/// <summary>
/// Default constructor
/// </summary>
/// <param name="oFolderNode"></param>
internal CatalogFolder(System.Xml.XmlNode oFolderNode, string strHierarchy)
{
System.Xml.XmlNode oAttr;
oAttr = oFolderNode.Attributes.GetNamedItem("name");
if (oAttr == null)
{
throw new ArgumentException();
}
m_strName = oAttr.Value;
m_strHierarchy = strHierarchy + '/' + m_strName;
oAttr = oFolderNode.Attributes.GetNamedItem("value");
if (oAttr == null)
{
throw new ArgumentException();
}
m_iTimestamp = Int32.Parse(oAttr.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
foreach (System.Xml.XmlNode oChildNode in oFolderNode.ChildNodes)
{
CatalogFolder oFolder;
oFolder = new CatalogFolder(oChildNode, m_strHierarchy);
m_oSubFolders.Add(oFolder.Name, oFolder);
}
}
/// <summary>
/// Parse the catalog hierarchy
/// </summary>
/// <param name="oDocument"></param>
/// <returns></returns>
internal static CatalogFolder Parse(System.Xml.XmlDocument oDocument, out string strConfigurationEdition)
{
CatalogFolder oFolder = null;
System.Xml.XmlNode oGeosoftXmlNode;
System.Xml.XmlNode oCatalogHierarchyNode;
System.Xml.XmlNode oCatalogEditionNode;
System.Xml.XmlNode oAttr;
System.Xml.XmlNodeList oNodeList;
strConfigurationEdition = string.Empty;
oGeosoftXmlNode = oDocument.DocumentElement;
if (oGeosoftXmlNode == null || oGeosoftXmlNode.ChildNodes.Count == 0)
{
return(null);
}
oNodeList = oGeosoftXmlNode.SelectNodes("//" + Geosoft.Dap.Xml.Common.Constant.Tag.CONFIGURATION_TAG);
if (oNodeList == null || oNodeList.Count == 0)
{
return(null);
}
oCatalogEditionNode = oNodeList[0];
if (oCatalogEditionNode == null)
{
return(null);
}
oAttr = oCatalogEditionNode.Attributes.GetNamedItem("version");
if (oAttr == null)
{
return(null);
}
strConfigurationEdition = oAttr.Value;
oNodeList = oGeosoftXmlNode.SelectNodes("//" + Geosoft.Dap.Xml.Common.Constant.Tag.CATALOG_HIERARCHY_TAG);
if (oNodeList == null || oNodeList.Count == 0)
{
return(null);
}
oCatalogHierarchyNode = oNodeList[0];
if (oCatalogHierarchyNode == null || oCatalogHierarchyNode.ChildNodes.Count == 0)
{
return(null);
}
try
{
oFolder = new CatalogFolder(oCatalogHierarchyNode.ChildNodes[0], string.Empty);
oFolder.m_strConfigurationEdition = strConfigurationEdition;
}
catch
{
return(null);
}
return(oFolder);
}
internal FolderDatasetList GetDatasets(Server oServer, CatalogFolder oFolder, BoundingBox oBounds, bool bAOIFilter, bool bTextFilter, string strSearchString)
{
FolderDatasetList oRet = null;
string strKey = oServer.Url + ':' + oFolder.Hierarchy;
if (bTextFilter)
{
strKey += "_" + strSearchString;
}
if (bAOIFilter)
{
strKey += "_" + oBounds.GetHashCode().ToString(CultureInfo.InvariantCulture);
}
string strFile = Path.Combine(oServer.CacheDir, strKey.GetHashCode().ToString(CultureInfo.InvariantCulture) + ".dap_datasetlist.gz");
if (File.Exists(strFile))
{
try
{
// --- Use SOAP formatting and GZip compression to disk ---
// --- This way we have a nice human readable format and ---
// --- we may later move caching to database based. ---
SoapFormatter formatter = new SoapFormatter();
formatter.Binder = new FolderDatasetListDeserializationBinder();
using (Stream stream = new FileStream(strFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (GZipStream compStream = new GZipStream(stream, CompressionMode.Decompress))
{
oRet = (FolderDatasetList)formatter.Deserialize(compStream);
compStream.Close();
stream.Close();
}
}
}
catch
{
oRet = null;
try
{
if (File.Exists(strFile))
{
File.Delete(strFile);
}
}
catch (IOException) { } // Bug report where this delete failed; suppress failed deletions.
