001 /* 002 * Copyright (C) 2012 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 import java.util.logging.Level; 030 031 public class TelnetPlugin extends CRaSHPlugin<TelnetPlugin> { 032 033 /** . */ 034 public static final PropertyDescriptor<Integer> TELNET_PORT = PropertyDescriptor.create("telnet.port", 5000, "The telnet port"); 035 036 /** . */ 037 private TelnetLifeCycle lifeCycle; 038 039 @Override 040 public TelnetPlugin getImplementation() { 041 return this; 042 } 043 044 @Override 045 protected Iterable<PropertyDescriptor<?>> createConfigurationCapabilities() { 046 return Collections.<PropertyDescriptor<?>>singletonList(TELNET_PORT); 047 } 048 049 @Override 050 public void init() { 051 PluginContext context = getContext(); 052 053 // 054 Resource config = null; 055 056 // 057 URL configURL = TelnetPlugin.class.getResource("/crash/telnet.properties"); 058 if (configURL != null) { 059 try { 060 log.log(Level.FINE, "Found embedded telnet config url " + configURL); 061 config = new Resource(configURL); 062 } 063 catch (IOException e) { 064 log.log(Level.FINE, "Could not load embedded telnet config url " + configURL + " will bypass it", e); 065 } 066 } 067 068 // Override from config if any 069 Resource res = getContext().loadResource("telnet.properties", ResourceKind.CONFIG); 070 if (res != null) { 071 config = res; 072 log.log(Level.FINE, "Found telnet config url " + configURL); 073 } 074 075 // 076 if (configURL == null) { 077 log.log(Level.INFO, "Could not boot Telnet due to missing config"); 078 return; 079 } 080 081 // 082 TelnetLifeCycle lifeCycle = new TelnetLifeCycle(context); 083 lifeCycle.setConfig(config); 084 Integer port = context.getProperty(TELNET_PORT); 085 if (port != null) { 086 lifeCycle.setPort(port); 087 } 088 089 // 090 lifeCycle.init(); 091 092 // 093 this.lifeCycle = lifeCycle; 094 } 095 096 @Override 097 public void destroy() { 098 if (lifeCycle != null) { 099 lifeCycle.destroy(); 100 } 101 } 102 }