org.xwiki.classloader.internal.protocol.jar
Interface JarURLConnection.JarOpener

All Known Implementing Classes:

JarProxy

Enclosing class:

JarURLConnection

public static interface JarURLConnection.JarOpener

Abstraction of JAR opener which allows to implement various caching policies. The opener receives URL pointing to the JAR file, along with other meta-information, as a JarURLConnection instance. Then it has to download the file (if it is remote) and open it.

Version:

1.0

Author:

Dawid Kurzyniec

Method Summary

java.util.jar.JarFile

openJarFile(JarURLConnection conn) Given the URL connection (not yet connected), return JarFile representing the resource.

Method Detail

openJarFile

java.util.jar.JarFile openJarFile(JarURLConnection conn)
                                  throws java.io.IOException

Given the URL connection (not yet connected), return JarFile representing the resource. This method is invoked as a part of the JarURLConnection.connect() method in JarURLConnection.

Parameters:

conn - the connection for which the JAR file is required

Returns:

opened JAR file

Throws:

java.io.IOException - if I/O error occurs