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java.lang.Objectuk.ac.starlink.datanode.nodes.DefaultDataNode
uk.ac.starlink.datanode.nodes.HDUDataNode
uk.ac.starlink.datanode.nodes.ImageHDUDataNode
public class ImageHDUDataNode
An implementation of the DataNode
interface for
representing Header and Data Units (HDUs) in FITS files.
Constructor Summary | |
---|---|
ImageHDUDataNode(Header hdr,
FITSDataNode.ArrayDataMaker hdudata)
Initialises an ImageHDUDataNode from a Header
object. |
Method Summary | |
---|---|
boolean |
allowsChildren()
The DefaultDataNode implementation of this method returns false. |
void |
configureDetail(DetailViewer dv)
No custom configuration is performed. |
Iterator |
getChildIterator()
The DefaultDataNode implementation of this method throws UnsupportedOperationException ( DefaultDataNode.allowsChildren() is false). |
Object |
getDataObject(DataType dtype)
The DefaultDataNode implementation returns any data object which has been registered using DefaultDataNode.registerDataObject(uk.ac.starlink.datanode.nodes.DataType, java.lang.Object) . |
String |
getDescription()
Gets a concise description of this object. |
String |
getNodeTLA()
The DefaultDataNode implementation returns the string "...". |
String |
getNodeType()
Returns a short sentence indicating what kind of node this is. |
boolean |
hasDataObject(DataType dtype)
The DefaultDataNode implementation returns true for only those data objects which have been registered using DefaultDataNode.registerDataObject(uk.ac.starlink.datanode.nodes.DataType, java.lang.Object) . |
Methods inherited from class uk.ac.starlink.datanode.nodes.HDUDataNode |
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getHDUIndex, getHduType, getHeader, getPathElement, getPathSeparator |
Methods inherited from class uk.ac.starlink.datanode.nodes.DefaultDataNode |
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beep, getChildMaker, getCreator, getIcon, getLabel, getName, getParentObject, makeChild, makeErrorChild, registerDataObject, setChildMaker, setCreator, setDescription, setIconID, setLabel, setName, setParentObject, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ImageHDUDataNode(Header hdr, FITSDataNode.ArrayDataMaker hdudata) throws NoSuchDataException
ImageHDUDataNode
from a Header
object.
hdr
- a FITS header object
from which the node is to be created.hdudata
- an object capable of returning the array data for
the image
NoSuchDataException
Method Detail |
---|
public boolean allowsChildren()
DefaultDataNode
allowsChildren
in interface DataNode
allowsChildren
in class HDUDataNode
true
if the node is of a type which can have
child nodes, false
otherwisepublic Iterator getChildIterator()
DefaultDataNode
DefaultDataNode.allowsChildren()
is false).
getChildIterator
in interface DataNode
getChildIterator
in class DefaultDataNode
Iterator
over the children. Each object
iterated over should be a DataNode
.
Behaviour is undefined if this method is called on an
object for which allowsChildren
returns
false
.public void configureDetail(DetailViewer dv)
DefaultDataNode
configureDetail
in interface DataNode
configureDetail
in class HDUDataNode
dv
- the detail viewer which this node is given an opportunity
to configurepublic String getDescription()
DataNode
getName
method, since they may be presented together.
It should be on one line, and preferably no longer than around
70 characters. The null
value may be returned if
there is nothing to say.
getDescription
in interface DataNode
getDescription
in class HDUDataNode
public String getNodeTLA()
DefaultDataNode
getNodeTLA
in interface DataNode
getNodeTLA
in class HDUDataNode
public String getNodeType()
DataNode
getNodeType
in interface DataNode
getNodeType
in class HDUDataNode
DataNode
public boolean hasDataObject(DataType dtype)
DefaultDataNode
DefaultDataNode.registerDataObject(uk.ac.starlink.datanode.nodes.DataType, java.lang.Object)
.
hasDataObject
in interface DataNode
hasDataObject
in class DefaultDataNode
dtype
- data object type of interest
public Object getDataObject(DataType dtype) throws DataObjectException
DefaultDataNode
DefaultDataNode.registerDataObject(uk.ac.starlink.datanode.nodes.DataType, java.lang.Object)
.
getDataObject
in interface DataNode
getDataObject
in class DefaultDataNode
dtype
- data object type of interest
DataObjectException
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