Class GIFMetadata

java.lang.Object

javax.imageio.metadata.IIOMetadata

com.github.jaiimageio.impl.plugins.gif.GIFMetadata

Direct Known Subclasses:

GIFImageMetadata, GIFStreamMetadata

abstract class GIFMetadata
extends IIOMetadata

Class which adds utility DOM element attribute access methods to IIOMetadata for subclass use.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final int	UNDEFINED_INTEGER_VALUE	Represents an undefined value of integer attributes.

Fields inherited from class IIOMetadata

controller, defaultController, extraMetadataFormatClassNames, extraMetadataFormatNames, nativeMetadataFormatClassName, nativeMetadataFormatName, standardFormatSupported

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	GIFMetadata(boolean standardMetadataFormatSupported, String nativeMetadataFormatName, String nativeMetadataFormatClassName, String[] extraMetadataFormatNames, String[] extraMetadataFormatClassNames)

Method Summary

Modifier and Type	Method	Description
protected static void	fatal(Node node, String reason)
protected static String	getAttribute(Node node, String name)
protected static String	getAttribute(Node node, String name, String defaultValue, boolean required)
protected static boolean	getBooleanAttribute(Node node, String name)
protected static boolean	getBooleanAttribute(Node node, String name, boolean defaultValue, boolean required)
protected byte[]	getColorTable(Node colorTableNode, String entryNodeName, boolean lengthExpected, int expectedLength)
protected static int	getEnumeratedAttribute(Node node, String name, String[] legalNames)
protected static int	getEnumeratedAttribute(Node node, String name, String[] legalNames, int defaultValue, boolean required)
protected static float	getFloatAttribute(Node node, String name)
protected static float	getFloatAttribute(Node node, String name, float defaultValue, boolean required)
protected static int	getIntAttribute(Node node, String name, boolean bounded, int min, int max)
protected static int	getIntAttribute(Node node, String name, int defaultValue, boolean required, boolean bounded, int min, int max)
protected static String	getStringAttribute(Node node, String name, String defaultValue, boolean required, String[] range)
protected abstract void	mergeNativeTree(Node root)
protected abstract void	mergeStandardTree(Node root)
void	mergeTree(String formatName, Node root)

Methods inherited from class IIOMetadata

activateController, getAsTree, getController, getDefaultController, getExtraMetadataFormatNames, getMetadataFormat, getMetadataFormatNames, getNativeMetadataFormatName, getStandardChromaNode, getStandardCompressionNode, getStandardDataNode, getStandardDimensionNode, getStandardDocumentNode, getStandardTextNode, getStandardTileNode, getStandardTransparencyNode, getStandardTree, hasController, isReadOnly, isStandardMetadataFormatSupported, reset, setController, setFromTree

Methods inherited from class Object

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

Field Details

UNDEFINED_INTEGER_VALUE

static final int UNDEFINED_INTEGER_VALUE

Represents an undefined value of integer attributes.

See Also:

• Constant Field Values

Constructor Details

GIFMetadata

protected GIFMetadata(boolean standardMetadataFormatSupported,
 String nativeMetadataFormatName,
 String nativeMetadataFormatClassName,
 String[] extraMetadataFormatNames,
 String[] extraMetadataFormatClassNames)

Method Details

fatal

protected static void fatal(Node node,
 String reason)
                     throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getStringAttribute

protected static String getStringAttribute(Node node,
 String name,
 String defaultValue,
 boolean required,
 String[] range)
                                    throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getIntAttribute

protected static int getIntAttribute(Node node,
 String name,
 int defaultValue,
 boolean required,
 boolean bounded,
 int min,
 int max)
                              throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getFloatAttribute

protected static float getFloatAttribute(Node node,
 String name,
 float defaultValue,
 boolean required)
                                  throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getIntAttribute

protected static int getIntAttribute(Node node,
 String name,
 boolean bounded,
 int min,
 int max)
                              throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getFloatAttribute

protected static float getFloatAttribute(Node node,
 String name)
                                  throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getBooleanAttribute

protected static boolean getBooleanAttribute(Node node,
 String name,
 boolean defaultValue,
 boolean required)
                                      throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getBooleanAttribute

protected static boolean getBooleanAttribute(Node node,
 String name)
                                      throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getEnumeratedAttribute

protected static int getEnumeratedAttribute(Node node,
 String name,
 String[] legalNames,
 int defaultValue,
 boolean required)
                                     throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getEnumeratedAttribute

protected static int getEnumeratedAttribute(Node node,
 String name,
 String[] legalNames)
                                     throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getAttribute

protected static String getAttribute(Node node,
 String name,
 String defaultValue,
 boolean required)
                              throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getAttribute

protected static String getAttribute(Node node,
 String name)
                              throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

mergeTree

public void mergeTree(String formatName,
 Node root)
               throws IIOInvalidTreeException

Specified by:

mergeTree in class IIOMetadata

Throws:

IIOInvalidTreeException

getColorTable

protected byte[] getColorTable(Node colorTableNode,
 String entryNodeName,
 boolean lengthExpected,
 int expectedLength)
                        throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

mergeNativeTree

protected abstract void mergeNativeTree(Node root)
                                 throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

mergeStandardTree

protected abstract void mergeStandardTree(Node root)
                                   throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException