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UnambiguousConverterMap.h
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1 /* ============================================================
2  *
3  * This file is part of the RSB project
4  *
5  * Copyright (C) 2011 Jan Moringen <jmoringe@techfak.uni-bielefeld.de>
6  *
7  * This file may be licensed under the terms of the
8  * GNU Lesser General Public License Version 3 (the ``LGPL''),
9  * or (at your option) any later version.
10  *
11  * Software distributed under the License is distributed
12  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
13  * express or implied. See the LGPL for the specific language
14  * governing rights and limitations.
15  *
16  * You should have received a copy of the LGPL along with this
17  * program. If not, go to http://www.gnu.org/licenses/lgpl.html
18  * or write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  * The development of this software was supported by:
22  * CoR-Lab, Research Institute for Cognition and Robotics
23  * Bielefeld University
24  *
25  * ============================================================ */
26 
27 #pragma once
28 
29 #include <stdexcept>
30 #include <map>
31 #include <string>
32 
33 #include <boost/format.hpp>
34 
35 #include <rsc/runtime/NoSuchObject.h>
36 #include <rsc/runtime/Printable.h>
37 
39 
40 namespace rsb {
41 namespace converter {
42 
51 template<typename WireType>
53 public:
55 
64  ConverterPtr getConverter(const std::string& key) const {
65  typename ConverterMap::const_iterator it = this->converters.find(key);
66  if (it == this->converters.end()) {
67  throw rsc::runtime::NoSuchObject(
68  boost::str(
69  boost::format(
70  "No converter for wire-schema or data-type `%1%'.\nAvailable converters: %2%")
71  % key % this->converters));
72  }
73  return it->second;
74  }
75 
87  void addConverter(const std::string& key, ConverterPtr converter) {
88  // TODO use RSB exception class, but do we have one for invalid argument?
89  if (this->converters.find(key) != this->converters.end()) {
90  throw std::invalid_argument(
91  boost::str(
92  boost::format(
93  "A converter is already stored for the key `%1%'")
94  % key));
95  }
96  this->converters.insert(std::make_pair(key, converter));
97  }
98 private:
99  typedef std::map<std::string, ConverterPtr> ConverterMap;
100 
102 
103  std::string getClassName() const {
104  return "UnambiguousConverterMap";
105  }
106 
107  void printContents(std::ostream& stream) const {
108  stream << "converters = " << this->converters;
109  }
110 };
111 
112 }
113 }