TeleStern/altoslib/AltosLaunchSites.java

87 lines
2.2 KiB
Java

/*
* Copyright © 2015 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_14;
import java.io.*;
import java.lang.*;
import java.util.*;
import java.util.concurrent.*;
import java.net.*;
import java.text.*;
public class AltosLaunchSites extends Thread {
URL url;
LinkedList<AltosLaunchSite> sites;
AltosLaunchSiteListener listener;
public static String launch_sites_url;
void notify_complete() {
listener.notify_launch_sites(sites);
}
void add(AltosLaunchSite site) {
sites.add(site);
}
void add(String line) {
try {
add(new AltosLaunchSite(line));
} catch (ParseException pe) {
System.out.printf("parse exception %s\n", pe.toString());
}
}
public void run() {
try {
String path;
if (launch_sites_url != null)
path = launch_sites_url;
else {
path = System.getenv(AltosLib.launch_sites_env);
if (path == null)
path = AltosLib.launch_sites_url;
}
url = new URL(path);
URLConnection uc = url.openConnection();
InputStreamReader in_stream = new InputStreamReader(uc.getInputStream(), AltosLib.unicode_set);
BufferedReader in = new BufferedReader(in_stream);
for (;;) {
String line = in.readLine();
if (line == null)
break;
add(line);
}
} catch (Exception e) {
System.out.printf("file exception %s\n", e.toString());
} finally {
notify_complete();
}
}
public AltosLaunchSites(AltosLaunchSiteListener listener) {
sites = new LinkedList<AltosLaunchSite>();
this.listener = listener;
start();
}
}