/// <summary>
/// Attempts to load a dictionary using the URL to the FSA file and the
/// expected metadata extension.
/// </summary>
/// <param name="dictURL">The URL pointing to the dictionary file (<c>*.dict</c>).</param>
/// <returns>An instantiated dictionary.</returns>
/// <exception cref="IOException">If an I/O error occurs.</exception>
public static Dictionary Read(Uri dictURL)
{
Uri expectedMetadataURL;
try
{
string external = dictURL.AbsoluteUri;
expectedMetadataURL = new Uri(DictionaryMetadata.GetExpectedMetadataFileName(external));
}
catch (UriFormatException e)
{
throw new IOException("Couldn't construct relative feature map URL for: " + dictURL, e);
}
var fsaRequest = (HttpWebRequest)WebRequest.Create(dictURL);
var expectedMetadataRequest = (HttpWebRequest)WebRequest.Create(expectedMetadataURL);
using (var fsaResponse = fsaRequest.GetResponse())
using (var expectedMetadataResponse = expectedMetadataRequest.GetResponse())
using (var fsaStream = fsaResponse.GetResponseStream())
using (var metadataStream = expectedMetadataResponse.GetResponseStream())
return(Read(fsaStream, metadataStream));
}
/// <summary>
/// Reads both the metadata and fsa into a <see cref="Dictionary"/>.
/// </summary>
private Dictionary ReadDictionary(string dictionaryName)
{
using (var fsaStream = this.GetType().getResourceAsStream(dictionaryName))
using (var metadataStream = this.GetType().getResourceAsStream(DictionaryMetadata.GetExpectedMetadataFileName(dictionaryName)))
return(Dictionary.Read(fsaStream, metadataStream));
}
