janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present Open Networking Laboratory |
| 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 | |
| 17 | package org.onosproject.yms.app.ytb; |
| 18 | |
| 19 | import org.onosproject.yangutils.datamodel.YangAugment; |
| 20 | import org.onosproject.yangutils.datamodel.YangAugmentableNode; |
| 21 | import org.onosproject.yangutils.datamodel.YangCase; |
| 22 | import org.onosproject.yangutils.datamodel.YangChoice; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 23 | import org.onosproject.yangutils.datamodel.YangDerivedInfo; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 24 | import org.onosproject.yangutils.datamodel.YangLeaf; |
| 25 | import org.onosproject.yangutils.datamodel.YangLeafList; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 26 | import org.onosproject.yangutils.datamodel.YangLeafRef; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 27 | import org.onosproject.yangutils.datamodel.YangLeavesHolder; |
| 28 | import org.onosproject.yangutils.datamodel.YangNode; |
| 29 | import org.onosproject.yangutils.datamodel.YangSchemaNode; |
| 30 | import org.onosproject.yangutils.datamodel.YangSchemaNodeIdentifier; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 31 | import org.onosproject.yangutils.datamodel.YangType; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 32 | import org.onosproject.yangutils.datamodel.exceptions.DataModelException; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 33 | import org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 34 | import org.onosproject.yms.app.utils.TraversalType; |
| 35 | import org.onosproject.yms.app.ydt.YdtExtendedBuilder; |
| 36 | import org.onosproject.yms.app.ydt.YdtExtendedContext; |
| 37 | import org.onosproject.yms.app.ysr.YangSchemaRegistry; |
| 38 | import org.onosproject.yms.ydt.YdtContextOperationType; |
| 39 | |
| 40 | import java.util.HashMap; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 41 | import java.util.Iterator; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 42 | import java.util.LinkedHashSet; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 43 | import java.util.List; |
| 44 | import java.util.Map; |
| 45 | import java.util.Set; |
| 46 | |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 47 | import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.EMPTY; |
| 48 | import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 49 | import static org.onosproject.yms.app.utils.TraversalType.CHILD; |
| 50 | import static org.onosproject.yms.app.utils.TraversalType.PARENT; |
| 51 | import static org.onosproject.yms.app.utils.TraversalType.ROOT; |
| 52 | import static org.onosproject.yms.app.utils.TraversalType.SIBLING; |
| 53 | import static org.onosproject.yms.app.ydt.AppType.YTB; |
| 54 | import static org.onosproject.yms.app.ytb.YtbUtil.PERIOD; |
| 55 | import static org.onosproject.yms.app.ytb.YtbUtil.STR_NULL; |
| 56 | import static org.onosproject.yms.app.ytb.YtbUtil.getAttributeFromInheritance; |
| 57 | import static org.onosproject.yms.app.ytb.YtbUtil.getAttributeOfObject; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 58 | import static org.onosproject.yms.app.ytb.YtbUtil.getClassLoaderForAugment; |
| 59 | import static org.onosproject.yms.app.ytb.YtbUtil.getInterfaceClassFromImplClass; |
| 60 | import static org.onosproject.yms.app.ytb.YtbUtil.getJavaName; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 61 | import static org.onosproject.yms.app.ytb.YtbUtil.getNodeOpType; |
| 62 | import static org.onosproject.yms.app.ytb.YtbUtil.getOpTypeName; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 63 | import static org.onosproject.yms.app.ytb.YtbUtil.getParentObjectOfNode; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 64 | import static org.onosproject.yms.app.ytb.YtbUtil.getStringFromType; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 65 | import static org.onosproject.yms.app.ytb.YtbUtil.isAugmentNode; |
| 66 | import static org.onosproject.yms.app.ytb.YtbUtil.isMultiInstanceNode; |
| 67 | import static org.onosproject.yms.app.ytb.YtbUtil.isNodeProcessCompleted; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 68 | import static org.onosproject.yms.app.ytb.YtbUtil.isNonProcessableNode; |
| 69 | import static org.onosproject.yms.app.ytb.YtbUtil.isTypePrimitive; |
| 70 | import static org.onosproject.yms.app.ytb.YtbUtil.isValueOrSelectLeafSet; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 71 | import static org.onosproject.yms.app.ytb.YtbUtil.nonEmpty; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 72 | import static org.onosproject.yms.ydt.YdtContextOperationType.NONE; |
| 73 | |
| 74 | /** |
| 75 | * Implements traversal of YANG node and its corresponding object, resulting |
| 76 | * in building of the YDT tree. |
| 77 | */ |
| 78 | public class YdtBuilderFromYo { |
| 79 | |
| 80 | private static final String STR_TYPE = "type"; |
| 81 | private static final String STR_SUBJECT = "subject"; |
| 82 | private static final String TRUE = "true"; |
| 83 | private static final String IS_LEAF_VALUE_SET_METHOD = "isLeafValueSet"; |
| 84 | private static final String IS_SELECT_LEAF_SET_METHOD = "isSelectLeaf"; |
| 85 | private static final String OUTPUT = "output"; |
| 86 | private static final String YANG_AUGMENTED_INFO_MAP = |
| 87 | "yangAugmentedInfoMap"; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 88 | private static final String FALSE = "false"; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 89 | |
| 90 | /** |
| 91 | * Application YANG schema registry. |
| 92 | */ |
| 93 | private final YangSchemaRegistry registry; |
| 94 | |
| 95 | /** |
