/// <summary>
/// Get DublinCore Metadata of supported file formats using IDublinCore Interface.
/// Feature is supported in version 18.5 or greater of the API
/// </summary>
public static void GetDublinCoreMetadataUsingIDublinCore()
{
try
{
string[] files = Directory.GetFiles(XMPFilesDirectory);
foreach (string file in files)
{
try
{
using (FormatBase format = FormatFactory.RecognizeFormat(file))
{
IDublinCore dublinCoreContainer = format as IDublinCore;
if (dublinCoreContainer != null)
{
DublinCoreMetadata dublinCoreMetadata = dublinCoreContainer.GetDublinCore();
if (dublinCoreMetadata != null)
{
Console.WriteLine(dublinCoreMetadata.Creator);
Console.WriteLine(dublinCoreMetadata.Format);
Console.WriteLine(dublinCoreMetadata.Subject);
}
}
}
}
catch
{
Console.WriteLine("Could not load {0}", file);
}
}
}
catch (Exception)
{
throw;
}
}
public void DublinCoreMetadataConverter_Decode()
{
DublinCoreMetadata expected = new DublinCoreMetadata();
expected.Title.Add("Title1");
expected.Title.Add("Title2");
expected.Creator.Add("Creator 1");
expected.Creator.Add("Creator 2");
expected.Date.Add(new DateTime(1987, 2, 16, 0, 0, 0, DateTimeKind.Utc));
XElement metadata = XElement.Parse($@"{OAI_DC_ROOT}
<dc:title>Title1</dc:title>
<dc:title>Title2</dc:title>
<dc:creator>Creator 1</dc:creator>
<dc:creator>Creator 2</dc:creator>
<dc:date>1987-02-16T00:00:00Z</dc:date>
</oai_dc:dc>");
DublinCoreMetadata actual = _converter.Decode(metadata);
Assert.AreEqual(expected.Title.Count, actual.Title.Count);
Assert.AreEqual(expected.Title[0], actual.Title[0]);
Assert.AreEqual(expected.Title[1], actual.Title[1]);
Assert.AreEqual(expected.Creator[0], actual.Creator[0]);
Assert.AreEqual(expected.Creator[1], actual.Creator[1]);
Assert.AreEqual(expected.Date[0], actual.Date[0]);
}
/// <summary>
/// Get Dublin Core metadata using MetadataUtility class.
/// Feature is supported in version 18.5 or greater of the API
/// </summary>
public static void GetDublinCoreMetadata()
{
try
{
string[] files = Directory.GetFiles(XMPFilesDirectory);
foreach (string file in files)
{
try
{
DublinCoreMetadata dublinCoreMetadata = (DublinCoreMetadata)MetadataUtility.ExtractSpecificMetadata(file, MetadataType.DublinCore);
if (dublinCoreMetadata != null)
{
Console.WriteLine(dublinCoreMetadata.Creator);
Console.WriteLine(dublinCoreMetadata.Format);
Console.WriteLine(dublinCoreMetadata.Subject);
}
}
catch
{
Console.WriteLine("Could not load {0}", file);
}
}
}
catch (Exception)
{
throw;
}
}
public void DublinCoreMetadataConverter_Encode()
{
string expected = $@"{OAI_DC_ROOT}
<dc:title>Title1</dc:title>
<dc:title>Title2</dc:title>
<dc:creator>Creator 1</dc:creator>
<dc:creator>Creator 2</dc:creator>
<dc:date>1987-02-16T00:00:00Z</dc:date>
</oai_dc:dc>";
DublinCoreMetadata metadata = new DublinCoreMetadata();
metadata.Title.Add("Title1");
metadata.Title.Add("Title2");
metadata.Creator.Add("Creator 1");
metadata.Creator.Add("Creator 2");
metadata.Date.Add(new DateTime(1987, 2, 16, 0, 0, 0, DateTimeKind.Utc));
string actual = _converter.Encode(metadata).ToString();
Assert.AreEqual(expected, actual);
}
