/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.iiop;
import org.jboss.logging.Logger;
import org.jboss.proxy.compiler.IIOPStubCompiler;
/**
* This class loader dynamically generates and loads client stub classes.
* It is intended to be used by clients, as an interim solution.
* Should not be necessary when the IORs contain a JAVA_CODE_BASE tag.
*
* @author <a href="mailto:reverbel@ime.usp.br">Francisco Reverbel</a>
* @version $Revision: 81018 $
*/
public class StubClassLoader
extends ClassLoader
{
// Static ------------------------------------------------------------------
private static final Logger logger =
Logger.getLogger(StubClassLoader.class);
// Constructor -------------------------------------------------------------
public StubClassLoader(ClassLoader parent)
{
super(parent);
}
// Protected ---------------------------------------------------------------
protected Class findClass(String name)
throws ClassNotFoundException
{
logger.debug("findClass(" + name + ") called");
if (name.endsWith("_Stub")) {
int start = name.lastIndexOf('.') + 1;
if (name.charAt(start) == '_') {
String pkg = name.substring(0, start);
String interfaceName = pkg + name.substring(start + 1,
name.length() - 5);
logger.debug("interface name " + interfaceName);
Class intf = loadClass(interfaceName);
logger.debug("loaded class " + interfaceName);
try {
byte[] code = IIOPStubCompiler.compile(intf, name);
logger.debug("compiled stub class for " + interfaceName);
Class clz = defineClass(name, code, 0, code.length);
logger.debug("defined stub class for " + interfaceName);
resolveClass(clz);
logger.debug("resolved stub class for " + interfaceName);
return clz;
}
catch (RuntimeException e) {
logger.debug("Exception generating IIOP stub " + name, e);
throw e;
}
}
}
throw new ClassNotFoundException(name);
}
}