/// <summary>
/// Function to add to map
/// </summary>
private void AddToMap_Clicked()
{
try
{
/* if (addedLayer[lstSearchResults.SelectedItem.GetHashCode()] != null) {
AGXM.ServiceLayer resultLayer = (AGXM.ServiceLayer)addedLayer[lstSearchResults.SelectedItem.GetHashCode()];
try {
if (resultLayer.Extent.GetEnvelope() != null) {
MessageBox.Show(resourceManager.GetString("layerAdded"), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
catch (Exception e) {
addedLayer.Remove(lstSearchResults.SelectedItem.GetHashCode());
}
}*/
// if (addedLayer[lstSearchResults.SelectedItem.GetHashCode()] == null) {
Cursor.Current = Cursors.WaitCursor;
// retrieve metadata
CswRecord record = (CswRecord)lstSearchResults.SelectedItem;
if (record == null) throw new NullReferenceException("CswRecord is null.");
if (record.MapServerURL == null || record.MapServerURL.Trim().Length == 0)
{
// retrieve metadata
RetrieveAddToMapInfoFromCatalog();
}
else
{
_mapServerUrl = record.MapServerURL;
}
// if (xmlDoc == null) return;
// prepare metadata for service info
// xmlDoc = PrepareMetadata(xmlDoc);
// if (xmlDoc == null) return;
if (_mapServerUrl != null && _mapServerUrl.Trim().Length > 0)
{
String serviceType = record.ServiceType;
if (serviceType == null || serviceType.Length == 0)
{
serviceType = CswProfile.getServiceType(_mapServerUrl);
}
if (serviceType.Equals("ags"))
{
if (_mapServerUrl.ToLower().Contains("arcgis/rest"))
{
_mapServerUrl = _mapServerUrl + "?f=nmf";
CswClient client = new CswClient();
AddAGSService(client.SubmitHttpRequest("DOWNLOAD", _mapServerUrl, ""));
}
else
{
AddAGSService(_mapServerUrl);
}
}
else if (serviceType.Equals("wms") || serviceType.Equals("aims"))
{
try
{
MapServiceInfo msinfo = new MapServiceInfo();
msinfo.Server = record.MapServerURL;
msinfo.Service = record.ServiceName;
msinfo.ServiceType = record.ServiceType;
CswProfile.ParseServiceInfoFromUrl(msinfo, _mapServerUrl, serviceType);
addMapServiceLayer(msinfo);
}
catch (Exception e)
{
AddAGSService(_mapServerUrl);
}
}
}
else
{
MapServiceInfo msi = new MapServiceInfo();
// parse out service information
// ParseServiceInfoFromMetadata(xmlDoc, ref msi);
if (msi.IsMapService())
{
addMapServiceLayer(msi);
}
else
{
MessageBox.Show(resourceManager.GetString("invalidService"), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
// }
}
catch (Exception ex)
{
MessageBox.Show(resourceManager.GetString("addMapFailed"), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Adds WMS layer to map
/// </summary>
/// <param name="msi">map service information</param>
/// <param name="fromServerUrl">service url</param>
/// <returns></returns>
private bool addLayerWMS2(MapServiceInfo msi, Boolean fromServerUrl)
{
bool flag = false;
if (msi == null) { throw new ArgumentNullException("msi"); }
string service = msi.Service;
string url = AppendQuestionOrAmpersandToUrlString(msi.Server);
// append serviceParam to server url?
