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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.osgi.boot.internal.jsp;
import java.net.URL;
import java.net.URLClassLoader;
/**
* Tricky url classloader. In fact we don't want a real URLClassLoader: we want
* OSGi to provide its classloader and let it does. But to let
* {@link org.apache.jasper.compiler.TldLocationsCache} find the core tlds
* inside the jars we must be a URLClassLoader that returns an array of jars
* where tlds are stored when the method getURLs is called.
*/
public class TldLocatableURLClassloader extends URLClassLoader
{
private URL[] _jarsWithTldsInside;
public TldLocatableURLClassloader(ClassLoader osgiClassLoader, URL[] jarsWithTldsInside)
{
super(new URL[] {},osgiClassLoader);
_jarsWithTldsInside = jarsWithTldsInside;
}
/**
* @return the jars that contains tlds so that TldLocationsCache or
* TldScanner can find them.
*/
@Override
public URL[] getURLs()
{
return _jarsWithTldsInside;
}
public String toString()
{
StringBuilder builder = new StringBuilder();
if (_jarsWithTldsInside != null)
{
for (URL u:_jarsWithTldsInside)
builder.append(" "+u.toString());
return builder.toString();
}
else
return super.toString();
}
}
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