From 1b43a0d4a76910c4b512b2299e17ee0d3b661990 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Thu, 4 Oct 2018 12:12:56 -0700
Subject: [PATCH] altoslib: Add missing AltosUnitInfo files

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 altoslib/AltosUnitInfo.java         | 106 ++++++++++++++++++++++++++++
 altoslib/AltosUnitInfoListener.java |  19 +++++
 2 files changed, 125 insertions(+)
 create mode 100644 altoslib/AltosUnitInfo.java
 create mode 100644 altoslib/AltosUnitInfoListener.java

diff --git a/altoslib/AltosUnitInfo.java b/altoslib/AltosUnitInfo.java
new file mode 100644
index 00000000..2a9f470a
--- /dev/null
+++ b/altoslib/AltosUnitInfo.java
@@ -0,0 +1,106 @@
+/*
+ * 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();
+	}
+}
diff --git a/altoslib/AltosUnitInfoListener.java b/altoslib/AltosUnitInfoListener.java
new file mode 100644
index 00000000..3753df46
--- /dev/null
+++ b/altoslib/AltosUnitInfoListener.java
@@ -0,0 +1,19 @@
+/*
+ * 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);
+}
-- 
2.30.2