if (msi.ServiceParam.Length > 0 && !fromServerUrl)
{
url = url + msi.ServiceParam;
url = AppendQuestionOrAmpersandToUrlString(url);
}
CswClient client = new CswClient();
string response = client.SubmitHttpRequest("GET", url + "request=GetCapabilities&service=WMS", "");
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(response);
XmlNamespaceManager xmlnsManager = new XmlNamespaceManager(xmlDoc.NameTable);
xmlnsManager.AddNamespace("wms", "http://www.opengis.net/wms");
XmlNodeList nl = null;
if (xmlDoc.SelectSingleNode("//wms:Layer", xmlnsManager) != null)
{
nl = xmlDoc.SelectNodes("/wms:WMS_Capabilities/wms:Capability/wms:Layer/wms:Layer/wms:Title", xmlnsManager);
}
if (nl != null)
{
flag = true;
for (int i = nl.Count - 1; i >= 0; i--)
{
AGXD.ServiceConnectionProperties conn = new AGXD.ServiceConnectionProperties
(AGXD.ServiceType.Wms,
new Uri(url),
"", nl.Item(i).InnerText);
AGXM.ServiceLayer sl = new AGXM.ServiceLayer(conn);
bool connected = sl.Connect();
if (connected)
{
addLayer(sl);
addedLayer.Add(DateTime.Now.Millisecond, sl);
}
}
}
return flag;
}
/// <summary>
/// Add WCS map service layer to map
/// </summary>
/// <param name="msi">Map service information</param>
private void AddLayerWCS(esri.gpt.csw.MapServiceInfo msi, Boolean fromServerUrl)
{
if (msi == null) { throw new ArgumentNullException(); }
try
{
string _mapServerUrl = AppendQuestionOrAmpersandToUrlString(msi.Server);
// append serviceParam to server url
// todo: does msi.ServiceParam have a leading "?" or "&"?
if (msi.ServiceParam.Length > 0 && !fromServerUrl)
{
_mapServerUrl = _mapServerUrl + msi.ServiceParam;
_mapServerUrl = AppendQuestionOrAmpersandToUrlString(_mapServerUrl);
}
// MapServiceInfo msi = new MapServiceInfo();
String[] s = _mapServerUrl.Trim().Split('?');
_mapServerUrl = s[0] + "?request=GetCapabilities&service=WCS";
CswClient client = new CswClient();
String response = client.SubmitHttpRequest("GET", _mapServerUrl, "");
XmlDocument xmlDocument = new XmlDocument();
try { xmlDocument.LoadXml(response); }
catch (XmlException xmlEx)
{ }
XmlNodeList contentMetadata = xmlDocument.GetElementsByTagName("ContentMetadata");
if (contentMetadata != null && contentMetadata.Count > 0)
{
XmlNodeList coverageList = contentMetadata.Item(0).ChildNodes;
foreach (XmlNode coverage in coverageList) {
XmlNodeList nodes = coverage.ChildNodes;
foreach(XmlNode node in nodes)
{
if (node.Name.ToLower().Equals("name"))
{
_mapServerUrl = s[0] + "?request=GetCoverage&service=WCS&format=GeoTIFF&coverage=" + node.InnerText;
try{
String filePath = client.SubmitHttpRequest("DOWNLOAD", _mapServerUrl, "");
AddAGSService(filePath);
} catch(Exception e){
ShowErrorMessageBox("WCS service with no GeoTiff interface");
return;
}
}
}
}
}
}
catch (Exception ex)
{
// ShowErrorMessageBox(StringResources.AddWcsLayerFailed + "\r\n" + ex.Message);
}
}
/// <summary>
/// Retrieve metadta for the selected record from server.
/// Then add the live data or maps that the metadta describes to ArcMap as a layer.