| 96 | * Current instance of the YDT builder where the tree is built. |
| 97 | */ |
| 98 | private final YdtExtendedBuilder extBuilder; |
| 99 | |
| 100 | /** |
| 101 | * YANG root object that is required for walking along with the YANG node. |
| 102 | */ |
| 103 | private Object rootObj; |
| 104 | |
| 105 | /** |
| 106 | * YANG root node that is required for walking along with the YANG object. |
| 107 | */ |
| 108 | private YangSchemaNode rootSchema; |
| 109 | |
| 110 | /** |
| 111 | * Creates YDT builder from YANG object by assigning the mandatory values. |
| 112 | * |
| 113 | * @param rootBuilder root node builder |
| 114 | * @param rootObj root node object |
| 115 | * @param registry application schema registry |
| 116 | */ |
| 117 | public YdtBuilderFromYo(YdtExtendedBuilder rootBuilder, Object rootObj, |
| 118 | YangSchemaRegistry registry) { |
| 119 | extBuilder = rootBuilder; |
| 120 | this.rootObj = rootObj; |
| 121 | this.registry = registry; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Returns schema root node, received from YSR, which searches based on |
| 126 | * the object received from YAB or YCH. |
| 127 | * |
| 128 | * @param object root node object |
| 129 | */ |
| 130 | public void getModuleNodeFromYsr(Object object) { |
| 131 | Class interfaceClass = getInterfaceClassFromImplClass(object); |
| 132 | rootSchema = registry |
| 133 | .getYangSchemaNodeUsingGeneratedRootNodeInterfaceFileName( |
| 134 | interfaceClass.getName()); |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Returns schema root node, received from YSR, which searches based on |
| 139 | * the object received from YNH. |
| 140 | * |
| 141 | * @param object notification event object |
| 142 | */ |
| 143 | public void getRootNodeWithNotificationFromYsr(Object object) { |
| 144 | rootSchema = registry.getRootYangSchemaNodeForNotification( |
| 145 | object.getClass().getName()); |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Creates the module node for in YDT before beginning with notification |
| 150 | * root node traversal. Collects sufficient information to fill YDT with |
| 151 | * notification root node in the traversal. |
| 152 | */ |
| 153 | public void createModuleInYdt() { |
| 154 | extBuilder.addChild(NONE, rootSchema); |
| 155 | rootSchema = getSchemaNodeOfNotification(); |
| 156 | rootObj = getObjOfNotification(); |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Creates the module and RPC node, in YDT tree, from the logical root |
| 161 | * node received from request workbench. The output schema node is taken |
| 162 | * from the child schema of RPC YANG node. |
| 163 | * |
| 164 | * @param rootNode logical root node |
| 165 | */ |
| 166 | public void createModuleAndRpcInYdt(YdtExtendedContext rootNode) { |
| 167 | |
| 168 | YdtExtendedContext moduleNode = |
| 169 | (YdtExtendedContext) rootNode.getFirstChild(); |
| 170 | extBuilder.addChild(NONE, moduleNode.getYangSchemaNode()); |
| 171 | |
| 172 | YdtExtendedContext rpcNode = |
| 173 | (YdtExtendedContext) moduleNode.getFirstChild(); |
| 174 | YangSchemaNode rpcSchemaNode = rpcNode.getYangSchemaNode(); |
| 175 | extBuilder.addChild(NONE, rpcSchemaNode); |
| 176 | |
| 177 | // Defines a schema identifier for output node. |
| 178 | YangSchemaNodeIdentifier schemaId = new YangSchemaNodeIdentifier(); |
| 179 | schemaId.setName(OUTPUT); |
| 180 | schemaId.setNameSpace(rpcSchemaNode.getNameSpace()); |
| 181 | try { |
| 182 | // Gets the output schema node from RPC child schema. |
| 183 | rootSchema = rpcSchemaNode.getChildSchema(schemaId).getSchemaNode(); |
| 184 | } catch (DataModelException e) { |
| 185 | throw new YtbException(e); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Creates YDT tree from the root object, by traversing through YANG data |
| 191 | * model node, and simultaneously checking the object nodes presence and |
| 192 | * walking the object. |
| 193 | */ |
| 194 | public void createYdtFromRootObject() { |
| 195 | YangNode curNode = (YangNode) rootSchema; |
| 196 | TraversalType curTraversal = ROOT; |
| 197 | YtbNodeInfo listNodeInfo = null; |
| 198 | YtbNodeInfo augmentNodeInfo = null; |
| 199 | |
| 200 | while (curNode != null) { |
| 201 | /* |
| 202 | * Processes the node, if it is being visited for the first time in |
| 203 | * the schema, also if the schema node is being retraced in a multi |
| 204 | * instance node. |
| 205 | */ |
| 206 | if (curTraversal != PARENT || isMultiInstanceNode(curNode)) { |
| 207 | |
| 208 | if (curTraversal == PARENT && isMultiInstanceNode(curNode)) { |
| 209 | /* |
| 210 | * If the schema is being retraced for a multi-instance |
| 211 | * node, it has already entered for this multi-instance |
| 212 | * node. Now this re-processes the same schema node for |
| 213 | * any additional list object. |
| 214 | */ |
| 215 | listNodeInfo = getCurNodeInfoAndTraverseBack(); |
| 216 | } |
| 217 | |
| 218 | if (curTraversal == ROOT && !isAugmentNode(curNode)) { |
| 219 | /* |
| 220 | * In case of RPC output, the root node is augmentative, |
| 221 | * so when the root traversal is coming for augment this |
| 222 | * flow is skipped. This adds only the root node in the YDT. |
| 223 | */ |
| 224 | processApplicationRootNode(); |
| 225 | } else { |
| 226 | /* |
| 227 | * Gets the object corresponding to current schema node. |
| 228 | * If object exists, this adds the corresponding YDT node |
| 229 | * to the tree and returns the object. Else returns null. |
| 230 | */ |
| 231 | Object processedObject = processCurSchemaNodeAndAddToYdt( |
| 232 | curNode, listNodeInfo); |
| 233 | /* |
| 234 | * Clears the list info of processed node. The next time |
| 235 | * list info is taken newly and accordingly. |
| 236 | */ |
