| 1 | // jademx - JADE management using JMX |
| 2 | // Copyright 2005 Caboodle Networks, Inc. |
| 3 | // |
| 4 | // This library is free software; you can redistribute it and/or |
| 5 | // modify it under the terms of the GNU Lesser General Public |
| 6 | // License as published by the Free Software Foundation; either |
| 7 | // version 2.1 of the License, or (at your option) any later version. |
| 8 | // |
| 9 | // This library is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | // Lesser General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU Lesser General Public |
| 15 | // License along with this library; if not, write to the Free Software |
| 16 | // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| 17 | |
| 18 | package jade.jademx.server; |
| 19 | |
| 20 | /** |
| 21 | * Factory class for <a href="JadeMXServer.html">JadeMXServer</a>. |
| 22 | * @author David Bernstein, <a href="http://www.caboodlenetworks.com" |
| 23 | * >Caboodle Networks, Inc.</a> |
| 24 | */ |
| 25 | public class JadeMXServerFactory { |
| 26 | |
| 27 | /** |
| 28 | * nobody should instantiate this class |
| 29 | */ |
| 30 | private JadeMXServerFactory() { |
| 31 | // intentionally empty |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * system property describing server type. |
| 36 | * property value is name of a subclass of jade.jademx.server.JadeMXServer |
| 37 | */ |
| 38 | public final static String SERVER_TYPE_PROPERTY = |
| 39 | "jade.jademx.server.type"; |
| 40 | |
| 41 | /** default value for SERVER_TYPE_SYSTEM_PROPERTY */ |
| 42 | public final static String SERVER_TYPE_DEFAULT = |
| 43 | "jade.jademx.server.JavaPlatform"; |
| 44 | |
| 45 | /** |
| 46 | * return name of jademx server class to use |
| 47 | * @return name of jademx server class to use |
| 48 | */ |
| 49 | public static String serverClassName() { |
| 50 | return System.getProperty( SERVER_TYPE_PROPERTY, SERVER_TYPE_DEFAULT ); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * return jademx server as specified by system property |
| 55 | * @return jademx server as specified by system property |
| 56 | * @throws ClassNotFoundException specified class not found |
| 57 | * @throws IllegalAccessException not allowed |
| 58 | * @throws InstantiationException constructor problem |
| 59 | */ |
| 60 | public static JadeMXServer jadeMXServerBySysProp() |
| 61 | throws InstantiationException, |
| 62 | IllegalAccessException, |
| 63 | ClassNotFoundException { |
| 64 | return jadeMXServerByClassName( serverClassName() ); |
| 65 | } |
| 66 | |
| 67 | |
| 68 | /** |
| 69 | * return jademx server as specified by argument class name |
| 70 | * @param className name to instantiate |
| 71 | * @return jademx server as specified by system property |
| 72 | * @throws ClassNotFoundException specified class not found |
| 73 | * @throws IllegalAccessException not allowed |
| 74 | * @throws InstantiationException constructor problem |
| 75 | */ |
| 76 | public static JadeMXServer jadeMXServerByClassName( String className ) |
| 77 | throws InstantiationException, |
| 78 | IllegalAccessException, |
| 79 | ClassNotFoundException { |
| 80 | return (JadeMXServer)Class.forName( className ).newInstance(); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * make sure server type property set to desired server |
| 85 | * @param jadeMXServer JadeMXServer whose class to be set as sysprop |
| 86 | */ |
| 87 | public static void setSysProp( JadeMXServer jadeMXServer ) { |
| 88 | String jmxsClassName = jadeMXServer.getClass().getName(); |
| 89 | System.setProperty( SERVER_TYPE_PROPERTY, jmxsClassName ); |
| 90 | } |
| 91 | |
| 92 | |
| 93 | |
| 94 | } |