Mercurial > hg > orthanc-java
annotate Plugin/Plugin.cpp @ 5:c8f19e93ff99
reorganization
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 19 Oct 2023 08:49:07 +0200 |
| parents | 9032ffb3a7d5 |
| children | b14ed1ea3a23 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * SPDX-FileCopyrightText: 2023 Sebastien Jodogne, UCLouvain, Belgium | |
| 3 * SPDX-License-Identifier: GPL-3.0-or-later | |
| 4 */ | |
| 5 | |
| 6 /** | |
| 7 * Java plugin for Orthanc | |
| 8 * Copyright (C) 2023 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 | |
| 5 | 25 #include "JavaEnvironment.h" |
| 26 #include "JavaVirtualMachine.h" | |
| 27 | |
| 0 | 28 #include <orthanc/OrthancCPlugin.h> |
| 29 | |
| 30 #include <cassert> | |
| 31 #include <iostream> | |
| 32 #include <jni.h> | |
| 33 #include <list> | |
| 34 #include <map> | |
| 35 #include <memory> | |
| 36 #include <set> | |
| 37 #include <stdexcept> | |
| 38 #include <vector> | |
| 39 | |
| 40 #include <json/reader.h> | |
| 41 | |
| 42 #include "Mutex.h" | |
| 43 | |
| 5 | 44 OrthancPluginContext* context_ = NULL; |
| 0 | 45 |
| 46 static std::unique_ptr<JavaVirtualMachine> java_; | |
| 47 | |
| 48 | |
| 49 | |
| 50 class JavaString : public NonCopyable | |
| 51 { | |
| 52 private: | |
| 53 JNIEnv* env_; | |
| 54 jstring javaStr_; | |
| 55 const char* cStr_; | |
| 56 jboolean isCopy_; | |
| 57 | |
| 58 public: | |
| 59 JavaString(JNIEnv* env, | |
| 60 jstring javaStr) : | |
| 61 env_(env), | |
| 62 javaStr_(javaStr) | |
| 63 { | |
| 64 if (env == NULL || | |
| 65 javaStr == NULL) | |
| 66 { | |
| 67 throw std::runtime_error("Null pointer"); | |
| 68 } | |
| 69 | |
| 70 cStr_ = env_->GetStringUTFChars(javaStr_, &isCopy_); | |
| 71 if (cStr_ == NULL) | |
| 72 { | |
| 73 throw std::runtime_error("Cannot read string"); | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 ~JavaString() | |
| 78 { | |
| 79 /** | |
| 80 * "The ReleaseString-Chars call is necessary whether | |
| 81 * GetStringChars has set isCopy to JNI_TRUE or JNI_FALSE." | |
| 82 * https://stackoverflow.com/a/5863081 | |
| 83 **/ | |
| 84 env_->ReleaseStringUTFChars(javaStr_, cStr_); | |
| 85 } | |
| 86 | |
| 87 const char* GetValue() const | |
| 88 { | |
| 89 return cStr_; | |
| 90 } | |
| 91 }; | |
| 92 | |
| 93 | |
| 94 class JavaBytes : public NonCopyable | |
| 95 { | |
| 96 private: | |
| 97 JNIEnv* env_; | |
| 98 jbyteArray bytes_; | |
| 99 jbyte* data_; | |
| 100 jsize size_; | |
| 101 jboolean isCopy_; | |
| 102 | |
| 103 public: | |
| 104 JavaBytes(JNIEnv* env, | |
| 105 jbyteArray bytes) : | |
| 106 env_(env), | |
| 107 bytes_(bytes) | |
| 108 { | |
| 109 if (env == NULL || | |
| 110 bytes == NULL) | |
| 111 { | |
| 112 throw std::runtime_error("Null pointer"); | |
| 113 } | |
| 114 | |
| 115 size_ = env->GetArrayLength(bytes); | |
| 116 | |
| 117 if (size_ == 0) | |
| 118 { | |
| 119 data_ = NULL; | |
| 120 } | |
| 121 else | |
| 122 { | |
| 123 data_ = env->GetByteArrayElements(bytes_, &isCopy_); | |
| 124 if (data_ == NULL) | |
| 125 { | |
| 126 throw std::runtime_error("Cannot read array of bytes"); | |
| 127 } | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 ~JavaBytes() | |
| 132 { | |
| 133 if (size_ > 0) | |
| 134 { | |
| 135 env_->ReleaseByteArrayElements(bytes_, data_, 0); | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 const void* GetData() const | |
| 140 { | |
| 141 return data_; | |
| 142 } | |
| 143 | |
| 144 size_t GetSize() const | |
| 145 { | |
| 146 return size_; | |
| 147 } | |
| 148 }; | |
| 149 | |
| 150 | |
| 151 class OrthancString : public NonCopyable | |
| 152 { | |
| 153 private: | |
| 154 char* str_; | |
| 155 | |
| 156 public: | |
| 157 OrthancString(char* str) : | |
| 158 str_(str) | |
| 159 { | |
| 160 } | |
| 161 | |
| 162 ~OrthancString() | |
| 163 { | |
