opendaylight/md-sal/sal-rest-connector/src/test/java/org/opendaylight/controller/sal/restconf/impl/test/RestGetOperationTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.sal.restconf.impl.test;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertNull;
  14 import static org.junit.Assert.assertTrue;
  15 import static org.junit.Assert.fail;
  16 import static org.mockito.Matchers.any;
  17 import static org.mockito.Matchers.eq;
  18 import static org.mockito.Mockito.mock;
  19 import static org.mockito.Mockito.when;
  20
  21 import com.google.common.base.Optional;
  22 import com.google.common.collect.Lists;
  23 import com.google.common.collect.Maps;
  24 import java.io.FileNotFoundException;
  25 import java.io.UnsupportedEncodingException;
  26 import java.net.URI;
  27 import java.net.URISyntaxException;
  28 import java.text.ParseException;
  29 import java.text.SimpleDateFormat;
  30 import java.util.ArrayList;
  31 import java.util.Date;
  32 import java.util.HashSet;
  33 import java.util.List;
  34 import java.util.Map;
  35 import java.util.Set;
  36 import java.util.regex.Matcher;
  37 import java.util.regex.Pattern;
  38 import javax.ws.rs.core.Application;
  39 import javax.ws.rs.core.MediaType;
  40 import javax.ws.rs.core.MultivaluedHashMap;
  41 import javax.ws.rs.core.MultivaluedMap;
  42 import javax.ws.rs.core.Response;
  43 import javax.ws.rs.core.UriInfo;
  44 import org.glassfish.jersey.server.ResourceConfig;
  45 import org.glassfish.jersey.test.JerseyTest;
  46 import org.junit.BeforeClass;
  47 import org.junit.Test;
  48 import org.mockito.invocation.InvocationOnMock;
  49 import org.mockito.stubbing.Answer;
  50 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
  51 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  52 import org.opendaylight.controller.sal.rest.impl.JsonToCompositeNodeProvider;
  53 import org.opendaylight.controller.sal.rest.impl.RestconfDocumentedExceptionMapper;
  54 import org.opendaylight.controller.sal.rest.impl.StructuredDataToJsonProvider;
  55 import org.opendaylight.controller.sal.rest.impl.StructuredDataToXmlProvider;
  56 import org.opendaylight.controller.sal.rest.impl.XmlToCompositeNodeProvider;
  57 import org.opendaylight.controller.sal.restconf.impl.BrokerFacade;
  58 import org.opendaylight.controller.sal.restconf.impl.ControllerContext;
  59 import org.opendaylight.controller.sal.restconf.impl.RestconfDocumentedException;
  60 import org.opendaylight.controller.sal.restconf.impl.RestconfImpl;
  61 import org.opendaylight.yangtools.yang.common.QName;
  62 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  63 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  64 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  65 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  66 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  67 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  68 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  69 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  70 import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
  71 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  72 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  73 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafNodeBuilder;
  74 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapEntryNodeBuilder;
  75 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapNodeBuilder;
  76 import org.opendaylight.yangtools.yang.data.impl.util.CompositeNodeBuilder;
  77 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
  78 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  79 import org.opendaylight.yangtools.yang.model.api.Module;
  80 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
  81 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  82 import org.w3c.dom.Document;
  83 import org.w3c.dom.Element;
  84 import org.w3c.dom.NodeList;
  85
  86 public class RestGetOperationTest extends JerseyTest {
  87
  88     static class NodeData {
  89         Object key;
  90         Object data; // List for a CompositeNode, value Object for a SimpleNode
  91
  92         NodeData(final Object key, final Object data) {
  93             this.key = key;
  94             this.data = data;
  95         }
  96     }
  97
  98     private static BrokerFacade brokerFacade;
  99     private static RestconfImpl restconfImpl;
 100     private static SchemaContext schemaContextYangsIetf;
 101     private static SchemaContext schemaContextTestModule;
 102     private static NormalizedNode answerFromGet;
 103
 104     private static SchemaContext schemaContextModules;
 105     private static SchemaContext schemaContextBehindMountPoint;
 106
 107     private static final String RESTCONF_NS = "urn:ietf:params:xml:ns:yang:ietf-restconf";
 108
 109     @BeforeClass
 110     public static void init() throws FileNotFoundException, ParseException {
 111         schemaContextYangsIetf = TestUtils.loadSchemaContext("/full-versions/yangs");
 112         schemaContextTestModule = TestUtils.loadSchemaContext("/full-versions/test-module");
 113         ControllerContext controllerContext = ControllerContext.getInstance();
 114         controllerContext.setSchemas(schemaContextYangsIetf);
 115         brokerFacade = mock(BrokerFacade.class);
 116         restconfImpl = RestconfImpl.getInstance();
 117         restconfImpl.setBroker(brokerFacade);
 118         restconfImpl.setControllerContext(controllerContext);
 119         answerFromGet = TestUtils.prepareNormalizedNodeWithIetfInterfacesInterfacesData();
 120
 121         schemaContextModules = TestUtils.loadSchemaContext("/modules");
 122         schemaContextBehindMountPoint = TestUtils.loadSchemaContext("/modules/modules-behind-mount-point");
 123     }
 124
 125     @Override
 126     protected Application configure() {
 127         /* enable/disable Jersey logs to console */
 128         // enable(TestProperties.LOG_TRAFFIC);
 129         // enable(TestProperties.DUMP_ENTITY);
 130         // enable(TestProperties.RECORD_LOG_LEVEL);
 131         // set(TestProperties.RECORD_LOG_LEVEL, Level.ALL.intValue());
 132         ResourceConfig resourceConfig = new ResourceConfig();
 133         resourceConfig = resourceConfig.registerInstances(restconfImpl, StructuredDataToXmlProvider.INSTANCE,
 134                 StructuredDataToJsonProvider.INSTANCE, XmlToCompositeNodeProvider.INSTANCE,
 135                 JsonToCompositeNodeProvider.INSTANCE);
 136         resourceConfig.registerClasses(RestconfDocumentedExceptionMapper.class);
 137         return resourceConfig;
 138     }
 139
 140     /**
 141      * Tests of status codes for "/operational/{identifier}".
