org.ow2.jonas.lib.loader.locator
Class JarFileLocator

java.lang.Object
  org.ow2.jonas.lib.loader.locator.Locator
      org.ow2.jonas.lib.loader.locator.JarFileLocator

public class JarFileLocator
extends Locator

A JarfileLocator is used to look up for a file inside a Jar archive. Works only for local jars.

Author:

Guillaume Sauthier

Constructor Summary

JarFileLocator(URL jar)
Construct a new JarFileLocator from an URL representing a Jar.

Method Summary

boolean	hasDirectory(String path) Returns true when directory was found.
boolean	hasFile(String path) Returns true when file was found.
List	listContent(String path) Returns a list of filename stored in path.

Methods inherited from class org.ow2.jonas.lib.loader.locator.Locator

getLocator

Methods inherited from class java.lang.Object

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

Constructor Detail

JarFileLocator

public JarFileLocator(URL jar)
               throws IOException

Construct a new JarFileLocator from an URL representing a Jar.

Parameters:

jar - URL pointing to a Jar file

Throws:

IOException - When URL is not a JarFile.

Method Detail

hasFile

public boolean hasFile(String path)

Returns true when file was found.

Specified by:

hasFile in class Locator

Parameters:

path - the path to the file to look up

Returns:

true when file was found, otherwise false.

hasDirectory

public boolean hasDirectory(String path)

Returns true when directory was found.

Specified by:

hasDirectory in class Locator

Parameters:

path - the path to the directory to look up

Returns:

true when directory was found, otherwise false.

listContent

public List listContent(String path)

Returns a list of filename stored in path.

Specified by:

listContent in class Locator

Parameters:

path - the path to the directory where looking for files

Returns:

a list of filename stored in path.