kopia lustrzana https://github.com/dl2alf/AirScout
683 wiersze
25 KiB
C#
683 wiersze
25 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Reflection;
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using System.ComponentModel.Composition;
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using System.ComponentModel;
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using System.Globalization;
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using AirScout.PlaneFeeds.Plugin.MEFContract;
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using System.Diagnostics;
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using System.Net;
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using System.IO;
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using System.Web.Script.Serialization;
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using System.Xml.Linq;
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using System.Xml.Serialization;
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using System.Collections;
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using Newtonsoft.Json;
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//TODO: Rename namespace to a name of your choice
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namespace AirScout.PlaneFeeds.Plugin.OpenSky
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{
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//TODO: Rename settings class to a name of your choice
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// Add any persistant setting here
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// Use [Browsable(true/false)] to present the setting to the user and allow changes or not
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// Use [CategoryAttribute("<description")] to group settings to categories
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// Use [DescriptionAttribute("<description")] to add a description to this setting
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// Use [DefaultValue(<value>)] to set a default value for this setting
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// Use [XmlIgnore] if you don't want this setting to be ex-/imported, but stiil stored in settings file
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// Example:
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// [CategoryAttribute("Web Feed")]
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// [DescriptionAttribute("Timeout for loading the site.")]
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// [DefaultValue(30)]
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// [XmlIgnore]
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// public int Timeout { get; set; }
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/// <summary>
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/// Keeps all persistant settings of plugin
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/// </summary>
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public class OpenSkySettings
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{
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[Browsable(false)]
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[DefaultValue("")]
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[XmlIgnore]
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public string DisclaimerAccepted { get; set; }
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[Browsable(true)]
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[CategoryAttribute("Web Feed")]
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[DescriptionAttribute("Save downloaded JSON to file")]
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[DefaultValue(false)]
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[XmlIgnore]
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public bool SaveToFile { get; set; }
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[Browsable(true)]
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[CategoryAttribute("Web Feed")]
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[DescriptionAttribute("Base URL for website.")]
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[DefaultValue("https://opensky-network.org/api/states/all?lamin=%MINLAT%&lomin=%MINLON%&lamax=%MAXLAT%&lomax=%MAXLON%")]
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public string URL { get; set; }
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[Browsable(true)]
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[CategoryAttribute("Web Feed")]
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[DescriptionAttribute("Username for Authentication (blank for anonymous)")]
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[DefaultValue("")]
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public string Username { get; set; }
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[Browsable(true)]
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[CategoryAttribute("Web Feed")]
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[DescriptionAttribute("Password for Authentication (blank for anonymous)")]
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[DefaultValue("")]
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[PasswordPropertyText(true)]
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public string Password { get; set; }
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[Browsable(true)]
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[CategoryAttribute("Web Feed")]
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[DescriptionAttribute("Timeout for loading the site.")]
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[DefaultValue(90)]
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[XmlIgnore]
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public int Timeout { get; set; }
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public OpenSkySettings()
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{
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Default();
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Load(true);
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// TODO:
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}
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// Methods für Load/Dave/Default, don't change!
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#region Load/Save/Default
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/// <summary>
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/// Sets all properties to their default value according to the [DefaultValue=] attribute
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/// </summary>
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public void Default()
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{
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// set all properties to their default values according to definition in [DeafultValue=]
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foreach (var p in this.GetType().GetProperties())
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{
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try
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{
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// initialize all properties with default value if set
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if (Attribute.IsDefined(p, typeof(DefaultValueAttribute)))
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{
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p.SetValue(this, ((DefaultValueAttribute)Attribute.GetCustomAttribute(
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p, typeof(DefaultValueAttribute)))?.Value, null);
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine("[" + this.GetType().Name + "]: Cannot set default value of: " + p.Name + ", " + ex.Message);
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}
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}
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}
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/// <summary>
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/// Loads settings from a XML-formatted configuration file into settings.