 142      */
 143     @Test
 144     public void getOperationalStatusCodes() throws UnsupportedEncodingException {
 145         mockReadOperationalDataMethod();
 146         String uri = "/operational/ietf-interfaces:interfaces/interface/eth0";
 147         assertEquals(200, get(uri, MediaType.APPLICATION_XML));
 148
 149         uri = "/operational/wrong-module:interfaces/interface/eth0";
 150         assertEquals(400, get(uri, MediaType.APPLICATION_XML));
 151     }
 152
 153     /**
 154      * Tests of status codes for "/config/{identifier}".
 155      */
 156     @Test
 157     public void getConfigStatusCodes() throws UnsupportedEncodingException {
 158         mockReadConfigurationDataMethod();
 159         String uri = "/config/ietf-interfaces:interfaces/interface/eth0";
 160         assertEquals(200, get(uri, MediaType.APPLICATION_XML));
 161
 162         uri = "/config/wrong-module:interfaces/interface/eth0";
 163         assertEquals(400, get(uri, MediaType.APPLICATION_XML));
 164     }
 165
 166     /**
 167      * MountPoint test. URI represents mount point.
 168      */
 169     @Test
 170     public void getDataWithUrlMountPoint() throws UnsupportedEncodingException, URISyntaxException, ParseException {
 171         when(brokerFacade.readConfigurationData(any(DOMMountPoint.class), any(YangInstanceIdentifier.class))).thenReturn(
 172                 prepareCnDataForMountPointTest(false));
 173         DOMMountPoint mountInstance = mock(DOMMountPoint.class);
 174         when(mountInstance.getSchemaContext()).thenReturn(schemaContextTestModule);
 175         DOMMountPointService mockMountService = mock(DOMMountPointService.class);
 176         when(mockMountService.getMountPoint(any(YangInstanceIdentifier.class))).thenReturn(Optional.of(mountInstance));
 177
 178         ControllerContext.getInstance().setMountService(mockMountService);
 179
 180         String uri = "/config/ietf-interfaces:interfaces/interface/0/yang-ext:mount/test-module:cont/cont1";
 181         assertEquals(200, get(uri, MediaType.APPLICATION_XML));
 182
 183         uri = "/config/ietf-interfaces:interfaces/yang-ext:mount/test-module:cont/cont1";
 184         assertEquals(200, get(uri, MediaType.APPLICATION_XML));
 185     }
 186
 187     /**
 188      * MountPoint test. URI represents mount point.
 189      *
 190      * Slashes in URI behind mount point. lst1 element with key GigabitEthernet0%2F0%2F0%2F0 (GigabitEthernet0/0/0/0) is
 191      * requested via GET HTTP operation. It is tested whether %2F character is replaced with simple / in
 192      * InstanceIdentifier parameter in method
 193      * {@link BrokerFacade#readConfigurationDataBehindMountPoint(MountInstance, YangInstanceIdentifier)} which is called in
 194      * method {@link RestconfImpl#readConfigurationData}
 195      *
 196      * @throws ParseException
 197      */
 198     @Test
 199     public void getDataWithSlashesBehindMountPoint() throws UnsupportedEncodingException, URISyntaxException,
 200             ParseException {
 201         YangInstanceIdentifier awaitedInstanceIdentifier = prepareInstanceIdentifierForList();
 202         when(brokerFacade.readConfigurationData(any(DOMMountPoint.class), eq(awaitedInstanceIdentifier))).thenReturn(
 203                 prepareCnDataForSlashesBehindMountPointTest());
 204         DOMMountPoint mountInstance = mock(DOMMountPoint.class);
 205         when(mountInstance.getSchemaContext()).thenReturn(schemaContextTestModule);
 206         DOMMountPointService mockMountService = mock(DOMMountPointService.class);
 207         when(mockMountService.getMountPoint(any(YangInstanceIdentifier.class))).thenReturn(Optional.of(mountInstance));
 208
 209         ControllerContext.getInstance().setMountService(mockMountService);
 210
 211         String uri = "/config/ietf-interfaces:interfaces/interface/0/yang-ext:mount/test-module:cont/lst1/GigabitEthernet0%2F0%2F0%2F0";
 212         assertEquals(200, get(uri, MediaType.APPLICATION_XML));
 213     }
 214
 215     private YangInstanceIdentifier prepareInstanceIdentifierForList() throws URISyntaxException, ParseException {
 216         List<PathArgument> parameters = new ArrayList<>();
 217
 218         Date revision = new SimpleDateFormat("yyyy-MM-dd").parse("2014-01-09");
 219         URI uri = new URI("test:module");
 220         QName qNameCont = QName.create(uri, revision, "cont");
 221         QName qNameList = QName.create(uri, revision, "lst1");
 222         QName qNameKeyList = QName.create(uri, revision, "lf11");
 223
 224         parameters.add(new YangInstanceIdentifier.NodeIdentifier(qNameCont));
 225         parameters.add(new YangInstanceIdentifier.NodeIdentifier(qNameList));
 226         parameters.add(new YangInstanceIdentifier.NodeIdentifierWithPredicates(qNameList, qNameKeyList,
 227                 "GigabitEthernet0/0/0/0"));
 228         return YangInstanceIdentifier.create(parameters);
 229     }
 230
 231     @Test
 232     public void getDataMountPointIntoHighestElement() throws UnsupportedEncodingException, URISyntaxException,
 233             ParseException {
 234         when(brokerFacade.readConfigurationData(any(DOMMountPoint.class), any(YangInstanceIdentifier.class))).thenReturn(
 235                 prepareCnDataForMountPointTest(true));
 236         DOMMountPoint mountInstance = mock(DOMMountPoint.class);
 237         when(mountInstance.getSchemaContext()).thenReturn(schemaContextTestModule);
 238         DOMMountPointService mockMountService = mock(DOMMountPointService.class);
 239         when(mockMountService.getMountPoint(any(YangInstanceIdentifier.class))).thenReturn(Optional.of(mountInstance));
 240
 241         ControllerContext.getInstance().setMountService(mockMountService);
 242
 243         String uri = "/config/ietf-interfaces:interfaces/interface/0/yang-ext:mount/test-module:cont";
 244         assertEquals(200, get(uri, MediaType.APPLICATION_XML));
 245     }
 246
 247     // /modules
 248     @Test
 249     public void getModulesTest() throws UnsupportedEncodingException, FileNotFoundException {
 250         ControllerContext.getInstance().setGlobalSchema(schemaContextModules);
 251
 252         String uri = "/modules";
 253
 254         Response response = target(uri).request("application/yang.api+json").get();
 255         validateModulesResponseJson(response);
 256
 257         response = target(uri).request("application/yang.api+xml").get();
 258         validateModulesResponseXml(response,schemaContextModules);