| 237 | listNodeInfo = null; |
| 238 | if (processedObject == null && !isAugmentNode(curNode)) { |
| 239 | /* |
| 240 | * Checks the presence of next sibling of the node, by |
| 241 | * breaking the complete chain of the current node, |
| 242 | * when the object value is not present, or when the |
| 243 | * list entries are completely retraced. The augment |
| 244 | * may have sibling, so this doesn't process for |
| 245 | * augment. |
| 246 | */ |
| 247 | YtbTraversalInfo traverseInfo = |
| 248 | getProcessableInfo(curNode); |
| 249 | curNode = traverseInfo.getYangNode(); |
| 250 | curTraversal = traverseInfo.getTraverseType(); |
| 251 | continue; |
| 252 | /* |
| 253 | * Irrespective of root or parent, sets the traversal |
| 254 | * type as parent, when augment node doesn't have any |
| 255 | * value. So, the other sibling augments can be |
| 256 | * processed, if present. |
| 257 | */ |
| 258 | } else if (processedObject == null && |
| 259 | isAugmentNode(curNode)) { |
| 260 | curTraversal = PARENT; |
| 261 | /* |
| 262 | * The second content in the list will be having |
| 263 | * parent traversal, in such case it cannot go to its |
| 264 | * child in the flow, so it is made as child |
| 265 | * traversal and proceeded to continue. |
| 266 | */ |
| 267 | } else if (curTraversal == PARENT && |
| 268 | isMultiInstanceNode(curNode)) { |
| 269 | curTraversal = CHILD; |
| 270 | } |
| 271 | } |
| 272 | } |
| 273 | /* |
| 274 | * Checks for the sibling augment when the first augment node is |
| 275 | * getting completed. From the current augment node the previous |
| 276 | * node info is taken for augment and the traversal is changed to |
| 277 | * child, so as to check for the presence of sibling augment. |
| 278 | */ |
| 279 | if (curTraversal == PARENT && isAugmentNode(curNode)) { |
| 280 | curNode = ((YangAugment) curNode).getAugmentedNode(); |
| 281 | augmentNodeInfo = getParentYtbInfo(); |
| 282 | curTraversal = CHILD; |
| 283 | } |
| 284 | /* |
| 285 | * Creates an augment iterator for the first time or takes the |
| 286 | * previous augment iterator for more than one time, whenever an |
| 287 | * augmentative node arrives. If augment is present it goes back |
| 288 | * for processing. If its null, the augmentative nodes process is |
| 289 | * continued. |
| 290 | */ |
| 291 | if (curTraversal != PARENT && |
| 292 | curNode instanceof YangAugmentableNode) { |
| 293 | YangNode augmentNode = getAugmentInsideSchemaNode( |
| 294 | curNode, augmentNodeInfo); |
| 295 | if (augmentNode != null) { |
| 296 | curNode = augmentNode; |
| 297 | continue; |
| 298 | } |
| 299 | } |
| 300 | /* |
| 301 | * Processes the child, after processing the node. If complete |
| 302 | * child depth is over, it takes up sibling and processes it. |
| 303 | * Once child and sibling is over, it is traversed back to the |
| 304 | * parent, without processing. In multi instance case, before |
| 305 | * going to parent or schema sibling, its own list sibling is |
| 306 | * processed. Skips the processing of RPC,notification and |
| 307 | * augment, as these nodes are dealt in a different flow. |
| 308 | */ |
| 309 | if (curTraversal != PARENT && curNode.getChild() != null) { |
| 310 | augmentNodeInfo = null; |
| 311 | listNodeInfo = null; |
| 312 | curTraversal = CHILD; |
| 313 | curNode = curNode.getChild(); |
| 314 | if (isNonProcessableNode(curNode)) { |
| 315 | YtbTraversalInfo traverseInfo = getProcessableInfo(curNode); |
| 316 | curNode = traverseInfo.getYangNode(); |
| 317 | curTraversal = traverseInfo.getTraverseType(); |
| 318 | } |
| 319 | } else if (curNode.getNextSibling() != null) { |
| 320 | if (isNodeProcessCompleted(curNode, curTraversal)) { |
| 321 | break; |
| 322 | } |
| 323 | if (isMultiInstanceNode(curNode)) { |
| 324 | listNodeInfo = getCurNodeInfoAndTraverseBack(); |
| 325 | augmentNodeInfo = null; |
| 326 | continue; |
| 327 | } |
| 328 | curTraversal = SIBLING; |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 329 | augmentNodeInfo = null; |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 330 | traverseToParent(curNode); |
| 331 | curNode = curNode.getNextSibling(); |
| 332 | if (isNonProcessableNode(curNode)) { |
| 333 | YtbTraversalInfo traverseInfo = getProcessableInfo(curNode); |
| 334 | curNode = traverseInfo.getYangNode(); |
| 335 | curTraversal = traverseInfo.getTraverseType(); |
| 336 | } |
| 337 | } else { |
| 338 | if (isNodeProcessCompleted(curNode, curTraversal)) { |
| 339 | break; |
| 340 | } |
| 341 | if (isMultiInstanceNode(curNode)) { |
| 342 | listNodeInfo = getCurNodeInfoAndTraverseBack(); |
| 343 | augmentNodeInfo = null; |
| 344 | continue; |
| 345 | } |
| 346 | curTraversal = PARENT; |
| 347 | traverseToParent(curNode); |
Vidyashree Rama | 9f34bad | 2016-12-08 18:07:08 +0530 | [diff] [blame] | 348 | curNode = getParentSchemaNode(curNode); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 349 | } |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | /** |
Vidyashree Rama | 9f34bad | 2016-12-08 18:07:08 +0530 | [diff] [blame] | 354 | * Returns parent schema node of current node. |
| 355 | * |
| 356 | * @param curNode current schema node |
| 357 | * @return parent schema node |
| 358 | */ |
| 359 | private YangNode getParentSchemaNode(YangNode curNode) { |
| 360 | if (curNode instanceof YangAugment) { |
| 361 | /* |
| 362 | * If curNode is augment, either next augment or augmented node |
| 363 | * has to be processed. So traversal type is changed to parent, |
| 364 | * but node is not changed. |
| 365 | */ |
| 366 | return curNode; |
| 367 | } |
| 368 | return curNode.getParent(); |
| 369 | } |
| 370 | |
