Server/src/response.cpp

   1 // vim: set noexpandtab tabstop=4 shiftwidth=4:
   2 //----------------------------------------------------------------------------
   3 //                                  PlaQui
   4 //----------------------------------------------------------------------------
   5 // This file is part of PlaQui.
   6 //
   7 // PlaQui is free software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the Free Software
   9 // Foundation; either version 2 of the License, or (at your option) any later
  10 // version.
  11 //
  12 // PlaQui is distributed in the hope that it will be useful, but WITHOUT ANY
  13 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14 // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  15 // details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with PlaQui; if not, write to the Free Software Foundation, Inc., 59 Temple
  19 // Place, Suite 330, Boston, MA  02111-1307  USA
  20 //----------------------------------------------------------------------------
  21 // Creado:  lun nov 17 21:02:22 ART 2003
  22 // Autores: Leandro Lucarella <llucare@fi.uba.ar>
  23 //----------------------------------------------------------------------------
  24 //
  25 // $Id$
  26 //
  27
  28 #include "plaqui/server/response.h"
  29 #include "plaqui/server/string.h"
  30 #include <sstream>
  31 #ifdef DEBUG
  32 #       include <iostream>
  33 #endif // DEBUG
  34
  35 using namespace std;
  36
  37 namespace PlaQui {
  38
  39 namespace Server {
  40
  41 Response::~Response(void) {
  42 #ifdef DEBUG
  43         cerr << __FILE__ << "(" << __LINE__ << ")"
  44                 << ": destructor." << endl;
  45 #endif // DEBUG
  46 }
  47
  48 Response::Response(const Code& code, const string& desc):
  49                 xml_version("1.0"), xml_code(code), xml_description(desc) {
  50 #ifdef DEBUG
  51         cerr << __FILE__ << "(" << __LINE__ << ")"
  52                 << ": constructor(code = " << code << ", desc = " << desc << ");"
  53                 << endl;
  54 #endif // DEBUG
  55         headers["Content-Type"] = "text/xml; charset=iso-8859-1";
  56         build();
  57 }
  58
  59 Response::Response(const string& contents, const string& desc, const Code& code):
  60                 xml_version("1.0"), xml_code(code), xml_description(desc),
  61                 xml_contents(contents) {
  62 #ifdef DEBUG
  63         cerr << __FILE__ << "(" << __LINE__ << ")"
  64                 << ": constructor(body.length = " << contents.length()
  65                 << ", desc = " << desc << ", code = " << code << ");" << endl;
  66 #endif // DEBUG
  67         headers["Content-Type"] = "text/xml; charset=iso-8859-1";
  68         build();
  69 }
  70
  71 void Response::build(void) {
  72         String b;
  73         b.from(xml_code);
  74         b = string("<?xml version=\"1.0\" encoding=\"iso-8859-1\" ?>\n"
  75                         "<plaqui-response code=\"") + b + "\" version=\""
  76                         + xml_version + "\" ";
  77         if (xml_description.length()) {
  78                 b += "description=\"" + xml_description + "\" ";
  79         }
  80         if (xml_contents.length()) {
  81                 b += ">\n" + xml_contents + "\n</plaqui-response>\n";
  82         } else {
  83                 b += "/>\n";
  84         }
  85         set_body(b);
  86         switch (xml_code) {
  87                 case OK:
  88                         status_code = HTTPMessage::OK;
  89                         break;
  90                 case INVALID_TARGET:
  91                 case INVALID_COMMAND:
  92                 case CONNECTION_NOT_FOUND:
  93                 case TRANSMISSION_NOT_FOUND:
  94                 case PLANT_NOT_FOUND:
  95                 case ELEMENT_NOT_FOUND:
  96                 case ELEMENT_INPUT_NOT_FOUND:
  97                         status_code = HTTPMessage::INTERNAL_SERVER_ERROR;
  98                         break;
  99                 case ALLREADY_EXISTS:
 100                 case ARGUMENT_MISSING:
 101                         status_code = HTTPMessage::CONFLICT;
 102                         break;
 103                 case UNKNOWN_ERROR:
 104                 case ERROR_STARTING_TRANSMISSION:
 105                 case ERROR_GETING_PLANT_XML:
 106                 case ERROR_CHANGING_ELEMENT_INPUT:
 107                         status_code = HTTPMessage::INTERNAL_SERVER_ERROR;
 108                         break;
 109                 default:
 110                         status_code = HTTPMessage::INTERNAL_SERVER_ERROR;
 111                         break;
 112         }
 113 }
 114
 115 const string& Response::get_version(void) const {
 116         return xml_version;
 117 }
 118
 119 const string& Response::set_version(const string& version_) {
 120         xml_version = version_;
 121         build();
 122         return version_;
 123 }
 124
 125 const Response::Code& Response::get_code(void) const {
 126         return xml_code;
 127 }
 128
 129 const Response::Code& Response::set_code(const Response::Code& code_) {
 130         xml_code = code_;
 131         build();
 132         return code_;
 133 }
 134
 135 const string& Response::get_description(void) const {
 136         return xml_description;
 137 }
 138
 139 const string& Response::set_description(const string& description_) {
 140         xml_description = description_;
 141         build();
 142         return description_;
 143 }
 144
 145 const string& Response::get_contents(void) const {
 146         return xml_contents;
 147 }
 148
 149 const string& Response::set_contents(const string& contents_) {
 150         xml_contents = contents_;
 151         build();
 152         return contents_;
 153 }
 154
 155 istream& operator>>(istream& is, Response& resp)
 156                 throw (HTTPResponse::Error, ios::failure, sockerr,
 157                                 xmlpp::parse_error) {
 158 #ifdef DEBUG
 159         cerr << __FILE__ << "(" << __LINE__ << ")" << ": operator>>()" << endl;
 160 #endif // DEBUG
 161         is >> static_cast<HTTPResponse&>(resp);
 162         if (resp.get_body().length()) {
 163                 Response::Parser(resp).parse_memory(resp.get_body());
 164         }
 165         resp.build();
 166         return is;
 167 }
 168
 169 ostream& operator<<(ostream& os, const Response& resp) {
 170 #ifdef DEBUG
 171         cerr << __FILE__ << "(" << __LINE__ << ")" << ": operator<<()" << endl;
 172 #endif // DEBUG
 173         os << static_cast<const HTTPResponse&>(resp);
 174         return os;
 175 }
 176
 177 } // namespace Server
 178
 179 } // namespace PlaQui
 180