 259     }
 260
 261     // /streams/
 262     @Test
 263     public void getStreamsTest() throws UnsupportedEncodingException, FileNotFoundException {
 264         ControllerContext.getInstance().setGlobalSchema(schemaContextModules);
 265
 266         String uri = "/streams";
 267
 268         Response response = target(uri).request("application/yang.api+json").get();
 269         String responseBody = response.readEntity(String.class);
 270         assertNotNull(responseBody);
 271         assertTrue(responseBody.contains("streams"));
 272
 273         response = target(uri).request("application/yang.api+xml").get();
 274         Document responseXmlBody = response.readEntity(Document.class);
 275         assertNotNull(responseXmlBody);
 276         Element rootNode = responseXmlBody.getDocumentElement();
 277
 278         assertEquals("streams", rootNode.getLocalName());
 279         assertEquals(RESTCONF_NS, rootNode.getNamespaceURI());
 280     }
 281
 282     // /modules/module
 283     @Test
 284     public void getModuleTest() throws FileNotFoundException, UnsupportedEncodingException {
 285         ControllerContext.getInstance().setGlobalSchema(schemaContextModules);
 286
 287         String uri = "/modules/module/module2/2014-01-02";
 288
 289         Response response = target(uri).request("application/yang.api+xml").get();
 290         assertEquals(200, response.getStatus());
 291         Document responseXml = response.readEntity(Document.class);
 292
 293
 294
 295         QName qname = assertedModuleXmlToModuleQName(responseXml.getDocumentElement());
 296         assertNotNull(qname);
 297
 298         assertEquals("module2", qname.getLocalName());
 299         assertEquals("module:2", qname.getNamespace().toString());
 300         assertEquals("2014-01-02", qname.getFormattedRevision());
 301
 302         response = target(uri).request("application/yang.api+json").get();
 303         assertEquals(200, response.getStatus());
 304         String responseBody = response.readEntity(String.class);
 305         assertTrue("Module2 in json wasn't found", prepareJsonRegex("module2", "2014-01-02", "module:2", responseBody)
 306                 .find());
 307         String[] split = responseBody.split("\"module\"");
 308         assertEquals("\"module\" element is returned more then once", 2, split.length);
 309
 310     }
 311
 312     // /operations
 313     @Test
 314     public void getOperationsTest() throws FileNotFoundException, UnsupportedEncodingException {
 315         ControllerContext.getInstance().setGlobalSchema(schemaContextModules);
 316
 317         String uri = "/operations";
 318
 319         Response response = target(uri).request("application/yang.api+xml").get();
 320         assertEquals(200, response.getStatus());
 321         Document responseDoc = response.readEntity(Document.class);
 322         validateOperationsResponseXml(responseDoc, schemaContextModules);
 323
 324         response = target(uri).request("application/yang.api+json").get();
 325         assertEquals(200, response.getStatus());
 326         String responseBody = response.readEntity(String.class);
 327         assertTrue("Json response for /operations dummy-rpc1-module1 is incorrect",
 328                 validateOperationsResponseJson(responseBody, "dummy-rpc1-module1", "module1").find());
 329         assertTrue("Json response for /operations dummy-rpc2-module1 is incorrect",
 330                 validateOperationsResponseJson(responseBody, "dummy-rpc2-module1", "module1").find());
 331         assertTrue("Json response for /operations dummy-rpc1-module2 is incorrect",
 332                 validateOperationsResponseJson(responseBody, "dummy-rpc1-module2", "module2").find());
 333         assertTrue("Json response for /operations dummy-rpc2-module2 is incorrect",
 334                 validateOperationsResponseJson(responseBody, "dummy-rpc2-module2", "module2").find());
 335
 336     }
 337
 338     private void validateOperationsResponseXml(final Document responseDoc, final SchemaContext schemaContext) {
 339         Element operationsElem = responseDoc.getDocumentElement();
 340         assertEquals(RESTCONF_NS, operationsElem.getNamespaceURI());
 341         assertEquals("operations", operationsElem.getLocalName());
 342
 343
 344         HashSet<QName> foundOperations = new HashSet<>();
 345
 346         NodeList operationsList = operationsElem.getChildNodes();
 347         for(int i = 0;i < operationsList.getLength();i++) {
 348             org.w3c.dom.Node operation = operationsList.item(i);
 349
 350             String namespace = operation.getNamespaceURI();
 351             String name = operation.getLocalName();
 352             QName opQName = QName.create(URI.create(namespace), null, name);
 353             foundOperations.add(opQName);
 354         }
 355
 356         for(RpcDefinition schemaOp : schemaContext.getOperations()) {
 357             assertTrue(foundOperations.contains(schemaOp.getQName().withoutRevision()));
 358         }
 359
 360     }
 361
 362     // /operations/pathToMountPoint/yang-ext:mount
 363     @Test
 364     public void getOperationsBehindMountPointTest() throws FileNotFoundException, UnsupportedEncodingException {
 365         ControllerContext controllerContext = ControllerContext.getInstance();
 366         controllerContext.setGlobalSchema(schemaContextModules);
 367
 368         DOMMountPoint mountInstance = mock(DOMMountPoint.class);
 369         when(mountInstance.getSchemaContext()).thenReturn(schemaContextBehindMountPoint);
 370         DOMMountPointService mockMountService = mock(DOMMountPointService.class);
 371         when(mockMountService.getMountPoint(any(YangInstanceIdentifier.class))).thenReturn(Optional.of(mountInstance));
 372
 373         controllerContext.setMountService(mockMountService);
 374
 375         String uri = "/operations/ietf-interfaces:interfaces/interface/0/yang-ext:mount/";
 376
 377         Response response = target(uri).request("application/yang.api+xml").get();
 378         assertEquals(200, response.getStatus());
 379
 380         Document responseDoc = response.readEntity(Document.class);
 381         validateOperationsResponseXml(responseDoc, schemaContextBehindMountPoint);
 382
 383         response = target(uri).request("application/yang.api+json").get();
 384         assertEquals(200, response.getStatus());
 385         String responseBody = response.readEntity(String.class);
