* WindowsBase/WindowsBase.dll.sources:
[mono.git] / mcs / class / WindowsBase / System.IO.Packaging / PackageProperties.cs
1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
8 // 
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
11 // 
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19 //
20 // Copyright (c) 2007 Novell, Inc. (http://www.novell.com)
21 //
22 // Authors:
23 //  Chris Toshok (toshok@ximian.com)
24 //  Alan McGovern (amcgovern@novell.com)
25 //
26
27 using System;
28 using System.Xml;
29
30 namespace System.IO.Packaging {
31
32         public abstract class PackageProperties : IDisposable
33         {
34                 internal const string NSPackageProperties = "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties";
35                 internal const string PackagePropertiesContentType = "application/vnd.openxmlformats-package.core-properties+xml";
36
37
38                 static int uuid;
39                 
40                 protected PackageProperties ()
41                 {
42                         
43                 }
44
45                 public abstract string Category { get; set; }
46                 public abstract string ContentStatus { get; set; }
47                 public abstract string ContentType { get; set; }
48                 public abstract DateTime? Created { get; set; }
49                 public abstract string Creator { get; set; }
50                 public abstract string Description { get; set; }
51                 public abstract string Identifier { get; set; }
52                 public abstract string Keywords { get; set; }
53                 public abstract string Language { get; set; }
54                 public abstract string LastModifiedBy { get; set; }
55                 public abstract DateTime? LastPrinted { get; set; }
56                 public abstract DateTime? Modified { get; set; }
57                 internal Package Package { get; set; }
58                 internal PackagePart Part { get; set; }
59                 public abstract string Revision { get; set; }
60                 public abstract string Subject { get; set; }
61                 public abstract string Title { get; set; }
62                 public abstract string Version { get; set; }
63                                 
64                 
65                 public void Dispose ()
66                 {
67                         Dispose (true);
68                 }
69
70                 protected virtual void Dispose (bool disposing)
71                 {
72                         // Nothing
73                 }
74
75                 internal void Flush ()
76                 {
77                         if (Part == null)
78                         {
79                                 int id = System.Threading.Interlocked.Increment (ref uuid);
80                                 Uri uri = new Uri (string.Format ("/package/services/metadata/core-properties/{0}.psmdcp", id), UriKind.Relative);
81                                 Part = Package.CreatePart (uri, PackagePropertiesContentType);
82                                 PackageRelationship rel = Package.CreateRelationship (uri, TargetMode.Internal, NSPackageProperties);
83                         }
84                         
85                         using (Stream s = Part.GetStream ()) {
86                                 s.SetLength (0);
87                                 
88                                 using (XmlTextWriter writer = new XmlTextWriter (s, System.Text.Encoding.UTF8))
89                                         WriteTo (writer);
90                         }
91                 }
92                 
93                 internal virtual void LoadFrom (Stream stream)
94                 {
95
96                 }
97
98                 internal virtual void WriteTo (XmlTextWriter writer)
99                 {
100                         
101                 }
102         }
103 }