Module io.sf.carte.css4j.agent.net

Package io.sf.carte.doc.agent.net

Class ResourceDownloader<C>

java.lang.Object

java.lang.Thread

io.sf.carte.doc.agent.net.ResourceDownloader<C>

All Implemented Interfaces:

Runnable

public abstract class ResourceDownloader<C>
extends Thread

Asynchronous downloading of an embedded resource of a given type.

Nested Class Summary

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

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field	Description
protected List<DownloadListener<C>>	listeners
protected C	nativeContent

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ResourceDownloader(CSSFontFaceRule rule)
protected	ResourceDownloader(URL url)

Method Summary

Modifier and Type	Method	Description
void	addListener(DownloadListener<C> listener)
String	getContentType()
C	getNativeContent()
protected abstract ResourceAgent<C,?>	getResourceAgent()
URL	getURL()
boolean	isDone()
protected void	notifyDownload()
protected void	notifyFailure(Exception e)
protected InputStream	openStream()
protected abstract void	readContent(InputStream is)	Reads content from a stream and transforms it to native content.
void	run()

Methods inherited from class java.lang.Thread

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

Methods inherited from class java.lang.Object

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

Field Details

nativeContent

protected C nativeContent

listeners

protected List<DownloadListener<C>> listeners

Constructor Details

ResourceDownloader

protected ResourceDownloader(URL url)

ResourceDownloader

protected ResourceDownloader(CSSFontFaceRule rule)
                      throws IllegalArgumentException

Throws:

IllegalArgumentException

Method Details

getURL

public URL getURL()

addListener

public void addListener(DownloadListener<C> listener)

isDone

public boolean isDone()

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

openStream

protected InputStream openStream()
                          throws IOException

Throws:

IOException

getContentType

public String getContentType()

readContent

protected abstract void readContent(InputStream is)
                             throws IOException

Reads content from a stream and transforms it to native content.

Parameters:

is - the stream with the content.

Throws:

IOException - if an error occurs when reading the stream.

getResourceAgent

protected abstract ResourceAgent<C,?> getResourceAgent()

notifyDownload

protected void notifyDownload()

notifyFailure

protected void notifyFailure(Exception e)

getNativeContent

public C getNativeContent()