 386         assertTrue("Json response for /operations/mount_point rpc-behind-module1 is incorrect",
 387                 validateOperationsResponseJson(responseBody, "rpc-behind-module1", "module1-behind-mount-point").find());
 388         assertTrue("Json response for /operations/mount_point rpc-behind-module2 is incorrect",
 389                 validateOperationsResponseJson(responseBody, "rpc-behind-module2", "module2-behind-mount-point").find());
 390
 391     }
 392
 393     private Matcher validateOperationsResponseJson(final String searchIn, final String rpcName, final String moduleName) {
 394         StringBuilder regex = new StringBuilder();
 395         regex.append("^");
 396
 397         regex.append(".*\\{");
 398         regex.append(".*\"");
 399
 400         // operations prefix optional
 401         regex.append("(");
 402         regex.append("ietf-restconf:");
 403         regex.append("|)");
 404         // :operations prefix optional
 405
 406         regex.append("operations\"");
 407         regex.append(".*:");
 408         regex.append(".*\\{");
 409
 410         regex.append(".*\"" + moduleName);
 411         regex.append(":");
 412         regex.append(rpcName + "\"");
 413         regex.append(".*\\[");
 414         regex.append(".*null");
 415         regex.append(".*\\]");
 416
 417         regex.append(".*\\}");
 418         regex.append(".*\\}");
 419
 420         regex.append(".*");
 421         regex.append("$");
 422         Pattern ptrn = Pattern.compile(regex.toString(), Pattern.DOTALL);
 423         return ptrn.matcher(searchIn);
 424
 425     }
 426
 427     private Matcher validateOperationsResponseXml(final String searchIn, final String rpcName, final String namespace) {
 428         StringBuilder regex = new StringBuilder();
 429
 430         regex.append("^");
 431
 432         regex.append(".*<operations");
 433         regex.append(".*xmlns=\"urn:ietf:params:xml:ns:yang:ietf-restconf\"");
 434         regex.append(".*>");
 435
 436         regex.append(".*<");
 437         regex.append(".*" + rpcName);
 438         regex.append(".*" + namespace);
 439         regex.append(".*/");
 440         regex.append(".*>");
 441
 442         regex.append(".*</operations.*");
 443         regex.append(".*>");
 444
 445         regex.append(".*");
 446         regex.append("$");
 447         Pattern ptrn = Pattern.compile(regex.toString(), Pattern.DOTALL);
 448         return ptrn.matcher(searchIn);
 449     }
 450
 451     // /restconf/modules/pathToMountPoint/yang-ext:mount
 452     @Test
 453     public void getModulesBehindMountPoint() throws FileNotFoundException, UnsupportedEncodingException {
 454         ControllerContext controllerContext = ControllerContext.getInstance();
 455         controllerContext.setGlobalSchema(schemaContextModules);
 456
 457         DOMMountPoint mountInstance = mock(DOMMountPoint.class);
 458         when(mountInstance.getSchemaContext()).thenReturn(schemaContextBehindMountPoint);
 459         DOMMountPointService mockMountService = mock(DOMMountPointService.class);
 460         when(mockMountService.getMountPoint(any(YangInstanceIdentifier.class))).thenReturn(Optional.of(mountInstance));
 461
 462         controllerContext.setMountService(mockMountService);
 463
 464         String uri = "/modules/ietf-interfaces:interfaces/interface/0/yang-ext:mount/";
 465
 466         Response response = target(uri).request("application/yang.api+json").get();
 467         assertEquals(200, response.getStatus());
 468         String responseBody = response.readEntity(String.class);
 469
 470         assertTrue(
 471                 "module1-behind-mount-point in json wasn't found",
 472                 prepareJsonRegex("module1-behind-mount-point", "2014-02-03", "module:1:behind:mount:point",
 473                         responseBody).find());
 474         assertTrue(
 475                 "module2-behind-mount-point in json wasn't found",
 476                 prepareJsonRegex("module2-behind-mount-point", "2014-02-04", "module:2:behind:mount:point",
 477                         responseBody).find());
 478
 479         response = target(uri).request("application/yang.api+xml").get();
 480         assertEquals(200, response.getStatus());
 481         validateModulesResponseXml(response, schemaContextBehindMountPoint);
 482
 483     }
 484
 485     // /restconf/modules/module/pathToMountPoint/yang-ext:mount/moduleName/revision
 486     @Test
 487     public void getModuleBehindMountPoint() throws FileNotFoundException, UnsupportedEncodingException {
 488         ControllerContext controllerContext = ControllerContext.getInstance();
 489         controllerContext.setGlobalSchema(schemaContextModules);
 490
 491         DOMMountPoint mountInstance = mock(DOMMountPoint.class);
 492         when(mountInstance.getSchemaContext()).thenReturn(schemaContextBehindMountPoint);
 493         DOMMountPointService mockMountService = mock(DOMMountPointService.class);
 494         when(mockMountService.getMountPoint(any(YangInstanceIdentifier.class))).thenReturn(Optional.of(mountInstance));
 495
 496         controllerContext.setMountService(mockMountService);
 497
 498         String uri = "/modules/module/ietf-interfaces:interfaces/interface/0/yang-ext:mount/module1-behind-mount-point/2014-02-03";
 499
 500         Response response = target(uri).request("application/yang.api+json").get();
 501         assertEquals(200, response.getStatus());
 502         String responseBody = response.readEntity(String.class);
 503
 504         assertTrue(
 505                 "module1-behind-mount-point in json wasn't found",
 506                 prepareJsonRegex("module1-behind-mount-point", "2014-02-03", "module:1:behind:mount:point",
 507                         responseBody).find());
 508         String[] split = responseBody.split("\"module\"");
 509         assertEquals("\"module\" element is returned more then once", 2, split.length);
 510
 511         response = target(uri).request("application/yang.api+xml").get();
 512         assertEquals(200, response.getStatus());
 513         Document responseXml = response.readEntity(Document.class);
 514
 515         QName module = assertedModuleXmlToModuleQName(responseXml.getDocumentElement());
 516
 517         assertEquals("module1-behind-mount-point", module.getLocalName());
 518         assertEquals("2014-02-03", module.getFormattedRevision());
 519         assertEquals("module:1:behind:mount:point", module.getNamespace().toString());
