public virtual bool CanHandle(string connectionString)
{
var tokens = new DbConnectionStringBuilder();
try
{ tokens.ConnectionString = connectionString; }
catch
{ return(false); }
var api = tokens.Get(Api, string.Empty);
return(StringComparer.InvariantCultureIgnoreCase.Compare(api, "elasticsearch") == 0);
}
public static bool TryGet(this DbConnectionStringBuilder builder, string[] candidateKeys, out string key, out string value)
{
foreach (var candidateKey in candidateKeys)
{
value = builder.Get(candidateKey);
if (!string.IsNullOrEmpty(value))
{
key = candidateKey;
return(true);
}
}
key = null;
value = null;
return(false);
}
public virtual ElasticsearchClientOption Execute(string connectionString)
{
var tokens = new DbConnectionStringBuilder()
{
ConnectionString = connectionString
};
var option = new ElasticsearchClientOption(connectionString)
{
Hostname = tokens.TryGet(Hostname, out string host) ? host : throw new ArgumentException("Hostname is mandatory for an Elasticsearch connection string"),
Port = tokens.Get(Port, 9200)
};
if (tokens.TryGet(Username, out string username) ^ tokens.TryGet(Password, out string password))
{
throw new ArgumentException("username and password must be both filled or none of them must be filled");
}
option.Username = username;
option.Password = password;
return(option);
}
}