| 164 if (str_ != NULL) | |
| 165 { | |
| 166 OrthancPluginFreeString(context_, str_); | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 const char* GetValue() const | |
| 171 { | |
| 172 return str_; | |
| 173 } | |
| 174 }; | |
| 175 | |
| 176 | |
| 177 class OrthancBytes : public NonCopyable | |
| 178 { | |
| 179 private: | |
| 180 OrthancPluginMemoryBuffer buffer_; | |
| 181 | |
| 182 public: | |
| 183 OrthancBytes() | |
| 184 { | |
| 185 buffer_.data = NULL; | |
| 186 buffer_.size = 0; | |
| 187 } | |
| 188 | |
| 189 ~OrthancBytes() | |
| 190 { | |
| 191 OrthancPluginFreeMemoryBuffer(context_, &buffer_); | |
| 192 } | |
| 193 | |
| 194 OrthancPluginMemoryBuffer* GetMemoryBuffer() | |
| 195 { | |
| 196 return &buffer_; | |
| 197 } | |
| 198 | |
| 199 const void* GetData() const | |
| 200 { | |
| 201 return buffer_.data; | |
| 202 } | |
| 203 | |
| 204 size_t GetSize() const | |
| 205 { | |
| 206 return buffer_.size; | |
| 207 } | |
| 208 }; | |
| 209 | |
| 210 | |
| 211 class JavaGlobalReference : public NonCopyable | |
| 212 { | |
| 213 private: | |
| 214 JavaVirtualMachine& jvm_; | |
| 215 jobject obj_; | |
| 216 | |
| 217 public: | |
| 218 JavaGlobalReference(JavaVirtualMachine& jvm, | |
| 219 jobject obj) : | |
| 220 jvm_(jvm), | |
| 221 obj_(NULL) | |
| 222 { | |
| 223 if (obj == NULL) | |
| 224 { | |
| 225 throw std::runtime_error("Null pointer"); | |
| 226 } | |
| 227 | |
| 228 JavaEnvironment env(jvm); | |
| 229 | |
| 230 obj_ = env.GetValue().NewGlobalRef(obj); | |
| 231 if (obj_ == NULL) | |
| 232 { | |
| 233 throw std::runtime_error("Cannot create global reference"); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 ~JavaGlobalReference() | |
| 238 { | |
| 239 assert(obj_ != NULL); | |
| 240 | |
| 241 try | |
| 242 { | |
| 243 JavaEnvironment env(jvm_); | |
| 244 env.GetValue().DeleteGlobalRef(obj_); | |
| 245 } | |
| 246 catch (std::runtime_error& e) | |
| 247 { | |
| 248 OrthancPluginLogError(context_, e.what()); | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 jobject GetValue() | |
| 253 { | |
| 254 assert(obj_ != NULL); | |
| 255 return obj_; | |
| 256 } | |
| 257 }; | |
| 258 | |
| 259 | |
| 260 class LocalJavaObject : public NonCopyable | |
| 261 { | |
| 262 private: | |
| 263 JNIEnv* env_; | |
| 264 jobject obj_; | |
| 265 | |
| 266 public: | |
| 267 LocalJavaObject(JavaEnvironment& env, | |
| 268 jobject obj, | |
| 269 bool objCanBeNull = false) : | |
| 270 env_(&env.GetValue()), | |
| 271 obj_(obj) | |
| 272 { | |
| 273 if (!objCanBeNull && obj == NULL) | |
| 274 { | |
| 275 throw std::runtime_error("Null pointer"); | |
| 276 } | |
| 277 } | |
| 278 | |
| 279 ~LocalJavaObject() | |
| 280 { | |
| 281 env_->DeleteLocalRef(obj_); | |
| 282 } | |
| 283 | |
| 284 jobject GetValue() | |
| 285 { | |
| 286 return obj_; | |
| 287 } | |
| 288 | |
| 289 static LocalJavaObject* CreateArrayOfStrings(JavaEnvironment& env, | |
| 290 const std::vector<std::string>& items) | |
| 291 { | |
| 292 LocalJavaObject emptyString(env, env.GetValue().NewStringUTF("")); | |
| 293 | |
| 294 jobjectArray obj = env.GetValue().NewObjectArray( | |
| 295 items.size(), env.GetValue().FindClass("java/lang/String"), | |
| 296 emptyString.GetValue()); | |
| 297 | |
| 298 if (obj == NULL) | |
| 299 { | |
| 300 throw std::runtime_error("Cannot create an array of Java strings"); | |
| 301 } | |
| 302 else | |
| 303 { | |
| 304 std::unique_ptr<LocalJavaObject> result(new LocalJavaObject(env, obj)); | |
| 305 | |
| 306 for (size_t i = 0; i < items.size(); i++) | |
| 307 { | |
| 308 LocalJavaObject item(env, env.GetValue().NewStringUTF(items[i].c_str())); | |
| 309 env.GetValue().SetObjectArrayElement(obj, i, item.GetValue()); | |
| 310 } | |
| 311 | |
| 312 return result.release(); | |
| 313 } | |
| 314 } | |
