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 package org.crsh.ssh.term; 020 021 import org.apache.sshd.common.PtyMode; 022 import org.apache.sshd.server.Environment; 023 import org.slf4j.Logger; 024 import org.slf4j.LoggerFactory; 025 026 /** 027 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 028 * @version $Revision$ 029 */ 030 public class SSHContext { 031 032 /** . */ 033 private static final Logger log = LoggerFactory.getLogger(SSHContext.class); 034 035 /** . */ 036 public final int verase; 037 038 /** . */ 039 private final Environment env; 040 041 public SSHContext(Environment env) { 042 if (env == null) { 043 throw new NullPointerException("No null env"); 044 } 045 046 // 047 Integer verase = env.getPtyModes().get(PtyMode.VERASE); 048 049 // 050 this.env = env; 051 this.verase = verase != null ? verase : -1; 052 } 053 054 public int getWidth() { 055 String s = env.getEnv().get(Environment.ENV_COLUMNS); 056 int width = 0; 057 if (s != null) { 058 try { 059 width = Integer.parseInt(s); 060 } 061 catch (NumberFormatException e) { 062 log.warn("Could not parse ssh term width " + s); 063 } 064 } 065 return width; 066 } 067 068 public String getProperty(String key) 069 { 070 return env.getEnv().get(key); 071 } 072 }