}
}
if (oRet != null && oRet.Timestamp == oFolder.Timestamp && strKey == oRet.Key)
{
return(oRet);
}
return(null);
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="oFolderNode"></param>
internal CatalogFolder(System.Xml.XmlNode oFolderNode, string strHierarchy)
{
System.Xml.XmlNode oAttr;
oAttr = oFolderNode.Attributes.GetNamedItem("name");
if (oAttr == null) throw new ArgumentException();
m_strName = oAttr.Value;
m_strHierarchy = strHierarchy + '/' + m_strName;
oAttr = oFolderNode.Attributes.GetNamedItem("value");
if (oAttr == null) throw new ArgumentException();
m_iTimestamp = Int32.Parse(oAttr.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
foreach (System.Xml.XmlNode oChildNode in oFolderNode.ChildNodes)
{
CatalogFolder oFolder;
oFolder = new CatalogFolder(oChildNode, m_strHierarchy);
m_oSubFolders.Add(oFolder.Name, oFolder);
}
}
internal DapDirectoryModelNode(DappleModel oModel, CatalogFolder oFolder)
: base(oModel)
{
m_oFolder = oFolder;
foreach (CatalogFolder oSubFolder in m_oFolder.Folders)
{
AddChildSilently(new DapDirectoryModelNode(m_oModel, oSubFolder));
}
}
/// <summary>
/// Parse the catalog hierarchy
/// </summary>
/// <param name="oDocument"></param>
/// <returns></returns>
internal static CatalogFolder Parse(System.Xml.XmlDocument oDocument, out string strConfigurationEdition)
{
CatalogFolder oFolder = null;
System.Xml.XmlNode oGeosoftXmlNode;
System.Xml.XmlNode oCatalogHierarchyNode;
System.Xml.XmlNode oCatalogEditionNode;
System.Xml.XmlNode oAttr;
System.Xml.XmlNodeList oNodeList;
strConfigurationEdition = string.Empty;
oGeosoftXmlNode = oDocument.DocumentElement;
if (oGeosoftXmlNode == null || oGeosoftXmlNode.ChildNodes.Count == 0) return null;
oNodeList = oGeosoftXmlNode.SelectNodes("//" + Geosoft.Dap.Xml.Common.Constant.Tag.CONFIGURATION_TAG);
if (oNodeList == null || oNodeList.Count == 0) return null;
oCatalogEditionNode = oNodeList[0];
if (oCatalogEditionNode == null) return null;
oAttr = oCatalogEditionNode.Attributes.GetNamedItem("version");
if (oAttr == null) return null;
strConfigurationEdition = oAttr.Value;
oNodeList = oGeosoftXmlNode.SelectNodes("//" + Geosoft.Dap.Xml.Common.Constant.Tag.CATALOG_HIERARCHY_TAG);
if (oNodeList == null || oNodeList.Count == 0) return null;
oCatalogHierarchyNode = oNodeList[0];
if (oCatalogHierarchyNode == null || oCatalogHierarchyNode.ChildNodes.Count == 0) return null;
try
{
oFolder = new CatalogFolder(oCatalogHierarchyNode.ChildNodes[0], string.Empty);
oFolder.m_strConfigurationEdition = strConfigurationEdition;
}
catch
{
return null;
}
return oFolder;
}
/// <summary>
/// Clear the current catalog that we have displayed
/// </summary>
protected void ClearCatalog()
{
m_oCatalog = null;
m_oCatalogHierarchyRoot = null;
m_oAsyncQueue.Clear();
if (this.InvokeRequired)
this.Invoke(new MethodInvoker(ClearTree));
else
ClearTree();
}
internal FolderDatasetList GetDatasets(CatalogFolder oFolder)
{
return m_oCacheManager.GetDatasets(m_oCurServer, oFolder, m_oCatalogBoundingBox, m_bAOIFilter, m_bTextFilter, m_strSearchString);
}
/// <summary>
/// Get the catalog hierarchy
/// </summary>
internal void GetCatalogHierarchy()
{
