Initial commit

13 files changed, 427 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..023292b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+out/
+planes.jar
+.idea/
+1090.iml
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..ea99c27
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+javac **/*.java
+cd out/production/1090
+jar -cvfe planes.jar com.benburwell.planes.gui.Main1090 **
+java -jar planes.jar
+
diff --git a/src/com/benburwell/planes/gui/Main1090.java b/src/com/benburwell/planes/gui/Main1090.java
new file mode 100644
index 0000000..5393dc0
--- /dev/null
+++ b/src/com/benburwell/planes/gui/Main1090.java
@@ -0,0 +1,61 @@
+/**
+ * Created by ben on 11/15/16.
+ */
+
+package com.benburwell.planes.gui;
+
+import com.benburwell.planes.sbs.*;
+
+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.KeyEvent;
+
+public class Main1090 extends JFrame {
+    private AggregateDataSource sbsDataSource = new AggregateDataSource();
+
+    public Main1090() {
+        this.initUI();
+    }
+
+    private void initUI() {
+        this.createMenuBar();
+
+        this.setTitle("1090");
+        this.setSize(100, 100);
+        this.setLocationRelativeTo(null);
+        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+
+        this.openDataSource();
+    }
+
+    private void createMenuBar() {
+        JMenuBar menubar = new JMenuBar();
+        JMenu file = new JMenu("1090");
+        file.setMnemonic(KeyEvent.VK_F);
+        JMenuItem eMenuItem = new JMenuItem("Quit");
+        eMenuItem.setMnemonic(KeyEvent.VK_E);
+        eMenuItem.setToolTipText("Exit 1090");
+        eMenuItem.addActionListener((ActionEvent event) -> {
+            System.exit(0);
+        });
+        file.add(eMenuItem);
+        menubar.add(file);
+        this.setJMenuBar(menubar);
+    }
+
+    private void openDataSource() {
+        System.out.println("asdfasdfasdfasdfasdf");
+        this.sbsDataSource.addSource(new TCPDataSource("10.0.0.111", 30003));
+        this.sbsDataSource.subscribe((SBSPacket packet) -> {
+            System.out.println("Got message: " + packet.toString());
+        });
+    }
+
+    public static void main(String[] args) {
+        EventQueue.invokeLater(() -> {
+            Main1090 app = new Main1090();
+            app.setVisible(true);
+        });
+    }
+}
diff --git a/src/com/benburwell/planes/sbs/AggregateDataSource.java b/src/com/benburwell/planes/sbs/AggregateDataSource.java
new file mode 100644
index 0000000..08b89ea
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/AggregateDataSource.java
@@ -0,0 +1,23 @@
+package com.benburwell.planes.sbs;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public class AggregateDataSource implements DataSource {
+    private List<DataListener> subscribers = new ArrayList<>();
+
+    public void addSource(DataSource source) {
+        source.subscribe((SBSPacket packet) -> {
+            for (DataListener listener : subscribers) {
+                listener.handleMessage(packet);
+            }
+        });
+    }
+
+    public void subscribe(DataListener listener) {
+        this.subscribers.add(listener);
+    }
+}
diff --git a/src/com/benburwell/planes/sbs/DataListener.java b/src/com/benburwell/planes/sbs/DataListener.java
new file mode 100644
index 0000000..b0da2ef
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/DataListener.java
@@ -0,0 +1,8 @@
+package com.benburwell.planes.sbs;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public interface DataListener {
+    void handleMessage(SBSPacket packet);
+}
diff --git a/src/com/benburwell/planes/sbs/DataSource.java b/src/com/benburwell/planes/sbs/DataSource.java
new file mode 100644
index 0000000..959e273
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/DataSource.java
@@ -0,0 +1,8 @@
+package com.benburwell.planes.sbs;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public interface DataSource {
+    void subscribe(DataListener listener);
+}
diff --git a/src/com/benburwell/planes/sbs/MalformedPacketException.java b/src/com/benburwell/planes/sbs/MalformedPacketException.java
new file mode 100644
index 0000000..6cbd1a3
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/MalformedPacketException.java
@@ -0,0 +1,15 @@
+package com.benburwell.planes.sbs;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public class MalformedPacketException extends Exception {
+    private String message;
+    public MalformedPacketException(String message) {
+        this.message = message;
+    }
+
+    public String getMessage() {
+        return this.message;
+    }
+}
diff --git a/src/com/benburwell/planes/sbs/MessageType.java b/src/com/benburwell/planes/sbs/MessageType.java
new file mode 100644
index 0000000..a2ecc66
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/MessageType.java
@@ -0,0 +1,31 @@
+package com.benburwell.planes.sbs;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public enum MessageType {
+    SELECTION_CHANGE("SEL"),
+    NEW_ID("ID"),
+    NEW_AIRCRAFT("AIR"),
+    STATUS_CHANGE("STA"),
+    CLICK("CLK"),
+    TRANSMISSION("MSG");
+
+    private String code;
+    MessageType(String code) {
+        this.code = code;
+    }
+
+    public String getCode() {
