Class JBIG2ImageReaderSpi

java.lang.Object

javax.imageio.spi.IIOServiceProvider

javax.imageio.spi.ImageReaderWriterSpi

javax.imageio.spi.ImageReaderSpi

org.apache.pdfbox.jbig2.JBIG2ImageReaderSpi

All Implemented Interfaces:

RegisterableService

public class JBIG2ImageReaderSpi
extends ImageReaderSpi

Necessary extension for ImageIO standard.

See Also:

• ImageReaderSpi

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final String[]	EXTRA_IMAGE_METADATA_FORMAT_CLASSNAME
(package private) static final String[]	EXTRA_IMAGE_METADATA_FORMAT_NAME
(package private) static final String[]	EXTRA_STREAM_METADATA_FORMAT_CLASSNAME
(package private) static final String[]	EXTRA_STREAM_METADATA_FORMAT_NAME
private static final int[]	FILEHEADER_PREAMBLE	According to D.4.1:
private static final Class<?>[]	INPUT_TYPES
private static final String[]	MIME_TYPES
private static final String[]	NAMES
(package private) static final String	NATIVE_IMAGE_METADATA_FORMAT_CLASSNAME
(package private) static final String	NATIVE_IMAGE_METADATA_FORMAT_NAME
(package private) static final String	NATIVE_STREAM_METADATA_FORMAT_CLASSNAME
(package private) static final String	NATIVE_STREAM_METADATA_FORMAT_NAME
private static final String	READER_CLASS_NAME
private static final String[]	SUFFIXES
(package private) static final boolean	SUPPORTS_STANDARD_IMAGE_METADATA_FORMAT
(package private) static final boolean	SUPPORTS_STANDARD_STREAM_METADATE_FORMAT
private static final String	VENDOR
private static final String	VERSION
private static final String[]	WRITER_SPI_NAMES

Fields inherited from class ImageReaderSpi

inputTypes, STANDARD_INPUT_TYPE, writerSpiNames

Fields inherited from class ImageReaderWriterSpi

extraImageMetadataFormatClassNames, extraImageMetadataFormatNames, extraStreamMetadataFormatClassNames, extraStreamMetadataFormatNames, MIMETypes, names, nativeImageMetadataFormatClassName, nativeImageMetadataFormatName, nativeStreamMetadataFormatClassName, nativeStreamMetadataFormatName, pluginClassName, suffixes, supportsStandardImageMetadataFormat, supportsStandardStreamMetadataFormat

Fields inherited from class IIOServiceProvider

vendorName, version

Constructor Summary

Constructors

Constructor	Description
JBIG2ImageReaderSpi()

Method Summary

Modifier and Type	Method	Description
boolean	canDecodeInput(Object source)
ImageReader	createReaderInstance(Object extension)
String	getDescription(Locale locale)

Methods inherited from class ImageReaderSpi

createReaderInstance, getImageWriterSpiNames, getInputTypes, isOwnReader

Methods inherited from class ImageReaderWriterSpi

getExtraImageMetadataFormatNames, getExtraStreamMetadataFormatNames, getFileSuffixes, getFormatNames, getImageMetadataFormat, getMIMETypes, getNativeImageMetadataFormatName, getNativeStreamMetadataFormatName, getPluginClassName, getStreamMetadataFormat, isStandardImageMetadataFormatSupported, isStandardStreamMetadataFormatSupported

Methods inherited from class IIOServiceProvider

getVendorName, getVersion, onDeregistration, onRegistration

Methods inherited from class Object

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

Field Details

VENDOR

private static final String VENDOR

See Also:

• Constant Field Values

VERSION

private static final String VERSION

See Also:

• Constant Field Values

READER_CLASS_NAME

private static final String READER_CLASS_NAME

See Also:

• Constant Field Values

NAMES

private static final String[] NAMES

SUFFIXES

private static final String[] SUFFIXES

MIME_TYPES

private static final String[] MIME_TYPES

INPUT_TYPES

private static final Class<?>[] INPUT_TYPES

FILEHEADER_PREAMBLE

private static final int[] FILEHEADER_PREAMBLE

According to D.4.1:

This preamble contains the unique id string for jbig2 files and can be used to check if this reader plugin can decode the given stream. This can only work with native jbig2 data. If the stream is embedded in another file format this preamble might be missing.

WRITER_SPI_NAMES

private static final String[] WRITER_SPI_NAMES

SUPPORTS_STANDARD_STREAM_METADATE_FORMAT

static final boolean SUPPORTS_STANDARD_STREAM_METADATE_FORMAT

See Also:

• Constant Field Values

NATIVE_STREAM_METADATA_FORMAT_NAME

static final String NATIVE_STREAM_METADATA_FORMAT_NAME

See Also:

• Constant Field Values

NATIVE_STREAM_METADATA_FORMAT_CLASSNAME

static final String NATIVE_STREAM_METADATA_FORMAT_CLASSNAME

See Also:

• Constant Field Values

EXTRA_STREAM_METADATA_FORMAT_NAME

static final String[] EXTRA_STREAM_METADATA_FORMAT_NAME

EXTRA_STREAM_METADATA_FORMAT_CLASSNAME

static final String[] EXTRA_STREAM_METADATA_FORMAT_CLASSNAME

SUPPORTS_STANDARD_IMAGE_METADATA_FORMAT

static final boolean SUPPORTS_STANDARD_IMAGE_METADATA_FORMAT

See Also:

• Constant Field Values

NATIVE_IMAGE_METADATA_FORMAT_NAME

static final String NATIVE_IMAGE_METADATA_FORMAT_NAME

See Also:

• Constant Field Values

NATIVE_IMAGE_METADATA_FORMAT_CLASSNAME

static final String NATIVE_IMAGE_METADATA_FORMAT_CLASSNAME

See Also:

• Constant Field Values

EXTRA_IMAGE_METADATA_FORMAT_NAME

static final String[] EXTRA_IMAGE_METADATA_FORMAT_NAME

EXTRA_IMAGE_METADATA_FORMAT_CLASSNAME

static final String[] EXTRA_IMAGE_METADATA_FORMAT_CLASSNAME

Constructor Details

JBIG2ImageReaderSpi

public JBIG2ImageReaderSpi()

Method Details

canDecodeInput

public boolean canDecodeInput(Object source)
                       throws IOException

Specified by:

canDecodeInput in class ImageReaderSpi

Throws:

IOException

createReaderInstance

public ImageReader createReaderInstance(Object extension)
                                 throws IOException

Specified by:

createReaderInstance in class ImageReaderSpi

Throws:

IOException

getDescription

public String getDescription(Locale locale)

Specified by:

getDescription in class IIOServiceProvider