jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.workflow.api; |
| 17 | |
| 18 | |
| 19 | import com.fasterxml.jackson.core.JsonPointer; |
| 20 | import com.fasterxml.jackson.core.JsonProcessingException; |
| 21 | import com.fasterxml.jackson.databind.JsonNode; |
| 22 | import com.fasterxml.jackson.databind.ObjectMapper; |
| 23 | import com.fasterxml.jackson.databind.node.ArrayNode; |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 24 | import com.fasterxml.jackson.databind.node.BooleanNode; |
| 25 | import com.fasterxml.jackson.databind.node.IntNode; |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 26 | import com.fasterxml.jackson.databind.node.JsonNodeFactory; |
| 27 | import com.fasterxml.jackson.databind.node.JsonNodeType; |
| 28 | import com.fasterxml.jackson.databind.node.MissingNode; |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 29 | import com.fasterxml.jackson.databind.node.NumericNode; |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 30 | import com.fasterxml.jackson.databind.node.ObjectNode; |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 31 | import com.fasterxml.jackson.databind.node.TextNode; |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 32 | import com.google.common.base.MoreObjects; |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 33 | import org.slf4j.Logger; |
| 34 | import org.slf4j.LoggerFactory; |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 35 | |
| 36 | import java.util.Objects; |
| 37 | |
| 38 | /** |
| 39 | * Class for json data model tree. |
| 40 | */ |
| 41 | public final class JsonDataModelTree implements DataModelTree { |
| 42 | |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 43 | private static final Logger log = LoggerFactory.getLogger(JsonDataModelTree.class); |
| 44 | |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 45 | /** |
| 46 | * Root node of json data model tree. |
| 47 | */ |
| 48 | private JsonNode root; |
| 49 | |
| 50 | /** |
| 51 | * Constructor of JsonDataModelTree. |
| 52 | */ |
| 53 | public JsonDataModelTree() { |
| 54 | this.root = JsonNodeFactory.instance.objectNode(); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Constructor of JsonDataModelTree. |
| 59 | * @param root root node of json data model tree |
| 60 | */ |
| 61 | public JsonDataModelTree(JsonNode root) { |
| 62 | this.root = root; |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | public DataModelTree subtree(String path) { |
| 67 | JsonNode node = root.at(path); |
| 68 | if (Objects.isNull(node) || node.isMissingNode()) { |
| 69 | return null; |
| 70 | } |
| 71 | return new JsonDataModelTree(node); |
| 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public void attach(String path, DataModelTree tree) throws WorkflowException { |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 76 | |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 77 | if (root == null || root instanceof MissingNode) { |
| 78 | throw new WorkflowException("Invalid root node"); |
| 79 | } |
| 80 | |
| 81 | JsonPointer ptr = JsonPointer.compile(path); |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 82 | |
| 83 | if (!(tree instanceof JsonDataModelTree)) { |
| 84 | throw new WorkflowException("Invalid subTree(" + tree + ")"); |
| 85 | } |
| 86 | JsonNode attachingNode = ((JsonDataModelTree) tree).root(); |
| 87 | |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 88 | attach(ptr, attachingNode); |
| 89 | } |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 90 | |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 91 | private void attach(JsonPointer ptr, JsonNode attachingNode) throws WorkflowException { |
| 92 | |
| 93 | JsonNode node = root.at(ptr); |
| 94 | if (!(node instanceof MissingNode)) { |
| 95 | throw new WorkflowException("Path(" + ptr + ") has already subtree(" + node + ")"); |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 96 | } |
| 97 | |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 98 | if (ptr.last().getMatchingIndex() != -1) { |
| 99 | |
| 100 | alloc(ptr.head(), Nodetype.ARRAY); |
| 101 | JsonNode parentNode = root.at(ptr.head()); |
| 102 | if (!parentNode.isArray()) { |
| 103 | throw new WorkflowException("Invalid parentNode type(" + parentNode.getNodeType() + " != Array)"); |
| 104 | } |
| 105 | int index = ptr.last().getMatchingIndex(); |
| 106 | ((ArrayNode) parentNode).insert(index, attachingNode); |
| 107 | |
