class/WindowsBase/System.IO.Packaging/PackagePropertiesPart.cs

   1 // PackagePropertiesPart.cs created with MonoDevelop
   2 // User: alan at 11:07 04/11/2008
   3 //
   4 // To change standard headers go to Edit->Preferences->Coding->Standard Headers
   5 //
   6
   7 using System;
   8 using System.Xml;
   9
  10 namespace System.IO.Packaging
  11 {
  12         class PackagePropertiesPart : PackageProperties
  13         {
  14                 const string NSDc = "http://purl.org/dc/elements/1.1/";
  15                 const string NSDcTerms = "http://purl.org/dc/terms/";
  16                 const string NSXsi = "http://www.w3.org/2001/XMLSchema-instance";
  17
  18                 string category;
  19                 string contentStatus;
  20                 string contentType;
  21                 DateTime? created;
  22                 string creator;
  23                 string description;
  24                 string identifier;
  25                 string keywords;
  26                 string language;
  27                 string lastModifiedBy;
  28                 DateTime? lastPrinted;
  29                 DateTime? modified;
  30                 string revision;
  31                 string subject;
  32                 string title;
  33                 string version;
  34
  35                 public PackagePropertiesPart ()
  36                 {
  37
  38                 }
  39
  40                 public override string Category {
  41                         get {
  42                                 return category;
  43                         }
  44                         set {
  45                                 Package.CheckIsReadOnly ();
  46                                 category = value;
  47                         }
  48                 }
  49                 public override string ContentStatus {
  50                         get {
  51                                 return contentStatus;
  52                         }
  53                         set {
  54                                 Package.CheckIsReadOnly ();
  55                                 contentStatus = value;
  56                         }
  57                 }
  58                 public override string ContentType {
  59                         get {
  60                                 return contentType;
  61                         }
  62                         set {
  63                                 Package.CheckIsReadOnly ();
  64                                 contentType = value;
  65                         }
  66                 }
  67                 public override DateTime? Created {
  68                         get {
  69                                 return created;
  70                         }
  71                         set {
  72                                 Package.CheckIsReadOnly ();
  73                                 created = value;
  74                         }
  75                 }
  76                 public override string Creator {
  77                         get {
  78                                 return creator;
  79                         }
  80                         set {
  81                                 Package.CheckIsReadOnly ();
  82                                 creator = value;
  83                         }
  84                 }
  85                 public override string Description {
  86                         get {
  87                                 return description;
  88                         }
  89                         set {
  90                                 Package.CheckIsReadOnly ();
  91                                 description = value;
  92                         }
  93                 }
  94                 public override string Identifier {
  95                         get {
  96                                 return identifier;
  97                         }
  98                         set {
  99                                 Package.CheckIsReadOnly ();
 100                                 identifier = value;
 101                         }
 102                 }
 103                 public override string Keywords {
 104                         get {
 105                                 return keywords;
 106                         }
 107                         set {
 108                                 Package.CheckIsReadOnly ();
 109                                 keywords = value;
 110                         }
 111                 }
 112                 public override string Language {
 113                         get {
 114                                 return language;
 115                         }
 116                         set {
 117                                 Package.CheckIsReadOnly ();
 118                                 language = value;
 119                         }
 120                 }
 121                 public override string LastModifiedBy {
 122                         get {
 123                                 return lastModifiedBy;
 124                         }
 125                         set {
 126                                 Package.CheckIsReadOnly ();
 127                                 lastModifiedBy = value;
 128                         }
 129                 }