string strConfigurationEdition = string.Empty;
if (m_oCurServer == null)
return;
if (!(m_oCurServer.Enabled))
{
m_oCatalogHierarchyRoot = null;
if (this.InvokeRequired)
{
try
{
this.Invoke(new MethodInvoker(this.RefreshResults));
}
catch
{
}
}
else
RefreshResults();
return;
}
if (m_bEntireCatalogMode)
{
Catalog oCatalog = null;
try
{
if (!m_bAOIFilter && !m_bTextFilter)
oCatalog = m_oCurServer.CatalogCollection.GetCatalog(null, string.Empty);
else if (!m_bAOIFilter && m_bTextFilter)
oCatalog = m_oCurServer.CatalogCollection.GetCatalog(null, m_strSearchString);
else if (m_bAOIFilter && !m_bTextFilter)
oCatalog = m_oCurServer.CatalogCollection.GetCatalog(m_oCatalogBoundingBox, string.Empty);
else if (m_bAOIFilter && m_bTextFilter)
oCatalog = m_oCurServer.CatalogCollection.GetCatalog(m_oCatalogBoundingBox, m_strSearchString);
}
catch (DapException)
{
oCatalog = null;
}
if (oCatalog == null)
{
// --- do something to disable server ---
NoResponseError(m_oCurServer);
return;
}
else
{
// --- Looks like the server is online now ---
ReenableServer(m_oCurServer);
m_oCatalog = oCatalog.Document;
strConfigurationEdition = oCatalog.ConfigurationEdition;
}
}
else
{
bool bEntireCatalog;
m_oCatalogHierarchyRoot = null;
try
{
m_oCatalogHierarchyRoot = m_oCacheManager.GetCatalogHierarchyRoot(m_oCurServer, m_oCatalogBoundingBox, m_bAOIFilter, m_bTextFilter, m_strSearchString, out bEntireCatalog, out strConfigurationEdition);
}
catch
{
// Assumed that the server does not support this request, revert to old method
bEntireCatalog = true;
}
if (m_oCatalogHierarchyRoot == null && bEntireCatalog)
{
m_bEntireCatalogMode = true;
GetCatalogHierarchy();
return;
}
}
if (strConfigurationEdition != m_oCurServer.CacheVersion)
{
OnServerCachedChanged(m_oCurServer);
return;
}
if (this.InvokeRequired)
{
try
{
this.Invoke(new MethodInvoker(this.RefreshResults));
}
catch
{
}
}
else
RefreshResults();
}
internal FolderDatasetList GetDatasets(Server oServer, CatalogFolder oFolder, BoundingBox oBounds, bool bAOIFilter, bool bTextFilter, string strSearchString)
{
FolderDatasetList oRet = null;
string strKey = oServer.Url + ':' + oFolder.Hierarchy;
if (bTextFilter)
strKey += "_" + strSearchString;
if (bAOIFilter)
strKey += "_" + oBounds.GetHashCode().ToString(CultureInfo.InvariantCulture);
string strFile = Path.Combine(oServer.CacheDir, strKey.GetHashCode().ToString(CultureInfo.InvariantCulture) + ".dap_datasetlist.gz");
if (File.Exists(strFile))
{
try
{
// --- Use SOAP formatting and GZip compression to disk ---
// --- This way we have a nice human readable format and ---
// --- we may later move caching to database based. ---
SoapFormatter formatter = new SoapFormatter();
formatter.Binder = new FolderDatasetListDeserializationBinder();
using (Stream stream = new FileStream(strFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (GZipStream compStream = new GZipStream(stream, CompressionMode.Decompress))
{
oRet = (FolderDatasetList)formatter.Deserialize(compStream);
compStream.Close();
stream.Close();
}
}
}
catch
{
oRet = null;
try
{
if (File.Exists(strFile))
File.Delete(strFile);
}
catch (IOException) { } // Bug report where this delete failed; suppress failed deletions.