 520
 521
 522     }
 523
 524     private void validateModulesResponseXml(final Response response, final SchemaContext schemaContext) {
 525         assertEquals(200, response.getStatus());
 526         Document responseBody = response.readEntity(Document.class);
 527         NodeList moduleNodes = responseBody.getDocumentElement().getElementsByTagNameNS(RESTCONF_NS, "module");
 528
 529         assertTrue(moduleNodes.getLength() > 0);
 530
 531         HashSet<QName> foundModules = new HashSet<>();
 532
 533         for(int i=0;i < moduleNodes.getLength();i++) {
 534             org.w3c.dom.Node module = moduleNodes.item(i);
 535
 536             QName name = assertedModuleXmlToModuleQName(module);
 537             foundModules.add(name);
 538         }
 539
 540         assertAllModules(foundModules,schemaContext);
 541     }
 542
 543     private void assertAllModules(final Set<QName> foundModules, final SchemaContext schemaContext) {
 544         for(Module module : schemaContext.getModules()) {
 545             QName current = QName.create(module.getQNameModule(),module.getName());
 546             assertTrue("Module not found in response.",foundModules.contains(current));
 547         }
 548
 549     }
 550
 551     private QName assertedModuleXmlToModuleQName(final org.w3c.dom.Node module) {
 552         assertEquals("module", module.getLocalName());
 553         assertEquals(RESTCONF_NS, module.getNamespaceURI());
 554         String revision = null;
 555         String namespace = null;
 556         String name = null;
 557
 558
 559         NodeList childNodes = module.getChildNodes();
 560
 561         for(int i =0;i < childNodes.getLength(); i++) {
 562             org.w3c.dom.Node child = childNodes.item(i);
 563             assertEquals(RESTCONF_NS, child.getNamespaceURI());
 564
 565             switch(child.getLocalName()) {
 566                 case "name":
 567                     assertNull("Name element appeared multiple times",name);
 568                     name = child.getTextContent().trim();
 569                     break;
 570                 case "revision":
 571                     assertNull("Revision element appeared multiple times",revision);
 572                     revision = child.getTextContent().trim();
 573                     break;
 574
 575                 case "namespace":
 576                     assertNull("Namespace element appeared multiple times",namespace);
 577                     namespace = child.getTextContent().trim();
 578                     break;
 579             }
 580         }
 581
 582         assertNotNull("Revision was not part of xml",revision);
 583         assertNotNull("Module namespace was not part of xml",namespace);
 584         assertNotNull("Module identiffier was not part of xml",name);
 585
 586
 587         // TODO Auto-generated method stub
 588
 589         return QName.create(namespace,revision,name);
 590     }
 591
 592     private void validateModulesResponseJson(final Response response) {
 593         assertEquals(200, response.getStatus());
 594         String responseBody = response.readEntity(String.class);
 595
 596         assertTrue("Module1 in json wasn't found", prepareJsonRegex("module1", "2014-01-01", "module:1", responseBody)
 597                 .find());
 598         assertTrue("Module2 in json wasn't found", prepareJsonRegex("module2", "2014-01-02", "module:2", responseBody)
 599                 .find());
 600         assertTrue("Module3 in json wasn't found", prepareJsonRegex("module3", "2014-01-03", "module:3", responseBody)
 601                 .find());
 602     }
 603
 604     private Matcher prepareJsonRegex(final String module, final String revision, final String namespace,
 605             final String searchIn) {
 606         StringBuilder regex = new StringBuilder();
 607         regex.append("^");
 608
 609         regex.append(".*\\{");
 610         regex.append(".*\"name\"");
 611         regex.append(".*:");
 612         regex.append(".*\"" + module + "\",");
 613
 614         regex.append(".*\"revision\"");
 615         regex.append(".*:");
 616         regex.append(".*\"" + revision + "\",");
 617
 618         regex.append(".*\"namespace\"");
 619         regex.append(".*:");
 620         regex.append(".*\"" + namespace + "\"");
 621
 622         regex.append(".*\\}");
 623
 624         regex.append(".*");
 625         regex.append("$");
 626         Pattern ptrn = Pattern.compile(regex.toString(), Pattern.DOTALL);
 627         return ptrn.matcher(searchIn);
 628
 629     }
 630
 631
 632     private void prepareMockForModulesTest(final ControllerContext mockedControllerContext)
 633             throws FileNotFoundException {
 634         SchemaContext schemaContext = TestUtils.loadSchemaContext("/modules");
 635         mockedControllerContext.setGlobalSchema(schemaContext);
 636         // when(mockedControllerContext.getGlobalSchema()).thenReturn(schemaContext);
 637     }
 638
 639     private int get(final String uri, final String mediaType) {
 640         return target(uri).request(mediaType).get().getStatus();
 641     }
 642
 643     /**
 644     container cont {
 645         container cont1 {
 646             leaf lf11 {
 647                 type string;
 648             }
 649     */
 650     private NormalizedNode prepareCnDataForMountPointTest(boolean wrapToCont) throws URISyntaxException, ParseException {
 651         String testModuleDate = "2014-01-09";
 652         ContainerNode contChild = Builders
 653                 .containerBuilder()
 654                 .withNodeIdentifier(TestUtils.getNodeIdentifier("cont1", "test:module", testModuleDate))
 655                 .withChild(
 656                         Builders.leafBuilder()
 657                                 .withNodeIdentifier(TestUtils.getNodeIdentifier("lf11", "test:module", testModuleDate))
 658                                 .withValue("lf11 value").build()).build();
 659
 660         if (wrapToCont) {
 661             return Builders.containerBuilder()
 662                     .withNodeIdentifier(TestUtils.getNodeIdentifier("cont", "test:module", testModuleDate))
 663                     .withChild(contChild).build();
 664         }
 665         return contChild;
 666
 667     }
 668
 669     private void mockReadOperationalDataMethod() {
 670         when(brokerFacade.readOperationalData(any(YangInstanceIdentifier.class))).thenReturn(answerFromGet);
