/// <summary>
/// Internal Helper for the NamespaceRemoved Event which raises it only when a Handler is registered
/// </summary>
/// <param name="prefix">Namespace Prefix</param>
/// <param name="uri">Namespace Uri</param>
protected virtual void OnNamespaceRemoved(String prefix, Uri uri)
{
NamespaceChanged handler = this.NamespaceRemoved;
if (handler != null)
{
handler(prefix, uri);
}
}
/// <summary>
/// Internal Helper for the NamespaceModified Event which raises it only when a Handler is registered
/// </summary>
/// <param name="prefix">Namespace Prefix</param>
/// <param name="uri">Namespace Uri</param>
protected virtual void RaiseNamespaceModified(String prefix, Uri uri)
{
NamespaceChanged handler = this.NamespaceModified;
if (handler != null)
{
handler(prefix, uri);
}
}
/// <summary>
/// Internal Helper for the NamespaceModified Event which raises it only when a Handler is registered.
/// </summary>
/// <param name="prefix">Namespace Prefix.</param>
/// <param name="uri">Namespace Uri.</param>
protected virtual void OnNamespaceModified(string prefix, Uri uri)
{
NamespaceChanged handler = NamespaceModified;
if (handler != null)
{
handler(prefix, uri);
}
}
public void NamespaceMapperEvent()
{
bool eventRaised = false;
NamespaceChanged added = delegate(String prefix, Uri u) { eventRaised = true; };
NamespaceChanged changed = delegate(String prefix, Uri u) { eventRaised = true; };
NamespaceChanged removed = delegate(String prefix, Uri u) { eventRaised = true; };
NamespaceMapper nsmap = new NamespaceMapper();
nsmap.NamespaceAdded += added;
nsmap.NamespaceModified += changed;
nsmap.NamespaceRemoved += removed;
Console.WriteLine("Trying to add the RDF Namespace, this should already be defined");
nsmap.AddNamespace("rdf", new Uri(NamespaceMapper.RDF));
Assert.False(eventRaised);
eventRaised = false;
Console.WriteLine();
Console.WriteLine("Trying to add an example Namespace which isn't defined");
nsmap.AddNamespace("ex", new Uri("http://example.org/"));
Assert.True(eventRaised);
eventRaised = false;
Console.WriteLine(nsmap.GetNamespaceUri("ex").AbsoluteUri);
Console.WriteLine();
Console.WriteLine("Trying to modify the example Namespace");
nsmap.AddNamespace("ex", new Uri("http://example.org/test/"));
Assert.True(eventRaised);
eventRaised = false;
Console.WriteLine(nsmap.GetNamespaceUri("ex").AbsoluteUri);
Console.WriteLine();
Console.WriteLine("Trying to remove the example Namespace");
nsmap.RemoveNamespace("ex");
Assert.True(eventRaised);
eventRaised = false;
Console.WriteLine();
Console.WriteLine("Trying to remove a non-existent Namespace");
nsmap.RemoveNamespace("ex");
Assert.False(eventRaised);
eventRaised = false;
Console.WriteLine();
Console.WriteLine("Adding some example Namespace back in again for an import test");
nsmap.AddNamespace("ex", new Uri("http://example.org/"));
nsmap.AddNamespace("ns0", new Uri("http://example.org/clashes/"));
Console.WriteLine("Creating another Namespace Mapper with the ex prefix mapped to a different URI");
NamespaceMapper nsmap2 = new NamespaceMapper();
nsmap2.AddNamespace("ex", new Uri("http://example.org/test/"));
Console.WriteLine("Importing the new NamespaceMapper into the original");
nsmap.Import(nsmap2);
Console.WriteLine("NamespaceMapper now contains the following Namespaces:");
foreach (String prefix in nsmap.Prefixes)
{
Console.WriteLine("\t" + prefix + " <" + nsmap.GetNamespaceUri(prefix).AbsoluteUri + ">");
}
Assert.Equal(nsmap.GetNamespaceUri("ex"), new Uri("http://example.org/"));
Assert.Equal(nsmap.GetNamespaceUri("ns1"), new Uri("http://example.org/test/"));
}