| 315 | |
| 316 static LocalJavaObject* CreateDictionary(JavaEnvironment& env, | |
| 317 const std::map<std::string, std::string>& items) | |
| 318 { | |
| 319 // NB: In JNI, there are no generics. All the templated arguments | |
| 320 // are taken as instances of the "Object" base class. | |
| 321 | |
| 322 jclass cls = env.FindClass("java/util/HashMap"); | |
| 323 jmethodID constructor = env.GetMethodID(cls, "<init>", "()V"); | |
| 324 jmethodID setter = env.GetMethodID(cls, "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); | |
| 325 jobject obj = env.GetValue().NewObject(cls, constructor); | |
| 326 | |
| 327 if (obj == NULL) | |
| 328 { | |
| 329 throw std::runtime_error("Cannot create a Java dictionary"); | |
| 330 } | |
| 331 else | |
| 332 { | |
| 333 std::unique_ptr<LocalJavaObject> result(new LocalJavaObject(env, obj)); | |
| 334 | |
| 335 for (std::map<std::string, std::string>::const_iterator it = items.begin(); it != items.end(); ++it) | |
| 336 { | |
| 337 LocalJavaObject key(env, env.GetValue().NewStringUTF(it->first.c_str())); | |
| 338 LocalJavaObject value(env, env.GetValue().NewStringUTF(it->second.c_str())); | |
| 339 LocalJavaObject previousValue(env, env.GetValue().CallObjectMethod(obj, setter, key.GetValue(), value.GetValue()), true); | |
| 340 env.CheckException(); | |
| 341 } | |
| 342 | |
| 343 return result.release(); | |
| 344 } | |
| 345 } | |
| 346 }; | |
| 347 | |
| 348 | |
| 349 | |
| 350 #include "NativeSDK.cpp" | |
| 351 | |
| 352 | |
| 353 | |
| 354 #define MAX_REST_CALLBACKS 10 | |
| 355 | |
| 356 class CallbacksConfiguration : public NonCopyable | |
| 357 { | |
| 358 private: | |
| 359 Mutex mutex_; | |
| 360 std::list<JavaGlobalReference*> onChangeCallbacks_; | |
| 361 std::vector<JavaGlobalReference*> onRestRequestCallbacks_; | |
| 362 | |
| 363 static void DestructCallbacks(std::list<JavaGlobalReference*>& lst) | |
| 364 { | |
| 365 for (std::list<JavaGlobalReference*>::iterator it = lst.begin(); it != lst.end(); ++it) | |
| 366 { | |
| 367 assert(*it != NULL); | |
| 368 delete *it; | |
| 369 } | |
| 370 } | |
| 371 | |
| 372 static void DestructCallbacks(std::vector<JavaGlobalReference*>& v) | |
| 373 { | |
| 374 for (size_t i = 0; i < v.size(); i++) | |
| 375 { | |
| 376 assert(v[i] != NULL); | |
| 377 delete v[i]; | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 void CopyCallbacks(std::list<jobject>& target, | |
| 382 const std::list<JavaGlobalReference*>& lst) | |
| 383 { | |
| 384 Mutex::Locker locker(mutex_); | |
| 385 target.clear(); | |
| 386 | |
| 387 for (std::list<JavaGlobalReference*>::const_iterator it = lst.begin(); it != lst.end(); ++it) | |
| 388 { | |
| 389 assert(*it != NULL); | |
| 390 target.push_back((*it)->GetValue()); | |
| 391 } | |
| 392 } | |
| 393 | |
| 394 void AddCallback(std::list<JavaGlobalReference*>& lst, | |
| 395 JavaVirtualMachine& jvm, | |
| 396 jobject callback) | |
| 397 { | |
| 398 if (callback == NULL) | |
| 399 { | |
| 400 throw std::runtime_error("Null pointer"); | |
| 401 } | |
| 402 else | |
| 403 { | |
| 404 Mutex::Locker locker(mutex_); | |
| 405 lst.push_back(new JavaGlobalReference(jvm, callback)); | |
| 406 } | |
| 407 } | |
| 408 | |
| 409 public: | |
| 410 CallbacksConfiguration() | |
| 411 { | |
| 412 onRestRequestCallbacks_.reserve(MAX_REST_CALLBACKS); | |
| 413 } | |
| 414 | |
| 415 ~CallbacksConfiguration() | |
| 416 { | |
| 417 DestructCallbacks(onChangeCallbacks_); | |
| 418 DestructCallbacks(onRestRequestCallbacks_); | |
| 419 } | |
| 420 | |
| 421 void AddOnChangeCallback(JavaVirtualMachine& jvm, | |
| 422 jobject callback) | |
| 423 { | |
| 424 AddCallback(onChangeCallbacks_, jvm, callback); | |
| 425 } | |
| 426 | |
| 427 void GetOnChangeCallbacks(std::list<jobject>& target) | |
| 428 { | |
