public static StreamCategoryExtractor GetExtractor(string source, Action<string, object[]> logger)
{
var trimmedSource = source == null ? null : source.Trim();
if (string.IsNullOrEmpty(source))
throw new InvalidOperationException(
"Cannot initialize categorization projection handler. "
+ "One symbol separator or configuration must be supplied in the source. "
+ ConfigurationFormatIs);
if (trimmedSource.Length == 1)
{
var separator = trimmedSource[0];
if (logger != null)
{
/*
logger(
String.Format(
"Categorize stream projection handler has been initialized with separator: '{0}'", separator));
*/
}
var extractor = new StreamCategoryExtractorByLastSeparator(separator);
return extractor;
}
var parts = trimmedSource.Split(new[] { '\n' });
if (parts.Length != 2)
throw new InvalidOperationException(
"Cannot initialize categorization projection handler. "
+ "Invalid configuration "
+ ConfigurationFormatIs);
var direction = parts[0].ToLowerInvariant().Trim();
if (direction != "first" && direction != "last")
throw new InvalidOperationException(
"Cannot initialize categorization projection handler. "
+ "Invalid direction specifier. Expected 'first' or 'last'. "
+ ConfigurationFormatIs);
var separatorLine = parts[1];
if (separatorLine.Length != 1)
throw new InvalidOperationException(
"Cannot initialize categorization projection handler. "
+ "Single separator expected. "
+ ConfigurationFormatIs);
switch (direction)
{
case "first":
return new StreamCategoryExtractorByFirstSeparator(separatorLine[0]);
case "last":
return new StreamCategoryExtractorByLastSeparator(separatorLine[0]);
default:
throw new Exception();
}
}
public static StreamCategoryExtractor GetExtractor(string source, Action <string, object[]> logger)
{
var trimmedSource = source == null ? null : source.Trim();
if (string.IsNullOrEmpty(source))
{
throw new InvalidOperationException(
"Cannot initialize categorization projection handler. "
+ "One symbol separator or configuration must be supplied in the source. "
+ ConfigurationFormatIs);
}
if (trimmedSource.Length == 1)
{
var separator = trimmedSource[0];
if (logger != null)
{
/*
* logger(
* String.Format(
* "Categorize stream projection handler has been initialized with separator: '{0}'", separator));
*/
}
var extractor = new StreamCategoryExtractorByLastSeparator(separator);
return(extractor);
}
var parts = trimmedSource.Split(new[] { '\n' });
if (parts.Length != 2)
{
throw new InvalidOperationException(
"Cannot initialize categorization projection handler. "
+ "Invalid configuration "
+ ConfigurationFormatIs);
}
var direction = parts[0].ToLowerInvariant().Trim();
if (direction != "first" && direction != "last")
{
throw new InvalidOperationException(
"Cannot initialize categorization projection handler. "
+ "Invalid direction specifier. Expected 'first' or 'last'. "
+ ConfigurationFormatIs);
}
var separatorLine = parts[1];
if (separatorLine.Length != 1)
{
throw new InvalidOperationException(
"Cannot initialize categorization projection handler. "
+ "Single separator expected. "
+ ConfigurationFormatIs);
}
switch (direction)
{
case "first":
return(new StreamCategoryExtractorByFirstSeparator(separatorLine[0]));
case "last":
return(new StreamCategoryExtractorByLastSeparator(separatorLine[0]));
default:
throw new Exception();
}
}
