/// <summary>
/// 构造函数
/// </summary>
/// <param name="instances">MetaConfigurationSourceInstanceElementCollection对象（集合）</param>
public BestFileNameMatchStrategy(MetaConfigurationSourceInstanceElementCollection instances)
{
if (instances == null)
{
throw new NullReferenceException("instances");
}
path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, AppDomain.CurrentDomain.FriendlyName);
path = FormatPath(path);
candidates = FileterPath(instances, false);
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="instances">MetaConfigurationSourceInstanceElementCollection对象（集合）</param>
public BestDirectoryMatchStrategy(MetaConfigurationSourceInstanceElementCollection instances)
{
if (instances == null)
{
throw new NullReferenceException("instances");
}
if (EnvironmentHelper.Mode == InstanceMode.Web)
{
this.path = HttpContext.Current.Request.Url.AbsoluteUri;
}
else
{
this.path = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
}
this.path = FormatPath(path);
this.candidates = FileterPath(instances, true);
}
/// <summary>
/// 依照路径类型（文件/目录）和格式筛选路径
/// </summary>
/// <param name="instances">MetaConfigurationSourceInstanceElementCollection</param>
/// <param name="isDirectory">是否目录</param>
/// <returns>KeyValuePair 中 Value 为 meta.config 文件, key 为application 路径</returns>
protected IList <KeyValuePair <string, string> > FileterPath(MetaConfigurationSourceInstanceElementCollection instances, bool isDirectory)
{
if ((instances == null) || (instances.Count <= 0))
{
return(null);
}
IList <KeyValuePair <string, string> > result = new List <KeyValuePair <string, string> >();
InstanceMode mode = EnvironmentHelper.Mode;
Uri pathAbsolute = null;
foreach (MetaConfigurationSourceInstanceElement instance in instances)
{
if ((instance == null) || (instance.Mappings == null) ||
(instance.Mappings.Count <= 0) || (instance.GetMode() != mode))
{
continue;
}
string metaConfig = FormatPath(instance.Path);
foreach (MetaConfigurationSourceMappingElement mapping in instance.Mappings)
{
string applicationPath = mapping.Application;
if (false == (isDirectory ^ IsDirectory(applicationPath)))
{
if (mode == InstanceMode.Web)
{
//当ｗｅｂ访问时，将路径都转化为通过相对路径进行匹配
if (pathAbsolute == null)
{
pathAbsolute = new Uri(path, UriKind.Absolute);
}
Uri appAbsolute = new Uri(applicationPath, UriKind.RelativeOrAbsolute);
if (appAbsolute.IsAbsoluteUri)
{
if (pathAbsolute.Scheme == appAbsolute.Scheme &&
pathAbsolute.Port == appAbsolute.Port &&
pathAbsolute.UserInfo == appAbsolute.UserInfo &&
pathAbsolute.Host == appAbsolute.Host &&
pathAbsolute.HostNameType == appAbsolute.HostNameType)
{
applicationPath = appAbsolute.GetComponents(UriComponents.PathAndQuery, UriFormat.Unescaped);
}
}
applicationPath = FormatPath(applicationPath);
}
else
{
applicationPath = FormatPath(Path.GetFullPath(applicationPath));
}
KeyValuePair <string, string> item = new KeyValuePair <string, string>(applicationPath, metaConfig);
result.Add(item);
}
}
}
return(result);
}