|
public AutoDiscoverFromQueryUrl ( OpenSearchUrl url ) : |
||
| url | OpenSearchUrl | URL. |
| return | ||
/// <summary>
/// Finds the open search description.
/// </summary>
/// <returns>The open search description.</returns>
/// <param name="baseUrl">Base URL.</param>
public static IOpenSearchable FindOpenSearchable(OpenSearchEngine ose, Uri baseUrl, string mimeType = null, bool soft = false)
{
OpenSearchUrl url = new OpenSearchUrl(baseUrl);
OpenSearchDescription openSearchDescription = null;
UrlBasedOpenSearchableFactory urlBasedOpenSearchableFactory;
IOpenSearchable result;
try {
openSearchDescription = OpenSearchFactory.LoadOpenSearchDescriptionDocument(url);
OpenSearchDescriptionUrl openSearchDescriptionUrl;
if (mimeType == null) {
openSearchDescriptionUrl = openSearchDescription.Url.First<OpenSearchDescriptionUrl>();
} else {
openSearchDescriptionUrl = openSearchDescription.Url.FirstOrDefault((OpenSearchDescriptionUrl u) => u.Type == mimeType);
}
if (openSearchDescriptionUrl == null) {
throw new InvalidOperationException("Impossible to find an OpenSearchable link for the type " + mimeType);
}
openSearchDescription.DefaultUrl = openSearchDescriptionUrl;
} catch (InvalidOperationException ex) {
if (!(ex.InnerException is FileNotFoundException) && !(ex.InnerException is SecurityException) && !(ex.InnerException is UriFormatException)) {
openSearchDescription = ose.AutoDiscoverFromQueryUrl(new OpenSearchUrl(baseUrl));
urlBasedOpenSearchableFactory = new UrlBasedOpenSearchableFactory(ose, soft);
result = urlBasedOpenSearchableFactory.Create(url);
if (string.IsNullOrEmpty(mimeType))
return result;
var murl = openSearchDescription.Url.FirstOrDefault((OpenSearchDescriptionUrl u) => u.Type == mimeType);
if (murl != null)
result.GetOpenSearchDescription().DefaultUrl = murl;
return result;
}
try {
url = new OpenSearchUrl(new Uri(baseUrl, "/description"));
openSearchDescription = OpenSearchFactory.LoadOpenSearchDescriptionDocument(url);
} catch {
try {
url = new OpenSearchUrl(new Uri(baseUrl, "/OSDD"));
openSearchDescription = OpenSearchFactory.LoadOpenSearchDescriptionDocument(url);
} catch {
throw new EntryPointNotFoundException(string.Format("No OpenSearch description found around {0}", baseUrl));
}
}
}
if (openSearchDescription == null) {
throw new EntryPointNotFoundException(string.Format("No OpenSearch description found around {0}", baseUrl));
}
urlBasedOpenSearchableFactory = new UrlBasedOpenSearchableFactory(ose, soft);
result = urlBasedOpenSearchableFactory.Create(openSearchDescription);
return result;
}
/// <summary>
/// Initializes a new instance of the <see cref="Terradue.OpenSearch.GenericOpenSearchable"/> class from a quaery Url
/// </summary>
/// <param name="url">The query URL</param>
/// <param name="ose">An OpenSearchEngine instance, preferably with registered extensions able to read the query url</param>
public GenericOpenSearchable(OpenSearchUrl url, OpenSearchEngine ose)
{
this.url = url;
this.ose = ose;
this.osd = ose.AutoDiscoverFromQueryUrl(url);
}