| 371 | /** |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 372 | * Processes root YANG node and adds it as a child to the YDT |
| 373 | * extended builder which is created earlier. |
| 374 | */ |
| 375 | private void processApplicationRootNode() { |
| 376 | |
| 377 | YtbNodeInfo nodeInfo = new YtbNodeInfo(); |
| 378 | YangNode rootYang = (YangNode) rootSchema; |
| 379 | addChildNodeInYdt(rootObj, rootYang, nodeInfo); |
| 380 | // If root node has leaf or leaf-list those will be processed. |
| 381 | processLeaves(rootYang); |
| 382 | processLeavesList(rootYang); |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Traverses to parent, based on the schema node that requires to be |
| 387 | * traversed. Skips traversal of parent for choice and case node, as they |
| 388 | * don't get added to the YDT tree. |
| 389 | * |
| 390 | * @param curNode current YANG node |
| 391 | */ |
| 392 | private void traverseToParent(YangNode curNode) { |
Vidyashree Rama | 9f34bad | 2016-12-08 18:07:08 +0530 | [diff] [blame] | 393 | if (curNode instanceof YangCase || curNode instanceof YangChoice |
| 394 | || curNode instanceof YangAugment) { |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 395 | return; |
| 396 | } |
| 397 | extBuilder.traverseToParentWithoutValidation(); |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * Returns the current YTB info of the YDT builder, and then traverses back |
| 402 | * to parent. In case of multi instance node the previous node info is |
| 403 | * used for iterating through the list. |
| 404 | * |
| 405 | * @return current YTB app info |
| 406 | */ |
| 407 | private YtbNodeInfo getCurNodeInfoAndTraverseBack() { |
| 408 | YtbNodeInfo appInfo = getParentYtbInfo(); |
| 409 | extBuilder.traverseToParentWithoutValidation(); |
| 410 | return appInfo; |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * Returns augment node for an augmented node. From the list of augment |
| 415 | * nodes it has, one of the nodes is taken and provided linearly. If the |
| 416 | * node is not augmented or the all the augment nodes are processed, then |
| 417 | * it returns null. |
| 418 | * |
| 419 | * @param curNode current YANG node |
| 420 | * @param augmentNodeInfo previous augment node info |
| 421 | * @return YANG augment node |
| 422 | */ |
| 423 | private YangNode getAugmentInsideSchemaNode(YangNode curNode, |
| 424 | YtbNodeInfo augmentNodeInfo) { |
| 425 | if (augmentNodeInfo == null) { |
| 426 | List<YangAugment> augmentList = ((YangAugmentableNode) curNode) |
| 427 | .getAugmentedInfoList(); |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 428 | if (nonEmpty(augmentList)) { |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 429 | YtbNodeInfo parentNodeInfo = getParentYtbInfo(); |
| 430 | Iterator<YangAugment> augmentItr = augmentList.listIterator(); |
| 431 | parentNodeInfo.setAugmentIterator(augmentItr); |
| 432 | return augmentItr.next(); |
| 433 | } |
| 434 | } else if (augmentNodeInfo.getAugmentIterator() != null) { |
| 435 | if (augmentNodeInfo.getAugmentIterator().hasNext()) { |
| 436 | return augmentNodeInfo.getAugmentIterator().next(); |
| 437 | } |
| 438 | } |
| 439 | return null; |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * Processes the current YANG node and if necessary adds it to the YDT |
| 444 | * builder tree by extracting the information from the corresponding |
| 445 | * class object. |
| 446 | * |
| 447 | * @param curNode current YANG node |
| 448 | * @param listNodeInfo previous node info for list |
| 449 | * @return object of the schema node |
| 450 | */ |
| 451 | private Object processCurSchemaNodeAndAddToYdt(YangNode curNode, |
| 452 | YtbNodeInfo listNodeInfo) { |
| 453 | YtbNodeInfo curNodeInfo = new YtbNodeInfo(); |
| 454 | Object nodeObj = null; |
| 455 | YtbNodeInfo parentNodeInfo = getParentYtbInfo(); |
| 456 | |
| 457 | switch (curNode.getYangSchemaNodeType()) { |
| 458 | case YANG_SINGLE_INSTANCE_NODE: |
| 459 | nodeObj = processSingleInstanceNode(curNode, curNodeInfo, |
| 460 | parentNodeInfo); |
| 461 | break; |
| 462 | case YANG_MULTI_INSTANCE_NODE: |
| 463 | nodeObj = processMultiInstanceNode( |
| 464 | curNode, curNodeInfo, listNodeInfo, parentNodeInfo); |
| 465 | break; |
| 466 | case YANG_CHOICE_NODE: |
| 467 | nodeObj = processChoiceNode(curNode, parentNodeInfo); |
| 468 | break; |
| 469 | case YANG_NON_DATA_NODE: |
| 470 | if (curNode instanceof YangCase) { |
| 471 | nodeObj = processCaseNode(curNode, parentNodeInfo); |
| 472 | } |
| 473 | break; |
| 474 | case YANG_AUGMENT_NODE: |
| 475 | nodeObj = processAugmentNode(curNode, parentNodeInfo); |
| 476 | break; |
| 477 | default: |
| 478 | throw new YtbException( |
| 479 | "Non processable schema node has arrived for adding " + |
| 480 | "it in YDT tree"); |
| 481 | } |
| 482 | // Processes leaf/leaf-list only when object has value, else it skips. |
| 483 | if (nodeObj != null) { |
| 484 | processLeaves(curNode); |
| 485 | processLeavesList(curNode); |
| 486 | } |
| 487 | return nodeObj; |
| 488 | } |
| 489 | |
| 490 | /** |
| 491 | * Processes single instance node which is added to the YDT tree. |
| 492 | * |
| 493 | * @param curNode current YANG node |
| 494 | * @param curNodeInfo current YDT node info |
| 495 | * @param parentNodeInfo parent YDT node info |
| 496 | * @return object of the current node |
| 497 | */ |
| 498 | private Object processSingleInstanceNode(YangNode curNode, |
| 499 | YtbNodeInfo curNodeInfo, |
| 500 | YtbNodeInfo parentNodeInfo) { |
| 501 | Object childObj = getChildObject(curNode, parentNodeInfo); |
| 502 | if (childObj != null) { |
| 503 | addChildNodeInYdt(childObj, curNode, curNodeInfo); |
| 504 | } |
| 505 | return childObj; |
| 506 | } |
| 507 | |
| 508 | /** |
