org.jboss.modules.NamedClassLoader Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2016 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.modules;
/**
* A class loader that may be named. On Java 9 and later, the name will be propagated up to the JVM.
*
* @author David M. Lloyd
*/
public abstract class NamedClassLoader extends ClassLoader {
static {
if (! ClassLoader.registerAsParallelCapable()) {
throw new Error("Failed to register " + NamedClassLoader.class.getName() + " as parallel-capable");
}
}
/**
* Construct a new instance.
*
* @param parent the parent class loader (may be {@code null} to indicate that the platform class loader should be used)
* @param name the name, or {@code null} if the class loader has no name
*/
protected NamedClassLoader(final ClassLoader parent, final String name) {
super(name, parent == null ? ClassLoader.getPlatformClassLoader() : parent);
}
/**
* Construct a new instance.
*
* @param name the name, or {@code null} if the class loader has no name
*/
protected NamedClassLoader(final String name) {
this(null, name);
}
/**
* Get the name of this class loader.
*
* @return the name of this class loader, or {@code null} if it is unnamed
*/
public String getName() {
return super.getName();
}
}