Avoid unnecessary allocation on indexer access
[mono.git] / mcs / class / System / System.ComponentModel / LicFileLicenseProvider.cs
index d69e2a1e4ad3ceef6d997d511de1eb76249b0a8d..7cb819780034949846f1710c010a33a5547a9442 100644 (file)
@@ -4,11 +4,35 @@
 // Authors:
 //   Martin Willemoes Hansen (mwh@sysrq.dk)
 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
+//   Lluis Sanchez Gual (lluis@ximian.com)
 //
 // (C) 2003 Martin Willemoes Hansen
 // (C) 2003 Andreas Nahr
 //
 
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System.IO;
+
 namespace System.ComponentModel
 {
        public class LicFileLicenseProvider : LicenseProvider
@@ -18,13 +42,33 @@ namespace System.ComponentModel
                {
                }
 
-               [MonoTODO]
                public override License GetLicense (LicenseContext context,
                                                    Type type,
                                                    object instance,
                                                    bool allowExceptions)
                {
-                       throw new NotImplementedException();
+                       try
+                       {
+                               if (context == null || context.UsageMode != LicenseUsageMode.Designtime)
+                                       return null;
+                       
+                               string path = Path.GetDirectoryName (type.Assembly.Location);
+                               path = Path.Combine (path, type.FullName + ".LIC");
+                       
+                               if (!File.Exists (path)) return null;
+                       
+                               StreamReader sr = new StreamReader (path);
+                               string key = sr.ReadLine ();
+                               sr.Close ();
+                               
+                               if (IsKeyValid (key, type))
+                                       return new LicFileLicense (key);
+                       }
+                       catch
+                       {
+                               if (allowExceptions) throw;
+                       }
+                       return null;
                }
 
                protected virtual string GetKey (Type type)
@@ -39,4 +83,23 @@ namespace System.ComponentModel
                        return key.Equals (GetKey (type));
                }
        }
+       
+       internal class LicFileLicense: License
+       {
+               string _key;
+               
+               public LicFileLicense (string key)
+               {
+                       _key = key;
+               }
+               
+               public override string LicenseKey
+               {
+                       get { return _key; }
+               }
+               
+               public override void Dispose ()
+               {
+               }
+       }
 }