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java.lang.Objectuk.ac.starlink.datanode.nodes.DefaultDataNode
uk.ac.starlink.datanode.nodes.FtpDirectoryDataNode
public class FtpDirectoryDataNode
A DataNode which represents a directory on an FTP server. In some circumstances this can end up making rather a lot of FTP connections.
Constructor Summary | |
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FtpDirectoryDataNode(FtpLocation floc)
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FtpDirectoryDataNode(String location)
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Method Summary | |
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boolean |
allowsChildren()
The DefaultDataNode implementation of this method returns false. |
Iterator |
getChildIterator()
The DefaultDataNode implementation of this method throws UnsupportedOperationException ( DefaultDataNode.allowsChildren() is false). |
String |
getNodeTLA()
The DefaultDataNode implementation returns the string "...". |
String |
getNodeType()
Returns a short sentence indicating what kind of node this is. |
Object |
getParentObject()
Returns an object which is in some sense the parent of the one this node is based on. |
String |
getPathSeparator()
Returns a default separator string. |
Methods inherited from class uk.ac.starlink.datanode.nodes.DefaultDataNode |
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beep, configureDetail, getChildMaker, getCreator, getDataObject, getDescription, getIcon, getLabel, getName, getPathElement, hasDataObject, 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 FtpDirectoryDataNode(FtpLocation floc)
public FtpDirectoryDataNode(String location) throws NoSuchDataException
NoSuchDataException
Method Detail |
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public String getNodeTLA()
DefaultDataNode
getNodeTLA
in interface DataNode
getNodeTLA
in class DefaultDataNode
public String getNodeType()
DataNode
getNodeType
in interface DataNode
getNodeType
in class DefaultDataNode
DataNode
public String getPathSeparator()
DefaultDataNode
getPathSeparator
in interface DataNode
getPathSeparator
in class DefaultDataNode
public boolean allowsChildren()
DefaultDataNode
allowsChildren
in interface DataNode
allowsChildren
in class DefaultDataNode
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 Object getParentObject()
DataNode
getParentObject
in interface DataNode
getParentObject
in class DefaultDataNode
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