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/// </summary>
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/// <param name="loadall">If true, ignore the [XmlIgnore] attribute, e.g. load all settings available in the file.<br>If false, load only settings without [XmlIgore] attrbute.</br></param>
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/// <param name="filename">The filename of the settings file.</param>
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public void Load(bool loadall, string filename = "")
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{
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// use standard filename if empty
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// be careful because Linux file system is case sensitive
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if (String.IsNullOrEmpty(filename))
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filename = new Uri(Assembly.GetExecutingAssembly().GetName().CodeBase.Replace(".dll", ".cfg").Replace(".DLL", ".CFG")).LocalPath;
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// do nothing if file not exists
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if (!File.Exists(filename))
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return;
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try
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{
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string xml = "";
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using (StreamReader sr = new StreamReader(File.OpenRead(filename)))
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{
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xml = sr.ReadToEnd();
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}
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XDocument xdoc = XDocument.Parse(xml);
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PropertyInfo[] properties = this.GetType().GetProperties();
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foreach (PropertyInfo p in properties)
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{
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if (!loadall)
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{
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// check on XmlIgnore attribute, skip if set
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object[] attr = p.GetCustomAttributes(typeof(XmlIgnoreAttribute), false);
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if (attr.Length > 0)
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continue;
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}
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try
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{
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// get matching element
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XElement typenode = xdoc.Element(this.GetType().Name);
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if (typenode != null)
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{
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XElement element = typenode.Element(p.Name);
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if (element != null)
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p.SetValue(this, Convert.ChangeType(element.Value, p.PropertyType), null);
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine("[" + this.GetType().Name + "]: Error while loading property[" + p.Name + " from " + filename + ", " + ex.Message);
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine("[" + this.GetType().Name + "]: Cannot load settings from " + filename + ", " + ex.Message);
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}
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}
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/// <summary>
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/// Saves settings from settings into a XML-formatted configuration file
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/// </summary>
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/// <param name="saveall">If true, ignore the [XmlIgnore] attribute, e.g. save all settings.<br>If false, save only settings without [XmlIgore] attrbute.</param>
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/// <param name="filename">The filename of the settings file.</param>
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public void Save(bool saveall, string filename = "")
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{
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// use standard filename if empty
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// be careful because Linux file system is case sensitive
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if (String.IsNullOrEmpty(filename))
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filename = new Uri(Assembly.GetExecutingAssembly().GetName().CodeBase.Replace(".dll", ".cfg").Replace(".DLL", ".CFG")).LocalPath;
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XmlAttributeOverrides overrides = new XmlAttributeOverrides();
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if (saveall)
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{
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// ovverride the XmlIgnore attributes to get all serialized
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PropertyInfo[] properties = this.GetType().GetProperties();
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foreach (PropertyInfo p in properties)
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{
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XmlAttributes attribs = new XmlAttributes { XmlIgnore = false };
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overrides.Add(this.GetType(), p.Name, attribs);
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}
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}
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try
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{
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using (StreamWriter sw = new StreamWriter(File.Create(filename)))
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{
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XmlSerializer s = new XmlSerializer(this.GetType(), overrides);
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s.Serialize(sw, this);
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}
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException("[" + this.GetType().Name + "]: Cannot save settings to " + filename + ", " + ex.Message);
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}
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}
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}
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#endregion
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//TODO: Rename plugin class to a name of yout choice
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/// <summary>
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/// Holds the plane feed plugin class
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/// </summary>
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[Export(typeof(IPlaneFeedPlugin))]
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[ExportMetadata("Name", "PlaneFeedPlugin")]
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public class OpenSkyPlugin : IPlaneFeedPlugin
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{
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private OpenSkySettings Settings = new OpenSkySettings();
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// start of interface
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//TODO: Change return values so that they represent plugin's functionality
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#region Interface
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public string Name
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{
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get
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{
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return "[WebFeed] OpenSky";
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}
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}
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public string Version
