Changeset 12694 for branches/HeuristicLab.Problems.Orienteering/HeuristicLab.Problems.Instances.TSPLIB/3.3/TSPLIBInstanceProvider.cs

Timestamp:

07/09/15 13:07:30 (9 years ago)

Author:

abeham

Message:

#2208: merged trunk changes

Location:

branches/HeuristicLab.Problems.Orienteering

Files:

• . (modified) (2 props)
• HeuristicLab.Problems.Instances.TSPLIB/3.3/TSPLIBInstanceProvider.cs (modified) (7 diffs)

branches/HeuristicLab.Problems.Orienteering/HeuristicLab.Problems.Instances.TSPLIB/3.3/TSPLIBInstanceProvider.cs

@@ -1 +1 @@
 #region License Information
 /* HeuristicLab
- * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
  *
  * This file is part of HeuristicLab.
@@ -23 +23 @@
 using System.Collections.Generic;
 using System.IO;
+using System.IO.Compression;
 using System.Linq;
 using System.Reflection;
 using System.Text.RegularExpressions;
-using ICSharpCode.SharpZipLib.Zip;
 
 namespace HeuristicLab.Problems.Instances.TSPLIB {
@@ -52 +52 @@
       var solutionsArchiveName = GetResourceName(FileExtension + @"\.opt\.tour\.zip");
       if (!String.IsNullOrEmpty(solutionsArchiveName)) {
-        using (var solutionsZipFile = new ZipInputStream(GetType().Assembly.GetManifestResourceStream(solutionsArchiveName))) {
-          foreach (var entry in GetZipContents(solutionsZipFile))
-            solutions.Add(entry.Substring(0, entry.Length - ".opt.tour".Length) + "." + FileExtension, entry);
+        using (var solutionsZipFile = new ZipArchive(GetType().Assembly.GetManifestResourceStream(solutionsArchiveName), ZipArchiveMode.Read)) {
+          foreach (var entry in solutionsZipFile.Entries)
+            solutions.Add(entry.Name.Substring(0, entry.Name.Length - ".opt.tour".Length) + "." + FileExtension, entry.Name);
         }
       }
@@ -60 +60 @@
       if (String.IsNullOrEmpty(instanceArchiveName)) yield break;
 
-      using (var instanceStream = new ZipInputStream(GetType().Assembly.GetManifestResourceStream(instanceArchiveName))) {
-        foreach (var entry in GetZipContents(instanceStream).OrderBy(x => x)) {
+      using (var instanceStream = new ZipArchive(GetType().Assembly.GetManifestResourceStream(instanceArchiveName), ZipArchiveMode.Read)) {
+        foreach (var entry in instanceStream.Entries.Select(x => x.Name).OrderBy(x => x)) {
           yield return new TSPLIBDataDescriptor(Path.GetFileNameWithoutExtension(entry), GetInstanceDescription(), entry, solutions.ContainsKey(entry) ? solutions[entry] : String.Empty);
         }
@@ -70 +70 @@
       var descriptor = (TSPLIBDataDescriptor)id;
       var instanceArchiveName = GetResourceName(FileExtension + @"\.zip");
-      using (var instancesZipFile = new ZipFile(GetType().Assembly.GetManifestResourceStream(instanceArchiveName))) {
+      using (var instancesZipFile = new ZipArchive(GetType().Assembly.GetManifestResourceStream(instanceArchiveName), ZipArchiveMode.Read)) {
         var entry = instancesZipFile.GetEntry(descriptor.InstanceIdentifier);
-        var stream = instancesZipFile.GetInputStream(entry);
+        var stream = entry.Open();
         var parser = new TSPLIBParser(stream);
         var instance = LoadInstance(parser);
@@ -78 +78 @@
         if (!String.IsNullOrEmpty(descriptor.SolutionIdentifier)) {
           var solutionsArchiveName = GetResourceName(FileExtension + @"\.opt\.tour\.zip");
-          using (var solutionsZipFile = new ZipFile(GetType().Assembly.GetManifestResourceStream(solutionsArchiveName))) {
+          using (var solutionsZipFile = new ZipArchive(GetType().Assembly.GetManifestResourceStream(solutionsArchiveName), ZipArchiveMode.Read)) {
             entry = solutionsZipFile.GetEntry(descriptor.SolutionIdentifier);
-            stream = solutionsZipFile.GetInputStream(entry);
+            stream = entry.Open();
             parser = new TSPLIBParser(stream);
             LoadSolution(parser, instance);
@@ -105 +105 @@
       return "Embedded instance of plugin version " + Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyFileVersionAttribute), true).Cast<AssemblyFileVersionAttribute>().First().Version + ".";
     }
-
-    protected IEnumerable<string> GetZipContents(ZipInputStream zipFile) {
-      ZipEntry entry;
-      while ((entry = zipFile.GetNextEntry()) != null) {
-        yield return entry.Name;
-      }
-    }
   }
 }