private static bool TryGetJavaHome(RegistryView registryView, string vendor, string installation, out string javaHome)
{
javaHome = null;
string javaKeyName = "SOFTWARE\\" + vendor + "\\" + installation;
using (var baseKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, registryView))
{
using (RegistryKey javaKey = baseKey.OpenSubKey(javaKeyName))
{
if (javaKey == null)
{
return(false);
}
object currentVersion = javaKey.GetValue("CurrentVersion");
if (currentVersion == null)
{
return(false);
}
using (var homeKey = javaKey.OpenSubKey(currentVersion.ToString()))
{
if (homeKey == null || homeKey.GetValue("JavaHome") == null)
{
return(false);
}
javaHome = homeKey.GetValue("JavaHome").ToString();
return(!string.IsNullOrEmpty(javaHome));
}
}
}
}
internal RegistryKey(string name, RemoveType removeType, List <RegistryKey> keys, List <RegistryValue> values, Microsoft.Win32.RegistryView registryView)
{
KeyName = name;
_removeType = removeType;
Keys = new RegistryKeyCollection(keys);
Values = new RegistryValueCollection(values);
_registryView = registryView;
}
private static RegistryKey ReadRegistryKey(XmlReader reader)
{
Microsoft.Win32.RegistryView registryView = Microsoft.Win32.RegistryView.Default;
RemoveType removeType = RemoveType.No;
string name = string.Empty;
List <RegistryKey> keys = new List <RegistryKey>();
List <RegistryValue> values = new List <RegistryValue>();
while (reader.MoveToNextAttribute())
{
switch (reader.Name)
{
case KeyNameAttributeName:
name = reader.ReadContentAsString();
break;
case KeyRegistryViewAttributeName:
registryView = reader.ReadContentAsEnum <Microsoft.Win32.RegistryView>();
break;
case KeyRemoveTypeAttributeName:
removeType = reader.ReadContentAsEnum <RemoveType>();
break;
}
}
reader.MoveToElement();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.EndElement &&
string.Equals(KeyElementName, reader.Name))
{
break;
}
if (reader.NodeType != XmlNodeType.Element)
{
continue;
}
switch (reader.Name)
{
case KeyElementName:
RegistryKey registryKey = ReadRegistryKey(reader);
keys.Add(registryKey);
break;
case ValueElementName:
RegistryValue registryValue = ReadRegistryValue(reader);
values.Add(registryValue);
break;
}
}
RegistryKey registry = new RegistryKey(name, removeType, keys, values, registryView);
return(registry);
}
} // End Static Constructor
public static string GetDefaultInstance()
{
try
{
if (System.Environment.OSVersion.Platform != System.PlatformID.Unix)
{
Microsoft.Win32.RegistryView registryView = System.Environment.Is64BitOperatingSystem ?
Microsoft.Win32.RegistryView.Registry64 :
Microsoft.Win32.RegistryView.Registry32;
using (Microsoft.Win32.RegistryKey hklm = Microsoft.Win32.RegistryKey.OpenBaseKey(Microsoft.Win32.RegistryHive.LocalMachine, registryView))
{
Microsoft.Win32.RegistryKey instanceKey = hklm.OpenSubKey(@"SOFTWARE\Microsoft\Microsoft SQL Server\Instance Names\SQL", false);
if (instanceKey != null)
{
foreach (string instanceName in instanceKey.GetValueNames())
{
return(System.Environment.MachineName + @"\" + instanceName);
} // Next instanceName
} // End if (instanceKey != null)
} // End Using hklm
} // End if (System.Environment.OSVersion.Platform != System.PlatformID.Unix)
/*
* // using Microsoft.SqlServer.Management.Smo.Wmi;
* System.Data.Common.DbDataSourceEnumerator
* System.Data.DataTable dt = System.Data.SqlDataSourceEnumerator.Instance.GetDataSources();
* foreach (System.Data.DataRow row in dt.Rows)
* {
* foreach (System.Data.DataColumn col in dt.Columns)
* {
* System.Console.WriteLine("{0} = {1}", col.ColumnName, row[col]);
* }
* }
*
* Microsoft.SqlServer.Management.Smo.Wmi.ManagedComputer mc =
* new Microsoft.SqlServer.Management.Smo.Wmi.ManagedComputer();
*
* foreach (Microsoft.SqlServer.Management.Smo.Wmi.ServerInstance si in mc.ServerInstances)
* {
* System.Console.WriteLine("The installed instance name is " + si.Name);
* }
*/
}
catch (System.Exception e)
{
System.Console.WriteLine(e);
throw;
}
return(System.Environment.MachineName);
} // End Function GetDefaultInstance
private static bool TryGetJavaHome(string vendor, string installation, RegistryView registryView, out string javaHome)
{
Contract.Requires <ArgumentNullException>(vendor != null, "vendor");
Contract.Requires <ArgumentNullException>(installation != null, "installation");
Contract.Requires <ArgumentException>(!string.IsNullOrEmpty(vendor));
Contract.Requires <ArgumentException>(!string.IsNullOrEmpty(installation));
javaHome = null;
if (registryView == RegistryView.Registry64 && !Environment.Is64BitOperatingSystem)
{
// without this check, Registry64 defaults to returning values from the 32-bit registry.