/// </summary>
private void AddToMap_Clicked()
{
try
{
Cursor.Current = Cursors.WaitCursor;
CswRecord record = (CswRecord)resultsListBox.SelectedItem;
if (record == null) throw new NullReferenceException(StringResources.CswRecordIsNull);
if (record.MapServerURL == null || record.MapServerURL.Trim().Length == 0)
{
// retrieve metadata
RetrieveAddToMapInfoFromCatalog();
}
else
{
_mapServerUrl = record.MapServerURL;
}
if (_mapServerUrl != null && _mapServerUrl.Trim().Length > 0)
{
String serviceType = record.ServiceType;
if (serviceType == null || serviceType.Length == 0)
{
serviceType = CswProfile.getServiceType(_mapServerUrl);
}
if (serviceType.Equals("unknown"))
{
System.Diagnostics.Process.Start("IExplore", _mapServerUrl);
Cursor.Current = Cursors.Default;
return;
}
else if (serviceType.Equals("ags"))
{
if (_mapServerUrl.ToLower().Contains("arcgis/rest"))
{
var urlparts = _mapServerUrl.Split('/');
if (urlparts != null && urlparts.Length > 0)
{
var lastPartOfUrl = urlparts[urlparts.Length - 1];
if (lastPartOfUrl.Length > 0 && IsNumeric(lastPartOfUrl))
{
// CswClient client = new CswClient();
AddAGSService( _mapServerUrl);
}
else
{
_mapServerUrl = _mapServerUrl + "?f=lyr";
CswClient client = new CswClient();
AddAGSService(client.SubmitHttpRequest("DOWNLOAD", _mapServerUrl, ""));
}
}
}
else
{
AddAGSService(_mapServerUrl);
}
}
else if (serviceType.Equals("wms"))
{
MapServiceInfo msinfo = new MapServiceInfo();
msinfo.Server = record.MapServerURL;
msinfo.Service = record.ServiceName;
msinfo.ServiceType = record.ServiceType;
CswProfile.ParseServiceInfoFromUrl(msinfo,_mapServerUrl, serviceType);
AddLayerWMS(msinfo, true);
}
else if (serviceType.Equals("aims"))
{
MapServiceInfo msinfo = new MapServiceInfo();
msinfo.Server = record.MapServerURL;
msinfo.Service = record.ServiceName;
msinfo.ServiceType = record.ServiceType;
CswProfile.ParseServiceInfoFromUrl(msinfo,_mapServerUrl, serviceType);
AddLayerArcIMS(msinfo);
}
else if (serviceType.Equals("wcs"))
{
// MapServiceInfo msi = new MapServiceInfo();
String[] s = _mapServerUrl.Trim().Split('?');
_mapServerUrl = s[0] + "?request=GetCapabilities&service=WCS";
CswClient client = new CswClient();
String response = client.SubmitHttpRequest("GET", _mapServerUrl, "");
XmlDocument xmlDocument = new XmlDocument();
try { xmlDocument.LoadXml(response); }
catch (XmlException xmlEx)
{ }
XmlNodeList contentMetadata = xmlDocument.GetElementsByTagName("ContentMetadata");
if (contentMetadata != null && contentMetadata.Count > 0)
{
XmlNodeList coverageList = contentMetadata.Item(0).ChildNodes;
foreach (XmlNode coverage in coverageList)
{
XmlNodeList nodes = coverage.ChildNodes;
foreach (XmlNode node in nodes)
{
if (node.Name.ToLower().Equals("name"))
{
_mapServerUrl = s[0] + "?request=GetCoverage&service=WCS&format=GeoTIFF&coverage=" + node.InnerText;
try
{
String filePath = client.SubmitHttpRequest("DOWNLOAD", _mapServerUrl, "");
AddAGSService(filePath);
}
catch (Exception e)
{
ShowErrorMessageBox(StringResources.wcsWithNoGeoTiffInterface);
return;
}
}
}
}
}
else
{
ShowErrorMessageBox(StringResources.serviceTypeUnknown);
return;
/* contentMetadata = xmlDocument.GetElementsByTagName("CoverageSummary");
if (contentMetadata != null && contentMetadata.Count > 0)
{
XmlNodeList coverageList = contentMetadata.Item(0).ChildNodes;
foreach (XmlNode coverage in coverageList)
{
if (coverage.Name.ToLower().Equals("identifier"))
