1 /*
   2  * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.management.loading;
  27 
  28 import java.net.URL;
  29 import java.net.URLStreamHandlerFactory;
  30 
  31 /**
  32  * An MLet that is not added to the {@link ClassLoaderRepository}.
  33  * This class acts exactly like its parent class, {@link MLet}, with
  34  * one exception.  When a PrivateMLet is registered in an MBean
  35  * server, it is not added to that MBean server's {@link
  36  * ClassLoaderRepository}.  This is true because this class implements
  37  * the interface {@link PrivateClassLoader}.
  38  *
  39  * @since 1.5
  40  */
  41 @SuppressWarnings("serial") // Externalizable class w/o no-arg c'tor
  42 public class PrivateMLet extends MLet implements PrivateClassLoader {
  43     private static final long serialVersionUID = 2503458973393711979L;
  44 
  45     /**
  46       * Constructs a new PrivateMLet for the specified URLs using the
  47       * default delegation parent ClassLoader.  The URLs will be
  48       * searched in the order specified for classes and resources
  49       * after first searching in the parent class loader.
  50       *
  51       * @param  urls  The URLs from which to load classes and resources.
  52       * @param  delegateToCLR  True if, when a class is not found in
  53       * either the parent ClassLoader or the URLs, the MLet should delegate
  54       * to its containing MBeanServer's {@link ClassLoaderRepository}.
  55       *
  56       */
  57     public PrivateMLet(URL[] urls, boolean delegateToCLR) {
  58         super(urls, delegateToCLR);
  59     }
  60 
  61     /**
  62       * Constructs a new PrivateMLet for the given URLs. The URLs will
  63       * be searched in the order specified for classes and resources
  64       * after first searching in the specified parent class loader.
  65       * The parent argument will be used as the parent class loader
  66       * for delegation.
  67       *
  68       * @param  urls  The URLs from which to load classes and resources.
  69       * @param  parent The parent class loader for delegation.
  70       * @param  delegateToCLR  True if, when a class is not found in
  71       * either the parent ClassLoader or the URLs, the MLet should delegate
  72       * to its containing MBeanServer's {@link ClassLoaderRepository}.
  73       *
  74       */
  75     public PrivateMLet(URL[] urls, ClassLoader parent, boolean delegateToCLR) {
  76         super(urls, parent, delegateToCLR);
  77     }
  78 
  79     /**
  80       * Constructs a new PrivateMLet for the specified URLs, parent
  81       * class loader, and URLStreamHandlerFactory. The parent argument
  82       * will be used as the parent class loader for delegation. The
  83       * factory argument will be used as the stream handler factory to
  84       * obtain protocol handlers when creating new URLs.
  85       *
  86       * @param  urls  The URLs from which to load classes and resources.
  87       * @param  parent The parent class loader for delegation.
  88       * @param  factory  The URLStreamHandlerFactory to use when creating URLs.
  89       * @param  delegateToCLR  True if, when a class is not found in
  90       * either the parent ClassLoader or the URLs, the MLet should delegate
  91       * to its containing MBeanServer's {@link ClassLoaderRepository}.
  92       *
  93       */
  94     public PrivateMLet(URL[] urls,
  95                        ClassLoader parent,
  96                        URLStreamHandlerFactory factory,
  97                        boolean delegateToCLR) {
  98         super(urls, parent, factory, delegateToCLR);
  99     }
 100 }