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HTTPMessage.cpp

//
// HTTPMessage.cpp
//
// $Id: //poco/1.2/Net/src/HTTPMessage.cpp#1 $
//
// Library: Net
// Package: HTTP
// Module:  HTTPMessage
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/Net/HTTPMessage.h"
#include "Poco/Net/MediaType.h"
#include "Poco/NumberFormatter.h"
#include "Poco/NumberParser.h"
#include "Poco/String.h"


using Poco::NumberFormatter;
using Poco::NumberParser;
using Poco::icompare;


namespace Poco {
namespace Net {


const std::string HTTPMessage::HTTP_1_0                   = "HTTP/1.0";
const std::string HTTPMessage::HTTP_1_1                   = "HTTP/1.1";
const std::string HTTPMessage::IDENTITY_TRANSFER_ENCODING = "identity";
const std::string HTTPMessage::CHUNKED_TRANSFER_ENCODING  = "chunked";
const int         HTTPMessage::UNKNOWN_CONTENT_LENGTH     = -1;
const std::string HTTPMessage::UNKNOWN_CONTENT_TYPE;
const std::string HTTPMessage::CONTENT_LENGTH             = "Content-Length";
const std::string HTTPMessage::CONTENT_TYPE               = "Content-Type";
const std::string HTTPMessage::TRANSFER_ENCODING          = "Transfer-Encoding";
const std::string HTTPMessage::CONNECTION                 = "Connection";
const std::string HTTPMessage::CONNECTION_KEEP_ALIVE      = "Keep-Alive";
const std::string HTTPMessage::CONNECTION_CLOSE           = "Close";


HTTPMessage::HTTPMessage():
      _version(HTTP_1_0)
{
}


00073 HTTPMessage::HTTPMessage(const std::string& version):
      _version(version)
{
}


00079 HTTPMessage::~HTTPMessage()
{
}


void HTTPMessage::setVersion(const std::string& version)
{
      _version = version;
}


00090 void HTTPMessage::setContentLength(int length)
{
      if (length != UNKNOWN_CONTENT_LENGTH)
            set(CONTENT_LENGTH, NumberFormatter::format(length));
      else
            erase(CONTENT_LENGTH);
}

      
00099 int HTTPMessage::getContentLength() const
{
      if (has(CONTENT_LENGTH))
            return NumberParser::parse(get(CONTENT_LENGTH));
      else
            return UNKNOWN_CONTENT_LENGTH;
}


00108 void HTTPMessage::setTransferEncoding(const std::string& transferEncoding)
{
      if (icompare(transferEncoding, IDENTITY_TRANSFER_ENCODING) == 0)
            erase(TRANSFER_ENCODING);
      else
            set(TRANSFER_ENCODING, transferEncoding);
}


00117 const std::string& HTTPMessage::getTransferEncoding() const
{
      if (has(TRANSFER_ENCODING))
            return get(TRANSFER_ENCODING);
      else
            return IDENTITY_TRANSFER_ENCODING;
}


00126 void HTTPMessage::setChunkedTransferEncoding(bool flag)
{
      if (flag)
            setTransferEncoding(CHUNKED_TRANSFER_ENCODING);
      else
            setTransferEncoding(IDENTITY_TRANSFER_ENCODING);
}

      
00135 bool HTTPMessage::getChunkedTransferEncoding() const
{
      return icompare(getTransferEncoding(), CHUNKED_TRANSFER_ENCODING) == 0;
}

      
00141 void HTTPMessage::setContentType(const std::string& mediaType)
{
      if (mediaType.empty())
            erase(CONTENT_TYPE);
      else
            set(CONTENT_TYPE, mediaType);
}


00150 void HTTPMessage::setContentType(const MediaType& mediaType)
{
      setContentType(mediaType.toString());
}

      
00156 const std::string& HTTPMessage::getContentType() const
{
      if (has(CONTENT_TYPE))
            return get(CONTENT_TYPE);
      else
            return UNKNOWN_CONTENT_TYPE;
}


00165 void HTTPMessage::setKeepAlive(bool keepAlive)
{
      if (keepAlive)
            set(CONNECTION, CONNECTION_KEEP_ALIVE);
      else
            set(CONNECTION, CONNECTION_CLOSE);
}


00174 bool HTTPMessage::getKeepAlive() const
{
      if (has(CONNECTION))
            return icompare(get(CONNECTION), CONNECTION_KEEP_ALIVE) == 0;
      else
            return getVersion() == HTTP_1_1;
}


} } // namespace Poco::Net

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