| 108 | } else if (ptr.last().getMatchingProperty() != null) { |
| 109 | |
| 110 | alloc(ptr.head(), Nodetype.MAP); |
| 111 | JsonNode parentNode = root.at(ptr.head()); |
| 112 | if (!parentNode.isObject()) { |
| 113 | throw new WorkflowException("Invalid parentNode type(" + parentNode.getNodeType() + " != Object)"); |
| 114 | } |
| 115 | String key = ptr.last().getMatchingProperty(); |
| 116 | ((ObjectNode) parentNode).put(key, attachingNode); |
| 117 | |
| 118 | } else { |
| 119 | throw new WorkflowException("Invalid path(" + ptr + ")"); |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public void remove(String path) throws WorkflowException { |
| 125 | JsonPointer ptr = JsonPointer.compile(path); |
| 126 | remove(ptr); |
| 127 | } |
| 128 | |
| 129 | private void remove(JsonPointer ptr) throws WorkflowException { |
| 130 | |
| 131 | JsonNode node = root.at(ptr); |
| 132 | if (node instanceof MissingNode) { |
| 133 | log.warn("{} does not have valid node", ptr); |
| 134 | return; |
| 135 | } |
| 136 | |
| 137 | if (ptr.last().getMatchingIndex() != -1) { |
| 138 | |
| 139 | JsonNode parentNode = root.at(ptr.head()); |
| 140 | if (!parentNode.isArray()) { |
| 141 | throw new WorkflowException("Invalid parentNode type(" + parentNode.getNodeType() + " != Array)"); |
| 142 | } |
| 143 | int index = ptr.last().getMatchingIndex(); |
| 144 | ((ArrayNode) parentNode).remove(index); |
| 145 | |
| 146 | } else if (ptr.last().getMatchingProperty() != null) { |
| 147 | |
| 148 | JsonNode parentNode = root.at(ptr.head()); |
| 149 | if (!parentNode.isObject()) { |
| 150 | throw new WorkflowException("Invalid parentNode type(" + parentNode.getNodeType() + " != Object)"); |
| 151 | } |
| 152 | String key = ptr.last().getMatchingProperty(); |
| 153 | ((ObjectNode) parentNode).remove(key); |
| 154 | |
| 155 | } else { |
| 156 | throw new WorkflowException("Invalid path(" + ptr + ")"); |
| 157 | } |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | @Override |
| 161 | public JsonDataModelTree alloc(String path, Nodetype leaftype) throws WorkflowException { |
| 162 | if (root == null || root instanceof MissingNode) { |
| 163 | throw new WorkflowException("Invalid root node"); |
| 164 | } |
| 165 | |
| 166 | JsonPointer ptr = JsonPointer.compile(path); |
| 167 | return alloc(ptr, leaftype); |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Allocates json data model tree on json pointer path with specific leaf type. |
| 172 | * @param ptr json pointer to allocate |
| 173 | * @param leaftype type of leaf node |
| 174 | * @return json data model tree |
| 175 | * @throws WorkflowException workflow exception |
| 176 | */ |
| 177 | private JsonDataModelTree alloc(JsonPointer ptr, Nodetype leaftype) throws WorkflowException { |
| 178 | if (root == null || root instanceof MissingNode) { |
| 179 | throw new WorkflowException("Invalid root node"); |
| 180 | } |
| 181 | |
| 182 | switch (leaftype) { |
| 183 | case MAP: |
| 184 | alloc(root, ptr, JsonNodeType.OBJECT); |
| 185 | break; |
| 186 | case ARRAY: |
| 187 | alloc(root, ptr, JsonNodeType.ARRAY); |
| 188 | break; |
| 189 | default: |
| 190 | throw new WorkflowException("Not supported leaftype(" + leaftype + ")"); |
| 191 | } |
| 192 | return this; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Gets root json node. |
| 197 | * @return root json node |
| 198 | * @throws WorkflowException workflow exception |
| 199 | */ |
| 200 | public JsonNode root() throws WorkflowException { |
| 201 | return nodeAt(""); |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Gets root json node as ObjectNode (MAP type). |
| 206 | * @return root json node as ObjectNode |
| 207 | * @throws WorkflowException workflow exception |
| 208 | */ |
| 209 | public ObjectNode rootObject() throws WorkflowException { |
| 210 | return objectAt(""); |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Gets root json node as ArrayNode (Array type). |
| 215 | * @return root json node as ArrayNode |
| 216 | * @throws WorkflowException workflow exception |
| 217 | */ |
| 218 | public ArrayNode rootArray() throws WorkflowException { |
| 219 | return arrayAt(""); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Gets json node on specific path. |
| 224 | * @param path path of json node |
| 225 | * @return json node on specific path |
| 226 | * @throws WorkflowException workflow exception |
| 227 | */ |
| 228 | public JsonNode nodeAt(String path) throws WorkflowException { |
