107 lines
2.6 KiB
Java
107 lines
2.6 KiB
Java
/*
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* Copyright © 2018 Keith Packard <keithp@keithp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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package org.altusmetrum.altoslib_14;
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import java.io.*;
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import java.lang.*;
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import java.util.*;
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import java.util.concurrent.*;
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import java.net.*;
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import java.text.*;
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public class AltosUnitInfo extends Thread {
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int sn;
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int rfcal;
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AltosUnitInfoListener listener;
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String json_string;
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public int sn() {
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return sn;
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}
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public int rfcal() {
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return rfcal;
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}
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void add(String line) {
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if (json_string == null) {
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json_string = line;
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} else {
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json_string = json_string + "\n" + line;
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}
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}
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void notify_complete() {
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rfcal = AltosLib.MISSING;
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if (json_string != null) {
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System.out.printf("json_string: %s\n", json_string);
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AltosJson json = AltosJson.fromString(json_string);
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System.out.printf("json: %s\n", json);
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String rfcal_string = null;
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try {
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AltosJson unitinfo = json.get("unitinfo");
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rfcal_string = unitinfo.get_string("rfcal", null);
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if (rfcal_string != null)
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rfcal = Integer.parseInt(rfcal_string);
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} catch (NumberFormatException ne) {
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System.out.printf("mal-formed integer %s\n", rfcal_string);
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} catch (IllegalArgumentException ie) {
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System.out.printf("mal-formed json\n");
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}
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}
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listener.notify_unit_info(this);
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}
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public void run() {
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try {
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String format;
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format = System.getenv(AltosLib.unit_info_env);
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if (format == null)
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format = AltosLib.unit_info_url;
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String path = String.format(format, sn);
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URL url = new URL(path);
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System.out.printf("URL: %s\n", path);
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URLConnection uc = url.openConnection();
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InputStreamReader in_stream = new InputStreamReader(uc.getInputStream(), AltosLib.unicode_set);
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BufferedReader in = new BufferedReader(in_stream);
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for (;;) {
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String line = in.readLine();
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if (line == null)
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break;
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add(line);
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}
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} catch (Exception e) {
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System.out.printf("file exception %s\n", e.toString());
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} finally {
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notify_complete();
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}
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}
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public AltosUnitInfo(int sn, AltosUnitInfoListener listener) {
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this.listener = listener;
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this.sn = sn;
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this.rfcal = AltosLib.MISSING;
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start();
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}
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}
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