WebDavSharp/WebDavSharp_MVC/WebDAVSharp.Server/MethodHandlers/WebDavGetMethodHandler.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Web;
using WebDAVSharp.Server.Adapters;
using WebDAVSharp.Server.Exceptions;
using WebDAVSharp.Server.Stores;
namespace WebDAVSharp.Server.MethodHandlers {
/// <summary>
/// This class implements the <c>GET</c> HTTP method for WebDAV#.
/// </summary>
internal sealed class WebDavGetMethodHandler : WebDavMethodHandlerBase, IWebDavMethodHandler {
/// <summary>
/// Gets the collection of the names of the verbs handled by this instance.
/// </summary>
/// <value>
/// The names.
/// </value>
public IEnumerable<string> Names {
get {
return new[]
{
"GET"
};
}
}
/// <summary>
/// Processes the request.
/// </summary>
/// <param name="server">The <see cref="WebDavServer" /> through which the request came in from the client.</param>
/// <param name="context">The
/// <see cref="IHttpListenerContext" /> object containing both the request and response
/// objects to use.</param>
/// <param name="store">The <see cref="IWebDavStore" /> that the <see cref="WebDavServer" /> is hosting.</param>
/// <exception cref="WebDAVSharp.Server.Exceptions.WebDavNotFoundException"></exception>
/// <exception cref="WebDavNotFoundException"><para>
/// <paramref name="context" /> specifies a request for a store item that does not exist.</para>
/// <para>- or -</para>
/// <para>
/// <paramref name="context" /> specifies a request for a store item that is not a document.</para></exception>
/// <exception cref="WebDavConflictException"><paramref name="context" /> specifies a request for a store item using a collection path that does not exist.</exception>
public void ProcessRequest(WebDavServer server, HttpContext context, IWebDavStore store, String fileName) {
IWebDavStoreCollection collection = GetParentCollection(server, store, fileName);
IWebDavStoreItem item = GetItemFromCollection(collection, fileName);
IWebDavStoreDocument doc = item as IWebDavStoreDocument;
if (doc == null)
throw new WebDavNotFoundException();
long docSize = doc.Size;
if (docSize == 0) {
context.Response.StatusCode = (int)HttpStatusCode.OK;
//context.Response.ContentLength64 = 0;
}
using (Stream stream = doc.OpenReadStream()) {
context.Response.StatusCode = (int)HttpStatusCode.OK;
//if (docSize > 0)
// context.Response.ContentLength64 = docSize;
byte[] buffer = new byte[4096];
int inBuffer;
while ((inBuffer = stream.Read(buffer, 0, buffer.Length)) > 0)
context.Response.OutputStream.Write(buffer, 0, inBuffer);
}
//context.Response.Close();
}
}
}