bundleclassloader.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 71 行

/*
 * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.loader.osgi;

import com.caucho.loader.*;
import com.caucho.util.*;

/**
 * OSGi bundle class loader
 */
public class BundleClassLoader extends EnvironmentClassLoader
{
  private static final L10N L = new L10N(BundleClassLoader.class);
  
  /**
   * Creates a new environment class loader.
   */
  protected BundleClassLoader(ClassLoader parent, String id)
  {
    super(parent, id);

    if (id == null)
      throw new IllegalArgumentException(L.l("BundleClassLoader requires a bundle id."));
  }

  /**
   * Creates a new environment class loader.
   */
  public static BundleClassLoader create(String id)
  {
    ClassLoader parent = Thread.currentThread().getContextClassLoader();
    
    return create(parent, id);
  }

  /**
   * Creates a new environment class loader.
   */
  public static BundleClassLoader create(ClassLoader parent, String id)
  {
    return new BundleClassLoader(parent, id);
  }
}