 130                 public override DateTime? LastPrinted {
 131                         get {
 132                                 return lastPrinted;
 133                         }
 134                         set {
 135                                 Package.CheckIsReadOnly ();
 136                                 lastPrinted = value;
 137                         }
 138                 }
 139                 public override DateTime? Modified {
 140                         get {
 141                                 return modified;
 142                         }
 143                         set {
 144                                 Package.CheckIsReadOnly ();
 145                                 modified = value;
 146                         }
 147                 }
 148                 public override string Revision {
 149                         get {
 150                                 return revision;
 151                         }
 152                         set {
 153                                 Package.CheckIsReadOnly ();
 154                                 revision = value;
 155                         }
 156                 }
 157                 public override string Subject {
 158                         get {
 159                                 return subject;
 160                         }
 161                         set {
 162                                 Package.CheckIsReadOnly ();
 163                                 subject = value;
 164                         }
 165                 }
 166                 public override string Title {
 167                         get {
 168                                 return title;
 169                         }
 170                         set {
 171                                 Package.CheckIsReadOnly ();
 172                                 title = value;
 173                         }
 174                 }
 175                 public override string Version {
 176                         get {
 177                                 return version;
 178                         }
 179                         set {
 180                                 Package.CheckIsReadOnly ();
 181                                 version = value;
 182                         }
 183                 }
 184
 185                 internal override void LoadFrom (Stream stream)
 186                 {
 187                         if (stream.Length == 0)
 188                                 return;
 189
 190                         XmlDocument doc = new XmlDocument ();
 191                         doc.Load (stream);
 192
 193                         XmlNamespaceManager manager = new XmlNamespaceManager (doc.NameTable);
 194                         manager.AddNamespace ("prop", NSPackageProperties);
 195                         manager.AddNamespace ("dc", NSDc);
 196                         manager.AddNamespace ("dcterms", NSDcTerms);
 197                         manager.AddNamespace ("xsi", NSXsi);
 198
 199                         XmlNode node;
 200                         if ((node = doc.SelectSingleNode ("prop:coreProperties/prop:category", manager)) != null)
 201                                 category = node.InnerXml;
 202             if ((node = doc.SelectSingleNode ("prop:coreProperties/prop:contentStatus", manager)) != null)
 203                                 contentStatus = node.InnerXml;
 204             if ((node = doc.SelectSingleNode ("prop:coreProperties/prop:contentType", manager)) != null)
 205                                 contentType = node.InnerXml;
 206                         if ((node = doc.SelectSingleNode ("prop:coreProperties/dcterms:created", manager)) != null)
 207                                 created = DateTime.Parse (node.InnerXml);
 208             if ((node = doc.SelectSingleNode ("prop:coreProperties/dc:creator", manager)) != null)
 209                                 creator = node.InnerXml;
 210             if ((node = doc.SelectSingleNode ("prop:coreProperties/dc:description", manager)) != null)
 211                                 description = node.InnerXml;
 212                         if ((node = doc.SelectSingleNode ("prop:coreProperties/dc:identifier", manager)) != null)
 213                                 identifier = node.InnerXml;
 214             if ((node = doc.SelectSingleNode ("prop:coreProperties/prop:keywords", manager)) != null)
 215                                 keywords = node.InnerXml;
 216             if ((node = doc.SelectSingleNode ("prop:coreProperties/dc:language", manager)) != null)
 217                                 language = node.InnerXml;
 218             if ((node = doc.SelectSingleNode ("prop:coreProperties/prop:lastModifiedBy", manager)) != null)
 219                                 lastModifiedBy = node.InnerXml;
 220             if ((node = doc.SelectSingleNode ("prop:coreProperties/prop:lastPrinted", manager)) != null)
 221                                 lastPrinted = DateTime.Parse (node.InnerXml);
 222             if ((node = doc.SelectSingleNode ("prop:coreProperties/dcterms:modified", manager)) != null)
 223                                 modified = DateTime.Parse (node.InnerXml);
 224             if ((node = doc.SelectSingleNode ("prop:coreProperties/prop:revision", manager)) != null)
 225                                 revision = node.InnerXml;