+        return this.code;
+    }
+
+    public static MessageType parse(String messageType) throws UnrecognizedMessageTypeException {
+        for (MessageType type : MessageType.values()) {
+            if (type.getCode().equals(messageType)) {
+                return type;
+            }
+        }
+        throw new UnrecognizedMessageTypeException(messageType);
+    }
+}
diff --git a/src/com/benburwell/planes/sbs/SBSPacket.java b/src/com/benburwell/planes/sbs/SBSPacket.java
new file mode 100644
index 0000000..0988f3a
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/SBSPacket.java
@@ -0,0 +1,140 @@
+package com.benburwell.planes.sbs;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.DoubleSummaryStatistics;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public class SBSPacket {
+    private MessageType messageType;
+    private TransmissionType transmissionType;
+    private String sessionId;
+    private String aircraftId;
+    private String hexIdent;
+    private String flightId;
+    private Date dateGenerated;
+    private Date dateLogged;
+    private String callsign;
+    private double altitude;
+    private double groundSpeed;
+    private double track;
+    private double latitude;
+    private double longitude;
+    private double verticalRate;
+    private String squawk;
+    private boolean alert;
+    private boolean emergency;
+    private boolean spi;
+    private boolean isOnGround;
+
+    public SBSPacket() {
+    }
+
+    public SBSPacket(String packet) throws MalformedPacketException {
+        this.parse(packet);
+    }
+
+    public void parse(String packet) throws MalformedPacketException {
+        String[] segments = packet.split(",", -1);
+        if (segments.length < 11) {
+            throw new MalformedPacketException("Packet must have at least 11 fields, but has only " + segments.length);
+        }
+
+        // get the message type
+        try {
+            this.messageType = MessageType.parse(segments[0]);
+        } catch (UnrecognizedMessageTypeException e) {
+            throw new MalformedPacketException("Packet has an unrecognized message type: " + e.getType());
+        }
+
+        // get the transmission type
+        if (this.messageType.equals(MessageType.TRANSMISSION)) {
+            try {
+                this.transmissionType = TransmissionType.parse(segments[1]);
+            } catch (UnrecognizedTransmissionTypeException e) {
+                throw new MalformedPacketException("Packet has an unrecognized transmission type code: " + e.getCode());
+            }
+        }
+
+        this.sessionId = segments[2];
+        this.aircraftId = segments[3];
+        this.hexIdent = segments[4];
+        this.flightId = segments[5];
+        this.dateGenerated = this.parseDateAndTime(segments[6], segments[7]);
+        this.dateLogged = this.parseDateAndTime(segments[8], segments[9]);
+        this.callsign = segments[10];
+
+        if (this.messageType.equals(MessageType.TRANSMISSION)) {
+            if (segments.length < 22) {
+                throw new MalformedPacketException("Packet is a message (22 fields), but only has " + segments.length);
+            }
+            if (segments[11].length() > 0) {
+                this.altitude = Double.parseDouble(segments[11]);
+            }
+            if (segments[12].length() > 0) {
+                this.groundSpeed = Double.parseDouble(segments[12]);
+            }
+            if (segments[13].length() > 0) {
+                this.track = Double.parseDouble(segments[13]);
+            }
+            if (segments[14].length() > 0) {
+                this.latitude = Double.parseDouble(segments[14]);
+            }
+            if (segments[15].length() > 0) {
+                this.longitude = Double.parseDouble(segments[15]);
+            }
+            if (segments[16].length() > 0) {
+                this.verticalRate = Double.parseDouble(segments[16]);
+            }
+            this.squawk = segments[17];
+            if (segments[18].length() > 0) {
+                this.alert = segments[18].equals("1");
+            }
+            if (segments[19].length() > 0) {
+                this.emergency = segments[19].equals("1");
+            }
+            if (segments[20].length() > 0) {
+                this.spi = segments[20].equals("1");
+            }
+            if (segments[21].length() > 0) {
+                this.isOnGround = segments[21].equals("1");
+            }
+        }
+    }
+
+    public Date parseDateAndTime(String date, String time) {
+        String combined = "";
+        Calendar now = Calendar.getInstance();
+        if (date == null || date.isEmpty()) {
+            combined += now.get(Calendar.YEAR) + "/" + now.get(Calendar.MONTH) + "/" + now.get(Calendar.DAY_OF_MONTH);
+        } else {
+            combined += date;
+        }
+
+        combined += " ";
+
+        if (time == null || time.isEmpty()) {
+            combined += now.get(Calendar.HOUR_OF_DAY) + ":" +
+                    now.get(Calendar.MINUTE) + ":" +
+                    now.get(Calendar.SECOND) + "." +
+                    now.get(Calendar.MILLISECOND);
+        } else {
+            combined += time;
+        }
+
