using System; using System.Collections.Generic; using System.Text; using System.Text.RegularExpressions; namespace MyDownloader.Core { [Serializable] public class ResourceLocation { #region Fields private string url; private bool authenticate; private string login; private string password; private Type protocolProviderType; private IProtocolProvider provider; #endregion #region Constructor public ResourceLocation() { } public static ResourceLocation FromURL(string url) { ResourceLocation rl = new ResourceLocation(); rl.URL = url; return rl; } public static ResourceLocation[] FromURLArray(string[] urls) { List<ResourceLocation> result = new List<ResourceLocation>(); for (int i = 0; i < urls.Length; i++) { if (IsURL(urls[i])) { result.Add(ResourceLocation.FromURL(urls[i])); } } return result.ToArray(); } public static ResourceLocation FromURL( string url, bool authenticate, string login, string password) { ResourceLocation rl = new ResourceLocation(); rl.URL = url; rl.Authenticate = authenticate; rl.Login = login; rl.Password = password; return rl; } #endregion #region Properties public string URL { get { return url; } set { url = value; BindProtocolProviderType(); } } public bool Authenticate { get { return authenticate; } set { authenticate = value; } } public string Login { get { return login; } set { login = value; } } public string Password { get { return password; } set { password = value; } } public string ProtocolProviderType { get { if (protocolProviderType == null) { return null; } return protocolProviderType.AssemblyQualifiedName; } set { if (value == null) { BindProtocolProviderType(); } else { protocolProviderType = Type.GetType(value); } } } #endregion #region Methods public IProtocolProvider GetProtocolProvider(Downloader downloader) { return BindProtocolProviderInstance(downloader); } public void BindProtocolProviderType() { provider = null; if (! String.IsNullOrEmpty(this.URL)) { protocolProviderType = ProtocolProviderFactory.GetProviderType(this.URL); } } public IProtocolProvider BindProtocolProviderInstance(Downloader downloader) { if (protocolProviderType == null) { BindProtocolProviderType(); } if (provider == null) { provider = ProtocolProviderFactory.CreateProvider(protocolProviderType, downloader); } return provider; } public ResourceLocation Clone() { return (ResourceLocation)this.MemberwiseClone(); } public override string ToString() { return this.URL; } public static bool IsURL(string url) { Match m = Regex.Match(url, @"(?<Protocol>\w+):\/\/(?<Domain>[\w.]+\/?)\S*"); if (m.ToString() != string.Empty) { return true; } return false; } #endregion } }
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