 671     }
 672
 673     private void mockReadConfigurationDataMethod() {
 674         when(brokerFacade.readConfigurationData(any(YangInstanceIdentifier.class))).thenReturn(answerFromGet);
 675     }
 676
 677     private NormalizedNode prepareCnDataForSlashesBehindMountPointTest() throws ParseException {
 678         CollectionNodeBuilder<MapEntryNode, MapNode> lst1 = ImmutableMapNodeBuilder.create();
 679         lst1.withNodeIdentifier(TestUtils.getNodeIdentifier("lst1", "test:module", "2014-01-09"));
 680         lst1.withChild(ImmutableMapEntryNodeBuilder
 681                 .create()
 682                 .withNodeIdentifier(
 683                         TestUtils.getNodeIdentifierPredicate("lst1", "test:module", "2014-01-09", "lf11",
 684                                 "GigabitEthernet0/0/0/0"))
 685                 .withChild(
 686                         ImmutableLeafNodeBuilder.create()
 687                                 .withNodeIdentifier(TestUtils.getNodeIdentifier("lf11", "test:module", "2014-01-09"))
 688                                 .withValue("GigabitEthernet0/0/0/0").build()).build());
 689
 690         return lst1.build();
 691     }
 692
 693     /**
 694      * If includeWhiteChars URI parameter is set to false then no white characters can be included in returned output
 695      *
 696      * @throws UnsupportedEncodingException
 697      */
 698     @Test
 699     public void getDataWithUriIncludeWhiteCharsParameterTest() throws UnsupportedEncodingException {
 700         getDataWithUriIncludeWhiteCharsParameter("config");
 701         getDataWithUriIncludeWhiteCharsParameter("operational");
 702     }
 703
 704     private void getDataWithUriIncludeWhiteCharsParameter(final String target) throws UnsupportedEncodingException {
 705         mockReadConfigurationDataMethod();
 706         mockReadOperationalDataMethod();
 707         String uri = "/" + target + "/ietf-interfaces:interfaces/interface/eth0";
 708         Response response = target(uri).queryParam("prettyPrint", "false").request("application/xml").get();
 709         String xmlData = response.readEntity(String.class);
 710
 711         Pattern pattern = Pattern.compile(".*(>\\s+|\\s+<).*", Pattern.DOTALL);
 712         Matcher matcher = pattern.matcher(xmlData);
 713         // XML element can't surrounded with white character (e.g ">    " or
 714         // "    <")
 715         assertFalse(matcher.matches());
 716
 717         response = target(uri).queryParam("prettyPrint", "false").request("application/json").get();
 718         String jsonData = response.readEntity(String.class);
 719         pattern = Pattern.compile(".*(\\}\\s+|\\s+\\{|\\]\\s+|\\s+\\[|\\s+:|:\\s+).*", Pattern.DOTALL);
 720         matcher = pattern.matcher(jsonData);
 721         // JSON element can't surrounded with white character (e.g "} ", " {",
 722         // "] ", " [", " :" or ": ")
 723         assertFalse(matcher.matches());
 724     }
 725
 726     @Test
 727     public void getDataWithUriDepthParameterTest() throws UnsupportedEncodingException {
 728
 729         ControllerContext.getInstance().setGlobalSchema(schemaContextModules);
 730
 731         CompositeNode depth1Cont = toCompositeNode(toCompositeNodeData(
 732                 toNestedQName("depth1-cont"),
 733                 toCompositeNodeData(
 734                         toNestedQName("depth2-cont1"),
 735                         toCompositeNodeData(
 736                                 toNestedQName("depth3-cont1"),
 737                                 toCompositeNodeData(toNestedQName("depth4-cont1"),
 738                                         toSimpleNodeData(toNestedQName("depth5-leaf1"), "depth5-leaf1-value")),
 739                                 toSimpleNodeData(toNestedQName("depth4-leaf1"), "depth4-leaf1-value")),
 740                         toSimpleNodeData(toNestedQName("depth3-leaf1"), "depth3-leaf1-value")),
 741                 toCompositeNodeData(
 742                         toNestedQName("depth2-cont2"),
 743                         toCompositeNodeData(
 744                                 toNestedQName("depth3-cont2"),
 745                                 toCompositeNodeData(toNestedQName("depth4-cont2"),
 746                                         toSimpleNodeData(toNestedQName("depth5-leaf2"), "depth5-leaf2-value")),
 747                                 toSimpleNodeData(toNestedQName("depth4-leaf2"), "depth4-leaf2-value")),
 748                         toSimpleNodeData(toNestedQName("depth3-leaf2"), "depth3-leaf2-value")),
 749                 toSimpleNodeData(toNestedQName("depth2-leaf1"), "depth2-leaf1-value")));
 750
 751         Module module = TestUtils.findModule(schemaContextModules.getModules(), "nested-module");
 752         assertNotNull(module);
 753
 754         DataSchemaNode dataSchemaNode = TestUtils.resolveDataSchemaNode("depth1-cont", module);
 755         assertNotNull(dataSchemaNode);
 756
 757         when(brokerFacade.readConfigurationData(any(YangInstanceIdentifier.class))).thenReturn(
 758                 TestUtils.compositeNodeToDatastoreNormalizedNode(depth1Cont, dataSchemaNode));
 759
 760         // Test config with depth 1
 761
 762         Response response = target("/config/nested-module:depth1-cont").queryParam("depth", "1")
 763                 .request("application/xml").get();
 764
 765         verifyXMLResponse(response, expectEmptyContainer("depth1-cont"));
 766
 767         // Test config with depth 2
 768
 769         response = target("/config/nested-module:depth1-cont").queryParam("depth", "2").request("application/xml")
 770                 .get();
 771
 772         // String
 773         // xml="<depth1-cont><depth2-cont1/><depth2-cont2/><depth2-leaf1>depth2-leaf1-value</depth2-leaf1></depth1-cont>";
 774         // Response mr=mock(Response.class);
 775         // when(mr.getEntity()).thenReturn( new
 776         // java.io.StringBufferInputStream(xml) );
 777
 778         verifyXMLResponse(
 779                 response,
 780                 expectContainer("depth1-cont", expectEmptyContainer("depth2-cont1"),
 781                         expectEmptyContainer("depth2-cont2"), expectLeaf("depth2-leaf1", "depth2-leaf1-value")));
 782
 783         // Test config with depth 3
 784
 785         response = target("/config/nested-module:depth1-cont").queryParam("depth", "3").request("application/xml")
 786                 .get();
 787
 788         verifyXMLResponse(