| 429 CopyCallbacks(target, onChangeCallbacks_); | |
| 430 } | |
| 431 | |
| 432 size_t AddOnRestRequestCallback(JavaVirtualMachine& jvm, | |
| 433 jobject callback) | |
| 434 { | |
| 435 if (callback == NULL) | |
| 436 { | |
| 437 throw std::runtime_error("Null pointer"); | |
| 438 } | |
| 439 else | |
| 440 { | |
| 441 Mutex::Locker locker(mutex_); | |
| 442 | |
| 443 if (onRestRequestCallbacks_.size() >= MAX_REST_CALLBACKS) | |
| 444 { | |
| 445 char buf[16]; | |
| 446 sprintf(buf, "%d", MAX_REST_CALLBACKS); | |
| 447 throw std::runtime_error("The Java plugin for Orthanc has been compiled for a maximum of " + | |
| 448 std::string(buf) + " REST callbacks"); | |
| 449 } | |
| 450 else | |
| 451 { | |
| 452 size_t result = onRestRequestCallbacks_.size(); | |
| 453 onRestRequestCallbacks_.push_back(new JavaGlobalReference(jvm, callback)); | |
| 454 return result; | |
| 455 } | |
| 456 } | |
| 457 } | |
| 458 | |
| 459 jobject GetOnRestCallback(size_t i) | |
| 460 { | |
| 461 Mutex::Locker locker(mutex_); | |
| 462 | |
| 463 if (i >= onRestRequestCallbacks_.size()) | |
| 464 { | |
| 465 throw std::runtime_error("Unknown REST callback"); | |
| 466 } | |
| 467 else | |
| 468 { | |
| 469 assert(onRestRequestCallbacks_[i] != NULL); | |
| 470 return onRestRequestCallbacks_[i]->GetValue(); | |
| 471 } | |
| 472 } | |
| 473 }; | |
| 474 | |
| 475 static std::unique_ptr<CallbacksConfiguration> callbacksConfiguration_; | |
| 476 | |
| 477 | |
| 478 | |
| 479 | |
| 480 template<size_t Index> | |
| 481 class RestCallbacksPool | |
| 482 { | |
| 483 private: | |
| 484 RestCallbacksPool<Index - 1> next_; | |
| 485 | |
| 486 static OrthancPluginErrorCode Callback(OrthancPluginRestOutput* output, | |
| 487 const char* uri, | |
| 488 const OrthancPluginHttpRequest* request) | |
| 489 { | |
| 490 try | |
| 491 { | |
| 492 jobject callback = callbacksConfiguration_->GetOnRestCallback(MAX_REST_CALLBACKS - Index); | |
| 493 if (callback == NULL) | |
| 494 { | |
| 495 throw std::runtime_error("Missing callback"); | |
| 496 } | |
| 497 | |
| 498 std::vector<std::string> groups; | |
| 499 groups.resize(request->groupsCount); | |
| 500 for (uint32_t i = 0; i < request->groupsCount; i++) | |
| 501 { | |
| 502 groups[i].assign(request->groups[i]); | |
| 503 } | |
| 504 | |
| 505 std::map<std::string, std::string> headers; | |
| 506 for (uint32_t i = 0; i < request->headersCount; i++) | |
| 507 { | |
| 508 headers[request->headersKeys[i]] = request->headersValues[i]; | |
| 509 } | |
| 510 | |
| 511 std::map<std::string, std::string> getParameters; | |
| 512 for (uint32_t i = 0; i < request->getCount; i++) | |
| 513 { | |
| 514 getParameters[request->getKeys[i]] = request->getValues[i]; | |
| 515 } | |
| 516 | |
| 517 JavaEnvironment env(*java_); | |
| 518 | |
| 519 LocalJavaObject joutput(env, env.ConstructJavaWrapper("be/uclouvain/orthanc/RestOutput", output)); | |
| 520 LocalJavaObject jmethod(env, env.ConstructEnumValue("be/uclouvain/orthanc/HttpMethod", request->method)); | |
| 521 LocalJavaObject juri(env, env.GetValue().NewStringUTF(uri == NULL ? "" : uri)); | |
| 522 std::unique_ptr<LocalJavaObject> jgroups(LocalJavaObject::CreateArrayOfStrings(env, groups)); | |
| 523 std::unique_ptr<LocalJavaObject> jheaders(LocalJavaObject::CreateDictionary(env, headers)); | |
| 524 std::unique_ptr<LocalJavaObject> jgetParameters(LocalJavaObject::CreateDictionary(env, getParameters)); | |
| 525 LocalJavaObject jbody(env, env.ConstructByteArray(request->bodySize, request->body)); | |
| 526 | |
| 527 jmethodID call = env.GetMethodID( | |
| 528 env.GetObjectClass(callback), "call", | |
| 529 "(Lbe/uclouvain/orthanc/RestOutput;Lbe/uclouvain/orthanc/HttpMethod;Ljava/lang/String;" | |
| 530 "[Ljava/lang/String;Ljava/util/Map;Ljava/util/Map;[B)V"); | |
| 531 | |
