ucar.unidata.idv.chooser
Class XmlHandler

java.lang.Object
  ucar.unidata.idv.chooser.XmlHandler

Direct Known Subclasses:

MenuHandler, ThreddsHandler, WmsHandler

public abstract class XmlHandler
extends Object

This is an abstract base class for defining different handlers of xml documents for the XmlChooser. The two primary subclasses are the WmsHandler and the ThreddsHandler

Version:

$Revision: 1.14 $Date: 2007/07/09 22:59:59 $

Author:

IDV development team

Field Summary

protected XmlChooser	chooser The chooser we are handling xml docs for
protected String	path This is the url or file path pointing to the xml
protected Element	root The root of the xml document
protected XmlTree	tree Most of the subclasses use the XmlTree to display the xml.

Constructor Summary

XmlHandler(XmlChooser chooser, Element root, String path)
Create the handler

Method Summary

abstract void	doLoad() The user has pressed the 'Load' button.
protected abstract JComponent	doMakeContents() Overwritten by derived classes to actually create the GUI
JComponent	getContents() Return the GUI contents
String	getPath() Return the url or file path to the xml document
protected void	updateStatus()

Methods inherited from class java.lang.Object

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

Field Detail

chooser

protected XmlChooser chooser

The chooser we are handling xml docs for

root

protected Element root

The root of the xml document

path

protected String path

This is the url or file path pointing to the xml

tree

protected XmlTree tree

Most of the subclasses use the XmlTree to display the xml.

Constructor Detail

XmlHandler

public XmlHandler(XmlChooser chooser,
                  Element root,
                  String path)

Create the handler

Parameters:

chooser - The chooser we are in

root - The root of the xml tree

path - The url path of the xml document

Method Detail

updateStatus

protected void updateStatus()

getPath

public String getPath()

Return the url or file path to the xml document

Returns:

The url or file path

getContents

public final JComponent getContents()

Return the GUI contents

Returns:

The UI component

doMakeContents

protected abstract JComponent doMakeContents()

Overwritten by derived classes to actually create the GUI

Returns:

The GUI

doLoad

public abstract void doLoad()

The user has pressed the 'Load' button. Check if a node is selected Needs to ber overwritten by derived classes.