2 * Copyright (c) 2014 Brocade Communications Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.netconf.sal.rest.doc.impl;
10 import static org.opendaylight.netconf.sal.rest.doc.util.RestDocgenUtil.resolvePathArgumentsName;
12 import com.fasterxml.jackson.databind.ObjectMapper;
13 import com.fasterxml.jackson.databind.SerializationFeature;
14 import com.fasterxml.jackson.databind.node.ObjectNode;
15 import com.google.common.base.Preconditions;
16 import java.io.IOException;
18 import java.text.ParseException;
19 import java.util.ArrayList;
20 import java.util.Arrays;
21 import java.util.Calendar;
22 import java.util.Collection;
23 import java.util.Collections;
24 import java.util.Date;
25 import java.util.GregorianCalendar;
26 import java.util.List;
28 import java.util.SortedSet;
29 import java.util.TreeSet;
30 import javax.ws.rs.core.UriInfo;
31 import org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder;
32 import org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.Delete;
33 import org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.Get;
34 import org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.Post;
35 import org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.Put;
36 import org.opendaylight.netconf.sal.rest.doc.swagger.Api;
37 import org.opendaylight.netconf.sal.rest.doc.swagger.ApiDeclaration;
38 import org.opendaylight.netconf.sal.rest.doc.swagger.Operation;
39 import org.opendaylight.netconf.sal.rest.doc.swagger.Parameter;
40 import org.opendaylight.netconf.sal.rest.doc.swagger.Resource;
41 import org.opendaylight.netconf.sal.rest.doc.swagger.ResourceList;
42 import org.opendaylight.yangtools.yang.common.QName;
43 import org.opendaylight.yangtools.yang.common.SimpleDateFormatUtil;
44 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
45 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
46 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
47 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
48 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
49 import org.opendaylight.yangtools.yang.model.api.Module;
50 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
51 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
52 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
53 import org.slf4j.Logger;
54 import org.slf4j.LoggerFactory;
56 public class BaseYangSwaggerGenerator {
58 private static final Logger LOG = LoggerFactory.getLogger(BaseYangSwaggerGenerator.class);
60 protected static final String API_VERSION = "1.0.0";
61 protected static final String SWAGGER_VERSION = "1.2";
62 protected static final String RESTCONF_CONTEXT_ROOT = "restconf";
63 private static final String RESTCONF_DRAFT = "18";
65 static final String MODULE_NAME_SUFFIX = "_module";
66 private final ModelGenerator jsonConverter = new ModelGenerator();
68 // private Map<String, ApiDeclaration> MODULE_DOC_CACHE = new HashMap<>()
69 private final ObjectMapper mapper = new ObjectMapper();
70 private static boolean newDraft;
72 protected BaseYangSwaggerGenerator() {
73 this.mapper.configure(SerializationFeature.INDENT_OUTPUT, true);
77 * Return list of modules converted to swagger compliant resource list.
79 public ResourceList getResourceListing(final UriInfo uriInfo, final SchemaContext schemaContext,
80 final String context) {
82 final ResourceList resourceList = createResourceList();
84 final Set<Module> modules = getSortedModules(schemaContext);
86 final List<Resource> resources = new ArrayList<>(modules.size());
88 LOG.info("Modules found [{}]", modules.size());
90 for (final Module module : modules) {
91 final String revisionString = module.getQNameModule().getFormattedRevision();
92 final Resource resource = new Resource();
93 LOG.debug("Working on [{},{}]...", module.getName(), revisionString);
94 final ApiDeclaration doc =
95 getApiDeclaration(module.getName(), revisionString, uriInfo, schemaContext, context);
98 resource.setPath(generatePath(uriInfo, module.getName(), revisionString));
99 resources.add(resource);
101 LOG.warn("Could not generate doc for {},{}", module.getName(), revisionString);