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{
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get
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{
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return Assembly.GetExecutingAssembly().GetName().Version.ToString();
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}
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}
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public string Info
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{
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get
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{
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return "Web feed from the OpenSky Network.\n" +
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"For details see https://opensky-network.org.\n\n" +
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"As this is a community network, please consider to run a personal ADSB-receiver and to contribute your data to this network.\n\n" +
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"The daily limit for anonymous requests to OpenSky Network is 100. You can extend the limit to 1000 if you are an registerd user.\n" +
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"For this, please enter your username & password here.";
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}
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}
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public bool HasSettings
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{
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get
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{
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return true;
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}
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}
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public bool CanImport
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{
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get
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{
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return false;
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}
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}
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public bool CanExport
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{
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get
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{
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return false;
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}
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}
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public string Disclaimer
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{
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get
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{
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return "";
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}
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}
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public string DisclaimerAccepted
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{
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get
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{
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return Settings.DisclaimerAccepted;
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}
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set
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{
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Settings.DisclaimerAccepted = value;
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}
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}
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public void ResetSettings()
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{
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Settings.Default();
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}
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public void LoadSettings()
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{
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Settings.Load(true);
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}
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public void SaveSettings()
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{
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Settings.Save(true);
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}
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public object GetSettings()
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{
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return this.Settings;
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}
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public void ImportSettings()
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{
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// nothing to do
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}
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public void ExportSettings()
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{
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// nothing to do
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}
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public void Start(PlaneFeedPluginArgs args)
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{
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// add code for startup here
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}
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public PlaneFeedPluginPlaneInfoList GetPlanes(PlaneFeedPluginArgs args)
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{
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// intialize variables
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VarConverter VC = new VarConverter();
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VC.AddVar("APPDIR", args.AppDirectory);
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VC.AddVar("DATADIR", args.AppDataDirectory);
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VC.AddVar("LOGDIR", args.LogDirectory);
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VC.AddVar("DATABASEDIR", args.DatabaseDirectory);
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VC.AddVar("MINLAT", args.MinLat);
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VC.AddVar("MAXLAT", args.MaxLat);
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VC.AddVar("MINLON", args.MinLon);
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VC.AddVar("MAXLON", args.MaxLon);
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VC.AddVar("MINALTM", args.MinAlt);
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VC.AddVar("MAXALTM", args.MaxAlt);
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VC.AddVar("MINALTFT", (int)UnitConverter.m_ft((double)args.MinAlt));
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VC.AddVar("MAXALTFT", (int)UnitConverter.m_ft((double)args.MaxAlt));
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// initialize plane info list
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PlaneFeedPluginPlaneInfoList planes = new PlaneFeedPluginPlaneInfoList();
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string json = "";
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// calculate url and get json
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String url = VC.ReplaceAllVars(Settings.URL);
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Console.WriteLine("[" + this.GetType().Name + "]: Creating web request: " + url);
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// this will only run on .NET 4.0 if you have installed .NET 4.5 or later frameworks on your machine!
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// ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;
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// HttpWebRequest webrequest = (HttpWebRequest)HttpWebRequest.Create(url);
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// webrequest.Timeout = Settings.Timeout * 1000;
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// webrequest.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:73.0) Gecko/20100101 Firefox/73.0";
