|
72
|
1 /**
|
|
|
2 * SPDX-FileCopyrightText: 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
|
|
|
3 * SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
4 */
|
|
|
5
|
|
|
6 /**
|
|
|
7 * STL plugin for Orthanc
|
|
|
8 * Copyright (C) 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
|
|
|
9 *
|
|
|
10 * This program is free software: you can redistribute it and/or
|
|
|
11 * modify it under the terms of the GNU General Public License as
|
|
|
12 * published by the Free Software Foundation, either version 3 of the
|
|
|
13 * License, or (at your option) any later version.
|
|
|
14 *
|
|
|
15 * This program is distributed in the hope that it will be useful, but
|
|
|
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
18 * General Public License for more details.
|
|
|
19 *
|
|
|
20 * You should have received a copy of the GNU General Public License
|
|
|
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
22 **/
|
|
|
23
|
|
|
24
|
|
|
25 #include "ResourcesCache.h"
|
|
|
26
|
|
|
27 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
|
|
|
28
|
|
|
29 #include <Compatibility.h>
|
|
|
30 #include <SystemToolbox.h>
|
|
|
31
|
|
|
32
|
|
|
33 // Forward declaration
|
|
|
34 void ReadStaticAsset(std::string& target,
|
|
|
35 const std::string& path);
|
|
|
36
|
|
|
37
|
|
|
38 class ResourcesCache::RestOutputHandler : public IHandler
|
|
|
39 {
|
|
|
40 private:
|
|
|
41 OrthancPluginRestOutput* output_;
|
|
|
42 std::string mime_;
|
|
|
43
|
|
|
44 public:
|
|
|
45 RestOutputHandler(OrthancPluginRestOutput* output,
|
|
|
46 const std::string& mime) :
|
|
|
47 output_(output),
|
|
|
48 mime_(mime)
|
|
|
49 {
|
|
|
50 }
|
|
|
51
|
|
|
52 virtual void Apply(const std::string& resource) ORTHANC_OVERRIDE
|
|
|
53 {
|
|
|
54 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output_,
|
|
|
55 resource.c_str(), resource.size(), mime_.c_str());
|
|
|
56 }
|
|
|
57 };
|
|
|
58
|
|
|
59
|
|
|
60 class ResourcesCache::StoreResourceIntoString : public IHandler
|
|
|
61 {
|
|
|
62 private:
|
|
|
63 std::string& target_;
|
|
|
64
|
|
|
65 public:
|
|
|
66 StoreResourceIntoString(std::string& target) :
|
|
|
67 target_(target)
|
|
|
68 {
|
|
|
69 }
|
|
|
70
|
|
|
71 virtual void Apply(const std::string& resource) ORTHANC_OVERRIDE
|
|
|
72 {
|
|
|
73 target_ = resource;
|
|
|
74 }
|
|
|
75 };
|
|
|
76
|
|
|
77
|
|
|
78 ResourcesCache::~ResourcesCache()
|
|
|
79 {
|
|
|
80 for (Content::iterator it = content_.begin(); it != content_.end(); ++it)
|
|
|
81 {
|
|
|
82 assert(it->second != NULL);
|
|
|
83 delete it->second;
|
|
|
84 }
|
|
|
85 }
|
|
|
86
|
|
|
87
|
|
|
88 void ResourcesCache::Apply(IHandler& handler,
|
|
|
89 const std::string& path)
|
|
|
90 {
|
|
|
91 {
|
|
|
92 // Check whether the cache already contains the resource
|
|
|
93 boost::shared_lock<boost::shared_mutex> lock(mutex_);
|
|
|
94
|
|
|
95 Content::const_iterator found = content_.find(path);
|
|
|
96
|
|
|
97 if (found != content_.end())
|
|
|
98 {
|
|
|
99 assert(found->second != NULL);
|
|
|
100 handler.Apply(*found->second);
|
|
|
101 return;
|
|
|
102 }
|
|
|
103 }
|
|
|
104
|
|
|
105 // This resource has not been cached yet
|
|
|
106
|
|
|
107 std::unique_ptr<std::string> item(new std::string);
|
|
|
108 ReadStaticAsset(*item, path);
|
|
|
109 handler.Apply(*item);
|
|
|
110
|
|
|
111 {
|
|
|
112 // Store the resource into the cache
|
|
|
113 boost::unique_lock<boost::shared_mutex> lock(mutex_);
|
|
|
114
|
|
|
115 if (content_.find(path) == content_.end())
|
|
|
116 {
|
|
|
117 content_[path] = item.release();
|
|
|
118 }
|
|
|
119 }
|
|
|
120 }
|
|
|
121
|
|
|
122
|
|
|
123 void ResourcesCache::Answer(OrthancPluginRestOutput* output,
|
|
|
124 const std::string& path)
|
|
|
125 {
|
|
|
126 const std::string mime = Orthanc::EnumerationToString(Orthanc::SystemToolbox::AutodetectMimeType(path));
|
|
|
127
|
|
|
128 RestOutputHandler handler(output, mime);
|
|
|
129 Apply(handler, path);
|
|
|
130 }
|
|
|
131
|
|
|
132
|
|
|
133 void ResourcesCache::ReadResource(std::string& target,
|
|
|
134 const std::string& path)
|
|
|
135 {
|
|
|
136 StoreResourceIntoString handler(target);
|
|
|
137 Apply(handler, path);
|
|
|
138 }
|
