public XPathNavigator GetDocument(Uri uri)
{
XPathNavigator result;
if (docCache != null)
{
result = docCache [uri] as XPathNavigator;
if (result != null)
{
return(result.Clone());
}
}
else
{
docCache = new Hashtable();
}
XmlReader rdr = null;
try {
rdr = new XmlTextReader(uri.ToString(), (Stream)resolver.GetEntity(uri, null, null), root.NameTable);
XmlValidatingReader xvr = new XmlValidatingReader(rdr);
xvr.ValidationType = ValidationType.None;
result = new XPathDocument(xvr, XmlSpace.Preserve).CreateNavigator();
} finally {
if (rdr != null)
{
rdr.Close();
}
}
docCache [uri] = result.Clone();
return(result);
}
public static XPathNavigator LoadCacheFile(string file)
{
string key = "file:" + file;
System.Web.Caching.Cache cache = HttpContext.Current.Cache;
XPathNavigator nav = cache[key] as XPathNavigator;
if (nav != null)
{
return(nav.Clone());
}
try {
SandboxDownload(file);
using (TextReader r = new StreamReader(file))
nav = new XPathDocument(new XmlTextReader(r)).CreateNavigator();
} catch (ArgumentException e) {
throw new ArgumentException("Error loading " + file, e);
}
cache.Insert(key, nav, new System.Web.Caching.CacheDependency(file));
Console.Error.WriteLine("Caching: " + key);
return(nav.Clone());
}
public XPathNavigator GetDocument(Uri uri)
{
XPathNavigator xpathNavigator;
if (this.docCache != null)
{
xpathNavigator = (this.docCache[uri] as XPathNavigator);
if (xpathNavigator != null)
{
return xpathNavigator.Clone();
}
}
else
{
this.docCache = new Hashtable();
}
XmlReader xmlReader = null;
try
{
xmlReader = new XmlTextReader(uri.ToString(), (Stream)this.resolver.GetEntity(uri, null, null), this.root.NameTable);
xpathNavigator = new XPathDocument(new XmlValidatingReader(xmlReader)
{
ValidationType = ValidationType.None
}, XmlSpace.Preserve).CreateNavigator();
}
finally
{
if (xmlReader != null)
{
xmlReader.Close();
}
}
this.docCache[uri] = xpathNavigator.Clone();
return xpathNavigator;
}