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// webrequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
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// Console.WriteLine("[" + this.GetType().Name + "]: Getting web response");
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// HttpWebResponse webresponse = (HttpWebResponse)webrequest.GetResponse();
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// Console.WriteLine("[" + this.GetType().Name + "]: Reading stream");
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// using (StreamReader sr = new StreamReader(webresponse.GetResponseStream()))
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// {
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// json = sr.ReadToEnd();
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// }
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DateTime downloadstart = DateTime.UtcNow;
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json = OSNTlsClient.DownloadFile(url, Settings.Timeout * 1000, Settings.Username, Settings.Password);
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Console.WriteLine("[" + this.GetType().Name + "]: Content downloaded, " + (DateTime.UtcNow - downloadstart).TotalMilliseconds.ToString("F0") + "ms.");
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// check for errors
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if (!json.StartsWith("{"))
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{
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// report the first characters of response
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throw new Exception("Response: " + json.Substring(0, 80));
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}
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// save raw data to file if enabled
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if (Settings.SaveToFile)
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{
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using (StreamWriter sw = new StreamWriter(args.TmpDirectory + Path.DirectorySeparatorChar + this.GetType().Name + "_" + DateTime.UtcNow.ToString("yyyy-MM-dd HH_mm_ss") + ".json"))
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{
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sw.WriteLine(json);
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}
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}
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Console.WriteLine("[" + this.GetType().Name + "]: Analyzing data");
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// JavaScriptSerializer js = new JavaScriptSerializer();
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// dynamic root = js.Deserialize<dynamic>(json);
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dynamic root = JsonConvert.DeserializeObject(json);
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try
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{
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// analyze json string for planes data
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// get the planes position list
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var aclist = root["states"];
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if (aclist != null)
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{
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foreach (var ac in aclist)
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{
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try
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{
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// different handling of reading JSON between Windows (Array) & Linux (ArrayList)
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// access to data values itself is the same
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int len = 0;
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len = ac.Count;
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// skip if too few fields in record
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if (len < 17)
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continue;
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PlaneFeedPluginPlaneInfo plane = new PlaneFeedPluginPlaneInfo();
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// get hex first
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plane.Hex = ReadPropertyString(ac, 0).ToUpper().Trim();
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// get callsign
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plane.Call = ReadPropertyString(ac, 1).ToUpperInvariant().Trim();
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// get position
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plane.Lon = ReadPropertyDouble(ac, 5);
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plane.Lat = ReadPropertyDouble(ac, 6);
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// get altitude (provided in m --> convert to ft)
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plane.Alt = UnitConverter.m_ft(ReadPropertyDouble(ac, 13));
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// get track
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plane.Track = ReadPropertyDouble(ac, 10);
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// get speed (provided in m/s --> convert to kts)
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plane.Speed = UnitConverter.ms_kts(ReadPropertyDouble(ac, 9));
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// registration is not provided
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plane.Reg = "";
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// get position timestamp in sec
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int l = ReadPropertyInt(ac, 3);
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if (l != int.MinValue)
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{
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DateTime timestamp = new System.DateTime(1970, 1, 1, 0, 0, 0, 0);
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timestamp = timestamp.AddSeconds(l);
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plane.Time = timestamp;
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}
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else
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{
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// skip plane if no valid timestamp found
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continue;
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}
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// get type info
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plane.Type = ReadPropertyString(ac, 5);
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// discard planes on ground
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bool onground = ReadPropertyBool(ac, 8);
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if (onground)
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continue;
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// discard planes stopped
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if (plane.Speed <= 0)
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continue;
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planes.Add(plane);
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}
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catch (Exception ex)
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{
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Console.WriteLine("[" + System.Reflection.MethodBase.GetCurrentMethod().Name + "]" + ex.Message);
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}
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine("[" + System.Reflection.MethodBase.GetCurrentMethod().Name + "]" + ex.Message);
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}
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Console.WriteLine("[" + this.GetType().Name + "]: Returning " + planes.Count + " planes");
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return planes;
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}
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public void Stop(PlaneFeedPluginArgs args)
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{
