--- /dev/null
+/*
+ * Copyright © 2018 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.
+ */
+
+package org.altusmetrum.altoslib_13;
+
+import java.io.*;
+import java.lang.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.net.*;
+import java.text.*;
+
+public class AltosUnitInfo extends Thread {
+ int sn;
+ int rfcal;
+ AltosUnitInfoListener listener;
+ String json_string;
+
+ public int sn() {
+ return sn;
+ }
+
+ public int rfcal() {
+ return rfcal;
+ }
+
+ void add(String line) {
+ if (json_string == null) {
+ json_string = line;
+ } else {
+ json_string = json_string + "\n" + line;
+ }
+ }
+
+ void notify_complete() {
+ rfcal = AltosLib.MISSING;
+
+ if (json_string != null) {
+ System.out.printf("json_string: %s\n", json_string);
+ AltosJson json = AltosJson.fromString(json_string);
+ System.out.printf("json: %s\n", json);
+ String rfcal_string = null;
+ try {
+ AltosJson unitinfo = json.get("unitinfo");
+ rfcal_string = unitinfo.get_string("rfcal", null);
+ if (rfcal_string != null)
+ rfcal = Integer.parseInt(rfcal_string);
+ } catch (NumberFormatException ne) {
+ System.out.printf("mal-formed integer %s\n", rfcal_string);
+ } catch (IllegalArgumentException ie) {
+ System.out.printf("mal-formed json\n");
+ }
+ }
+ listener.notify_unit_info(this);
+ }
+
+ public void run() {
+ try {
+ String format;
+
+ format = System.getenv(AltosLib.unit_info_env);
+ if (format == null)
+ format = AltosLib.unit_info_url;
+
+ String path = String.format(format, sn);
+
+ URL url = new URL(path);
+
+ System.out.printf("URL: %s\n", 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 AltosUnitInfo(int sn, AltosUnitInfoListener listener) {
+ this.listener = listener;
+ this.sn = sn;
+ this.rfcal = AltosLib.MISSING;
+ start();
+ }
+}
--- /dev/null
+/*
+ * Copyright © 2018 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.
+ */
+
+package org.altusmetrum.altoslib_13;
+
+public interface AltosUnitInfoListener {
+ public abstract void notify_unit_info(AltosUnitInfo unit_info);
+}