| 532 env.GetValue().CallVoidMethod(callback, call, joutput.GetValue(), jmethod.GetValue(), juri.GetValue(), | |
| 533 jgroups->GetValue(), jheaders->GetValue(), jgetParameters->GetValue(), jbody.GetValue()); | |
| 534 env.CheckException(); | |
| 535 | |
| 536 return OrthancPluginErrorCode_Success; | |
| 537 } | |
| 538 catch (std::runtime_error& e) | |
| 539 { | |
| 540 OrthancPluginLogError(context_, e.what()); | |
| 541 return OrthancPluginErrorCode_Plugin; | |
| 542 } | |
| 543 catch (...) | |
| 544 { | |
| 545 OrthancPluginLogError(context_, "Caught native exception"); | |
| 546 return OrthancPluginErrorCode_Plugin; | |
| 547 } | |
| 548 } | |
| 549 | |
| 550 public: | |
| 551 OrthancPluginRestCallback GetCallback(size_t i) | |
| 552 { | |
| 553 if (i == 0) | |
| 554 { | |
| 555 return Callback; | |
| 556 } | |
| 557 else | |
| 558 { | |
| 559 return next_.GetCallback(i - 1); | |
| 560 } | |
| 561 } | |
| 562 }; | |
| 563 | |
| 564 template<> | |
| 565 class RestCallbacksPool<0> | |
| 566 { | |
| 567 public: | |
| 568 OrthancPluginRestCallback& GetCallback(size_t i) | |
| 569 { | |
| 570 throw std::runtime_error("Out of tuple"); | |
| 571 } | |
| 572 }; | |
| 573 | |
| 574 | |
| 575 static RestCallbacksPool<MAX_REST_CALLBACKS> restCallbacksPool_; | |
| 576 | |
| 577 | |
| 578 | |
| 579 OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType, | |
| 580 OrthancPluginResourceType resourceType, | |
| 581 const char* resourceId) | |
| 582 { | |
| 583 try | |
| 584 { | |
| 585 std::list<jobject> callbacks; | |
| 586 callbacksConfiguration_->GetOnChangeCallbacks(callbacks); | |
| 587 | |
| 588 if (!callbacks.empty()) | |
| 589 { | |
| 590 JavaEnvironment env(*java_); | |
| 591 | |
| 592 LocalJavaObject c(env, env.ConstructEnumValue("be/uclouvain/orthanc/ChangeType", changeType)); | |
| 593 LocalJavaObject r(env, env.ConstructEnumValue("be/uclouvain/orthanc/ResourceType", resourceType)); | |
| 594 LocalJavaObject s(env, env.GetValue().NewStringUTF(resourceId == NULL ? "" : resourceId)); | |
| 595 | |
| 596 for (std::list<jobject>::const_iterator | |
| 597 callback = callbacks.begin(); callback != callbacks.end(); ++callback) | |
| 598 { | |
| 599 assert(*callback != NULL); | |
| 600 | |
| 601 jmethodID call = env.GetMethodID( | |
| 602 env.GetObjectClass(*callback), "call", | |
| 603 "(Lbe/uclouvain/orthanc/ChangeType;Lbe/uclouvain/orthanc/ResourceType;Ljava/lang/String;)V"); | |
| 604 | |
| 605 env.GetValue().CallVoidMethod(*callback, call, c.GetValue(), r.GetValue(), s.GetValue()); | |
| 606 env.CheckException(); | |
| 607 } | |
| 608 } | |
| 609 | |
| 610 return OrthancPluginErrorCode_Success; | |
| 611 } | |
| 612 catch (std::runtime_error& e) | |
| 613 { | |
| 614 OrthancPluginLogError(context_, e.what()); | |
| 615 return OrthancPluginErrorCode_Plugin; | |
| 616 } | |
| 617 catch (...) | |
| 618 { | |
| 619 OrthancPluginLogError(context_, "Caught native exception"); | |
| 620 return OrthancPluginErrorCode_Plugin; | |
| 621 } | |
| 622 } | |
| 623 | |
| 624 | |
| 625 JNIEXPORT void RegisterOnChangeCallback(JNIEnv* env, jobject sdkObject, jobject callback) | |
| 626 { | |
| 627 try | |
| 628 { | |
| 629 callbacksConfiguration_->AddOnChangeCallback(*java_, callback); | |
| 630 } | |
| 631 catch (std::runtime_error& e) | |
| 632 { | |
| 5 | 633 JavaEnvironment::ThrowOrthancException(env, e.what()); |
| 0 | 634 } |
| 635 catch (...) | |
| 636 { | |
| 5 | 637 JavaEnvironment::ThrowOrthancException(env, OrthancPluginErrorCode_Plugin); |
| 0 | 638 } |
| 639 } | |
| 640 | |
| 641 | |
| 642 JNIEXPORT void RegisterOnRestRequestCallback(JNIEnv* env, jobject sdkObject, jstring regex, jobject callback) | |
| 643 { | |
| 644 try | |
| 645 { | |
| 646 JavaString cregex(env, regex); | |