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// add code for stopping here
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}
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#endregion
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// End of interface
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// ************************************* Helpers ****************************************************
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private string ReadPropertyString(dynamic o, int propertyindex)
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{
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string s = null;
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try
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{
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s = o[propertyindex];
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}
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catch (Exception ex)
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{
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// do nothing if something went wrong
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Console.WriteLine("[ReadPropertyString]: " + ex.ToString());
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}
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return s;
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}
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private int ReadPropertyInt(dynamic o, int propertyindex)
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{
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int i = int.MinValue;
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try
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{
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double d = ReadPropertyDouble(o, propertyindex);
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if ((d != double.MinValue) && (d >= int.MinValue) && (d <= int.MaxValue))
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i = (int)d;
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}
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catch
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{
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// do nothing if something went wrong
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}
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return i;
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}
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private double ReadPropertyDouble(dynamic o, int propertyindex)
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{
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double d = double.MinValue;
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try
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{
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string s = o[propertyindex].ToString(CultureInfo.InvariantCulture).Trim();
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// check for special values
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if (String.IsNullOrEmpty(s))
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d = double.MinValue;
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else if (s.ToUpperInvariant().StartsWith("-INF"))
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d = double.MinValue;
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else if (s.ToUpperInvariant().StartsWith("+INF"))
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d = double.MaxValue;
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else if (s.ToUpperInvariant().StartsWith("NAN"))
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d = double.NaN;
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else if (s.ToUpperInvariant().StartsWith("NULL"))
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d = double.NaN;
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else
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d = double.Parse(s, CultureInfo.InvariantCulture);
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}
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catch (Exception ex)
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{
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// do nothing if something went wrong
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Console.WriteLine("[ReadPropertyDouble] got invalid value = \"" + o[propertyindex].ToString() + "\": " + ex.ToString());
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}
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return d;
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}
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private bool ReadPropertyBool(dynamic o, int propertyindex)
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{
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bool b = false;
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try
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{
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string s = o[propertyindex].ToString();
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b = s.ToLower() == "true";
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}
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catch (Exception ex)
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{
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// do nothing if something went wrong
|
|
Console.WriteLine("[ReadPropertyBool]: " + ex.ToString());
|
|
}
|
|
return b;
|
|
}
|
|
|
|
}
|
|
|
|
public static class UnitConverter
|
|
{
|
|
public static double ft_m(double feet)
|
|
{
|
|
return feet / 3.28084;
|
|
}
|
|
|
|
public static double m_ft(double m)
|
|
{
|
|
return m * 3.28084;
|
|
}
|
|
|
|
public static double kts_kmh(double kts)
|
|
{
|
|
return kts * 1.852;
|
|
}
|
|
|
|
public static double kmh_kts(double kmh)
|
|
{
|
|
return kmh / 1.852;
|
|
}
|
|
|
|
public static double ms_kts(double ms)
|
|
{
|
|
return ms * 3.6 / 1.852;
|
|
}
|
|
|
|
public static double km_mi(double km)
|
|
{
|
|
return km * 1.609;
|
|
}
|
|
|
|
public static double mi_km(double mi)
|
|
{
|
|
return mi / 1.609;
|
|
}
|
|
}
|
|
|
|
public class VarConverter : Dictionary<string, object>
|
|
{
|
|
public readonly char VarSeparator = '%';
|
|
|
|
public void AddVar(string var, object value)
|
|
{
|
|
// adds a new var<>value pair to dictionary
|
|
object o;
|
|
if (this.TryGetValue(var, out o))
|
|
{
|
|
// item found --> update value
|
|
o = value;
|
|
}
|
|
else
|
|
{
|
|
// item not found --> add new
|
|
this.Add(var, value);
|
|
}
|
|
}
|
|
|
|
public object GetValue(string var)
|
|
{
|
|
// finds a var in dictionary and returns its value
|
|
object o;
|
|
if (this.TryGetValue(var, out o))
|
|
{
|
|
// item found --> return value
|
|
return o;
|
|
}
|
|
// item not found --> return null
|
|
return null;
|
|
}
|
|
|
|
public string ReplaceAllVars(string s)
|
|
{
|
|
// check for var separotors first
|
|
if (s.Contains(VarSeparator))
|
|
{
|
|
// OK, string is containing vars --> crack the string first and replace vars
|
|
try
|
|
{
|
|
string[] a = s.Split(VarSeparator);
|
|
// as we are always using a pair of separators the length of a[] must be odd
|
|
if (a.Length % 2 == 0)
|
|
throw new ArgumentException("Number of separators is not an even number.");
|
|
// create new string and replace all vars (on odd indices)
|
|
s = "";
|
|
for (int i = 0; i < a.Length; i++)
|
|
{
|
|
if (i % 2 == 0)
|
|
{
|
|
// cannot be not a var on that position
|
|
s = s + a[i];
|
|
}
|
|
else
|
|
{
|
|
// var identifier: upper the string and try to convert
|
|
a[i] = a[i].ToUpper();
|
|
object o;
|
|
if (this.TryGetValue(a[i], out o))
|
|
{
|
|
// convert floating points with invariant culture info
|
|
if (o.GetType() == typeof(double))
|
|
s = s + ((double)o).ToString(CultureInfo.InvariantCulture);
|
|
else if (o.GetType() == typeof(float))
|
|
s = s + ((float)o).ToString(CultureInfo.InvariantCulture);
|
|
else
|
|
s = s + o.ToString();
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentException("Var identifier not found: " + a[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
// throw an excecption
|
|
throw new ArgumentException("Error while parsing string for variables [" + ex.Message + "]: " + s);
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
}
|
|
|
|
}
|