visad.data
Class FunctionFormFamily.FormFunction

java.lang.Object
  visad.data.FunctionFormFamily.FormFunction

Direct Known Subclasses:

FunctionFormFamily.FileFunction, FunctionFormFamily.URLFunction

Enclosing class:

FunctionFormFamily

abstract class FunctionFormFamily.FormFunction

extends Object

Base class which tries to perform an operation on an object using the first valid Form.

Constructor Summary

(package private)

FunctionFormFamily.FormFunction()

Method Summary

(package private) abstract boolean	check(FormFileInformer node) Return 'true' if this object's name applies to the given node.
(package private) abstract boolean	function(FormNode node) The operation to be performed on the object.
(package private) abstract InputStream	getStream() Return an InputStream for the object.
boolean	run() Perform an operation on an object using the first valid Form.

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionFormFamily.FormFunction

FunctionFormFamily.FormFunction()

Method Detail

check

abstract boolean check(FormFileInformer node)

Return 'true' if this object's name applies to the given node.

getStream

abstract InputStream getStream()
                        throws IOException

Return an InputStream for the object. Used to read in the first block of the object.

Throws:

IOException

function

abstract boolean function(FormNode node)

The operation to be performed on the object.

run

public boolean run()
            throws IOException

Perform an operation on an object using the first valid Form. If a Form successfully performs the operation, return 'true'.

Throws:

IOException