{
_mapServerUrl = s[0] + "?request=GetCoverage&service=WCS&format=GeoTIFF&coverage=" + coverage.InnerText;
try
{
String filePath = client.SubmitHttpRequest("DOWNLOAD", _mapServerUrl, "");
AddAGSService(filePath);
}
catch (Exception e)
{
ShowErrorMessageBox("WCS service with no GeoTiff interface");
return;
}
}
}
}*/
}
}
}
}
catch (Exception ex)
{
ShowErrorMessageBox(ex.Message);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Get Add to map information
/// </summary>
/// <param name="DocID">document identifier</param>
public void GetAddToMapInfoByID(string DocID)
{
_response = new CswSearchResponse();
StringBuilder sb = new StringBuilder();
if (DocID == null || DocID == "")
{
throw new ArgumentNullException();
}
if (_catalog == null)
{
throw new NullReferenceException("Catalog not specified.");
}
if (_catalog.Capabilities == null)
{
throw new NullReferenceException("Catalog capabilities not initialized.");
}
if (_catalog.Profile == null)
{
throw new NullReferenceException("Catalog profile not specified.");
}
if (_catalog.Capabilities.GetRecordByID_GetURL == null || _catalog.Capabilities.GetRecordByID_GetURL.Length == 0)
{
sb.AppendLine(DateTime.Now + " GetRecordByID URL not specified for the catalog capabilities.");
throw new NullReferenceException("GetRecordByID URL not specified for the catalog capabilities.");
}
CswProfile profile = _catalog.Profile;
// generate request url
string getRecordByIDBaseUrl = _catalog.Capabilities.GetRecordByID_GetURL;
string requestUrl = profile.GenerateCSWGetMetadataByIDRequestURL(getRecordByIDBaseUrl, DocID);
sb.AppendLine(DateTime.Now + " GetRecordsById request URL : " + requestUrl);
if (_cswClient == null)
{
_cswClient = new CswClient();
}
string responseText = _cswClient.SubmitHttpRequest("GET", requestUrl, "");
_response.ResponseXML = responseText;
sb.AppendLine(DateTime.Now + " GetRecordsById response xml : " + responseText);
CswRecord record = new CswRecord(DocID);
profile.ReadCSWGetMetadataByIDResponse(responseText, record);
if (record.MetadataResourceURL != null && record.MetadataResourceURL.Equals("") && profile.Name.Equals("terra catalog CSW 2.0.2 AP ISO"))
{
record.FullMetadata = responseText;
}
if (record == null)
{
throw new NullReferenceException("Record not populated.");
}
// check if full metadata or resourceURL has been returned
bool hasFullMetadata = !(record.FullMetadata == null || record.FullMetadata == "");
bool hasResourceUrl = !(record.MetadataResourceURL == null || record.MetadataResourceURL == "");
if (!hasFullMetadata && !hasResourceUrl)
{
// throw new InvalidOperationException("Neither full metadata nor metadata resource URL was found for the CSW record.");
}
else if (!hasFullMetadata && record.MetadataResourceURL != null)
{
// need to load metadata from resource URL
responseText = _cswClient.SubmitHttpRequest("GET", record.MetadataResourceURL, "", "", "");
record.FullMetadata = responseText;
}
// add record to the response
CswRecords records = new CswRecords();
if (record != null)
{
records.Add(record.ID, record);
}
_response.Records = records;
_mapServerUrl = record.MapServerURL;
if (_mapServerUrl != null)
{
sb.AppendLine(DateTime.Now + " Map Server Url : " + _mapServerUrl);
}
writeLogMessage(sb.ToString());
}
/// <summary>
/// Search CSW catalog using the provided criteria. Search result can be accessed by calling GetResponse().
