org.jboss.media.format.image.iio
Class IIOMediaHeader

java.lang.Object
  org.jboss.media.format.image.iio.IIOMediaHeader

All Implemented Interfaces:

MediaHeader (src) , java.io.Serializable

Direct Known Subclasses:

JPEGMediaHeader (src) , PNGMediaHeader (src) , StandardMediaHeader (src)

public abstract class IIOMediaHeader

extends java.lang.Object

implements MediaHeader (src)

Java Image I/O API generic implementation of the MediaHeader interface.

See Also:

Serialized Form

imageMetadata

protected javax.imageio.metadata.IIOMetadata imageMetadata

metadataRootNode

protected org.w3c.dom.Node metadataRootNode

IIOMediaHeader

public IIOMediaHeader(javax.imageio.metadata.IIOMetadata imageMetadata,
                      java.lang.String formatName)

Constructor.

Parameters:

imageMetadata -

formatName -

getFieldNames

public abstract java.lang.String[] getFieldNames()

Description copied from interface: MediaHeader (src)

Returns an array of Strings containing all the field names defined for the header.

Specified by:

getFieldNames in interface MediaHeader (src)

Returns:

an array of header field names.

See Also:

MediaHeader.getFieldNames()

getField

public abstract java.lang.Object getField(java.lang.String fieldname)

Description copied from interface: MediaHeader (src)

Returns the field with the given name downcast to Object. If the field is modeled as a Java base type, an instance of the corresponding wrapper class has to be returned. The value null is returned if a field name is passed that is not defined for the receiver.

Specified by:

getField in interface MediaHeader (src)

Parameters:

fieldname - header field name.

Returns:

the content of a header field.

See Also:

MediaHeader.getField(java.lang.String)

getNode

protected org.w3c.dom.Node getNode(java.lang.String node)

getNode

protected org.w3c.dom.Node getNode(org.w3c.dom.Node parentNode,
                                   java.lang.String node)

getAttribute

protected java.lang.String getAttribute(java.lang.String node,
                                        java.lang.String attribute)

getAttribute

protected java.lang.String getAttribute(org.w3c.dom.Node node,
                                        java.lang.String attribute)