SharpMap/SharpMap.Layers.BruTile/Utilities/Utility.cs at develop · SharpMap/SharpMap · GitHub

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using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Reflection;

using System.Runtime.Serialization;

using BruTile;

using BruTile.Cache;

using BruTile.Predefined;

using BruTile.Tms;

using BruTile.Web;

using BruTile.Wmsc;

using BruTile.Wmts;

using SharpMap.Utilities.Cache;

using SharpMap.Utilities.Predefined;

using SharpMap.Utilities.Web;

using SharpMap.Utilities.Wmts;

using SharpMap.Utilities.Wmts.Generated;

namespace SharpMap.Utilities

{

/// <summary>

/// Utility class for reflection on BruTile classes

/// </summary>

public static class Utility

{

internal const BindingFlags PrivateInstance = BindingFlags.NonPublic | BindingFlags.Instance;

internal static void SetFieldValue<T>(ref object obj, string fieldName,

BindingFlags bindingFlags = PrivateInstance, T newValue = default)

{

var type = obj.GetType();

var field = SearchField(type, fieldName, bindingFlags);

var setObj = (bindingFlags & BindingFlags.Static) == BindingFlags.Static ? null : obj;

if (field != null)

field.SetValue(setObj, newValue);

else

System.Diagnostics.Trace.WriteLine(obj,

string.Format("could not get '{0}' from '{1}'", fieldName,

obj.GetType()));

}

internal static T GetFieldValue<T>(object obj, string fieldName, BindingFlags bindingFlags = PrivateInstance,

T defaultValue = default)

{

var type = obj.GetType();

var field = SearchField(type, fieldName, bindingFlags);

if (field != null)

return (T) field.GetValue(obj);

System.Diagnostics.Trace.WriteLine(obj,

string.Format("could not get '{0}' from '{1}'", fieldName, obj.GetType()));

return defaultValue;

}

internal static FieldInfo SearchField(Type type, string name, BindingFlags bindingFlags)

{

var ex = CheckBindingFlags(bindingFlags);

if (ex != null) throw ex;

while (type != null)

{

var fi = type.GetField(name, bindingFlags);

if (fi != null)

return fi;

type = type.BaseType;

}

return null;

}

internal static PropertyInfo SearchProperty(Type type, string name, BindingFlags bindingFlags, bool set = false)

{

var ex = CheckBindingFlags(bindingFlags);

if (ex != null) throw ex;

while (type != null)

{

var fi = type.GetProperty(name, bindingFlags);

if (fi != null)

{

if (set && !fi.CanWrite) fi = null;

if (fi != null) return fi;

}

type = type.BaseType;

}

return null;

}

private static Exception CheckBindingFlags(BindingFlags bindingFlags)

{

if ((bindingFlags & (BindingFlags.Public | BindingFlags.NonPublic)) == BindingFlags.Default)

return new ArgumentException("Binding flags need to specify Public or NonPublic");

if ((bindingFlags & (BindingFlags.Static | BindingFlags.Instance)) == BindingFlags.Default)

return new ArgumentException("Binding flags need to specify Static or Instance");

return null;

}

internal static void SetPropertyValue<T>(ref object obj, string propertyName,

BindingFlags bindingFlags = PrivateInstance, T newValue = default)

{

var type = obj.GetType();

var property = SearchProperty(type, propertyName, bindingFlags, true);

var setObj = (bindingFlags & BindingFlags.Static) == BindingFlags.Static ? null : obj;

if (property != null)

property.SetValue(setObj, newValue, null);

else

System.Diagnostics.Trace.WriteLine(obj,

string.Format("could not get '{0}' from '{1}'", propertyName,

obj.GetType()));

}

internal static T GetPropertyValue<T>(object obj, string propertyName,

BindingFlags bindingFlags = PrivateInstance, T newValue = default)

{

var type = obj.GetType();

var property = SearchProperty(type, propertyName, bindingFlags);

if (property != null)

return (T) property.GetValue(obj, null);

System.Diagnostics.Trace.WriteLine(obj,

string.Format("could not get '{0}' from '{1}'", propertyName,

obj.GetType()));

return newValue;

}

/// <summary>

/// Adds required surrogates to <paramref name="formatter"/> to (de-) serialize BruTile objects.

