Changeset 17105 for stable/HeuristicLab.Persistence/3.3/Default/Xml/XmlParser.cs

Timestamp:

07/08/19 00:23:12 (5 years ago)

Author:

mkommend

Message:

#2520: Merged 16584, 16585,16594,16595, 16625, 16658, 16659, 16672, 16707, 16729, 16792, 16796, 16797, 16799, 16819, 16906, 16907, 16908, 16933, 16945, 16992, 16994, 16995, 16996, 16997, 17014, 17015, 17017, 17020, 17021, 17022, 17023, 17024, 17029, 17086, 17087, 17088, 17089 into stable.

Location:

stable

Files:

• . (modified) (1 prop)
• HeuristicLab.Persistence (modified) (1 prop)
• HeuristicLab.Persistence/3.3/Default/Xml/XmlParser.cs (modified) (1 diff)

stable/HeuristicLab.Persistence/3.3/Default/Xml/XmlParser.cs

@@ -288 +288 @@
       }
     }
+
+    /// <summary>
+    /// Checks if the given file can be opened as <see cref="ZipArchive" />.
+    /// </summary>
+    /// <param name="filename">The filename.</param>
+    /// <returns><see langword="true" /> if the file can be opened as <see cref="ZipArchive" />; otherwise, <see langword="false" />.</returns>
+    public static bool CanOpen(string filename) {
+      try {
+        using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read)) {
+          using (ZipArchive zip = new ZipArchive(fs)) {
+            return true;
+          }
+        }
+      } catch (InvalidDataException) {
+        return false;
+      }
+    }
   }
 }