| 229 | JsonPointer ptr = JsonPointer.compile(path); |
| 230 | return nodeAt(ptr); |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Gets json node on specific json pointer. |
| 235 | * @param ptr json pointer |
| 236 | * @return json node on specific json pointer. |
| 237 | * @throws WorkflowException workflow exception |
| 238 | */ |
| 239 | public JsonNode nodeAt(JsonPointer ptr) throws WorkflowException { |
| 240 | if (root == null || root instanceof MissingNode) { |
| 241 | throw new WorkflowException("Invalid root node"); |
| 242 | } |
| 243 | JsonNode node = root.at(ptr); |
| 244 | return node; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Gets json node on specific path as ObjectNode. |
| 249 | * @param path path of json node |
| 250 | * @return ObjectNode type json node on specific path |
| 251 | * @throws WorkflowException workflow exception |
| 252 | */ |
| 253 | public ObjectNode objectAt(String path) throws WorkflowException { |
| 254 | JsonPointer ptr = JsonPointer.compile(path); |
| 255 | return objectAt(ptr); |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Gets json node on specific json pointer as ObjectNode. |
| 260 | * @param ptr json pointer |
| 261 | * @return ObjectNode type json node on specific json pointer. |
| 262 | * @throws WorkflowException workflow exception |
| 263 | */ |
| 264 | public ObjectNode objectAt(JsonPointer ptr) throws WorkflowException { |
| 265 | if (root == null || root instanceof MissingNode) { |
| 266 | throw new WorkflowException("Invalid root node"); |
| 267 | } |
| 268 | JsonNode node = root.at(ptr); |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 269 | if (node instanceof MissingNode) { |
| 270 | return null; |
| 271 | } |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 272 | if (!(node instanceof ObjectNode)) { |
| 273 | throw new WorkflowException("Invalid node(" + node + ") at " + ptr); |
| 274 | } |
| 275 | return (ObjectNode) node; |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Gets json node on specific path as ArrayNode. |
| 280 | * @param path path of json node |
| 281 | * @return ArrayNode type json node on specific path |
| 282 | * @throws WorkflowException workflow exception |
| 283 | */ |
| 284 | public ArrayNode arrayAt(String path) throws WorkflowException { |
| 285 | JsonPointer ptr = JsonPointer.compile(path); |
| 286 | return arrayAt(ptr); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Gets json node on specific json pointer as ArrayNode. |
| 291 | * @param ptr json pointer |
| 292 | * @return ArrayNode type json node on specific json pointer. |
| 293 | * @throws WorkflowException workflow exception |
| 294 | */ |
| 295 | public ArrayNode arrayAt(JsonPointer ptr) throws WorkflowException { |
| 296 | if (root == null || root instanceof MissingNode) { |
| 297 | throw new WorkflowException("Invalid root node"); |
| 298 | } |
| 299 | JsonNode node = root.at(ptr); |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 300 | if (node instanceof MissingNode) { |
| 301 | return null; |
| 302 | } |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 303 | if (!(node instanceof ArrayNode)) { |
| 304 | throw new WorkflowException("Invalid node(" + node + ") at " + ptr); |
| 305 | } |
| 306 | return (ArrayNode) node; |
| 307 | } |
| 308 | |
| 309 | /** |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 310 | * Gets text node on specific path. |
| 311 | * @param path path of json node |
| 312 | * @return text on specific path |
| 313 | * @throws WorkflowException workflow exception |
| 314 | */ |
| 315 | public String textAt(String path) throws WorkflowException { |
| 316 | JsonPointer ptr = JsonPointer.compile(path); |
| 317 | return textAt(ptr); |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * Gets text on specific json pointer. |
| 322 | * @param ptr json pointer |
| 323 | * @return text on specific json pointer |
| 324 | * @throws WorkflowException workflow exception |
| 325 | */ |
| 326 | public String textAt(JsonPointer ptr) throws WorkflowException { |
| 327 | if (root == null || root instanceof MissingNode) { |
| 328 | throw new WorkflowException("Invalid root node"); |
| 329 | } |
| 330 | JsonNode node = root.at(ptr); |
| 331 | if (node instanceof MissingNode) { |
| 332 | return null; |
| 333 | } |
| 334 | if (!(node instanceof TextNode)) { |
| 335 | throw new WorkflowException("Invalid node(" + node + ") at " + ptr); |
