org.sapia.clazzy.loader
Class JarLoader

java.lang.Object
  |
  +--org.sapia.clazzy.loader.JarLoader

All Implemented Interfaces:

Loader, URLEnabled

public class JarLoader

extends Object

implements Loader, URLEnabled

Implements the Loader interface over a jar file. The underlying jar file is opened at instantiation time. An instance of this class should be disposed of appropriately (through the close() method), so that the underlying jar file is properly closed.

Author:

Yanick Duchesne

Copyright:

Copyright © 2002-2004 Sapia Open Source Software. All Rights Reserved.

License:

Read the license.txt file of the jar or visit the license page at the Sapia OSS web site

Constructor Summary

JarLoader(File jar)

Method Summary

void	close() Releases all resources that this instance holds.
File	getJarFile()
URL	getURL()
URL	getURL(String resourceName)
byte[]	loadBytes(String resourceName) Loads a the bytes of the specified resources and returns them.

Methods inherited from class java.lang.Object

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

Constructor Detail

JarLoader

public JarLoader(File jar)

Method Detail

getJarFile

public File getJarFile()

getURL

public URL getURL()
           throws MalformedURLException

Specified by:

getURL in interface URLEnabled

Returns:

the URL of the File to which this instance corresponds.

Throws:

MalformedURLException

getURL

public URL getURL(String resourceName)

Specified by:

getURL in interface Loader

Parameters:

resourceName - the name of a resource.

Returns:

the URL corresponding to the given resource.

See Also:

Loader.getURL(java.lang.String)

loadBytes

public byte[] loadBytes(String resourceName)

Description copied from interface: Loader

Loads a the bytes of the specified resources and returns them.

Specified by:

loadBytes in interface Loader

Parameters:

resourceName -

Returns:

an array of bytes, or null if no resource could be found for the given name, or if the bytes could not be loaded for some reason.

See Also:

Loader.loadBytes(java.lang.String)

close

public void close()

Description copied from interface: Loader

Releases all resources that this instance holds.

Specified by:

close in interface Loader

See Also:

Loader.close()