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   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package altosui;
  19 import java.lang.*;
  20 import java.util.*;
  21 import libaltosJNI.*;
  22
  23 public class AltosBTDevice extends altos_bt_device {
  24
  25         static public boolean initialized = false;
  26         static public boolean loaded_library = false;
  27
  28         public static boolean load_library() {
  29                 if (!initialized) {
  30                         try {
  31                                 System.loadLibrary("altos");
  32                                 libaltos.altos_init();
  33                                 loaded_library = true;
  34                         } catch (UnsatisfiedLinkError e) {
  35                                 loaded_library = false;
  36                         }
  37                         initialized = true;
  38                 }
  39                 return loaded_library;
  40         }
  41
  42         static String bt_product_telebt() {
  43                 if (load_library())
  44                         return libaltosConstants.BLUETOOTH_PRODUCT_TELEBT;
  45                 return "TeleBT";
  46         }
  47
  48         public final static String bt_product_telebt = bt_product_telebt();
  49         public final static String bt_product_any = "Any";
  50         public final static String bt_product_basestation = "Basestation";
  51
  52         public String getProduct() {
  53                 String  name = getName();
  54                 if (name == null)
  55                         return "Altus Metrum";
  56                 int     dash = name.lastIndexOf("-");
  57                 if (dash < 0)
  58                         return name;
  59                 return name.substring(0,dash);
  60         }
  61
  62         public int getSerial() {
  63                 String name = getName();
  64                 if (name == null)
  65                         return 0;
  66                 int dash = name.lastIndexOf("-");
  67                 if (dash < 0 || dash >= name.length())
  68                         return 0;
  69                 String sn = name.substring(dash + 1, name.length());
  70                 try {
  71                         return Integer.parseInt(sn);
  72                 } catch (NumberFormatException ne) {
  73                         return 0;
  74                 }
  75         }
  76
  77         public String toString() {
  78                 String  name = getName();
  79                 if (name == null)
  80                         name = "Altus Metrum";
  81                 return String.format("%-20.20s %4d %s",
  82                                      getProduct(), getSerial(), getAddr());
  83         }
  84
  85         public String toShortString() {
  86                 String  name = getName();
  87                 if (name == null)
  88                         name = "Altus Metrum";
  89                 return String.format("%s %d %s",
  90                                      getProduct(), getSerial(), getAddr());
  91
  92         }
  93
  94         public boolean isAltusMetrum() {
  95                 if (getName().startsWith(bt_product_telebt))
  96                         return true;
  97                 return false;
  98         }
  99
 100         public boolean matchProduct(String want_product) {
 101
 102                 if (!isAltusMetrum())
 103                         return false;
 104
 105                 if (want_product.equals(bt_product_any))
 106                         return true;
 107
 108                 if (want_product.equals(bt_product_basestation))
 109                         return matchProduct(bt_product_telebt);
 110
 111                 if (want_product.equals(getProduct()))
 112                         return true;
 113
 114                 return false;
 115         }
 116
 117         static AltosBTDevice[] list(String product) {
 118                 if (!load_library())
 119                         return null;
 120
 121                 SWIGTYPE_p_altos_bt_list list = libaltos.altos_bt_list_start();
 122
 123                 ArrayList<AltosBTDevice> device_list = new ArrayList<AltosBTDevice>();
 124                 if (list != null) {
 125                         SWIGTYPE_p_altos_file file;
 126
 127                         for (;;) {
 128                                 AltosBTDevice device = new AltosBTDevice();
 129                                 if (libaltos.altos_bt_list_next(list, device) == 0)
 130                                         break;
 131                                 if (device.matchProduct(product))
 132                                         device_list.add(device);
 133                         }
 134                         libaltos.altos_bt_list_finish(list);
 135                 }
 136
 137                 AltosBTDevice[] devices = new AltosBTDevice[device_list.size()];
 138                 for (int i = 0; i < device_list.size(); i++)
 139                         devices[i] = device_list.get(i);
 140                 return devices;
 141         }
 142 }