/// </summary>
public void Search()
{
_response = new CswSearchResponse();
StringBuilder sb = new StringBuilder();
if (_criteria == null)
{
sb.AppendLine(DateTime.Now + " Criteria not specified.");
throw new NullReferenceException("Criteria not specified.");
}
if (_catalog == null)
{
sb.AppendLine(DateTime.Now + " Catalog not specified.");
throw new NullReferenceException("Catalog not specified.");
}
if (_catalog.URL == null || _catalog.URL.Length == 0)
{
sb.AppendLine(DateTime.Now + " Catalog URL not specified.");
throw new NullReferenceException("Catalog URL not specified.");
}
if (_catalog.Profile == null)
{
sb.AppendLine(DateTime.Now + " Catalog profile not specified.");
throw new NullReferenceException("Catalog profile not specified.");
}
CswProfile profile = _catalog.Profile;
writeLogMessage("Csw profile used : " + profile.Name);
// generate getRecords query
string requestUrl = "";
string requestQuery = "";
if (_catalog.Profile.isOGCRecords)
{
requestUrl = _catalog.URL;
requestQuery = "f=json&q=" + _criteria.SearchText;
}
else
{
requestUrl = _catalog.Capabilities.GetRecords_PostURL;
requestQuery = profile.GenerateCSWGetRecordsRequest(_criteria);
}
// requestQuery = "<csw:GetCapabilities xmlns:csw=\"http://www.opengis.net/cat/csw/2.0.2\" request=\"GetCapabilities\" service=\"CSW\" version=\"2.0.2\"/>";
requestQuery = requestQuery.Replace("utf-16", "utf-8");
requestQuery = requestQuery.Replace("UTF-16", "UTF-8");
// submit search query
if (_cswClient == null)
{
_cswClient = new CswClient();
}
string responseText;
sb.AppendLine(DateTime.Now + " Sending CSW GetRecords request to endpoint : " + requestUrl);
sb.AppendLine("Request Query : " + requestQuery);
if (_catalog.Profile.isOGCRecords)
{
responseText = _cswClient.SubmitHttpRequest("GET", requestUrl, requestQuery);
}
else
{
if (!_catalog.Capabilities.GetRecords_IsSoapEndPoint)
{
responseText = _cswClient.SubmitHttpRequest("POST", requestUrl, requestQuery);
}
else
{
responseText = _cswClient.SubmitHttpRequest("SOAP", requestUrl, requestQuery);
}
}
// parse out csw search records
CswRecords records = new CswRecords();
sb.AppendLine(DateTime.Now + " Response received : " + responseText);
if (_catalog.Profile.isOGCRecords)
{
profile.ReadOGCAPIRecordsResponse(responseText, records);
}
else
{
profile.ReadCSWGetRecordsResponse(responseText, records);
}
sb.AppendLine(DateTime.Now + " Parsed GetRecords response.");
// populate CSW response
_response.ResponseXML = responseText;
_response.Records = records;
writeLogMessage(sb.ToString());
}
/// <summary>
/// Retrieve metadata from CSW service by its ID
/// </summary>
/// <param name="DocID">Metadata document ID</param>
public bool GetMetadataByID(string DocID, bool bApplyTransform)
{
_response = new CswSearchResponse();
StringBuilder sb = new StringBuilder();
if (DocID == null || DocID == "")
{
throw new ArgumentNullException();
}
if (_catalog == null)
{
throw new NullReferenceException("Catalog not specified.");
}
if (_catalog.Capabilities == null)
{
throw new NullReferenceException("Catalog capabilities not initialized.");
}
if (_catalog.Profile == null)
{
throw new NullReferenceException("Catalog profile not specified.");
}
if (_catalog.Capabilities.GetRecordByID_GetURL == null || _catalog.Capabilities.GetRecordByID_GetURL.Length == 0)
