Compress the data files

Completes #36
mattjohnsonpint · Jun 14, 2019 · 98f6e8f · 98f6e8f
1 parent 5cc2dd4
commit 98f6e8f
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Showing 4 changed files with 14 additions and 7 deletions.
diff --git a/src/GeoTimeZone.DataBuilder/TimeZoneDataBuilder.cs b/src/GeoTimeZone.DataBuilder/TimeZoneDataBuilder.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.IO;
+using System.IO.Compression;
 using System.Linq;
 using NetTopologySuite.Geometries;
 
@@ -12,16 +13,17 @@ public static class TimeZoneDataBuilder
         private static readonly Dictionary<string, TimeZoneMeta> TimeZones = new Dictionary<string, TimeZoneMeta>();
 
 
-        private const string DataFileName = "TZ.dat";
-        private const string LookupFileName = "TZL.dat";
+        private const string DataFileName = "TZ.dat.gz";
+        private const string LookupFileName = "TZL.dat.gz";
 
         private static void WriteLookup(string outputPath)
         {
 
             var path = Path.Combine(outputPath, LookupFileName);
 
             using (var fileStream = File.Create(path))
-            using (var writer = new StreamWriter(fileStream))
+            using (var compressedStream = new GZipStream(fileStream, CompressionMode.Compress))
+            using (var writer = new StreamWriter(compressedStream))
             {
                 writer.NewLine = "\n";
                 var timeZones = TimeZones.Values.OrderBy(x => x.LineNumber);
@@ -37,7 +39,8 @@ private static void WriteGeohashDataFile(string outputPath)
             var path = Path.Combine(outputPath, DataFileName);
 
             using (var fileStream = File.Create(path))
-            using (var writer = new StreamWriter(fileStream))
+            using (var compressedStream = new GZipStream(fileStream, CompressionMode.Compress))
+            using (var writer = new StreamWriter(compressedStream))
             {
                 writer.NewLine = "\n";
                 WriteTreeNode(writer, WorldBoundsTreeNode);

diff --git a/src/GeoTimeZone/GeoTimeZone.csproj b/src/GeoTimeZone/GeoTimeZone.csproj
@@ -25,7 +25,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <EmbeddedResource Include="TZ.dat;TZL.dat" />
+    <EmbeddedResource Include="TZ.dat.gz;TZL.dat.gz" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.1' ">

diff --git a/src/GeoTimeZone/TimeZoneLookup.cs b/src/GeoTimeZone/TimeZoneLookup.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.IO.Compression;
 using System.Linq;
 
 #if NETSTANDARD1_1
@@ -132,7 +133,8 @@ private static IList<string> LoadLookupData()
             var assembly = typeof(TimeZoneLookup).Assembly;
 #endif
 
-            using (var stream = assembly.GetManifestResourceStream("GeoTimeZone.TZL.dat"))
+            using (var compressedStream = assembly.GetManifestResourceStream("GeoTimeZone.TZL.dat.gz"))
+            using (var stream = new GZipStream(compressedStream, CompressionMode.Decompress))
             {
                 if (stream == null)
                     throw new InvalidOperationException();

diff --git a/src/GeoTimeZone/TimezoneFileReader.cs b/src/GeoTimeZone/TimezoneFileReader.cs
@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.IO.Compression;
 using System.Text;
 
 #if NETSTANDARD1_1
@@ -27,7 +28,8 @@ private static MemoryStream LoadData()
             var assembly = typeof(TimezoneFileReader).Assembly;
 #endif
 
-            using (var stream = assembly.GetManifestResourceStream("GeoTimeZone.TZ.dat"))
+            using (var compressedStream = assembly.GetManifestResourceStream("GeoTimeZone.TZ.dat.gz"))
+            using (var stream = new GZipStream(compressedStream, CompressionMode.Decompress))
             {
                 if (stream == null)
                     throw new InvalidOperationException();