| 647 size_t index = callbacksConfiguration_->AddOnRestRequestCallback(*java_, callback); | |
| 648 OrthancPluginRegisterRestCallbackNoLock(context_, cregex.GetValue(), restCallbacksPool_.GetCallback(index)); | |
| 649 } | |
| 650 catch (std::runtime_error& e) | |
| 651 { | |
| 5 | 652 JavaEnvironment::ThrowOrthancException(env, e.what()); |
| 0 | 653 } |
| 654 catch (...) | |
| 655 { | |
| 5 | 656 JavaEnvironment::ThrowOrthancException(env, OrthancPluginErrorCode_Plugin); |
| 0 | 657 } |
| 658 } | |
| 659 | |
| 660 | |
|
4
9032ffb3a7d5
added configuration options
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
|
661 static void ParseJson(Json::Value& target, |
|
9032ffb3a7d5
added configuration options
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
|
662 const std::string& source) |
|
9032ffb3a7d5
added configuration options
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
|
663 { |
|
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664 Json::CharReaderBuilder builder; |
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665 builder.settings_["collectComments"] = false; |
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666 |
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667 const std::unique_ptr<Json::CharReader> reader(builder.newCharReader()); |
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668 assert(reader.get() != NULL); |
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669 |
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670 JSONCPP_STRING err; |
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671 if (!reader->parse(source.c_str(), source.c_str() + source.size(), &target, &err)) |
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672 { |
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673 throw std::runtime_error("Cannot parse JSON: " + err); |
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674 } |
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675 } |
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676 |
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677 |
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678 static bool HasOption(const Json::Value& json, |
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679 const std::string& key, |
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680 Json::ValueType type, |
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681 bool isMandatory) |
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682 { |
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683 if (!json.isMember(key)) |
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684 { |
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685 if (isMandatory) |
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686 { |
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687 throw std::runtime_error("Missing configuration option for the Java plugin: \"" + key + "\""); |
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688 } |
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689 else |
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690 { |
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691 return false; |
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692 } |
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693 } |
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694 else if (json[key].type() == type) |
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695 { |
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696 return true; |
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697 } |
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698 else |
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699 { |
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700 throw std::runtime_error("The configuration option \"" + key + "\" for the Java plugin has not the proper type"); |