{
throw new NullReferenceException("GetRecordByID URL not specified for the catalog capabilities.");
}
CswProfile profile = _catalog.Profile;
writeLogMessage(" Csw profile used : " + profile.Name);
// generate request url
string getRecordByIDBaseUrl = _catalog.Capabilities.GetRecordByID_GetURL;
string requestUrl = profile.GenerateCSWGetMetadataByIDRequestURL(getRecordByIDBaseUrl, DocID);
sb.AppendLine(DateTime.Now + " GetRecordsById request URL : " + requestUrl);
if (_cswClient == null)
{
_cswClient = new CswClient();
}
string responseText = _cswClient.SubmitHttpRequest("GET", requestUrl, "");
_response.ResponseXML = responseText;
sb.AppendLine(DateTime.Now + " GetRecordsById response xml : " + responseText);
CswRecord record = new CswRecord(DocID);
bool isTransformed = false;
if (bApplyTransform)
{
isTransformed = profile.TransformCSWGetMetadataByIDResponse(responseText, record);
if (isTransformed)
{
sb.AppendLine(DateTime.Now + " Transformed xml : " + record.FullMetadata);
}
}
else
{
record.FullMetadata = responseText;
}
/*if (!isTransformed)
* {
* XmlDocument responseXml = new XmlDocument();
* try { responseXml.LoadXml(responseText); }
* catch (XmlException xmlEx)
* {
* throw new XmlException("Error occurred \r\n" + xmlEx.Message);
* }
* record.FullMetadata = responseXml.FirstChild.InnerText ;
* }*/
// add record to the response
CswRecords records = new CswRecords();
if (record != null)
{
records.Add(record.ID, record);
}
_response.Records = records;
_mapServerUrl = record.MapServerURL;
if (_mapServerUrl != null)
{
sb.AppendLine(DateTime.Now + " Map Server Url : " + _mapServerUrl);
}
writeLogMessage(sb.ToString());
return(isTransformed);
}
/// <summary>
/// To retrieve informations about the CSW service.
/// </summary>
/// <remarks>
/// </remarks>
/// <param name="param1">capabilities baseurl</param>
/// <returns>Response the get capabilities url</returns>
private string GetCapabilities(string capabilitiesurl) {
try {
CswClient client = new CswClient();
Utils.logger.writeLog("GetCapabilities url : " + capabilitiesurl);
string response = client.SubmitHttpRequest("GET", capabilitiesurl, "");
Utils.logger.writeLog("GetCapabilities response : " + response);
//Console.WriteLine()
XmlDocument xmlDoc = new XmlDocument();
if (response == null)
return null ;
xmlDoc.LoadXml(response);
XmlNamespaceManager xmlnsManager = new XmlNamespaceManager(xmlDoc.NameTable);
if (this.Profile.CswNamespace.Length <= 0) {
this.Profile.CswNamespace = CswProfiles.DEFAULT_CSW_NAMESPACE;
}
xmlnsManager.AddNamespace("ows", "http://www.opengis.net/ows");
xmlnsManager.AddNamespace("csw", this.Profile.CswNamespace);
xmlnsManager.AddNamespace("wrs10", "http://www.opengis.net/cat/wrs/1.0");
xmlnsManager.AddNamespace("wrs", "http://www.opengis.net/cat/wrs");
xmlnsManager.AddNamespace("xlink", "http://www.w3.org/1999/xlink");
xmlnsManager.AddNamespace("wcs", "http://www.opengis.net/wcs");
if (xmlDoc.SelectSingleNode("/csw:Capabilities|/wrs:Capabilities| /wrs10:Capabilities | /wcs:WCS_Capabilities", xmlnsManager) != null)
return response;
else
return null;
}
catch (Exception ex) {
Utils.logger.writeLog(ex.StackTrace);
throw ex;
}
}
/// <summary>
/// Search CSW catalog using the provided criteria. Search result can be accessed by calling GetResponse().
