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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2010,2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
*
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*/
package com.sun.appserv.connectors.internal.api;
import com.sun.enterprise.loader.ASURLClassLoader;
import org.glassfish.internal.api.DelegatingClassLoader;
/**
* connector-class-finder to provide a class from its .rar
*
* @author Jagadish Ramu
*/
public class ConnectorClassFinder extends ASURLClassLoader implements DelegatingClassLoader.ClassFinder {
private final DelegatingClassLoader.ClassFinder librariesClassFinder;
private volatile String raName;
public ConnectorClassFinder(ClassLoader parent, String raName,
DelegatingClassLoader.ClassFinder finder){
super(parent);
this.raName = raName;
// There should be better approach to skip libraries Classloader when none specified.
// casting to DelegatingClassLoader is not a clean approach
DelegatingClassLoader.ClassFinder libcf = null;
if(finder!= null && (finder instanceof DelegatingClassLoader)){
if(((DelegatingClassLoader)finder).getDelegates().size() > 0){
libcf = finder;
}
}
this.librariesClassFinder = libcf;
}
public Class findClass(String name) throws ClassNotFoundException {
Class c = null;
if(librariesClassFinder != null){
try{
c = librariesClassFinder.findClass(name);
}catch(ClassNotFoundException cnfe){
//ignore
}
if(c != null){
return c;
}
}
return super.findClass(name);
}
public Class findExistingClass(String name) {
if(librariesClassFinder != null){
Class claz = librariesClassFinder.findExistingClass(name);
if(claz != null){
return claz;
}
}
return super.findLoadedClass(name);
}
public String getResourceAdapterName(){
return raName;
}
public void setResourceAdapterName(String raName){
this.raName = raName;
}
}