public NonDelegatingCommand() 
{
    this("");
}

 public NonDelegatingCommand(String id) 
{
        this.id = id;
}

 public boolean execute(Context context) throws Exception 
{
        if (context == null) {
            throw new IllegalArgumentException();
        }
        log(context, id);
        return (true);
}

 String getId() 
{
      
        return (this.id);
}

 protected  void log(Context context,
    String id) 
{
        StringBuffer sb = (StringBuffer) context.get("log");
        if (sb == null) {
            sb = new StringBuffer();
            context.put("log", sb);
        }
        if (sb.length()  > 0) {
            sb.append('/");
        }
        sb.append(id);
}

Log the specified id into a StringBuffer attribute named "log" in the specified context, creating it if necessary.

 public  void setId(String id) 
{
    this.id = id;
}