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701 } |
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702 } |
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703 |
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704 |
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705 static std::string GetMandatoryString(const Json::Value& json, |
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706 const std::string& key) |
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707 { |
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708 HasOption(json, key, Json::stringValue, true); |
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709 assert(json.isMember(key) && |
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710 json[key].type() == Json::stringValue); |
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711 return json[key].asString(); |
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712 } |
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713 |
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714 |
| 0 | 715 extern "C" |
| 716 { | |
| 717 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
| 718 { | |
| 719 context_ = context; | |
| 720 | |
| 721 /* Check the version of the Orthanc core */ | |
| 722 if (OrthancPluginCheckVersion(context) == 0) | |
| 723 { | |
| 724 char info[1024]; | |
| 725 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
| 726 context->orthancVersion, | |
| 727 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, | |
| 728 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
| 729 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
| 730 OrthancPluginLogError(context, info); | |
| 731 return -1; | |
| 732 } | |
| 733 | |
|
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734 OrthancPluginSetDescription(context, "Java plugin for Orthanc"); |
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735 |
| 0 | 736 try |
| 737 { | |
| 738 { | |
| 739 // Sanity check to ensure that the compiler has created different callback functions | |
| 740 std::set<intptr_t> c; | |
| 741 for (unsigned int i = 0; i < MAX_REST_CALLBACKS; i++) | |
| 742 { | |
| 743 c.insert(reinterpret_cast<intptr_t>(restCallbacksPool_.GetCallback(i))); | |
| 744 } | |
| 745 | |
| 746 if (c.size() != MAX_REST_CALLBACKS) | |
| 747 { | |
| 748 throw std::runtime_error("The Java plugin has not been properly compiled"); | |
| 749 } | |
| 750 } | |
| 751 | |
|
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752 Json::Value globalConfiguration; |
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753 |
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754 { |
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755 OrthancString tmp(OrthancPluginGetConfiguration(context)); |
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756 ParseJson(globalConfiguration, tmp.GetValue()); |
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757 } |
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758 |
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759 static const std::string KEY_JAVA = "Java"; |
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760 static const std::string KEY_ENABLED = "Enabled"; |
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761 static const std::string KEY_CLASSPATH = "Classpath"; |
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762 static const std::string KEY_INITIALIZATION_CLASS = "InitializationClass"; |
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763 |
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764 if (!HasOption(globalConfiguration, KEY_JAVA, Json::objectValue, false)) |
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765 { |
