content: /*
   * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code 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 General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  // NewInstance.java - create a new instance of a class by name.
  // http://www.saxproject.org
  // Written by Edwin Goei, edwingo@apache.org
  // and by David Brownell, dbrownell@users.sourceforge.net
  // NO WARRANTY!  This class is in the Public Domain.
  // $Id: NewInstance.java,v 1.2 2005/06/10 03:50:50 jeffsuttor Exp $
  
  package org.xml.sax.helpers;
  
  import java.lang.reflect.Method;
  import java.lang.reflect.InvocationTargetException;
  
  /**
   * Create a new instance of a class by name.
   *
   * <blockquote>
   * <em>This module, both source code and documentation, is in the
   * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
   * See <a href='http://www.saxproject.org'>http://www.saxproject.org</a>
   * for further information.
   * </blockquote>
   *
   * <p>This class contains a static method for creating an instance of a
   * class from an explicit class name.  It tries to use the thread's context
   * ClassLoader if possible and falls back to using
   * Class.forName(String).</p>
   *
   * <p>This code is designed to compile and run on JDK version 1.1 and later
   * including versions of Java 2.</p>
   *
   * @author Edwin Goei, David Brownell
   * @version 2.0.1 (sax2r2)
   */
  class NewInstance {
      private static final String DEFAULT_PACKAGE = "com.sun.org.apache.xerces.internal";
      /**
       * Creates a new instance of the specified class name
       *
       * Package private so this code is not exposed at the API level.
       */
      static Object newInstance (ClassLoader classLoader, String className)
          throws ClassNotFoundException, IllegalAccessException,
              InstantiationException
      {
          // make sure we have access to restricted packages
          boolean internal = false;
          if (System.getSecurityManager() != null) {
              if (className != null && className.startsWith(DEFAULT_PACKAGE)) {
                  internal = true;
              }
          }
  
          Class driverClass;
          if (classLoader == null || internal) {
              driverClass = Class.forName(className);
          } else {
              driverClass = classLoader.loadClass(className);
          }
          return driverClass.newInstance();
      }
  
  }
  