uk.ac.starlink.datanode.nodes

Class FITSStreamDataNode

java.lang.Object

uk.ac.starlink.datanode.nodes.DefaultDataNode

uk.ac.starlink.datanode.nodes.FITSDataNode

uk.ac.starlink.datanode.nodes.FITSStreamDataNode

All Implemented Interfaces:

DataNode

public class FITSStreamDataNode
extends FITSDataNode

A DataNode representing a FITS file whose data comes from a stream.

Author:

Mark Taylor (Starlink)

Nested Class Summary

Nested classes/interfaces inherited from class uk.ac.starlink.datanode.nodes.FITSDataNode

FITSDataNode.ArrayDataMaker

Constructor Summary

Constructors

Constructor and Description
FITSStreamDataNode(DataSource datsrc)

Method Summary

Modifier and Type	Method and Description
protected FITSDataNode.ArrayDataMaker	getArrayData(long start, long size) Returns an ArrayDataMaker encapsulating the same input stream as the on one which this FITSDataNode is based, but starting at a given offset start into the stream and size bytes long.

Methods inherited from class uk.ac.starlink.datanode.nodes.FITSDataNode

allowsChildren, getChildIterator, getDataInput, getDescription, getName, getNodeTLA, getNodeType, getPathSeparator, isMagic

Methods inherited from class uk.ac.starlink.datanode.nodes.DefaultDataNode

beep, configureDetail, getChildMaker, getCreator, getDataObject, getIcon, getLabel, getParentObject, getPathElement, hasDataObject, makeChild, makeErrorChild, registerDataObject, setChildMaker, setCreator, setDescription, setIconID, setLabel, setName, setParentObject, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FITSStreamDataNode

public FITSStreamDataNode(DataSource datsrc)
                   throws NoSuchDataException

Throws:

NoSuchDataException

Method Detail

getArrayData

protected FITSDataNode.ArrayDataMaker getArrayData(long start,
                                                   long size)

Description copied from class: FITSDataNode

Returns an ArrayDataMaker encapsulating the same input stream as the on one which this FITSDataNode is based, but starting at a given offset start into the stream and size bytes long.

Specified by:

getArrayData in class FITSDataNode

Parameters:

start - the offset into this FITSDataNode's stream at which the returned source's streams should start

size - the number of bytes contained by the returned source's stream