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766 OrthancPluginLogInfo(context, "Java plugin is disabled"); |
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767 return 0; |
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768 } |
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769 |
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770 Json::Value javaConfiguration = globalConfiguration[KEY_JAVA]; |
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771 assert(javaConfiguration.isObject()); |
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772 |
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773 if (HasOption(javaConfiguration, KEY_ENABLED, Json::booleanValue, false) && |
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774 !javaConfiguration[KEY_ENABLED].asBool()) |
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775 { |
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776 OrthancPluginLogInfo(context, "Java plugin is disabled"); |
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777 return 0; |
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778 } |
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779 |
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780 java_.reset(new JavaVirtualMachine(GetMandatoryString(javaConfiguration, KEY_CLASSPATH))); |
| 0 | 781 |
| 782 callbacksConfiguration_.reset(new CallbacksConfiguration); | |
| 783 OrthancPluginRegisterOnChangeCallback(context_, OnChangeCallback); | |
| 784 | |
| 785 JavaEnvironment env(*java_); | |
| 786 | |
| 787 { | |
| 788 std::vector<JNINativeMethod> methods; | |
| 789 JNI_LoadNatives(methods); | |
| 790 env.RegisterNatives("be/uclouvain/orthanc/NativeSDK", methods); | |
| 791 } | |
| 792 | |
| 793 { | |
| 794 std::vector<JNINativeMethod> methods; | |
| 795 methods.push_back((JNINativeMethod) { | |
| 796 const_cast<char*>("register"), | |
| 797 const_cast<char*>("(Lbe/uclouvain/orthanc/Callbacks$OnChange;)V"), | |
| 798 (void*) RegisterOnChangeCallback }); | |
| 799 methods.push_back((JNINativeMethod) { | |
| 800 const_cast<char*>("register"), | |
| 801 const_cast<char*>("(Ljava/lang/String;Lbe/uclouvain/orthanc/Callbacks$OnRestRequest;)V"), | |
| 802 (void*) RegisterOnRestRequestCallback }); | |
| 803 env.RegisterNatives("be/uclouvain/orthanc/Callbacks", methods); | |
| 804 } | |
|
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805 |
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806 if (HasOption(javaConfiguration, KEY_INITIALIZATION_CLASS, Json::stringValue, false)) |
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807 { |
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808 env.FindClass(javaConfiguration[KEY_INITIALIZATION_CLASS].asString()); |
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809 } |
| 0 | 810 } |
| 811 catch (std::runtime_error& e) | |
| 812 { | |
| 813 OrthancPluginLogError(context, e.what()); | |
| 814 return -1; | |
| 815 } | |
| 816 | |
| 817 return 0; | |
| 818 } | |
| 819 | |
| 820 | |
| 821 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
| 822 { | |
| 823 if (java_.get() != NULL) | |
| 824 { | |
| 825 callbacksConfiguration_.reset(NULL); | |
| 826 | |
| 827 try | |
| 828 { | |
| 829 JavaEnvironment env(*java_); | |
| 830 env.RunGarbageCollector(); | |
| 831 } | |
| 832 catch (std::runtime_error& e) | |
| 833 { | |
| 834 OrthancPluginLogError(context_, e.what()); | |
| 835 } | |
| 836 | |
| 837 java_.reset(NULL); | |
| 838 } | |
| 839 } | |
| 840 | |
| 841 | |
| 842 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
| 843 { | |
| 844 return "java"; | |
| 845 } | |
| 846 | |
| 847 | |
| 848 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
| 849 { | |
| 850 return PLUGIN_VERSION; | |
| 851 } | |
| 852 } |