private void Configure()
{
const string mainFileName = "application.config";
const string prefix = "application-";
const string suffix = ".config";
string envFileName = prefix + RuntimeEnvironment.GetApplicationEnvironmentName(_environment) + suffix;
string hostFileName = prefix + RuntimeEnvironment.HostName + suffix;
LoadApplicationPropertyPath();
// Read property files as follows (for more details see "GuideToLinkMeConfiguration" on the Wiki):
// 1) Embedded "application.config"
// 2) Embedded "application-ENV.config" (the same setting must not be defined in 1 and 2).
// 3) externalPropertyPath\"application-ENV.config" (overrides whatever is defined in 1 and 2.
// 4) externalPropertyPath\"application-HOSTNAME.config" (overrides whatever is defined in 1 and 2, but
// the same setting must not be defined in 3 and 4).
// 5) sourceRootPath\config\"application-ENV.config" (overrides whatever is defined in 1, 2, 3 and 4.
// 6) sourceRootPath\config\"application-HOSTNAME.config" (overrides whatever is defined in
// 1, 2, 3 and 4, but the same setting must not be defined in 5 and 6).
_sources = new SortedList <string, string>();
IDictionary <string, string> embeddedMain = LoadEmbeddedProperties(mainFileName); // 1
IDictionary <string, string> embeddedEnv = LoadEmbeddedProperties(envFileName); // 2
string[] overridden;
IDictionary <string, string> tempProperties = CombineProperties(embeddedMain, embeddedEnv,
out overridden);
if (overridden != null)
{
throw new ApplicationException(string.Format("The following configuration properties"
+ " were defined in both '{0}' (embedded) and '{1}' (embedded): '{2}'. A given"
+ " property is either environment-specific or not, so it must be defined either in"
+ " '{0}' or in EACH of the environment-specific files.", mainFileName, envFileName,
string.Join("', '", overridden)));
}
IDictionary <string, string> externalProperties = GetExternalProperties(RuntimeEnvironment.HostName,
_externalPropertyPath, envFileName, hostFileName); // 3 + 4
// Combine the embedded and external properties into (external config files override the
// embedded ones).
_properties = CombineProperties(tempProperties, externalProperties, out overridden);
var sourceFolder = RuntimeEnvironment.GetSourceFolder();
if (sourceFolder != null)
{
string sourceConfigPath = Path.Combine(sourceFolder, "config");
IDictionary <string, string> sourceProperties = GetExternalProperties(
RuntimeEnvironment.HostName, sourceConfigPath, envFileName, hostFileName); // 5 + 6
// Add in the the properties under <source root>\config, overriding anything else.
string[] dummy;
_properties = CombineProperties(_properties, sourceProperties, out dummy);
}
}