| 336 | } |
| 337 | return ((TextNode) node).asText(); |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Gets integer node on specific path. |
| 342 | * @param path path of json node |
| 343 | * @return integer on specific path |
| 344 | * @throws WorkflowException workflow exception |
| 345 | */ |
| 346 | public Integer intAt(String path) throws WorkflowException { |
| 347 | JsonPointer ptr = JsonPointer.compile(path); |
| 348 | return intAt(ptr); |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * Gets integer on specific json pointer. |
| 353 | * @param ptr json pointer |
| 354 | * @return integer on specific json pointer |
| 355 | * @throws WorkflowException workflow exception |
| 356 | */ |
| 357 | public Integer intAt(JsonPointer ptr) throws WorkflowException { |
| 358 | if (root == null || root instanceof MissingNode) { |
| 359 | throw new WorkflowException("Invalid root node"); |
| 360 | } |
| 361 | JsonNode node = root.at(ptr); |
| 362 | if (node instanceof MissingNode) { |
| 363 | return null; |
| 364 | } |
| 365 | if (!(node instanceof NumericNode)) { |
| 366 | throw new WorkflowException("Invalid node(" + node + ") at " + ptr); |
| 367 | } |
| 368 | return ((NumericNode) node).asInt(); |
| 369 | } |
| 370 | |
| 371 | /** |
| 372 | * Gets boolean on specific path. |
| 373 | * @param path path of json node |
| 374 | * @return boolean on specific path |
| 375 | * @throws WorkflowException workflow exception |
| 376 | */ |
| 377 | public Boolean booleanAt(String path) throws WorkflowException { |
| 378 | JsonPointer ptr = JsonPointer.compile(path); |
| 379 | return booleanAt(ptr); |
| 380 | } |
| 381 | |
| 382 | /** |
| 383 | * Gets boolean on specific json pointer. |
| 384 | * @param ptr json pointer |
| 385 | * @return boolean on specific json pointer |
| 386 | * @throws WorkflowException workflow exception |
| 387 | */ |
| 388 | public Boolean booleanAt(JsonPointer ptr) throws WorkflowException { |
| 389 | if (root == null || root instanceof MissingNode) { |
| 390 | throw new WorkflowException("Invalid root node"); |
| 391 | } |
| 392 | JsonNode node = root.at(ptr); |
| 393 | if (node instanceof MissingNode) { |
| 394 | return null; |
| 395 | } |
| 396 | if (!(node instanceof BooleanNode)) { |
| 397 | throw new WorkflowException("Invalid node(" + node + ") at " + ptr); |
| 398 | } |
| 399 | return ((BooleanNode) node).asBoolean(); |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * Sets text on specific json path. |
| 404 | * @param path json path |
| 405 | * @param text text to set |
| 406 | * @throws WorkflowException workflow exception |
| 407 | */ |
| 408 | public void setAt(String path, String text) throws WorkflowException { |
| 409 | JsonPointer ptr = JsonPointer.compile(path); |
| 410 | setAt(ptr, text); |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * Sets text on the specific json pointer. |
| 415 | * @param ptr json pointer |
| 416 | * @param text text to set |
| 417 | * @throws WorkflowException workflow exception |
| 418 | */ |
| 419 | public void setAt(JsonPointer ptr, String text) throws WorkflowException { |
| 420 | TextNode textNode = TextNode.valueOf(text); |
| 421 | attach(ptr, textNode); |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * Sets boolean on specific json path. |
| 426 | * @param path json path |
| 427 | * @param isTrue boolean to set |
| 428 | * @throws WorkflowException workflow exception |
| 429 | */ |
| 430 | public void setAt(String path, Boolean isTrue) throws WorkflowException { |
| 431 | JsonPointer ptr = JsonPointer.compile(path); |
| 432 | setAt(ptr, isTrue); |
| 433 | } |
| 434 | |
| 435 | /** |
| 436 | * Sets boolean on the specific json pointer. |
| 437 | * @param ptr json pointer |
| 438 | * @param isTrue boolean to set |
| 439 | * @throws WorkflowException workflow exception |
| 440 | */ |
| 441 | public void setAt(JsonPointer ptr, Boolean isTrue) throws WorkflowException { |
| 442 | BooleanNode booleanNode = BooleanNode.valueOf(isTrue); |
| 443 | attach(ptr, booleanNode); |
| 444 | } |
| 445 | |
| 446 | /** |
| 447 | * Sets integer on specific json path. |
| 448 | * @param path json path |
| 449 | * @param number number to set |
| 450 | * @throws WorkflowException workflow exception |
| 451 | */ |
| 452 | public void setAt(String path, Integer number) throws WorkflowException { |
| 453 | JsonPointer ptr = JsonPointer.compile(path); |