| 509 | * Processes multi instance node which has to be added to the YDT tree. |
| 510 | * For the first instance in the list, iterator is created and added to |
| 511 | * the list. For second instance or more the iterator from first instance |
| 512 | * is taken and iterated through to get the object of parent. |
| 513 | * |
| 514 | * @param curNode current list node |
| 515 | * @param curNodeInfo current node info for list |
| 516 | * @param listNodeInfo previous instance node info of list |
| 517 | * @param parentNodeInfo parent node info of list |
| 518 | * @return object of the current instance |
| 519 | */ |
| 520 | private Object processMultiInstanceNode(YangNode curNode, |
| 521 | YtbNodeInfo curNodeInfo, |
| 522 | YtbNodeInfo listNodeInfo, |
| 523 | YtbNodeInfo parentNodeInfo) { |
| 524 | Object childObj = null; |
| 525 | /* |
| 526 | * When YANG list comes to this flow for first time, its YTB node |
| 527 | * will be null. When it comes for the second or more content, then |
| 528 | * the list would have been already set for that node. According to |
| 529 | * set or not set this flow will be proceeded. |
| 530 | */ |
| 531 | if (listNodeInfo == null) { |
| 532 | List<Object> childObjList = (List<Object>) getChildObject( |
| 533 | curNode, parentNodeInfo); |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 534 | if (nonEmpty(childObjList)) { |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 535 | Iterator<Object> listItr = childObjList.iterator(); |
| 536 | if (!listItr.hasNext()) { |
| 537 | return null; |
| 538 | //TODO: Handle the subtree filtering with no list entries. |
| 539 | } |
| 540 | childObj = listItr.next(); |
| 541 | /* |
| 542 | * For that node the iterator is set. So the next time for |
| 543 | * the list this iterator will be taken. |
| 544 | */ |
| 545 | curNodeInfo.setListIterator(listItr); |
| 546 | } |
| 547 | } else { |
| 548 | /* |
| 549 | * If the list value comes for second or more time, that list |
| 550 | * node will be having YTB node info, where iterator can be |
| 551 | * retrieved and check if any more contents are present. If |
| 552 | * present those will be processed. |
| 553 | */ |
| 554 | curNodeInfo.setListIterator(listNodeInfo.getListIterator()); |
| 555 | if (listNodeInfo.getListIterator().hasNext()) { |
| 556 | childObj = listNodeInfo.getListIterator().next(); |
| 557 | } |
| 558 | } |
| 559 | if (childObj != null) { |
| 560 | addChildNodeInYdt(childObj, curNode, curNodeInfo); |
| 561 | } |
| 562 | return childObj; |
| 563 | } |
| 564 | |
| 565 | /** |
| 566 | * Processes choice node which adds a map to the parent node info of |
| 567 | * choice name and the case object. The object taken for choice node is |
| 568 | * of case object with choice name. Also, this Skips the addition of choice |
| 569 | * to YDT. |
| 570 | * |
| 571 | * @param curNode current choice node |
| 572 | * @param parentNodeInfo parent YTB node info |
| 573 | * @return object of the choice node |
| 574 | */ |
| 575 | private Object processChoiceNode(YangNode curNode, |
| 576 | YtbNodeInfo parentNodeInfo) { |
| 577 | /* |
| 578 | * Retrieves the parent YTB info, to take the object of parent, so as |
| 579 | * to check the child attribute from the object. |
| 580 | */ |
| 581 | Object childObj = getChildObject(curNode, parentNodeInfo); |
| 582 | if (childObj != null) { |
| 583 | Map<String, Object> choiceCaseMap = parentNodeInfo |
| 584 | .getChoiceCaseMap(); |
| 585 | if (choiceCaseMap == null) { |
| 586 | choiceCaseMap = new HashMap<>(); |
| 587 | parentNodeInfo.setChoiceCaseMap(choiceCaseMap); |
| 588 | } |
| 589 | choiceCaseMap.put(curNode.getName(), childObj); |
| 590 | } |
| 591 | return childObj; |
| 592 | } |
| 593 | |
| 594 | /** |
| 595 | * Processes case node from the map contents that is filled by choice |
| 596 | * nodes. Object of choice is taken when choice name and case class name |
| 597 | * matches. When the case node is not present in the map it returns null. |
| 598 | * |
| 599 | * @param curNode current case node |
| 600 | * @param parentNodeInfo choice parent node info |
| 601 | * @return object of the case node |
| 602 | */ |
| 603 | private Object processCaseNode(YangNode curNode, |
| 604 | YtbNodeInfo parentNodeInfo) { |
| 605 | Object childObj = null; |
| 606 | if (parentNodeInfo.getChoiceCaseMap() != null) { |
| 607 | childObj = getCaseObjectFromChoice(parentNodeInfo, |
| 608 | curNode); |
| 609 | } |
| 610 | if (childObj != null) { |
| 611 | /* |
| 612 | * Sets the case object in parent info, so that rest of the case |
| 613 | * children can use it as parent. Case is not added in YDT. |
| 614 | */ |
| 615 | parentNodeInfo.setCaseObject(childObj); |
| 616 | } |
| 617 | return childObj; |
| 618 | } |
| 619 | |
| 620 | /** |
| 621 | * Processes augment node, which is not added in the YDT, but binds |
| 622 | * itself to the parent YTB info, so rest of its child nodes can use for |
| 623 | * adding themselves to the YDT tree. If there is no augment node added |
| 624 | * in map or if the augment module is not registered, then it returns null. |
| 625 | * |
| 626 | * @param curNode current augment node |
| 627 | * @param parentNodeInfo augment parent node info |
| 628 | * @return object of the augment node |
| 629 | */ |
| 630 | private Object processAugmentNode(YangNode curNode, |
| 631 | YtbNodeInfo parentNodeInfo) { |
| 632 | String className = curNode.getJavaClassNameOrBuiltInType(); |
| 633 | String pkgName = curNode.getJavaPackage(); |
| 634 | Object parentObj = getParentObjectOfNode(parentNodeInfo, |
| 635 | curNode.getParent()); |
| 636 | Map augmentMap; |
| 637 | try { |
| 638 | augmentMap = (Map) getAttributeOfObject(parentObj, |
| 639 | YANG_AUGMENTED_INFO_MAP); |