105 resourceList.setApis(resources);
110 protected ResourceList createResourceList() {
111 final ResourceList resourceList = new ResourceList();
112 resourceList.setApiVersion(API_VERSION);
113 resourceList.setSwaggerVersion(SWAGGER_VERSION);
117 protected String generatePath(final UriInfo uriInfo, final String name, final String revision) {
118 final URI uri = uriInfo.getRequestUriBuilder().path(generateCacheKey(name, revision)).build();
119 return uri.toASCIIString();
122 public ApiDeclaration getApiDeclaration(final String moduleName, final String revision, final UriInfo uriInfo,
123 final SchemaContext schemaContext, final String context) {
127 if (revision != null && !SourceIdentifier.NOT_PRESENT_FORMATTED_REVISION.equals(revision)) {
128 rev = SimpleDateFormatUtil.getRevisionFormat().parse(revision);
130 } catch (final ParseException e) {
131 throw new IllegalArgumentException(e);
135 final Calendar cal = new GregorianCalendar();
139 if (cal.get(Calendar.YEAR) < 1970) {
144 final Module module = schemaContext.findModuleByName(moduleName, rev);
145 Preconditions.checkArgument(module != null,
146 "Could not find module by name,revision: " + moduleName + "," + revision);
148 return getApiDeclaration(module, rev, uriInfo, context, schemaContext);
151 public ApiDeclaration getApiDeclaration(final Module module, final Date revision, final UriInfo uriInfo,
152 final String context, final SchemaContext schemaContext) {
153 final String basePath = createBasePathFromUriInfo(uriInfo);
155 final ApiDeclaration doc = getSwaggerDocSpec(module, basePath, context, schemaContext);
162 protected String createBasePathFromUriInfo(final UriInfo uriInfo) {
163 String portPart = "";
164 final int port = uriInfo.getBaseUri().getPort();
166 portPart = ":" + port;
168 final String basePath =
169 new StringBuilder(uriInfo.getBaseUri().getScheme()).append("://").append(uriInfo.getBaseUri().getHost())
170 .append(portPart).append("/").append(RESTCONF_CONTEXT_ROOT).toString();
174 public ApiDeclaration getSwaggerDocSpec(final Module module, final String basePath, final String context,
175 final SchemaContext schemaContext) {
176 final ApiDeclaration doc = createApiDeclaration(basePath);
178 final List<Api> apis = new ArrayList<>();
179 boolean hasAddRootPostLink = false;
181 final Collection<DataSchemaNode> dataSchemaNodes = module.getChildNodes();
182 LOG.debug("child nodes size [{}]", dataSchemaNodes.size());
183 for (final DataSchemaNode node : dataSchemaNodes) {
184 if ((node instanceof ListSchemaNode) || (node instanceof ContainerSchemaNode)) {
185 LOG.debug("Is Configuration node [{}] [{}]", node.isConfiguration(), node.getQName().getLocalName());
187 List<Parameter> pathParams = new ArrayList<>();
191 * Only when the node's config statement is true, such apis as
192 * GET/PUT/POST/DELETE config are added for this node.
194 if (node.isConfiguration()) { // This node's config statement is
196 resourcePath = getDataStorePath("config", context);
199 * When there are two or more top container or list nodes
200 * whose config statement is true in module, make sure that
201 * only one root post link is added for this module.
203 if (!hasAddRootPostLink) {
204 LOG.debug("Has added root post link for module {}", module.getName());
205 addRootPostLink(module, (DataNodeContainer) node, pathParams, resourcePath, "config", apis);
207 hasAddRootPostLink = true;
210 addApis(node, apis, resourcePath, pathParams, schemaContext, true, module.getName(), "config");
212 pathParams = new ArrayList<>();
213 resourcePath = getDataStorePath("operational", context);
215 addApis(node, apis, resourcePath, pathParams, schemaContext, false, module.getName(), "operational");
219 final Set<RpcDefinition> rpcs = module.getRpcs();
220 for (final RpcDefinition rpcDefinition : rpcs) {
221 final String resourcePath;
222 resourcePath = getDataStorePath("operations", context);
224 addRpcs(rpcDefinition, apis, resourcePath, schemaContext);
227 LOG.debug("Number of APIs found [{}]", apis.size());
229 if (!apis.isEmpty()) {
