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comparison Framework/Volumes/StructureSetLoader.cpp @ 130:1982d6c1d2ff wasm

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IVolumeLoader
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 16 Nov 2017 13:46:03 +0100
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children e2fe9352f240
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129:a823122db53d 130:1982d6c1d2ff
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017 Osimis, Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "StructureSetLoader.h"
23
24 #include "../Toolbox/MessagingToolbox.h"
25
26 #include <Core/OrthancException.h>
27
28 namespace OrthancStone
29 {
30 class StructureSetLoader::Operation : public Orthanc::IDynamicObject
31 {
32 public:
33 enum Type
34 {
35 Type_LoadStructureSet,
36 Type_LookupSopInstanceUid,
37 Type_LoadReferencedSlice
38 };
39
40 private:
41 Type type_;
42 std::string value_;
43
44 public:
45 Operation(Type type,
46 const std::string& value) :
47 type_(type),
48 value_(value)
49 {
50 }
51
52 Type GetType() const
53 {
54 return type_;
55 }
56
57 const std::string& GetIdentifier() const
58 {
59 return value_;
60 }
61 };
62
63
64 void StructureSetLoader::NotifyError(const std::string& uri,
65 Orthanc::IDynamicObject* payload)
66 {
67 // TODO
68 }
69
70
71 void StructureSetLoader::NotifySuccess(const std::string& uri,
72 const void* answer,
73 size_t answerSize,
74 Orthanc::IDynamicObject* payload)
75 {
76 std::auto_ptr<Operation> op(dynamic_cast<Operation*>(payload));
77
78 switch (op->GetType())
79 {
80 case Operation::Type_LoadStructureSet:
81 {
82 OrthancPlugins::FullOrthancDataset dataset(answer, answerSize);
83 structureSet_.reset(new DicomStructureSet(dataset));
84
85 std::set<std::string> instances;
86 structureSet_->GetReferencedInstances(instances);
87
88 for (std::set<std::string>::const_iterator it = instances.begin();
89 it != instances.end(); ++it)
90 {
91 orthanc_.SchedulePostRequest(*this, "/tools/lookup", *it,
92 new Operation(Operation::Type_LookupSopInstanceUid, *it));
93 }
94
95 VolumeLoaderBase::NotifyGeometryReady();
96
97 break;
98 }
99
100 case Operation::Type_LookupSopInstanceUid:
101 {
102 Json::Value lookup;
103
104 if (MessagingToolbox::ParseJson(lookup, answer, answerSize))
105 {
106 if (lookup.type() != Json::arrayValue ||
107 lookup.size() != 1 ||
108 !lookup[0].isMember("Type") ||
109 !lookup[0].isMember("Path") ||
110 lookup[0]["Type"].type() != Json::stringValue ||
111 lookup[0]["ID"].type() != Json::stringValue ||
112 lookup[0]["Type"].asString() != "Instance")
113 {
114 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
115 }
116
117 const std::string& instance = lookup[0]["ID"].asString();
118 orthanc_.ScheduleGetRequest(*this, "/instances/" + instance + "/tags",
119 new Operation(Operation::Type_LoadReferencedSlice, instance));
120 }
121 else
122 {
123 // TODO
124 }
125
126 break;
127 }
128
129 case Operation::Type_LoadReferencedSlice:
130 {
131 OrthancPlugins::FullOrthancDataset dataset(answer, answerSize);
132
133 Orthanc::DicomMap slice;
134 MessagingToolbox::ConvertDataset(slice, dataset);
135 structureSet_->AddReferencedSlice(slice);
136
137 VolumeLoaderBase::NotifyContentChange();
138
139 break;
140 }
141
142 default:
143 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
144 }
145 }
146
147
148 StructureSetLoader::StructureSetLoader(IWebService& orthanc) :
149 orthanc_(orthanc)
150 {
151 }
152
153
154 void StructureSetLoader::ScheduleLoadInstance(const std::string& instance)
155 {
156 if (structureSet_.get() != NULL)
157 {
158 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
159 }
160 else
161 {
162 const std::string uri = "/instances/" + instance + "/tags?ignore-length=3006-0050";
163 orthanc_.ScheduleGetRequest(*this, uri, new Operation(Operation::Type_LoadStructureSet, instance));
164 }
165 }
166
167
168 DicomStructureSet& StructureSetLoader::GetStructureSet()
169 {
170 if (structureSet_.get() == NULL)
171 {
172 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
173 }
174 else
175 {
176 return *structureSet_;
177 }
178 }
179 }