/// </summary>
public void Search()
{
_response = new CswSearchResponse();
StringBuilder sb = new StringBuilder();
if (_criteria == null) {
sb.AppendLine(DateTime.Now + " Criteria not specified.");
throw new NullReferenceException("Criteria not specified."); }
if (_catalog == null) {
sb.AppendLine(DateTime.Now + " Catalog not specified.");
throw new NullReferenceException("Catalog not specified."); }
if (_catalog.URL == null || _catalog.URL.Length == 0)
{
sb.AppendLine(DateTime.Now + " Catalog URL not specified.");
throw new NullReferenceException("Catalog URL not specified.");
}
if (_catalog.Profile == null)
{
sb.AppendLine(DateTime.Now + " Catalog profile not specified.");
throw new NullReferenceException("Catalog profile not specified.");
}
CswProfile profile = _catalog.Profile;
writeLogMessage("Csw profile used : " + profile.Name);
// generate getRecords query
string requestUrl = _catalog.Capabilities.GetRecords_PostURL;
string requestQuery = profile.GenerateCSWGetRecordsRequest(_criteria);
// requestQuery = "<csw:GetCapabilities xmlns:csw=\"http://www.opengis.net/cat/csw/2.0.2\" request=\"GetCapabilities\" service=\"CSW\" version=\"2.0.2\"/>";
requestQuery = requestQuery.Replace("utf-16", "utf-8");
requestQuery = requestQuery.Replace("UTF-16", "UTF-8");
// submit search query
if (_cswClient == null) { _cswClient = new CswClient(); }
string responseText;
sb.AppendLine(DateTime.Now + " Sending CSW GetRecords request to endpoint : " + requestUrl);
sb.AppendLine("Request Query : " + requestQuery);
if(!_catalog.Capabilities.GetRecords_IsSoapEndPoint)
responseText = _cswClient.SubmitHttpRequest("POST", requestUrl, requestQuery);
else
responseText = _cswClient.SubmitHttpRequest("SOAP", requestUrl, requestQuery);
// parse out csw search records
CswRecords records = new CswRecords();
sb.AppendLine(DateTime.Now + " Response received : " + responseText);
profile.ReadCSWGetRecordsResponse(responseText, records);
sb.AppendLine(DateTime.Now + " Parsed GetRecords response.");
// populate CSW response
_response.ResponseXML = responseText;
_response.Records = records;
writeLogMessage(sb.ToString());
}
/// <summary>
/// Get Add to map information
/// </summary>
/// <param name="DocID">document identifier</param>
public void GetAddToMapInfoByID(string DocID)
{
_response = new CswSearchResponse();
StringBuilder sb = new StringBuilder();
if (DocID == null || DocID == "") { throw new ArgumentNullException(); }
if (_catalog == null) { throw new NullReferenceException("Catalog not specified."); }
if (_catalog.Capabilities == null) { throw new NullReferenceException("Catalog capabilities not initialized."); }
if (_catalog.Profile == null) { throw new NullReferenceException("Catalog profile not specified."); }
if (_catalog.Capabilities.GetRecordByID_GetURL == null || _catalog.Capabilities.GetRecordByID_GetURL.Length == 0)
{
sb.AppendLine(DateTime.Now + " GetRecordByID URL not specified for the catalog capabilities.");
throw new NullReferenceException("GetRecordByID URL not specified for the catalog capabilities.");
}
CswProfile profile = _catalog.Profile;
// generate request url
string getRecordByIDBaseUrl = _catalog.Capabilities.GetRecordByID_GetURL;
string requestUrl = profile.GenerateCSWGetMetadataByIDRequestURL(getRecordByIDBaseUrl, DocID);
sb.AppendLine(DateTime.Now + " GetRecordsById request URL : " + requestUrl);
if (_cswClient == null) { _cswClient = new CswClient(); }
string responseText = _cswClient.SubmitHttpRequest("GET", requestUrl, "");
_response.ResponseXML = responseText;
sb.AppendLine(DateTime.Now + " GetRecordsById response xml : " + responseText);
CswRecord record = new CswRecord(DocID);
