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// 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.
//
// Copyright (c) 2007 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Chris Toshok (toshok@ximian.com)
// Alan McGovern (amcgovern@novell.com)
//
using System;
using System.Xml;
namespace System.IO.Packaging {
public abstract class PackageProperties : IDisposable
{
internal const string NSPackageProperties = "http://schemas.openxmlformats.org/package/2006/metadata/core-properties";
internal const string NSPackagePropertiesRelation = "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties";
internal const string PackagePropertiesContentType = "application/vnd.openxmlformats-package.core-properties+xml";
static int uuid;
protected PackageProperties ()
{
}
public abstract string Category { get; set; }
public abstract string ContentStatus { get; set; }
public abstract string ContentType { get; set; }
public abstract DateTime? Created { get; set; }
public abstract string Creator { get; set; }
public abstract string Description { get; set; }
public abstract string Identifier { get; set; }
public abstract string Keywords { get; set; }
public abstract string Language { get; set; }
public abstract string LastModifiedBy { get; set; }
public abstract DateTime? LastPrinted { get; set; }
public abstract DateTime? Modified { get; set; }
internal Package Package { get; set; }
internal PackagePart Part { get; set; }
public abstract string Revision { get; set; }
public abstract string Subject { get; set; }
public abstract string Title { get; set; }
public abstract string Version { get; set; }
public void Dispose ()
{
Dispose (true);
}
protected virtual void Dispose (bool disposing)
{
// Nothing
}
internal void Flush ()
{
using (MemoryStream temp = new MemoryStream ()) {
using (XmlTextWriter writer = new XmlTextWriter (temp, System.Text.Encoding.UTF8)) {
WriteTo (writer);
writer.Flush ();
if (temp.Length == 0)
return;
}
}
if (Part == null)
{
int id = System.Threading.Interlocked.Increment (ref uuid);
Uri uri = new Uri (string.Format ("/package/services/metadata/core-properties/{0}.psmdcp", id), UriKind.Relative);
Part = Package.CreatePart (uri, PackagePropertiesContentType);
PackageRelationship rel = Package.CreateRelationship (uri, TargetMode.Internal, NSPackagePropertiesRelation);
}
using (Stream s = Part.GetStream (FileMode.Create))
using (XmlTextWriter writer = new XmlTextWriter (s, System.Text.Encoding.UTF8))
WriteTo (writer);
}
internal virtual void LoadFrom (Stream stream)
{
}
internal virtual void WriteTo (XmlTextWriter writer)
{
}
}
}
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