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.io.IOException; 027 import java.net.URL; 028 import java.util.Collections; 029 030 /** 031 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 032 * @version $Revision$ 033 */ 034 public class TelnetPlugin extends CRaSHPlugin<TelnetPlugin> { 035 036 /** . */ 037 public static final PropertyDescriptor<Integer> TELNET_PORT = PropertyDescriptor.create("telnet.port", 5000, "The telnet port"); 038 039 /** . */ 040 private TelnetLifeCycle lifeCycle; 041 042 @Override 043 public TelnetPlugin getImplementation() { 044 return this; 045 } 046 047 @Override 048 protected Iterable<PropertyDescriptor<?>> createConfigurationCapabilities() { 049 return Collections.<PropertyDescriptor<?>>singletonList(TELNET_PORT); 050 } 051 052 @Override 053 public void init() { 054 PluginContext context = getContext(); 055 056 // 057 Resource config = null; 058 059 // 060 URL configURL = TelnetPlugin.class.getResource("telnet.properties"); 061 if (configURL != null) { 062 try { 063 log.debug("Found embedded telnet config url " + configURL); 064 config = new Resource(configURL); 065 } 066 catch (IOException e) { 067 log.debug("Could not load embedded telnet config url " + configURL + " will bypass it", e); 068 } 069 } 070 071 // Override from config if any 072 Resource res = getContext().loadResource("telnet.properties", ResourceKind.CONFIG); 073 if (res != null) { 074 config = res; 075 log.debug("Found telnet config url " + configURL); 076 } 077 078 // 079 if (configURL == null) { 080 log.info("Could not boot Telnet due to missing config"); 081 return; 082 } 083 084 // 085 TelnetLifeCycle lifeCycle = new TelnetLifeCycle(context); 086 lifeCycle.setConfig(config); 087 Integer port = context.getProperty(TELNET_PORT); 088 if (port != null) { 089 lifeCycle.setPort(port); 090 } 091 092 // 093 lifeCycle.init(); 094 095 // 096 this.lifeCycle = lifeCycle; 097 } 098 099 @Override 100 public void destroy() { 101 if (lifeCycle != null) { 102 lifeCycle.destroy(); 103 } 104 } 105 }