org.jboss.modules.LocalLoader Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., 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.modules;
import java.util.List;
/**
* A loader which implements the local part of a module.
*
* Thread safety warning! The loader must never call into a class loader (or any other object) which may
* take locks and subsequently delegate to a module class loader. This will cause deadlocks and other hard-to-debug
* concurrency problems.
*
* @author David M. Lloyd
*/
public interface LocalLoader {
/**
* Load a class which is locally defined by this loader.
*
* @param name the class name
* @param resolve {@code true} to resolve the class
* @return the class, or {@code null} if there is no local class with this name
*/
Class loadClassLocal(String name, boolean resolve);
/**
* Load a package which is locally defined by this loader.
*
* @param name the package name
* @return the package, or {@code null} if there is no local package with this name
*/
Package loadPackageLocal(String name);
/**
* Load a resource which is locally defined by this loader. The given name is a path separated
* by "{@code /}" characters.
*
* @param name the resource path
* @return the resource or resources, or an empty list if there is no local resource with this name
*/
List loadResourceLocal(String name);
}