 226             if ((node = doc.SelectSingleNode ("prop:coreProperties/dc:subject", manager)) != null)
 227                                 subject = node.InnerXml;
 228             if ((node = doc.SelectSingleNode ("prop:coreProperties/dc:title", manager)) != null)
 229                                 title = node.InnerXml;
 230             if ((node = doc.SelectSingleNode ("prop:coreProperties/prop:version", manager)) != null)
 231                                 version = node.InnerXml;
 232                 }
 233
 234                 internal override void WriteTo(XmlTextWriter writer)
 235                 {
 236                         XmlDocument doc = new XmlDocument ();
 237                         XmlNamespaceManager manager = new XmlNamespaceManager (doc.NameTable);
 238                         manager.AddNamespace ("prop", NSPackageProperties);
 239                         manager.AddNamespace ("dc", NSDc);
 240                         manager.AddNamespace ("dcterms", NSDcTerms);
 241                         manager.AddNamespace ("xsi", NSXsi);
 242
 243                         // Create XML declaration
 244                         doc.AppendChild (doc.CreateXmlDeclaration ("1.0", "UTF-8", null));
 245
 246                         // Create root node with required namespace declarations
 247                         XmlNode coreProperties = doc.AppendChild (doc.CreateNode (XmlNodeType.Element, "coreProperties", NSPackageProperties));
 248                         coreProperties.Attributes.Append (doc.CreateAttribute ("xmlns:dc")).Value = NSDc;
 249                         coreProperties.Attributes.Append (doc.CreateAttribute ("xmlns:dcterms")).Value = NSDcTerms;
 250                         coreProperties.Attributes.Append (doc.CreateAttribute ("xmlns:xsi")).Value = NSXsi;
 251
 252                         // Create the children
 253                         if (Category != null)
 254                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "category", NSPackageProperties)).InnerXml = Category;
 255                         if (ContentStatus != null)
 256                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "contentStatus", NSPackageProperties)).InnerXml = ContentStatus;
 257                         if (ContentType != null)
 258                         coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "contentType", NSPackageProperties)).InnerXml = ContentType;
 259                         if (Created.HasValue)
 260                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "dcterms", "created", NSDcTerms)).InnerXml = Created.Value.ToString ();
 261                         if (Creator != null)
 262                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "dc", "creator", NSDc)).InnerXml = Creator;
 263                         if (Description != null)
 264                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "dc", "description", NSDc)).InnerXml = Description;
 265                         if (Identifier != null)
 266                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "dc", "identifier", NSDc)).InnerXml = Identifier;
 267                         if (Keywords != null)
 268                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "keywords", NSPackageProperties)).InnerXml = Keywords;
 269                         if (Language != null)
 270                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "dc", "language", NSDc)).InnerXml = Language;
 271                         if (LastModifiedBy != null)
 272                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "lastModifiedBy", NSPackageProperties)).InnerXml = LastModifiedBy;
 273                         if (LastPrinted.HasValue)
 274                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "lastPrinted", NSPackageProperties)).InnerXml = LastPrinted.Value.ToString ();
 275                         if (Revision != null)
 276                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "revision", NSPackageProperties)).InnerXml = Revision;
 277                         if (Subject != null)
 278                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "dc", "subject", NSDc)).InnerXml = Subject;
 279                         if (Title != null)
 280                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "dc", "title", NSDc)).InnerXml = Title;
 281                         if (Version != null)
 282                                 coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "version", NSPackageProperties)).InnerXml = Version;
 283
 284                         if (Modified.HasValue)
 285                         {
 286                                 XmlAttribute att = doc.CreateAttribute("xsi", "type", NSXsi);
 287                                 att.Value = "dcterms:W3CDTF";
 288
 289                                 XmlNode modified = coreProperties.AppendChild (doc.CreateNode (XmlNodeType.Element, "dcterms", "modified", NSDcTerms));
 290                                 modified.Attributes.Append (att);
 291                                 modified.InnerXml = Modified.Value.ToString ();
 292                         }
 293
 294                         doc.WriteContentTo (writer);
 295                 }
 296         }
 297 }