sdnr/wireless-transport/code-Carbon-SR1/apps/devicemanager/impl/src/main/java/org/opendaylight/mwtn/base/internalTypes/Environment.java

   1 package org.opendaylight.mwtn.base.internalTypes;
   2
   3 import java.net.Inet4Address;
   4 import java.net.UnknownHostException;
   5 import java.util.Map;
   6
   7 public class Environment {
   8
   9         public static String getVar(String v)
  10         {
  11                 if(v.equals("$HOSTNAME"))
  12                 {
  13                         String s=null;
  14                         try {
  15                                 s = Inet4Address.getLocalHost().getHostName();
  16                         } catch (UnknownHostException e) {
  17
  18                         }
  19                         if(s!=null && s.length()>0)
  20                                 return s;
  21                 }
  22                 Map<String, String> env = System.getenv();
  23         for (String envName : env.keySet()) {
  24            if(envName!=null && envName.equals(v))
  25               return env.get(envName);
  26         }
  27         return null;
  28         }
  29 }