com.sun.appserv.connectors.internal.api.ConnectorClassFinder Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
/*
* 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
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
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;
}
}