return(false);
}
string javaKeyName = "SOFTWARE\\" + vendor + "\\" + installation;
using (var baseKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, registryView))
{
using (RegistryKey javaKey = baseKey.OpenSubKey(javaKeyName, RegistryKeyPermissionCheck.ReadSubTree))
{
if (javaKey == null)
{
return(false);
}
object currentVersion = javaKey.GetValue("CurrentVersion");
if (currentVersion == null)
{
return(false);
}
using (var homeKey = javaKey.OpenSubKey(currentVersion.ToString()))
{
if (homeKey == null || homeKey.GetValue("JavaHome") == null)
{
return(false);
}
javaHome = homeKey.GetValue("JavaHome").ToString();
return(!string.IsNullOrEmpty(javaHome));
}
}
}
}
private static bool TryFindJavaPath(string vendor, string installation, string fileName, RegistryView registryView, out string javaBinary)
{
javaBinary = null;
try
{
string javaHome;
if (TryGetJavaHome(vendor, installation, registryView, out javaHome))
{
string binary = Path.Combine(javaHome, "bin", fileName);
if (!File.Exists(binary))
return false;
javaBinary = binary;
return true;
}
return false;
}
catch (SecurityException)
{
return false;
}
}
private static bool TryGetJavaHome(RegistryView registryView, string vendor, string installation, out string javaHome)
{
javaHome = null;
string javaKeyName = "SOFTWARE\\" + vendor + "\\" + installation;
using (var baseKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, registryView))
{
using (RegistryKey javaKey = baseKey.OpenSubKey(javaKeyName))
{
if (javaKey == null)
return false;
object currentVersion = javaKey.GetValue("CurrentVersion");
if (currentVersion == null)
return false;
using (var homeKey = javaKey.OpenSubKey(currentVersion.ToString()))
{
if (homeKey == null || homeKey.GetValue("JavaHome") == null)
return false;
javaHome = homeKey.GetValue("JavaHome").ToString();
return !string.IsNullOrEmpty(javaHome);
}
}
}
}
public IRegistryKey OpenRemoteBaseKey(Microsoft.Win32.RegistryHive hKey, string machineName, Microsoft.Win32.RegistryView view)
{
return(RegistryKey.Wrap(Microsoft.Win32.RegistryKey.OpenRemoteBaseKey(hKey, machineName, view)));
}
public IRegistryKey OpenBaseKey(Microsoft.Win32.RegistryHive hKey, Microsoft.Win32.RegistryView view)
{
return(RegistryKey.Wrap(Microsoft.Win32.RegistryKey.OpenBaseKey(hKey, view)));
}
public IRegistryKey FromHandle(Microsoft.Win32.SafeHandles.SafeRegistryHandle handle, Microsoft.Win32.RegistryView view)
{
return(RegistryKey.Wrap(Microsoft.Win32.RegistryKey.FromHandle(handle, view)));
}
public static Microsoft.Win32.RegistryKey OpenRemoteBaseKey(Microsoft.Win32.RegistryHive hKey, string machineName, Microsoft.Win32.RegistryView view)
{
throw null;
}
public static Microsoft.Win32.RegistryKey OpenBaseKey(Microsoft.Win32.RegistryHive hKey, Microsoft.Win32.RegistryView view)
{
throw null;
}
public static string CreateStoragePath(Microsoft.Win32.RegistryHive hive, Microsoft.Win32.RegistryView view, string path, string name)
{
return($"reg:\\\\{view}:{hive}\\{path}\\{name}");
}
private static bool TryFindJavaPath(string vendor, string installation, string fileName, RegistryView registryView, out string javaBinary)
{
javaBinary = null;
try
{
string javaHome;
if (TryGetJavaHome(vendor, installation, registryView, out javaHome))
{
string binary = Path.Combine(javaHome, "bin", fileName);
if (!File.Exists(binary))
{
return(false);
}
javaBinary = binary;
return(true);
}
return(false);
}
catch (SecurityException)
{
return(false);
}
}
private static bool TryGetJavaHome(string vendor, string installation, RegistryView registryView, out string javaHome)
{
Contract.Requires<ArgumentNullException>(vendor != null, "vendor");
Contract.Requires<ArgumentNullException>(installation != null, "installation");
Contract.Requires<ArgumentException>(!string.IsNullOrEmpty(vendor));
Contract.Requires<ArgumentException>(!string.IsNullOrEmpty(installation));
javaHome = null;
if (registryView == RegistryView.Registry64 && !Environment.Is64BitOperatingSystem)
{
// without this check, Registry64 defaults to returning values from the 32-bit registry.
return false;
}
string javaKeyName = "SOFTWARE\\" + vendor + "\\" + installation;
using (var baseKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, registryView))
{
using (RegistryKey javaKey = baseKey.OpenSubKey(javaKeyName, RegistryKeyPermissionCheck.ReadSubTree))
{
if (javaKey == null)
return false;
object currentVersion = javaKey.GetValue("CurrentVersion");
if (currentVersion == null)
return false;
using (var homeKey = javaKey.OpenSubKey(currentVersion.ToString()))
{
if (homeKey == null || homeKey.GetValue("JavaHome") == null)
return false;
javaHome = homeKey.GetValue("JavaHome").ToString();
return !string.IsNullOrEmpty(javaHome);
}
}
}
}
public static Microsoft.Win32.RegistryKey FromHandle(Microsoft.Win32.SafeHandles.SafeRegistryHandle handle, Microsoft.Win32.RegistryView view)
{
return(default(Microsoft.Win32.RegistryKey));
}
public static Microsoft.Win32.RegistryKey OpenBaseKey(Microsoft.Win32.RegistryHive hKey, Microsoft.Win32.RegistryView view)
{
return(default(Microsoft.Win32.RegistryKey));
}
public static Microsoft.Win32.RegistryKey FromHandle(Microsoft.Win32.SafeHandles.SafeRegistryHandle handle, Microsoft.Win32.RegistryView view)
{
throw null;
}
