.MapColumnDefn writer,
                                       com.drew.metadata.Directory directory,
                                       com.drew.metadata.Metadata metadata,
                                       ImageFormatConfig config)

processValue

protected static void processValue(ImageBatchReader.MapColumnDefn writer,
                                   String name,
                                   Object value)

Convert the value if necessary

Parameters:

writer - MapColumnDefn

name - Tag Name

value - Tag Value

See Also:

AbstractScalarWriter.setObject(Object)