profile.ReadCSWGetMetadataByIDResponse(responseText, record);
if (record.MetadataResourceURL != null && record.MetadataResourceURL.Equals("") && profile.Name.Equals("terra catalog CSW 2.0.2 AP ISO"))
{
record.FullMetadata = responseText;
}
if (record == null) { throw new NullReferenceException("Record not populated."); }
// check if full metadata or resourceURL has been returned
bool hasFullMetadata = !(record.FullMetadata == null || record.FullMetadata == "");
bool hasResourceUrl = !(record.MetadataResourceURL == null || record.MetadataResourceURL == "");
if (!hasFullMetadata && !hasResourceUrl)
{
// throw new InvalidOperationException("Neither full metadata nor metadata resource URL was found for the CSW record.");
}
else if (!hasFullMetadata && record.MetadataResourceURL != null)
{
// need to load metadata from resource URL
responseText = _cswClient.SubmitHttpRequest("GET", record.MetadataResourceURL, "", "", "");
record.FullMetadata = responseText;
}
// add record to the response
CswRecords records = new CswRecords();
if (record != null) { records.Add(record.ID, record); }
_response.Records = records;
_mapServerUrl = record.MapServerURL;
if (_mapServerUrl != null)
sb.AppendLine(DateTime.Now + " Map Server Url : " + _mapServerUrl);
writeLogMessage(sb.ToString());
}
/// <summary>
/// Retrieve metadata from CSW service by its ID
/// </summary>
/// <param name="DocID">Metadata document ID</param>
public bool GetMetadataByID(string DocID, bool bApplyTransform)
{
_response = new CswSearchResponse();
StringBuilder sb = new StringBuilder();
if (DocID == null || DocID == "") { throw new ArgumentNullException(); }
if (_catalog == null) { throw new NullReferenceException("Catalog not specified."); }
if (_catalog.Capabilities == null) { throw new NullReferenceException("Catalog capabilities not initialized."); }
if (_catalog.Profile == null) { throw new NullReferenceException("Catalog profile not specified."); }
if (_catalog.Capabilities.GetRecordByID_GetURL == null || _catalog.Capabilities.GetRecordByID_GetURL.Length == 0)
{
throw new NullReferenceException("GetRecordByID URL not specified for the catalog capabilities.");
}
CswProfile profile = _catalog.Profile;
writeLogMessage(" Csw profile used : " + profile.Name);
// generate request url
string getRecordByIDBaseUrl = _catalog.Capabilities.GetRecordByID_GetURL;
string requestUrl = profile.GenerateCSWGetMetadataByIDRequestURL(getRecordByIDBaseUrl, DocID);
sb.AppendLine(DateTime.Now + " GetRecordsById request URL : " + requestUrl);
if (_cswClient == null) { _cswClient = new CswClient(); }
string responseText = _cswClient.SubmitHttpRequest("GET", requestUrl, "");
_response.ResponseXML = responseText;
sb.AppendLine(DateTime.Now + " GetRecordsById response xml : " + responseText);
CswRecord record = new CswRecord(DocID);
bool isTransformed = false;
if (bApplyTransform)
{
isTransformed = profile.TransformCSWGetMetadataByIDResponse(responseText, record);
if(isTransformed)
sb.AppendLine(DateTime.Now + " Transformed xml : " + record.FullMetadata);
}
else
{
record.FullMetadata = responseText;
}
/*if (!isTransformed)
{
XmlDocument responseXml = new XmlDocument();
try { responseXml.LoadXml(responseText); }
catch (XmlException xmlEx)
{
throw new XmlException("Error occurred \r\n" + xmlEx.Message);
}
record.FullMetadata = responseXml.FirstChild.InnerText ;
}*/
// add record to the response
CswRecords records = new CswRecords();
if (record != null) { records.Add(record.ID, record); }
_response.Records = records;
_mapServerUrl = record.MapServerURL;
if (_mapServerUrl != null)
sb.AppendLine(DateTime.Now + " Map Server Url : " + _mapServerUrl);
writeLogMessage(sb.ToString());
return isTransformed;
}
