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 package org.crsh.ssh.term; 020 021 import org.apache.sshd.common.PtyMode; 022 import org.apache.sshd.server.Environment; 023 024 import java.util.logging.Level; 025 import java.util.logging.Logger; 026 027 public class SSHContext { 028 029 /** . */ 030 private static final Logger log = Logger.getLogger(SSHContext.class.getName()); 031 032 /** . */ 033 public final int verase; 034 035 /** . */ 036 private final Environment env; 037 038 public SSHContext(Environment env) { 039 if (env == null) { 040 throw new NullPointerException("No null env"); 041 } 042 043 // 044 Integer verase = env.getPtyModes().get(PtyMode.VERASE); 045 046 // 047 this.env = env; 048 this.verase = verase != null ? verase : -1; 049 } 050 051 public int getWidth() { 052 String s = env.getEnv().get(Environment.ENV_COLUMNS); 053 int width = -1; 054 if (s != null) { 055 try { 056 width = Integer.parseInt(s); 057 } 058 catch (NumberFormatException e) { 059 log.log(Level.WARNING, "Could not parse ssh term width " + s); 060 } 061 } 062 return width; 063 } 064 065 public int getHeight() { 066 String s = env.getEnv().get(Environment.ENV_LINES); 067 int height = -1; 068 if (s != null) { 069 try { 070 height = Integer.parseInt(s); 071 } 072 catch (NumberFormatException e) { 073 log.log(Level.WARNING, "Could not parse ssh term height " + s); 074 } 075 } 076 return height; 077 } 078 079 public String getProperty(String key) 080 { 081 return env.getEnv().get(key); 082 } 083 }