001 /* 002 * Copyright (C) 2003-2009 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020 package org.crsh.telnet; 021 022 import org.crsh.plugin.*; 023 import org.crsh.telnet.term.TelnetLifeCycle; 024 import org.crsh.vfs.Resource; 025 026 import java.net.URL; 027 import java.util.Collections; 028 029 /** 030 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 031 * @version $Revision$ 032 */ 033 public class TelnetPlugin extends CRaSHPlugin<TelnetPlugin> { 034 035 /** . */ 036 public static final PropertyDescriptor<Integer> TELNET_PORT = PropertyDescriptor.create("telnet.port", 5000, "The telnet port"); 037 038 /** . */ 039 private TelnetLifeCycle lifeCycle; 040 041 @Override 042 public TelnetPlugin getImplementation() { 043 return this; 044 } 045 046 @Override 047 protected Iterable<PropertyDescriptor<?>> createConfigurationCapabilities() { 048 return Collections.<PropertyDescriptor<?>>singletonList(TELNET_PORT); 049 } 050 051 @Override 052 public void init() { 053 PluginContext context = getContext(); 054 055 // 056 URL configURL = TelnetPlugin.class.getResource("telnet.properties"); 057 if (configURL != null) { 058 log.debug("Found embedded telnet config url " + configURL); 059 } 060 061 // Override from config if any 062 Resource res = getContext().loadResource("telnet.properties", ResourceKind.CONFIG); 063 if (res != null) { 064 configURL = res.getURL(); 065 log.debug("Found telnet config url " + configURL); 066 } 067 068 // 069 if (configURL == null) { 070 log.info("Could not boot Telnet due to missing config"); 071 return; 072 } 073 074 // 075 TelnetLifeCycle lifeCycle = new TelnetLifeCycle(context); 076 lifeCycle.setConfigURL(configURL); 077 Integer port = context.getProperty(TELNET_PORT); 078 if (port != null) { 079 lifeCycle.setPort(port); 080 } 081 082 // 083 lifeCycle.init(); 084 085 // 086 this.lifeCycle = lifeCycle; 087 } 088 089 @Override 090 public void destroy() { 091 if (lifeCycle != null) { 092 lifeCycle.destroy(); 093 } 094 } 095 }