| 454 | setAt(ptr, number); |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * Sets integer on the specific json pointer. |
| 459 | * @param ptr json pointer |
| 460 | * @param number number to set |
| 461 | * @throws WorkflowException workflow exception |
| 462 | */ |
| 463 | public void setAt(JsonPointer ptr, Integer number) throws WorkflowException { |
| 464 | IntNode intNode = IntNode.valueOf(number); |
| 465 | attach(ptr, intNode); |
| 466 | } |
| 467 | |
| 468 | /** |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 469 | * Allocates json data model tree on json pointer path with specific leaf type. |
| 470 | * @param node current json node in the json tree path |
| 471 | * @param ptr json pointer |
| 472 | * @param leaftype leaf type to be allocated |
| 473 | * @return allocated json node |
| 474 | * @throws WorkflowException workflow exception |
| 475 | */ |
| 476 | private JsonNode alloc(JsonNode node, JsonPointer ptr, JsonNodeType leaftype) throws WorkflowException { |
| 477 | |
| 478 | if (ptr.matches()) { |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 479 | if (node == null || node instanceof MissingNode) { |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 480 | node = createEmpty(leaftype); |
| 481 | } else { |
| 482 | //TODO: checking existing node type is matched with leaftype |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 483 | if (!Objects.equals(node.getNodeType(), leaftype)) { |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 484 | throw new WorkflowException("Requesting leaftype(" + leaftype + ") is not matched with " |
| 485 | + "existing nodetype(" + node.getNodeType() + ") for " + ptr); |
| 486 | } |
| 487 | } |
| 488 | return node; |
| 489 | } |
| 490 | |
| 491 | if (ptr.getMatchingIndex() != -1) { |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 492 | if (node == null || node instanceof MissingNode) { |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 493 | node = createEmpty(JsonNodeType.ARRAY); |
| 494 | } |
| 495 | JsonNode child = alloc(node.get(ptr.getMatchingIndex()), ptr.tail(), leaftype); |
| 496 | if (!node.has(ptr.getMatchingIndex())) { |
| 497 | ((ArrayNode) node).insert(ptr.getMatchingIndex(), child); |
| 498 | } |
| 499 | } else if (ptr.getMatchingProperty() != null) { |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 500 | if (node == null || node instanceof MissingNode) { |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 501 | node = createEmpty(JsonNodeType.OBJECT); |
| 502 | } |
| 503 | JsonNode child = alloc(node.get(ptr.getMatchingProperty()), ptr.tail(), leaftype); |
| 504 | if (!node.has(ptr.getMatchingProperty())) { |
| 505 | ((ObjectNode) node).put(ptr.getMatchingProperty(), child); |
| 506 | } |
| 507 | } |
| 508 | return node; |
| 509 | } |
| 510 | |
| 511 | /** |
| 512 | * Creating empty json node. |
| 513 | * @param type json node type to create |
| 514 | * @return created json node |
| 515 | * @throws WorkflowException workflow exception |
| 516 | */ |
| 517 | private JsonNode createEmpty(JsonNodeType type) throws WorkflowException { |
| 518 | if (type == JsonNodeType.OBJECT) { |
| 519 | return JsonNodeFactory.instance.objectNode(); |
| 520 | } else if (type == JsonNodeType.ARRAY) { |
| 521 | return JsonNodeFactory.instance.arrayNode(); |
| 522 | } else if (type == JsonNodeType.STRING) { |
| 523 | return JsonNodeFactory.instance.textNode(""); |
| 524 | } else { |
| 525 | throw new WorkflowException("Not supported JsonNodetype(" + type + ")"); |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * Gets the pretty json formatted string of this json data model tree. |
| 531 | * @return pretty json formatted string of this json data model tree |
| 532 | */ |
| 533 | public String formattedRootString() { |
| 534 | String str = ""; |
| 535 | try { |
| 536 | str = (new ObjectMapper()).writerWithDefaultPrettyPrinter().writeValueAsString(root); |
| 537 | } catch (JsonProcessingException e) { |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 538 | log.error("Exception: ", e); |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 539 | } |
| 540 | return str; |
| 541 | } |
| 542 | |
| 543 | @Override |
| 544 | public String toString() { |
| 545 | return MoreObjects.toStringHelper(getClass()) |
jaegonkim | e0f45b5 | 2018-10-09 20:23:26 +0900 | [diff] [blame^] | 546 | .add("json", root) |
jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 547 | .toString(); |
| 548 | } |
| 549 | } |
| 550 | |