}
}
if (oRet != null && oRet.Timestamp == oFolder.Timestamp && strKey == oRet.Key)
return oRet;
return null;
}
/// <summary>
/// Get the root catalog hierarchy for a particular path
/// </summary>
/// <param name="oServer"></param>
/// <param name="oBounds"></param>
/// <param name="bAOIFilter"></param>
/// <param name="bTextFilter"></param>
/// <param name="strSearchString"></param>
/// <returns>The hierarchy as a CatalogFolder</returns>
internal CatalogFolder GetCatalogHierarchyRoot(Server oServer, BoundingBox oBounds, bool bAOIFilter, bool bTextFilter, string strSearchString, out bool bEntireCatalogMode, out string strEdition)
{
XmlDocument oDoc = null;
strEdition = "";
bEntireCatalogMode = false;
string strKey = oServer.Url;
if (bTextFilter)
{
strKey += "_" + strSearchString;
}
if (bAOIFilter)
{
strKey += "_" + oBounds.GetHashCode().ToString(CultureInfo.InvariantCulture);
}
string strFile = Path.Combine(oServer.CacheDir, strKey.GetHashCode().ToString(CultureInfo.InvariantCulture) + ".dap_cataloghierarchy.gz");
if (File.Exists(strFile))
{
try
{
// --- Use GZip compression to disk ---
using (Stream stream = new FileStream(strFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (GZipStream compStream = new GZipStream(stream, CompressionMode.Decompress))
{
oDoc = new XmlDocument();
oDoc.Load(compStream);
compStream.Close();
stream.Close();
CatalogFolder oCatalogFolder = CatalogFolder.Parse(oDoc, out strEdition);
if (oCatalogFolder != null && strEdition == oServer.CacheVersion)
{
return(oCatalogFolder);
}
oDoc = null;
}
}
}
catch
{
oDoc = null;
if (File.Exists(strFile))
{
File.Delete(strFile);
}
}
}
if (oDoc == null)
{
try
{
if (!bAOIFilter && !bTextFilter)
{
oDoc = oServer.Command.GetCatalogHierarchy();
}
else if (!bAOIFilter && bTextFilter)
{
oDoc = oServer.Command.GetCatalogHierarchy(strSearchString);
}
else if (bAOIFilter && !bTextFilter)
{
oDoc = oServer.Command.GetCatalogHierarchy(oBounds);
}
else if (bAOIFilter && bTextFilter)
{
oDoc = oServer.Command.GetCatalogHierarchy(strSearchString, oBounds);
}
}
catch (DapException)
{
// Assume the server is older
bEntireCatalogMode = true;
return(null);
}
catch
{
oDoc = null;
}
if (oDoc == null)
{
// --- do something to disable server ---
#if !DAPPLE
m_oServerTree.NoResponseError();
#else
if (m_oServerTree != null)
{
m_oServerTree.NoResponseError(oServer);
}
#endif
return(null);
}
#if DAPPLE
// --- Looks like the server is online now ---
if (m_oServerTree != null)
{
m_oServerTree.ReenableServer(oServer);
}
#endif
CatalogFolder oCatalogFolder = CatalogFolder.Parse(oDoc, out strEdition);
if (oCatalogFolder == null)
{
// --- check to see if this is an unknown request ---
System.Xml.XmlNodeList oNodeList;
System.Xml.XmlNode oNode;
oNodeList = oDoc.SelectNodes("//" + Geosoft.Dap.Xml.Common.Constant.Tag.ERROR_TAG);
if (oNodeList != null && oNodeList.Count > 0)
{
oNode = oNodeList[0];
if (oNode != null && oNode.InnerText.ToLower() == "unknown request.")
{
bEntireCatalogMode = true;
}
}
}
else
{
if (strEdition != oServer.CacheVersion)
{
oServer.UpdateConfiguration();
return(null);
}
try
{
if (File.Exists(strFile))
{
File.Delete(strFile);
}
// --- Use GZip compression to disk ---
using (Stream stream = new FileStream(strFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
using (GZipStream compStream = new GZipStream(stream, CompressionMode.Compress, true))
{
XmlWriter writer = XmlWriter.Create(compStream);
oDoc.Save(writer);
compStream.Close();
stream.Close();
}
}
}
catch
{
}
return(oCatalogFolder);
}
}
return(null);
}