| 640 | /* |
| 641 | * Gets the registered module class. Loads the class and gets the |
| 642 | * augment class. |
| 643 | */ |
| 644 | Class moduleClass = getClassLoaderForAugment(curNode, registry); |
| 645 | if (moduleClass == null) { |
| 646 | return null; |
| 647 | } |
| 648 | Class augmentClass = moduleClass.getClassLoader().loadClass( |
| 649 | pkgName + PERIOD + className); |
| 650 | Object childObj = augmentMap.get(augmentClass); |
| 651 | parentNodeInfo.setAugmentObject(childObj); |
| 652 | return childObj; |
| 653 | } catch (ClassNotFoundException | NoSuchMethodException e) { |
| 654 | throw new YtbException(e); |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * Returns the YTB info from the parent node, so that its own bounded |
| 660 | * object can be taken out. |
| 661 | * |
| 662 | * @return parent node YTB node info |
| 663 | */ |
| 664 | private YtbNodeInfo getParentYtbInfo() { |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 665 | YdtExtendedContext parentExtContext = extBuilder.getCurNode(); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 666 | return (YtbNodeInfo) parentExtContext.getAppInfo(YTB); |
| 667 | } |
| 668 | |
| 669 | /** |
| 670 | * Returns the child object from the parent object. Uses java name of the |
| 671 | * current node to search the attribute in the parent object. |
| 672 | * |
| 673 | * @param curNode current YANG node |
| 674 | * @param parentNodeInfo parent YTB node info |
| 675 | * @return object of the child node |
| 676 | */ |
| 677 | private Object getChildObject(YangNode curNode, |
| 678 | YtbNodeInfo parentNodeInfo) { |
| 679 | String nodeJavaName = curNode.getJavaAttributeName(); |
| 680 | Object parentObj = getParentObjectOfNode(parentNodeInfo, |
| 681 | curNode.getParent()); |
| 682 | try { |
| 683 | return getAttributeOfObject(parentObj, nodeJavaName); |
| 684 | } catch (NoSuchMethodException e) { |
| 685 | throw new YtbException(e); |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | /** |
| 690 | * Adds the child node to the YDT by taking operation type from the |
| 691 | * object. Also, binds the object to the YDT node through YTB node info. |
| 692 | * |
| 693 | * @param childObj node object |
| 694 | * @param curNode current YANG node |
| 695 | * @param curNodeInfo current YTB info |
| 696 | */ |
| 697 | private void addChildNodeInYdt(Object childObj, YangNode curNode, |
| 698 | YtbNodeInfo curNodeInfo) { |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 699 | YdtContextOperationType opType = |
| 700 | getNodeOpType(childObj, getOpTypeName(curNode)); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 701 | extBuilder.addChild(opType, curNode); |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 702 | YdtExtendedContext curExtContext = extBuilder.getCurNode(); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 703 | curNodeInfo.setYangObject(childObj); |
| 704 | curExtContext.addAppInfo(YTB, curNodeInfo); |
| 705 | } |
| 706 | |
| 707 | /** |
| 708 | * Processes every leaf in a YANG node. Iterates through the leaf, takes |
| 709 | * value from the leaf and adds it to the YDT with value. If value is not |
| 710 | * present, and select leaf is set, adds it to the YDT without value. |
| 711 | * |
| 712 | * @param yangNode leaves holder node |
| 713 | */ |
| 714 | private void processLeaves(YangNode yangNode) { |
| 715 | if (yangNode instanceof YangLeavesHolder) { |
| 716 | List<YangLeaf> leavesList = ((YangLeavesHolder) yangNode) |
| 717 | .getListOfLeaf(); |
| 718 | if (leavesList != null) { |
| 719 | for (YangLeaf yangLeaf : leavesList) { |
| 720 | YtbNodeInfo parentYtbInfo = getParentYtbInfo(); |
| 721 | Object parentObj = getParentObjectOfNode(parentYtbInfo, |
| 722 | yangNode); |
| 723 | Object leafType; |
| 724 | try { |
| 725 | leafType = getAttributeOfObject(parentObj, |
| 726 | getJavaName(yangLeaf)); |
| 727 | } catch (NoSuchMethodException e) { |
| 728 | throw new YtbException(e); |
| 729 | } |
| 730 | |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 731 | addLeafWithValue(yangNode, yangLeaf, parentObj, leafType); |
| 732 | addLeafWithoutValue(yangNode, yangLeaf, parentObj); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 733 | } |
| 734 | } |
| 735 | } |
| 736 | } |
| 737 | |
| 738 | /** |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 739 | * Processes every leaf-list in a YANG node for adding the value in YDT. |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 740 | * |
| 741 | * @param yangNode list of leaf-list holder node |
| 742 | */ |
| 743 | private void processLeavesList(YangNode yangNode) { |
| 744 | if (yangNode instanceof YangLeavesHolder) { |
| 745 | List<YangLeafList> listOfLeafList = |
| 746 | ((YangLeavesHolder) yangNode).getListOfLeafList(); |
| 747 | |
| 748 | if (listOfLeafList != null) { |
| 749 | for (YangLeafList yangLeafList : listOfLeafList) { |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 750 | addToBuilder(yangNode, yangLeafList); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 751 | } |
| 752 | } |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | /** |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 757 | * Processes the list of objects of the leaf list and adds the leaf list |
| 758 | * value to the builder. |
| 759 | * |
| 760 | * @param yangNode YANG node |
| 761 | * @param leafList YANG leaf list |
| 762 | */ |
| 763 | private void addToBuilder(YangNode yangNode, YangLeafList leafList) { |
| 764 | YtbNodeInfo ytbNodeInfo = getParentYtbInfo(); |
| 765 | Object parentObj = getParentObjectOfNode(ytbNodeInfo, yangNode); |
| 766 | List<Object> obj; |
| 767 | try { |
| 768 | obj = (List<Object>) getAttributeOfObject(parentObj, |