231 ObjectNode models = null;
234 models = this.jsonConverter.convertToJsonSchema(module, schemaContext);
235 doc.setModels(models);
236 if (LOG.isDebugEnabled()) {
237 LOG.debug(this.mapper.writeValueAsString(doc));
239 } catch (IOException e) {
240 LOG.error("Exception occured in ModelGenerator", e);
248 private static void addRootPostLink(final Module module, final DataNodeContainer node,
249 final List<Parameter> pathParams, final String resourcePath, final String dataStore, final List<Api> apis) {
250 if (containsListOrContainer(module.getChildNodes())) {
251 final Api apiForRootPostUri = new Api();
252 apiForRootPostUri.setPath(resourcePath.concat(getContent(dataStore)));
253 apiForRootPostUri.setOperations(operationPost(module.getName() + MODULE_NAME_SUFFIX,
254 module.getDescription(), module, pathParams, true, ""));
255 apis.add(apiForRootPostUri);
259 protected ApiDeclaration createApiDeclaration(final String basePath) {
260 final ApiDeclaration doc = new ApiDeclaration();
261 doc.setApiVersion(API_VERSION);
262 doc.setSwaggerVersion(SWAGGER_VERSION);
263 doc.setBasePath(basePath);
264 doc.setProduces(Arrays.asList("application/json", "application/xml"));
268 protected String getDataStorePath(final String dataStore, final String context) {
270 if ("config".contains(dataStore) || "operational".contains(dataStore)) {
271 return "/" + RESTCONF_DRAFT + "/data" + context;
273 return "/" + RESTCONF_DRAFT + "/operations" + context;
276 return "/" + dataStore + context;
279 private static String generateCacheKey(final String module, final String revision) {
280 return module + "(" + revision + ")";
283 private void addApis(final DataSchemaNode node, final List<Api> apis, final String parentPath,
284 final List<Parameter> parentPathParams, final SchemaContext schemaContext, final boolean addConfigApi,
285 final String parentName, final String dataStore) {
286 final Api api = new Api();
287 final List<Parameter> pathParams = new ArrayList<>(parentPathParams);
289 final String resourcePath = parentPath + "/" + createPath(node, pathParams, schemaContext);
290 LOG.debug("Adding path: [{}]", resourcePath);
291 api.setPath(resourcePath.concat(getContent(dataStore)));
293 Iterable<DataSchemaNode> childSchemaNodes = Collections.<DataSchemaNode>emptySet();
294 if ((node instanceof ListSchemaNode) || (node instanceof ContainerSchemaNode)) {
295 final DataNodeContainer dataNodeContainer = (DataNodeContainer) node;
296 childSchemaNodes = dataNodeContainer.getChildNodes();
298 api.setOperations(operation(node, pathParams, addConfigApi, childSchemaNodes, parentName));
301 for (final DataSchemaNode childNode : childSchemaNodes) {
302 if ((childNode instanceof ListSchemaNode) || (childNode instanceof ContainerSchemaNode)) {
303 // keep config and operation attributes separate.
304 if (childNode.isConfiguration() == addConfigApi) {
305 final String newParent = parentName + "/" + node.getQName().getLocalName();
306 addApis(childNode, apis, resourcePath, pathParams, schemaContext, addConfigApi, newParent,
313 protected static String getContent(final String dataStore) {
315 if ("operational".contains(dataStore)) {
316 return "?content=nonconfig";
317 } else if ("config".contains(dataStore)) {
318 return "?content=config";
327 private static boolean containsListOrContainer(final Iterable<DataSchemaNode> nodes) {
328 for (final DataSchemaNode child : nodes) {
329 if (child instanceof ListSchemaNode || child instanceof ContainerSchemaNode) {
336 private static List<Operation> operation(final DataSchemaNode node, final List<Parameter> pathParams,
337 final boolean isConfig, final Iterable<DataSchemaNode> childSchemaNodes, final String parentName) {
338 final List<Operation> operations = new ArrayList<>();
340 final Get getBuilder = new Get(node, isConfig);
341 operations.add(getBuilder.pathParams(pathParams).build());
344 final Put putBuilder = new Put(node.getQName().getLocalName(), node.getDescription(), parentName);
345 operations.add(putBuilder.pathParams(pathParams).build());
347 final Delete deleteBuilder = new Delete(node);
