1 package net.sourceforge.guacamole.net.basic.properties;
4 * Guacamole - Clientless Remote Desktop
5 * Copyright (C) 2010 Michael Jumper
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 import java.lang.reflect.InvocationTargetException;
22 import net.sourceforge.guacamole.GuacamoleException;
23 import net.sourceforge.guacamole.net.auth.AuthenticationProvider;
24 import net.sourceforge.guacamole.net.basic.GuacamoleClassLoader;
25 import net.sourceforge.guacamole.properties.GuacamoleProperty;
28 * A GuacamoleProperty whose value is the name of a class to use to
29 * authenticate users. This class must implement AuthenticationProvider.
31 * @author Michael Jumper
33 public abstract class AuthenticationProviderProperty implements GuacamoleProperty<AuthenticationProvider> {
36 public AuthenticationProvider parseValue(String authProviderClassName) throws GuacamoleException {
38 // Get auth provider instance
41 Object obj = GuacamoleClassLoader.getInstance().loadClass(authProviderClassName)
42 .getConstructor().newInstance();
44 if (!(obj instanceof AuthenticationProvider))
45 throw new GuacamoleException("Specified authentication provider class is not a AuthenticationProvider.");
47 return (AuthenticationProvider) obj;
50 catch (ClassNotFoundException e) {
51 throw new GuacamoleException("Authentication provider class not found", e);
53 catch (NoSuchMethodException e) {
54 throw new GuacamoleException("Default constructor for authentication provider not present", e);
56 catch (SecurityException e) {
57 throw new GuacamoleException("Creation of authentication provider disallowed; check your security settings", e);
59 catch (InstantiationException e) {
60 throw new GuacamoleException("Unable to instantiate authentication provider", e);
62 catch (IllegalAccessException e) {
63 throw new GuacamoleException("Unable to access default constructor of authentication provider", e);
65 catch (InvocationTargetException e) {
66 throw new GuacamoleException("Internal error in constructor of authentication provider", e.getTargetException());