public PluginConfigrationProvider(PluginFactoryConfigration configration)
{
if (configration == null)
{
throw new ArgumentNullException(nameof(configration));
}
Type pluginType = typeof(TPlugin);
string configKey = typeof(TPlugin).FullName;
var section = configration.Configuration.GetSection(configKey);
if (!section.Exists())
{
// 内嵌类型，将+号替换为.
configKey = configKey.Replace("+", ".");
section = configration.Configuration.GetSection(configKey);
}
var attr = pluginType.GetCustomAttributes(typeof(PluginAttribute), false).OfType <PluginAttribute>().FirstOrDefault();
IConfigurationSection aliasSection = null;
if (attr != null && !String.IsNullOrEmpty(attr.Alias))
{
configKey = attr.Alias;
var section2 = configration.Configuration.GetSection(configKey);
if (section2.Exists())
{
aliasSection = section2;
}
}
// 共享配置
var shareSection = configration.Configuration.GetSection(DEFAULT_SHARE_KEY);
// 合并多个配置
IConfigurationSection[] configList = new IConfigurationSection[]
{
// 共享配置可以被覆盖
shareSection, section, aliasSection
};
if (configList.Count(x => x != null && x.Exists()) > 1)
{
var cb = new ConfigurationBuilder();
configList.All(s =>
{
if (s != null && s.Exists())
{
cb.AddConfiguration(s);
}
return(true);
});
Configuration = cb.Build();
}
else
{
Configuration = configList.FirstOrDefault(x => x != null && x.Exists());
if (Configuration == null)
{
Configuration = section;
}
}
}