Reintroduce BUrlResult and add BDataRequest

* BUrlResult is back, with ContentType and Length methods.
* BHttpResult subclasses it and use HTTP header fields to implement
those
* Introduce BDataRequest for "data" URIs. These embed the data inside
the URI, either as plaintext or base64 encoded.

headers/os/net/DataRequest.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2013 Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *		Adrien Destugues, [email protected]
+ */
+
+
+#ifndef _B_DATA_REQUEST_H_
+#define _B_DATA_REQUEST_H_
+
+
+#include <UrlRequest.h>
+
+
+class BDataRequest: public BUrlRequest {
+public:
+							BDataRequest(const BUrl& url,
+								BUrlProtocolListener* listener = NULL,
+								BUrlContext* context = NULL);
+		const BUrlResult&	Result() const;
+private:
+		status_t			_ProtocolLoop();	
+private:
+		BUrlResult			fResult;
+};
+
+#endif

headers/os/net/FileRequest.h

@@ -19,10 +19,13 @@ public:
 									BUrlContext* context = NULL);
 	virtual						~BFileRequest();
 
+	const 	BUrlResult&			Result() const;
             void                SetDisableListener(bool disable);
 
 private:
 			status_t			_ProtocolLoop();
+private:
+			BUrlResult			fResult;
 };
 
 

headers/os/net/HttpRequest.h

@@ -47,7 +47,7 @@ public:
 									const ssize_t size = -1);
             void                AdoptHeaders(BHttpHeaders* const headers);
 
-			const BHttpResult&	Result() const;
+			const BUrlResult&	Result() const;
 			const char*			StatusString(status_t threadStatus) const;
 
 	static	bool				IsInformationalStatusCode(int16 code);

headers/os/net/HttpResult.h

@@ -2,22 +2,22 @@
  * Copyright 2010 Haiku Inc. All rights reserved.
  * Distributed under the terms of the MIT License.
  */
-#ifndef _B_URL_RESULT_H_
-#define _B_URL_RESULT_H_
+#ifndef _B_HTTP_RESULT_H_
+#define _B_HTTP_RESULT_H_
 
 
 #include <iostream>
 
-#include <DataIO.h>
 #include <HttpHeaders.h>
 #include <String.h>
 #include <Url.h>
+#include <UrlResult.h>
 
 
 class BUrlRequest;
 
 
-class BHttpResult {
+class BHttpResult: public BUrlResult {
 			friend class 				BHttpRequest;
 			
 public:
@@ -30,6 +30,8 @@ public:
 		
 	// Result parameters access
 			const BUrl&					Url() const;
+			BString						ContentType() const;
+			size_t						Length() const;
 
 	// HTTP-Specific stuff
 			const BHttpHeaders&			Headers() const;
@@ -45,7 +47,6 @@ public:
 private:
 			BUrl						fUrl;
 			
-			// TODO: HTTP specific stuff should not live here.
 			BHttpHeaders 				fHeaders;
 			int32						fStatusCode;
 			BString						fStatusString;

headers/os/net/UrlRequest.h

@@ -9,6 +9,7 @@
 #include <Url.h>
 #include <UrlContext.h>
 #include <UrlProtocolListener.h>
+#include <UrlResult.h>
 #include <OS.h>
 
 
@@ -43,6 +44,7 @@ public:
 			status_t				Status() const;
 	virtual const char*				StatusString(status_t threadStatus)
 										const;
+	virtual const BUrlResult&		Result() const = 0;
 
 
 protected:

headers/os/net/UrlResult.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010 Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _B_URL_RESULT_H_
+#define _B_URL_RESULT_H_
+
+
+#include <String.h>
+
+
+class BUrlResult {
+public:
+	virtual					~BUrlResult();
+			void			SetContentType(BString contentType);
+			void			SetLength(size_t length);
+
+	virtual	BString			ContentType() const;
+	virtual size_t			Length() const;
+
+private:
+			BString			fContentType;
+			BString			fCharset;
+			size_t			fLength;
+};
+
+#endif