git.gag.com Git - fw/altos/blob - altoslib/AltosLaunchSites.java

   1 /*
   2  * Copyright © 2015 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 org.altusmetrum.altoslib_10;
  19
  20 import java.io.*;
  21 import java.lang.*;
  22 import java.util.*;
  23 import java.util.concurrent.*;
  24 import java.net.*;
  25 import java.text.*;
  26
  27 public class AltosLaunchSites extends Thread {
  28         URL                             url;
  29         LinkedList<AltosLaunchSite>     sites;
  30         AltosLaunchSiteListener         listener;
  31
  32         void notify_complete() {
  33                 listener.notify_launch_sites(sites);
  34         }
  35
  36         void add(AltosLaunchSite site) {
  37                 sites.add(site);
  38         }
  39
  40         void add(String line) {
  41                 try {
  42                         add(new AltosLaunchSite(line));
  43                 } catch (ParseException pe) {
  44                         System.out.printf("parse exception %s\n", pe.toString());
  45                 }
  46         }
  47
  48         public void run() {
  49                 try {
  50                         String  path;
  51
  52                         path = System.getenv(AltosLib.launch_sites_env);
  53                         if (path == null)
  54                                 path = AltosLib.launch_sites_url;
  55                         url = new URL(path);
  56                         URLConnection uc = url.openConnection();
  57
  58                         InputStreamReader in_stream = new InputStreamReader(uc.getInputStream(), AltosLib.unicode_set);
  59                         BufferedReader in = new BufferedReader(in_stream);
  60
  61                         for (;;) {
  62                                 String line = in.readLine();
  63                                 if (line == null)
  64                                         break;
  65                                 add(line);
  66                         }
  67                 } catch (Exception e) {
  68                         System.out.printf("file exception %s\n", e.toString());
  69                 } finally {
  70                         notify_complete();
  71                 }
  72         }
  73
  74         public AltosLaunchSites(AltosLaunchSiteListener listener) {
  75                 sites = new LinkedList<AltosLaunchSite>();
  76                 this.listener = listener;
  77                 start();
  78         }
  79 }