 789                 response,
 790                 expectContainer(
 791                         "depth1-cont",
 792                         expectContainer("depth2-cont1", expectEmptyContainer("depth3-cont1"),
 793                                 expectLeaf("depth3-leaf1", "depth3-leaf1-value")),
 794                         expectContainer("depth2-cont2", expectEmptyContainer("depth3-cont2"),
 795                                 expectLeaf("depth3-leaf2", "depth3-leaf2-value")),
 796                         expectLeaf("depth2-leaf1", "depth2-leaf1-value")));
 797
 798         // Test config with depth 4
 799
 800         response = target("/config/nested-module:depth1-cont").queryParam("depth", "4").request("application/xml")
 801                 .get();
 802
 803         verifyXMLResponse(
 804                 response,
 805                 expectContainer(
 806                         "depth1-cont",
 807                         expectContainer(
 808                                 "depth2-cont1",
 809                                 expectContainer("depth3-cont1", expectEmptyContainer("depth4-cont1"),
 810                                         expectLeaf("depth4-leaf1", "depth4-leaf1-value")),
 811                                 expectLeaf("depth3-leaf1", "depth3-leaf1-value")),
 812                         expectContainer(
 813                                 "depth2-cont2",
 814                                 expectContainer("depth3-cont2", expectEmptyContainer("depth4-cont2"),
 815                                         expectLeaf("depth4-leaf2", "depth4-leaf2-value")),
 816                                 expectLeaf("depth3-leaf2", "depth3-leaf2-value")),
 817                         expectLeaf("depth2-leaf1", "depth2-leaf1-value")));
 818
 819         // Test config with depth 5
 820
 821         response = target("/config/nested-module:depth1-cont").queryParam("depth", "5").request("application/xml")
 822                 .get();
 823
 824         verifyXMLResponse(
 825                 response,
 826                 expectContainer(
 827                         "depth1-cont",
 828                         expectContainer(
 829                                 "depth2-cont1",
 830                                 expectContainer(
 831                                         "depth3-cont1",
 832                                         expectContainer("depth4-cont1",
 833                                                 expectLeaf("depth5-leaf1", "depth5-leaf1-value")),
 834                                         expectLeaf("depth4-leaf1", "depth4-leaf1-value")),
 835                                 expectLeaf("depth3-leaf1", "depth3-leaf1-value")),
 836                         expectContainer(
 837                                 "depth2-cont2",
 838                                 expectContainer(
 839                                         "depth3-cont2",
 840                                         expectContainer("depth4-cont2",
 841                                                 expectLeaf("depth5-leaf2", "depth5-leaf2-value")),
 842                                         expectLeaf("depth4-leaf2", "depth4-leaf2-value")),
 843                                 expectLeaf("depth3-leaf2", "depth3-leaf2-value")),
 844                         expectLeaf("depth2-leaf1", "depth2-leaf1-value")));
 845
 846         // Test config with depth unbounded
 847
 848         response = target("/config/nested-module:depth1-cont").queryParam("depth", "unbounded")
 849                 .request("application/xml").get();
 850
 851         verifyXMLResponse(
 852                 response,
 853                 expectContainer(
 854                         "depth1-cont",
 855                         expectContainer(
 856                                 "depth2-cont1",
 857                                 expectContainer(
 858                                         "depth3-cont1",
 859                                         expectContainer("depth4-cont1",
 860                                                 expectLeaf("depth5-leaf1", "depth5-leaf1-value")),
 861                                         expectLeaf("depth4-leaf1", "depth4-leaf1-value")),
 862                                 expectLeaf("depth3-leaf1", "depth3-leaf1-value")),
 863                         expectContainer(
 864                                 "depth2-cont2",
 865                                 expectContainer(
 866                                         "depth3-cont2",
 867                                         expectContainer("depth4-cont2",
 868                                                 expectLeaf("depth5-leaf2", "depth5-leaf2-value")),
 869                                         expectLeaf("depth4-leaf2", "depth4-leaf2-value")),
 870                                 expectLeaf("depth3-leaf2", "depth3-leaf2-value")),
 871                         expectLeaf("depth2-leaf1", "depth2-leaf1-value")));
 872
 873         // Test operational
 874
 875         CompositeNode depth2Cont1 = toCompositeNode(toCompositeNodeData(
 876                 toNestedQName("depth2-cont1"),
 877                 toCompositeNodeData(
 878                         toNestedQName("depth3-cont1"),
 879                         toCompositeNodeData(toNestedQName("depth4-cont1"),
 880                                 toSimpleNodeData(toNestedQName("depth5-leaf1"), "depth5-leaf1-value")),
 881                         toSimpleNodeData(toNestedQName("depth4-leaf1"), "depth4-leaf1-value")),
 882                 toSimpleNodeData(toNestedQName("depth3-leaf1"), "depth3-leaf1-value")));
 883
 884         assertTrue(dataSchemaNode instanceof DataNodeContainer);
 885         DataSchemaNode depth2cont1Schema = null;
 886         for (DataSchemaNode childNode : ((DataNodeContainer) dataSchemaNode).getChildNodes()) {
 887             if (childNode.getQName().getLocalName().equals("depth2-cont1")) {
 888                 depth2cont1Schema = childNode;
 889                 break;
 890             }
 891         }
 892         assertNotNull(depth2Cont1);
 893
 894         when(brokerFacade.readOperationalData(any(YangInstanceIdentifier.class))).thenReturn(
 895                 TestUtils.compositeNodeToDatastoreNormalizedNode(depth2Cont1, depth2cont1Schema));
 896
 897         response = target("/operational/nested-module:depth1-cont/depth2-cont1").queryParam("depth", "3")
 898                 .request("application/xml").get();
 899
 900         verifyXMLResponse(
