| /* DefaultActivationSystem.java -- Default RMI activation system |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.java.rmi.activation; |
| |
| import java.rmi.activation.ActivationSystem; |
| import java.rmi.registry.LocateRegistry; |
| import java.rmi.registry.Registry; |
| |
| /** |
| * Finds and returns the default activation system for this jre. |
| * |
| * @author Audrius Meskauskas (audriusa@bioinformatics.org) |
| */ |
| public abstract class DefaultActivationSystem |
| { |
| /** |
| * The activation system (assigned if once found). |
| */ |
| static ActivationSystem system; |
| |
| /** |
| * The default activation registry port. |
| */ |
| static int ACTIVATION_REGISTRY_PORT; |
| |
| /** |
| * The name of the activation system registry port property. |
| */ |
| static String AS_PORT_PROPERTY = "java.rmi.activation.port"; |
| |
| /** |
| * The defalut name of the activation system in the activation registry. |
| */ |
| static String ACTIVATION_SYSTEM_NAME = "java.rmi.activation.ActivationSystem"; |
| |
| /** |
| * Get the activation system, default for this jre. If no external activation |
| * system exists, the internal activation system will be activated. This |
| * internal system is limited in capabilities and should be used exclusively |
| * for automated testing, to avoid necessity of starting rmi daemon during |
| * testing process. |
| */ |
| public static ActivationSystem get() |
| { |
| if (system == null) |
| try |
| { |
| // Obtain the port: |
| String asr = System.getProperty("java.rmi.activation.port"); |
| |
| if (asr != null) |
| { |
| try |
| { |
| ACTIVATION_REGISTRY_PORT = Integer.parseInt(asr); |
| if (ACTIVATION_REGISTRY_PORT <= 0) |
| throw new InternalError("Invalid " + asr + " value, " |
| + ACTIVATION_REGISTRY_PORT); |
| } |
| catch (NumberFormatException e) |
| { |
| throw new InternalError("Unable to parse " + asr |
| + " to integer"); |
| } |
| } |
| else |
| ACTIVATION_REGISTRY_PORT = ActivationSystem.SYSTEM_PORT; |
| |
| // Expect the naming service running first. |
| // The local host may want to use the shared registry |
| Registry r = LocateRegistry.getRegistry(ACTIVATION_REGISTRY_PORT); |
| ActivationSystem system = (ActivationSystem) r.lookup(ACTIVATION_SYSTEM_NAME); |
| return system; |
| } |
| catch (Exception ex) |
| { |
| system = ActivationSystemTransient.getInstance(); |
| } |
| |
| return system; |
| } |
| } |