| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.util; |
| |
| import java.net.URL; |
| import java.util.Locale; |
| import java.util.MissingResourceException; |
| import java.util.ResourceBundle; |
| |
| /* ------------------------------------------------------------ */ |
| /** ClassLoader Helper. |
| * This helper class allows classes to be loaded either from the |
| * Thread's ContextClassLoader, the classloader of the derived class |
| * or the system ClassLoader. |
| * |
| * <B>Usage:</B><PRE> |
| * public class MyClass { |
| * void myMethod() { |
| * ... |
| * Class c=Loader.loadClass(this.getClass(),classname); |
| * ... |
| * } |
| * </PRE> |
| * |
| */ |
| public class Loader |
| { |
| /* ------------------------------------------------------------ */ |
| public static URL getResource(String name) |
| { |
| ClassLoader loader=Thread.currentThread().getContextClassLoader(); |
| return loader==null?ClassLoader.getSystemResource(name):loader.getResource(name); |
| } |
| |
| /* ------------------------------------------------------------ */ |
| /** Load a class. |
| * <p>Load a class either from the thread context classloader or if none, the system |
| * loader</p> |
| * |
| * @param name the name of the new class to load |
| * @return Class |
| * @throws ClassNotFoundException if not able to find the class |
| */ |
| @SuppressWarnings("rawtypes") |
| public static Class loadClass(String name) |
| throws ClassNotFoundException |
| { |
| ClassLoader loader=Thread.currentThread().getContextClassLoader(); |
| return (loader==null ) ? Class.forName(name) : loader.loadClass(name); |
| } |
| |
| /* ------------------------------------------------------------ */ |
| /** Load a class. |
| * Load a class from the same classloader as the passed <code>loadClass</code>, or if none |
| * then use {@link #loadClass(String)} |
| * |
| * @param loaderClass a similar class, belong in the same classloader of the desired class to load |
| * @param name the name of the new class to load |
| * @return Class |
| * @throws ClassNotFoundException if not able to find the class |
| */ |
| @SuppressWarnings("rawtypes") |
| public static Class loadClass(Class loaderClass, String name) |
| throws ClassNotFoundException |
| { |
| if (loaderClass!=null && loaderClass.getClassLoader()!=null) |
| return loaderClass.getClassLoader().loadClass(name); |
| return loadClass(name); |
| } |
| |
| /* ------------------------------------------------------------ */ |
| public static ResourceBundle getResourceBundle(String name,boolean checkParents,Locale locale) |
| throws MissingResourceException |
| { |
| ClassLoader loader=Thread.currentThread().getContextClassLoader(); |
| return loader==null ? ResourceBundle.getBundle(name, locale) : ResourceBundle.getBundle(name, locale, loader); |
| } |
| } |