| /* |
| * 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(); |
| } |
| |
| } |