/// </summary>

/// <param name="formatter">A formatter</param>

public static void AddBruTileSurrogates(this IFormatter formatter)

{

var ss = new SurrogateSelector();

// Base types

ss.AddSurrogate(typeof (Extent), new StreamingContext(StreamingContextStates.All), new ExtentSurrogate());

ss.AddSurrogate(typeof (Resolution), new StreamingContext(StreamingContextStates.All),

new ResolutionSurrogate());

ss.AddSurrogate(typeof (TileSchema), new StreamingContext(StreamingContextStates.All),

new TileSchemaSurrogate());

// Caches

ss.AddSurrogate(typeof (NullCache), new StreamingContext(StreamingContextStates.All),

new NullCacheSurrogate());

ss.AddSurrogate(typeof (MemoryCache<byte[]>), new StreamingContext(StreamingContextStates.All),

new MemoryCacheSurrogate<byte[]>());

ss.AddSurrogate(typeof (MemoryCache<System.Drawing.Bitmap>),

new StreamingContext(StreamingContextStates.All),

new MemoryCacheSurrogate<System.Drawing.Bitmap>());

ss.AddSurrogate(typeof(FileCache),

new StreamingContext(StreamingContextStates.All),

new FileCacheSurrogate());

// Predefined

var tss1 = new TileSchemaSurrogate();

ss.AddSurrogate(typeof (GlobalMercator), new StreamingContext(StreamingContextStates.All), tss1);

ss.AddSurrogate(typeof(GlobalSphericalMercator), new StreamingContext(StreamingContextStates.All), tss1);

//ss.AddSurrogate(typeof(SphericalMercatorWorldSchema), new StreamingContext(StreamingContextStates.All), tss1);

//ss.AddSurrogate(typeof (SphericalMercatorInvertedWorldSchema),

// new StreamingContext(StreamingContextStates.All),tss1);

//ss.AddSurrogate(typeof (BingSchema), new StreamingContext(StreamingContextStates.All), tss1);

ss.AddSurrogate(typeof (WkstNederlandSchema), new StreamingContext(StreamingContextStates.All), tss1);

ss.AddSurrogate(typeof (WmtsTileSchema), new StreamingContext(StreamingContextStates.All),

new WmtsTileSchemaSurrogate());

//Web

var tss2 = new TileSourceSurrogate();

ss.AddSurrogate(typeof(TileSource), new StreamingContext(StreamingContextStates.All), tss2);

ss.AddSurrogate(typeof (ArcGisTileRequest), new StreamingContext(StreamingContextStates.All),

new ArcGisTileRequestSurrogate());

ss.AddSurrogate(typeof (ArcGisTileSource), new StreamingContext(StreamingContextStates.All),

new ArcGisTileSourceSurrogate());

ss.AddSurrogate(typeof (BasicRequest), new StreamingContext(StreamingContextStates.All),

new BasicRequestSurrogate());

ss.AddSurrogate(typeof(TmsRequest), new StreamingContext(StreamingContextStates.All),

new TmsRequestSurrogate());

ss.AddSurrogate(typeof (TmsTileSource), new StreamingContext(StreamingContextStates.All), tss2);

ss.AddSurrogate(typeof (HttpTileProvider), new StreamingContext(StreamingContextStates.All),

new HttpTileProviderSurrogate());

ss.AddSurrogate(typeof(WmscTileSource), new StreamingContext(StreamingContextStates.All), tss2);

ss.AddSurrogate(typeof(WmscRequest), new StreamingContext(StreamingContextStates.All),

new WmscRequestSurrogate());

ss.AddSurrogate(typeof(HttpTileSource), new StreamingContext(StreamingContextStates.All),

new HttpTileSourceSurrogate());

//Wmts

ss.AddSurrogate(typeof(ResourceUrl), new StreamingContext(StreamingContextStates.All), new ResourceUrlSurrogate());

ss.AddSurrogate(typeof(WmtsRequest), new StreamingContext(StreamingContextStates.All), new WmtsRequestSurrogate());

if (formatter.SurrogateSelector != null)

formatter.SurrogateSelector.ChainSelector(ss);

else

formatter.SurrogateSelector = ss;