 901                 response,
 902                 expectContainer(
 903                         "depth2-cont1",
 904                         expectContainer("depth3-cont1", expectEmptyContainer("depth4-cont1"),
 905                                 expectLeaf("depth4-leaf1", "depth4-leaf1-value")),
 906                         expectLeaf("depth3-leaf1", "depth3-leaf1-value")));
 907     }
 908
 909     /**
 910      * Tests behavior when invalid value of depth URI parameter
 911      */
 912     @Test
 913     public void getDataWithInvalidDepthParameterTest() {
 914
 915         ControllerContext.getInstance().setGlobalSchema(schemaContextModules);
 916
 917         final MultivaluedMap<String, String> paramMap = new MultivaluedHashMap<>();
 918         paramMap.putSingle("depth", "1o");
 919         UriInfo mockInfo = mock(UriInfo.class);
 920         when(mockInfo.getQueryParameters(false)).thenAnswer(new Answer<MultivaluedMap<String, String>>() {
 921             @Override
 922             public MultivaluedMap<String, String> answer(InvocationOnMock invocation) {
 923                 return paramMap;
 924             }
 925         });
 926
 927         getDataWithInvalidDepthParameterTest(mockInfo);
 928
 929         paramMap.putSingle("depth", "0");
 930         getDataWithInvalidDepthParameterTest(mockInfo);
 931
 932         paramMap.putSingle("depth", "-1");
 933         getDataWithInvalidDepthParameterTest(mockInfo);
 934     }
 935
 936     private void getDataWithInvalidDepthParameterTest(final UriInfo uriInfo) {
 937         try {
 938             QName qNameDepth1Cont = QName.create("urn:nested:module", "2014-06-3", "depth1-cont");
 939             YangInstanceIdentifier ii = YangInstanceIdentifier.builder().node(qNameDepth1Cont).build();
 940             NormalizedNode value = (NormalizedNode<?,?>)(Builders.containerBuilder().withNodeIdentifier(new NodeIdentifier(qNameDepth1Cont)).build());
 941             when(brokerFacade.readConfigurationData(eq(ii))).thenReturn(value);
 942             restconfImpl.readConfigurationData("nested-module:depth1-cont", uriInfo);
 943             fail("Expected RestconfDocumentedException");
 944         } catch (RestconfDocumentedException e) {
 945             assertTrue("Unexpected error message: " + e.getErrors().get(0).getErrorMessage(), e.getErrors().get(0)
 946                     .getErrorMessage().contains("depth"));
 947         }
 948     }
 949
 950     private void verifyXMLResponse(final Response response, final NodeData nodeData) {
 951         Document doc = response.readEntity(Document.class);
 952 //        Document doc = TestUtils.loadDocumentFrom((InputStream) response.getEntity());
 953 //        System.out.println();
 954         assertNotNull("Could not parse XML document", doc);
 955
 956         // System.out.println(TestUtils.getDocumentInPrintableForm( doc ));
 957
 958         verifyContainerElement(doc.getDocumentElement(), nodeData);
 959     }
 960
 961     @SuppressWarnings("unchecked")
 962     private void verifyContainerElement(final Element element, final NodeData nodeData) {
 963
 964         assertEquals("Element local name", nodeData.key, element.getLocalName());
 965
 966         NodeList childNodes = element.getChildNodes();
 967         if (nodeData.data == null) { // empty container
 968             assertTrue("Expected no child elements for \"" + element.getLocalName() + "\"", childNodes.getLength() == 0);
 969             return;
 970         }
 971
 972         Map<String, NodeData> expChildMap = Maps.newHashMap();
 973         for (NodeData expChild : (List<NodeData>) nodeData.data) {
 974             expChildMap.put(expChild.key.toString(), expChild);
 975         }
 976
 977         for (int i = 0; i < childNodes.getLength(); i++) {
 978             org.w3c.dom.Node actualChild = childNodes.item(i);
 979             if (!(actualChild instanceof Element)) {
 980                 continue;
 981             }
 982
 983             Element actualElement = (Element) actualChild;
 984             NodeData expChild = expChildMap.remove(actualElement.getLocalName());
 985             assertNotNull(
 986                     "Unexpected child element for parent \"" + element.getLocalName() + "\": "
 987                             + actualElement.getLocalName(), expChild);
 988
 989             if (expChild.data == null || expChild.data instanceof List) {
 990                 verifyContainerElement(actualElement, expChild);
 991             } else {
 992                 assertEquals("Text content for element: " + actualElement.getLocalName(), expChild.data,
 993                         actualElement.getTextContent());
 994             }
 995         }
 996
 997         if (!expChildMap.isEmpty()) {
 998             fail("Missing elements for parent \"" + element.getLocalName() + "\": " + expChildMap.keySet());
 999         }
1000     }
1001
1002     private NodeData expectContainer(final String name, final NodeData... childData) {
1003         return new NodeData(name, Lists.newArrayList(childData));
1004     }
1005
1006     private NodeData expectEmptyContainer(final String name) {
1007         return new NodeData(name, null);
1008     }
1009
1010     private NodeData expectLeaf(final String name, final Object value) {
1011         return new NodeData(name, value);
1012     }
1013
1014     private QName toNestedQName(final String localName) {
1015         return QName.create("urn:nested:module", "2014-06-3", localName);
1016     }
1017
1018     @SuppressWarnings("unchecked")
1019     private CompositeNode toCompositeNode(final NodeData nodeData) {
1020         CompositeNodeBuilder<ImmutableCompositeNode> builder = ImmutableCompositeNode.builder();
1021         builder.setQName((QName) nodeData.key);
1022
1023         for (NodeData child : (List<NodeData>) nodeData.data) {
1024             if (child.data instanceof List) {
1025                 builder.add(toCompositeNode(child));
1026             } else {
1027                 builder.addLeaf((QName) child.key, child.data);
1028             }
1029         }
1030
1031         return builder.toInstance();
1032     }
1033
1034     private NodeData toCompositeNodeData(final QName key, final NodeData... childData) {
1035         return new NodeData(key, Lists.newArrayList(childData));
1036     }
1037
1038     private NodeData toSimpleNodeData(final QName key, final Object value) {
1039         return new NodeData(key, value);
1040     }
1041
1042 }