| 769 | getJavaName(leafList)); |
| 770 | } catch (NoSuchMethodException e) { |
| 771 | throw new YtbException(e); |
| 772 | } |
| 773 | if (obj != null) { |
| 774 | addLeafListValue(yangNode, parentObj, leafList, obj); |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | /** |
| 779 | * Adds the leaf list value to the YDT builder by taking the string value |
| 780 | * from the data type. |
| 781 | * |
| 782 | * @param yangNode YANG node |
| 783 | * @param parentObj parent object |
| 784 | * @param leafList YANG leaf list |
| 785 | * @param obj list of objects |
| 786 | */ |
| 787 | private void addLeafListValue(YangNode yangNode, Object parentObj, |
| 788 | YangLeafList leafList, List<Object> obj) { |
| 789 | |
| 790 | Set<String> leafListVal = new LinkedHashSet<>(); |
| 791 | boolean isEmpty = false; |
| 792 | for (Object object : obj) { |
| 793 | String val = getStringFromType(yangNode, parentObj, |
| 794 | getJavaName(leafList), object, |
| 795 | leafList.getDataType()); |
| 796 | isEmpty = isTypeEmpty(val, leafList.getDataType()); |
| 797 | if (isEmpty) { |
| 798 | if (val.equals(TRUE)) { |
| 799 | addLeafList(leafListVal, leafList); |
| 800 | } |
| 801 | break; |
| 802 | } |
| 803 | if (!val.equals("")) { |
| 804 | leafListVal.add(val); |
| 805 | } |
| 806 | } |
| 807 | if (!isEmpty && !leafListVal.isEmpty()) { |
| 808 | addLeafList(leafListVal, leafList); |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | /** |
| 813 | * Adds set of leaf list values in the builder and traverses back to the |
| 814 | * holder. |
| 815 | * |
| 816 | * @param leafListVal set of values |
| 817 | * @param leafList YANG leaf list |
| 818 | */ |
| 819 | private void addLeafList(Set<String> leafListVal, YangLeafList leafList) { |
| 820 | extBuilder.addLeafList(leafListVal, leafList); |
| 821 | extBuilder.traverseToParentWithoutValidation(); |
| 822 | } |
| 823 | |
| 824 | /** |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 825 | * Returns the schema node of notification from the root node. Gets the |
| 826 | * enum value from event object and gives it to the root schema node for |
| 827 | * getting back the notification schema node. |
| 828 | * |
| 829 | * @return YANG schema node of notification |
| 830 | */ |
| 831 | private YangSchemaNode getSchemaNodeOfNotification() { |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 832 | |
| 833 | Object eventObjType = getAttributeFromInheritance(rootObj, STR_TYPE); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 834 | String opTypeValue = String.valueOf(eventObjType); |
| 835 | |
| 836 | if (opTypeValue.equals(STR_NULL) || opTypeValue.isEmpty()) { |
| 837 | throw new YtbException( |
| 838 | "There is no notification present for the event. Invalid " + |
| 839 | "input for notification."); |
| 840 | } |
| 841 | try { |
| 842 | return rootSchema.getNotificationSchemaNode(opTypeValue); |
| 843 | } catch (DataModelException e) { |
| 844 | throw new YtbException(e); |
| 845 | } |
| 846 | } |
| 847 | |
| 848 | /** |
| 849 | * Returns the object of the notification by retrieving the attributes |
| 850 | * from the event class object. |
| 851 | * |
| 852 | * @return notification YANG object |
| 853 | */ |
| 854 | private Object getObjOfNotification() { |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 855 | |
| 856 | Object eventSubjectObj = |
| 857 | getAttributeFromInheritance(rootObj, STR_SUBJECT); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 858 | String notificationName = rootSchema.getJavaAttributeName(); |
| 859 | try { |
| 860 | return getAttributeOfObject(eventSubjectObj, notificationName); |
| 861 | } catch (NoSuchMethodException e) { |
| 862 | throw new YtbException(e); |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | /** |
| 867 | * Returns case object from the map that is bound to the parent node |
| 868 | * info. For any case node, only when the key and value is matched the |
| 869 | * object of the case is provided. If a match is not found, null is |
| 870 | * returned. |
| 871 | * |
| 872 | * @param parentNodeInfo parent YTB node info |
| 873 | * @param caseNode case schema node |
| 874 | * @return object of the case node |
| 875 | */ |
| 876 | private Object getCaseObjectFromChoice(YtbNodeInfo parentNodeInfo, |
| 877 | YangSchemaNode caseNode) { |
| 878 | String javaName = getCapitalCase( |
| 879 | caseNode.getJavaClassNameOrBuiltInType()); |
| 880 | String choiceName = ((YangNode) caseNode).getParent().getName(); |
| 881 | Map<String, Object> mapObj = parentNodeInfo.getChoiceCaseMap(); |
| 882 | Object caseObj = mapObj.get(choiceName); |
| 883 | Class<?> interfaceClass = getInterfaceClassFromImplClass(caseObj); |
| 884 | return interfaceClass.getSimpleName().equals(javaName) ? caseObj : null; |
| 885 | } |
| 886 | |
| 887 | /** |
| 888 | * Adds leaf to YDT when value is present. For primitive types, in order |
| 889 | * to avoid default values, the value select is set or not is checked and |
| 890 | * then added. |
| 891 | * |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 892 | * @param holder leaf holder |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 893 | * @param yangLeaf YANG leaf node |
| 894 | * @param parentObj leaf holder object |
| 895 | * @param leafType object of leaf type |
| 896 | */ |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 897 | private void addLeafWithValue(YangSchemaNode holder, YangLeaf yangLeaf, |
| 898 | Object parentObj, Object leafType) { |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 899 | String fieldValue = null; |
| 900 | if (isTypePrimitive(yangLeaf.getDataType())) { |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 901 | fieldValue = getLeafValueFromValueSetFlag(holder, parentObj, |