348 operations.add(deleteBuilder.pathParams(pathParams).build());
350 if (containsListOrContainer(childSchemaNodes)) {
351 operations.addAll(operationPost(node.getQName().getLocalName(), node.getDescription(),
352 (DataNodeContainer) node, pathParams, isConfig, parentName + "/"));
358 private static List<Operation> operationPost(final String name, final String description,
359 final DataNodeContainer dataNodeContainer, final List<Parameter> pathParams, final boolean isConfig,
360 final String parentName) {
361 final List<Operation> operations = new ArrayList<>();
363 final Post postBuilder = new Post(name, parentName + name, description, dataNodeContainer);
364 operations.add(postBuilder.pathParams(pathParams).build());
369 private static String createPath(final DataSchemaNode schemaNode, final List<Parameter> pathParams,
370 final SchemaContext schemaContext) {
371 final ArrayList<LeafSchemaNode> pathListParams = new ArrayList<>();
372 final StringBuilder path = new StringBuilder();
373 final String localName = resolvePathArgumentsName(schemaNode, schemaContext);
374 path.append(localName);
376 if ((schemaNode instanceof ListSchemaNode)) {
377 final List<QName> listKeys = ((ListSchemaNode) schemaNode).getKeyDefinition();
378 StringBuilder keyBuilder = null;
380 keyBuilder = new StringBuilder("=");
383 for (final QName listKey : listKeys) {
384 final DataSchemaNode dataChildByName = ((DataNodeContainer) schemaNode).getDataChildByName(listKey);
385 pathListParams.add(((LeafSchemaNode) dataChildByName));
386 final String pathParamIdentifier;
388 pathParamIdentifier = keyBuilder.append("{").append(listKey.getLocalName()).append("}").toString();
390 pathParamIdentifier = "/{" + listKey.getLocalName() + "}";
392 path.append(pathParamIdentifier);
394 final Parameter pathParam = new Parameter();
395 pathParam.setName(listKey.getLocalName());
396 pathParam.setDescription(dataChildByName.getDescription());
397 pathParam.setType("string");
398 pathParam.setParamType("path");
400 pathParams.add(pathParam);
402 keyBuilder = new StringBuilder(",");
406 return path.toString();
409 protected void addRpcs(final RpcDefinition rpcDefn, final List<Api> apis, final String parentPath,
410 final SchemaContext schemaContext) {
411 final Api rpc = new Api();
412 final String resourcePath = parentPath + "/" + resolvePathArgumentsName(rpcDefn, schemaContext);
413 rpc.setPath(resourcePath);
415 final Operation operationSpec = new Operation();
416 operationSpec.setMethod("POST");
417 operationSpec.setNotes(rpcDefn.getDescription());
418 operationSpec.setNickname(rpcDefn.getQName().getLocalName());
419 if (!rpcDefn.getOutput().getChildNodes().isEmpty()) {
420 operationSpec.setType("(" + rpcDefn.getQName().getLocalName() + ")output" + OperationBuilder.TOP);
422 if (!rpcDefn.getInput().getChildNodes().isEmpty()) {
423 final Parameter payload = new Parameter();
424 payload.setParamType("body");
425 payload.setType("(" + rpcDefn.getQName().getLocalName() + ")input" + OperationBuilder.TOP);
426 operationSpec.setParameters(Collections.singletonList(payload));
427 operationSpec.setConsumes(OperationBuilder.CONSUMES_PUT_POST);
430 rpc.setOperations(Arrays.asList(operationSpec));
435 protected SortedSet<Module> getSortedModules(final SchemaContext schemaContext) {
436 if (schemaContext == null) {
437 return new TreeSet<>();
440 final Set<Module> modules = schemaContext.getModules();
442 final SortedSet<Module> sortedModules = new TreeSet<>((module1, module2) -> {
443 int result = module1.getName().compareTo(module2.getName());
445 final Date module1Revision = module1.getRevision() != null ? module1.getRevision() : new Date(0);
446 final Date module2Revision = module2.getRevision() != null ? module2.getRevision() : new Date(0);
447 result = module1Revision.compareTo(module2Revision);
450 result = module1.getNamespace().compareTo(module2.getNamespace());
454 for (final Module m : modules) {
456 sortedModules.add(m);
459 return sortedModules;
462 public void setDraft(final boolean draft) {
463 BaseYangSwaggerGenerator.newDraft = draft;