+        SimpleDateFormat fmt = new SimpleDateFormat("yyyy/MM/dd hh:mm:ss.sss");
+        try {
+            return fmt.parse(combined);
+        } catch (ParseException e) {
+            return null;
+        }
+    }
+
+    public String toString() {
+        return this.messageType.name();
+    }
+}
diff --git a/src/com/benburwell/planes/sbs/TCPDataSource.java b/src/com/benburwell/planes/sbs/TCPDataSource.java
new file mode 100644
index 0000000..6c0e51d
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/TCPDataSource.java
@@ -0,0 +1,56 @@
+package com.benburwell.planes.sbs;
+
+import java.util.List;
+import java.util.ArrayList;
+import java.io.*;
+import java.net.*;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public class TCPDataSource implements DataSource {
+    private List<DataListener> subscribers = new ArrayList<>();
+
+    public TCPDataSource(String host, int port) {
+        new Thread(() -> {
+            System.out.println("Starting socket client");
+            Socket clientSocket;
+            BufferedReader socketReader;
+            try {
+                clientSocket = new Socket(host, port);
+            } catch (IOException e) {
+                System.out.println("Could not connect to " + host + " on port " + port + ": " + e.getMessage());
+                return;
+            }
+            try {
+                socketReader = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
+            } catch (IOException e) {
+                System.out.println("Could not create socket reader: " + e.getMessage());
+                return;
+            }
+
+            String receivedMessage;
+            while (true) {
+                try {
+                    receivedMessage = socketReader.readLine();
+                } catch (IOException e) {
+                    System.out.println("Error reading from socket: " + e.getMessage());
+                    return;
+                }
+                try {
+                    SBSPacket packet = new SBSPacket(receivedMessage);
+                    for (DataListener subscriber : subscribers) {
+                        subscriber.handleMessage(packet);
+                    }
+                } catch (MalformedPacketException e) {
+                    System.out.println("Discarding malformed packet: " + receivedMessage);
+                    System.out.println(e.getMessage());
+                }
+            }
+        }).start();
+    }
+
+    public void subscribe(DataListener listener) {
+        this.subscribers.add(listener);
+    }
+}
diff --git a/src/com/benburwell/planes/sbs/TransmissionType.java b/src/com/benburwell/planes/sbs/TransmissionType.java
new file mode 100644
index 0000000..fb1761e
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/TransmissionType.java
@@ -0,0 +1,34 @@
+package com.benburwell.planes.sbs;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public enum TransmissionType {
+    ES_IDENTIFICATION(1),
+    ES_SURFACE_POSITION(2),
+    ES_AIRBORNE_POSITION(3),
+    ES_AIRBORNE_VELOCITY(4),
+    SURVEILLANCE_ALT(5),
+    SURVEILLANCE_ID(6),
+    AIR_TO_AIR(7),
+    ALL_CALL_REPLY(8);
+
+    private int id;
+    TransmissionType(int id) {
+        this.id = id;
+    }
+
+    public int getId() {
+        return this.id;
+    }
+
+    public static TransmissionType parse(String codeString) throws UnrecognizedTransmissionTypeException {
+        int code = Integer.parseInt(codeString);
+        for (TransmissionType transmissionType : TransmissionType.values()) {
+            if (transmissionType.getId() == code) {
+                return transmissionType;
+            }
+        }
+        throw new UnrecognizedTransmissionTypeException(code);
+    }
+}
diff --git a/src/com/benburwell/planes/sbs/UnrecognizedMessageTypeException.java b/src/com/benburwell/planes/sbs/UnrecognizedMessageTypeException.java
new file mode 100644
index 0000000..ee30a87
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/UnrecognizedMessageTypeException.java
@@ -0,0 +1,20 @@
+package com.benburwell.planes.sbs;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public class UnrecognizedMessageTypeException extends Exception {
+    private String type;
+
+    public UnrecognizedMessageTypeException(String type) {
+        this.type = type;
+    }
+
+    public String getType() {
+        return this.type;
+    }
+
+    public String getMessage() {
+        return "Unrecognized message type: " + this.getType();
+    }
+}
diff --git a/src/com/benburwell/planes/sbs/UnrecognizedTransmissionTypeException.java b/src/com/benburwell/planes/sbs/UnrecognizedTransmissionTypeException.java
new file mode 100644
index 0000000..abab067
--- /dev/null
+++ b/src/com/benburwell/planes/sbs/UnrecognizedTransmissionTypeException.java
@@ -0,0 +1,20 @@
+package com.benburwell.planes.sbs;
+
+/**
+ * Created by ben on 11/15/16.
+ */
+public class UnrecognizedTransmissionTypeException extends Exception {
+    private int code;
+
+    public UnrecognizedTransmissionTypeException(int code) {
+        this.code = code;
+    }
+
+    public int getCode() {
+        return this.code;
+    }
+
+    public String getMessage() {
+        return "Unrecognized transmission type: " + this.getCode();
+    }
+}