| 902 | yangLeaf, leafType); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 903 | /* |
| 904 | * Checks the object is present or not, when type is |
| 905 | * non-primitive. And adds the value from the respective data type. |
| 906 | */ |
| 907 | } else if (leafType != null) { |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 908 | fieldValue = getStringFromType(holder, parentObj, |
| 909 | getJavaName(yangLeaf), leafType, |
| 910 | yangLeaf.getDataType()); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 911 | } |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 912 | |
| 913 | if (nonEmpty(fieldValue)) { |
| 914 | boolean isEmpty = isTypeEmpty(fieldValue, |
| 915 | yangLeaf.getDataType()); |
| 916 | if (isEmpty) { |
| 917 | if (!fieldValue.equals(TRUE)) { |
| 918 | return; |
| 919 | } |
| 920 | fieldValue = null; |
| 921 | } |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 922 | extBuilder.addLeaf(fieldValue, yangLeaf); |
| 923 | extBuilder.traverseToParentWithoutValidation(); |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | /** |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 928 | * Returns the value as true if direct or referred type from leafref or |
| 929 | * derived points to empty data type; false otherwise. |
| 930 | * |
| 931 | * @param fieldValue value of the leaf |
| 932 | * @param dataType type of the leaf |
| 933 | * @return true if type is empty; false otherwise. |
| 934 | */ |
| 935 | private boolean isTypeEmpty(String fieldValue, YangType<?> dataType) { |
| 936 | if (fieldValue.equals(TRUE) || fieldValue.equals(FALSE)) { |
| 937 | switch (dataType.getDataType()) { |
| 938 | case EMPTY: |
| 939 | return true; |
| 940 | |
| 941 | case LEAFREF: |
| 942 | YangLeafRef leafRef = |
| 943 | (YangLeafRef) dataType.getDataTypeExtendedInfo(); |
| 944 | return isTypeEmpty(fieldValue, |
| 945 | leafRef.getEffectiveDataType()); |
| 946 | case DERIVED: |
| 947 | YangDerivedInfo info = |
| 948 | (YangDerivedInfo) dataType |
| 949 | .getDataTypeExtendedInfo(); |
| 950 | YangDataTypes type = info.getEffectiveBuiltInType(); |
| 951 | return type == EMPTY; |
| 952 | |
| 953 | default: |
| 954 | return false; |
| 955 | } |
| 956 | } |
| 957 | return false; |
| 958 | } |
| 959 | |
| 960 | /** |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 961 | * Adds leaf without value, when the select leaf bit is set. |
| 962 | * |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 963 | * @param holder leaf holder |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 964 | * @param yangLeaf YANG leaf node |
| 965 | * @param parentObj leaf holder object |
| 966 | */ |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 967 | private void addLeafWithoutValue(YangSchemaNode holder, YangLeaf yangLeaf, |
| 968 | Object parentObj) { |
| 969 | |
| 970 | String selectLeaf; |
| 971 | try { |
| 972 | selectLeaf = isValueOrSelectLeafSet(holder, parentObj, |
| 973 | getJavaName(yangLeaf), |
| 974 | IS_SELECT_LEAF_SET_METHOD); |
| 975 | } catch (NoSuchMethodException e) { |
| 976 | selectLeaf = FALSE; |
| 977 | } |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 978 | if (selectLeaf.equals(TRUE)) { |
| 979 | extBuilder.addLeaf(null, yangLeaf); |
| 980 | extBuilder.traverseToParentWithoutValidation(); |
| 981 | } |
| 982 | } |
| 983 | |
| 984 | /** |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 985 | * Returns the value of type, after checking the value leaf flag. If the |
| 986 | * flag is set, then it takes the value else returns null. |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 987 | * |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 988 | * @param holder leaf holder |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 989 | * @param parentObj parent object |
| 990 | * @param yangLeaf YANG leaf node |
| 991 | * @param leafType object of leaf type |
| 992 | * @return value of type |
| 993 | */ |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 994 | private String getLeafValueFromValueSetFlag(YangSchemaNode holder, Object parentObj, |
| 995 | YangLeaf yangLeaf, Object leafType) { |
| 996 | |
| 997 | String valueOfLeaf; |
| 998 | try { |
| 999 | valueOfLeaf = isValueOrSelectLeafSet(holder, parentObj, |
| 1000 | getJavaName(yangLeaf), |
| 1001 | IS_LEAF_VALUE_SET_METHOD); |
| 1002 | } catch (NoSuchMethodException e) { |
| 1003 | throw new YtbException(e); |
| 1004 | } |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 1005 | if (valueOfLeaf.equals(TRUE)) { |
janani b | 9069eb4 | 2016-11-24 17:50:08 +0530 | [diff] [blame] | 1006 | return getStringFromType(holder, parentObj, |
| 1007 | getJavaName(yangLeaf), leafType, |
| 1008 | yangLeaf.getDataType()); |
janani b | 05614f1 | 2016-10-04 12:55:43 +0530 | [diff] [blame] | 1009 | } |
| 1010 | return null; |
| 1011 | } |
| 1012 | |
| 1013 | /** |
| 1014 | * Returns the node info which can be processed, by eliminating the nodes |
| 1015 | * which need not to be processed at normal conditions such as RPC, |
| 1016 | * notification and augment. |
| 1017 | * |
| 1018 | * @param curNode current node |
| 1019 | * @return info of node which needs processing |
| 1020 | */ |
| 1021 | private YtbTraversalInfo getProcessableInfo(YangNode curNode) { |
| 1022 | if (curNode.getNextSibling() != null) { |
| 1023 | YangNode sibling = curNode.getNextSibling(); |
| 1024 | while (isNonProcessableNode(sibling)) { |
| 1025 | sibling = sibling.getNextSibling(); |
| 1026 | } |
| 1027 | if (sibling != null) { |
| 1028 | return new YtbTraversalInfo(sibling, SIBLING); |
| 1029 | } |
| 1030 | } |
| 1031 | return new YtbTraversalInfo(curNode.getParent(), PARENT); |
| 1032 | } |
| 1033 | |
| 1034 | } |