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annotate OrthancServer/OrthancFindRequestHandler.cpp @ 565:c931ac02db82 find-move-scp

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refactoring of find class
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 18 Sep 2013 16:58:27 +0200
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2013 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32 #include "OrthancFindRequestHandler.h"
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33
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34 #include <glog/logging.h>
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35
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36 #include "../Core/DicomFormat/DicomArray.h"
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37
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38 namespace Orthanc
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39 {
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40 void OrthancFindRequestHandler::Handle(const DicomMap& input,
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41 DicomFindAnswers& answers)
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42 {
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43 LOG(WARNING) << "Find-SCU request received";
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44
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45 /**
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46 * Retrieve the query level.
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47 **/
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48
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49 const DicomValue* levelTmp = input.TestAndGetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL);
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50 if (levelTmp == NULL)
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51 {
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52 throw OrthancException(ErrorCode_BadRequest);
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53 }
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54
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55 ResourceType level = StringToResourceType(levelTmp->AsString().c_str());
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56
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57 if (level != ResourceType_Patient &&
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58 level != ResourceType_Study &&
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59 level != ResourceType_Series)
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60 {
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61 throw OrthancException(ErrorCode_NotImplemented);
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62 }
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63
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64
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65 /**
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66 * Retrieve the constraints of the query.
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67 **/
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68
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69 DicomArray query(input);
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70
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71 DicomMap constraintsTmp;
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72 DicomMap wildcardConstraintsTmp;
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73
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74 for (size_t i = 0; i < query.GetSize(); i++)
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75 {
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76 if (!query.GetElement(i).GetValue().IsNull() &&
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77 query.GetElement(i).GetTag() != DICOM_TAG_QUERY_RETRIEVE_LEVEL &&
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78 query.GetElement(i).GetTag() != DICOM_TAG_SPECIFIC_CHARACTER_SET)
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79 {
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80 DicomTag tag = query.GetElement(i).GetTag();
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81 std::string value = query.GetElement(i).GetValue().AsString();
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82
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83 if (value.find('*') != std::string::npos ||
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84 value.find('?') != std::string::npos ||
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85 value.find('\\') != std::string::npos ||
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86 value.find('-') != std::string::npos)
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87 {
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88 wildcardConstraintsTmp.SetValue(tag, value);
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89 }
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90 else
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91 {
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92 constraintsTmp.SetValue(tag, value);
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93 }
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94 }
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95 }
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96
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97 DicomArray constraints(constraintsTmp);
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98 DicomArray wildcardConstraints(wildcardConstraintsTmp);
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99
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100 // http://www.itk.org/Wiki/DICOM_QueryRetrieve_Explained
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101 // http://dicomiseasy.blogspot.be/2012/01/dicom-queryretrieve-part-i.html
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102
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103 constraints.Print(stdout);
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104 printf("\n"); fflush(stdout);
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105 wildcardConstraints.Print(stdout);
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106 printf("\n"); fflush(stdout);
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107 }
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108 }