gov.nasa.worldwindx.examples.kml

Class KMLViewer.WorkerThread

java.lang.Object

java.lang.Thread

gov.nasa.worldwindx.examples.kml.KMLViewer.WorkerThread

All Implemented Interfaces:

Runnable

Enclosing class:

KMLViewer

public static class KMLViewer.WorkerThread
extends Thread

A Thread that loads a KML file and displays it in an AppFrame.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
protected KMLViewer.AppFrame	appFrame Indicates the AppFrame the KML file content is displayed in.
protected Object	kmlSource Indicates the source of the KML file loaded by this thread.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
WorkerThread(Object kmlSource, KMLViewer.AppFrame appFrame) Creates a new worker thread from a specified kmlSource and appFrame.

Method Summary

Modifier and Type	Method and Description
protected KMLRoot	parse() Parse the KML document.
void	run() Loads this worker thread's KML source into a new KMLRoot, then adds the new KMLRoot to this worker thread's AppFrame.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

appFrame

protected KMLViewer.AppFrame appFrame

Indicates the AppFrame the KML file content is displayed in. Initialized during construction.

kmlSource

protected Object kmlSource

Indicates the source of the KML file loaded by this thread. Initialized during construction.

Constructor Detail

WorkerThread

public WorkerThread(Object kmlSource,
                    KMLViewer.AppFrame appFrame)

Creates a new worker thread from a specified kmlSource and appFrame.

Parameters:

kmlSource - the source of the KML file to load. May be a File, a URL, or an InputStream, or a String identifying a file path or URL.

appFrame - the AppFrame in which to display the KML source.

Method Detail

parse

protected KMLRoot parse()
                 throws IOException,
                        XMLStreamException

Parse the KML document.

Returns:

The parsed document.

Throws:

IOException - if the document cannot be read.

XMLStreamException - if document cannot be parsed.

run

public void run()

Loads this worker thread's KML source into a new KMLRoot, then adds the new KMLRoot to this worker thread's AppFrame. The KMLRoot's AVKey.DISPLAY_NAME field contains a display name created from either the KML source or the KML root feature name.

If loading the KML source fails, this prints the exception and its stack trace to the standard error stream, but otherwise does nothing.

Specified by:

run in interface Runnable

Overrides:

run in class Thread