}

/// <summary>

/// Serializes a <see cref="IList{T}"/> to <paramref name="info"/>

/// </summary>

/// <typeparam name="T">The type of the items in the list</typeparam>

/// <param name="obj">The list</param>

/// <param name="info">A streaming info</param>

/// <param name="context">A serialization context</param>

/// <param name="baseFieldName">A base field name</param>

public static void GetList<T>(IList<T> obj, SerializationInfo info, StreamingContext context,

string baseFieldName)

{

info.AddValue(baseFieldName + "IsNull", obj==null);

if (obj == null) return;

info.AddValue(baseFieldName + "Type", obj.GetType());

info.AddValue(baseFieldName + "Count", obj.Count);

for (int i = 0; i < obj.Count; i++)

{

info.AddValue(baseFieldName + i, obj[i]);

}

/// <summary>

/// Deserializes a <see cref="IList{T}"/> from <paramref name="info"/>

/// </summary>

/// <typeparam name="T">The type of the items in the list</typeparam>

/// <param name="info">A streaming info</param>

/// <param name="context">A serialization context</param>

/// <param name="baseFieldName">A base field name</param>

public static IList<T> SetList<T>(SerializationInfo info, StreamingContext context, string baseFieldName)

{

if (info.GetBoolean(baseFieldName + "IsNull"))

return null;

var type = (Type)info.GetValue(baseFieldName + "Type", typeof(Type));

var instance = (IList<T>)Activator.CreateInstance(type);

var count = info.GetInt32(baseFieldName + "Count");

for (int i = 0; i < count; i++)

instance.Add((T)info.GetValue(baseFieldName + i, typeof(T)));

return instance;

}

/// <summary>

/// Serializes a <see cref="IDictionary{TKey,TValue}"/> to <paramref name="info"/>

/// </summary>

/// <typeparam name="TKey">The type of the key items in the dictionary</typeparam>

/// <typeparam name="TValue">The type of the value items in the dictionary</typeparam>

/// <param name="obj">The list</param>

/// <param name="info">A streaming info</param>

/// <param name="context">A serialization context</param>

/// <param name="baseFieldName">A base field name</param>

public static void GetDictionary<TKey, TValue>(IDictionary<TKey, TValue> obj, SerializationInfo info, StreamingContext context,

string baseFieldName)

{

info.AddValue(baseFieldName + "IsNull", obj == null);

if (obj == null) return;

info.AddValue(baseFieldName + "Type", obj.GetType());

info.AddValue(baseFieldName + "Count", obj.Count);

var i = 0;

foreach (var kvp in obj)

{

info.AddValue(baseFieldName + "Key" + i, kvp.Key);

info.AddValue(baseFieldName + "Value" + i++, kvp.Value);

}

/// <summary>

/// Deserializes a <see cref="IDictionary{TKey,TValue}"/> from <paramref name="info"/>

/// </summary>

/// <typeparam name="TKey">The type of the key items in the dictionary</typeparam>

/// <typeparam name="TValue">The type of the value items in the dictionary</typeparam>

/// <param name="info">A streaming info</param>

/// <param name="context">A serialization context</param>

/// <param name="baseFieldName">A base field name</param>

public static IDictionary<TKey, TValue> SetDictionary<TKey, TValue>(SerializationInfo info, StreamingContext context, string baseFieldName)

{

if (info.GetBoolean(baseFieldName + "IsNull"))

return null;

var type = (Type)info.GetValue(baseFieldName + "Type", typeof(Type));

var instance = (IDictionary<TKey, TValue>)Activator.CreateInstance(type);

var count = info.GetInt32(baseFieldName + "Count");

for (var i = 0; i < count; i++)

{

var key = (TKey) info.GetValue(baseFieldName + "Key" + i, typeof (TKey));

var value = (TValue)info.GetValue(baseFieldName + "Value" + i, typeof(TValue));

instance.Add(key, value);

}

return instance;

}

SharpMap/SharpMap.Layers.BruTile/Utilities/Utility.cs at develop · SharpMap/SharpMap · GitHub

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