Java Class forName forName(String name)

Description

for Name

License

Open Source License

Declaration

public static Class forName(String name) throws ClassNotFoundException 

Method Source Code

//package com.java2s;
/*// w ww.  j  ava 2  s .co m
 * Copyright 2005 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

public class Main {
    public static Class forName(String name) throws ClassNotFoundException {
        checkPackageAccess(name);
        return Class.forName(name);
    }

    public static void checkPackageAccess(Class clazz) {
        checkPackageAccess(clazz.getName());
    }

    public static void checkPackageAccess(String name) {
        SecurityManager s = System.getSecurityManager();
        if (s != null) {
            String cname = name.replace('/', '.');
            if (cname.startsWith("[")) {
                int b = cname.lastIndexOf('[') + 2;
                if (b > 1 && b < cname.length()) {
                    cname = cname.substring(b);
                }
            }
            int i = cname.lastIndexOf('.');
            if (i != -1) {
                s.checkPackageAccess(cname.substring(0, i));
            }
        }
    }
}

Related

1. forName(String className, Class superType)
2. forName(String className, Class xface)
3. forName(String className, ClassLoader classLoader)
4. forName(String className, ClassLoader defaultClassLoader)
5. forName(String name)
6. forName(String name)
7. forName(String name)
8. forName(String name)
9. forName(String name)