*/
package org.opendaylight.controller.sal.rest.doc.impl;
-import java.io.IOException;
-import java.net.URI;
-import java.text.DateFormat;
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
+import com.google.common.base.Preconditions;
import javax.ws.rs.core.UriInfo;
-
-import org.json.JSONException;
-import org.json.JSONObject;
import org.opendaylight.controller.sal.core.api.model.SchemaService;
-import org.opendaylight.controller.sal.rest.doc.model.builder.OperationBuilder;
-import org.opendaylight.controller.sal.rest.doc.swagger.Api;
import org.opendaylight.controller.sal.rest.doc.swagger.ApiDeclaration;
-import org.opendaylight.controller.sal.rest.doc.swagger.Operation;
-import org.opendaylight.controller.sal.rest.doc.swagger.Parameter;
-import org.opendaylight.controller.sal.rest.doc.swagger.Resource;
import org.opendaylight.controller.sal.rest.doc.swagger.ResourceList;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.SerializationFeature;
-import com.fasterxml.jackson.datatype.jsonorg.JsonOrgModule;
-import com.google.common.base.Preconditions;
-
/**
* This class gathers all yang defined {@link Module}s and generates Swagger compliant documentation.
*/
-public class ApiDocGenerator {
+public class ApiDocGenerator extends BaseYangSwaggerGenerator {
- private static final Logger _logger = LoggerFactory.getLogger(ApiDocGenerator.class);
+ private static Logger _logger = LoggerFactory.getLogger(ApiDocGenerator.class);
private static final ApiDocGenerator INSTANCE = new ApiDocGenerator();
- private final ObjectMapper mapper = new ObjectMapper();
- private final ModelGenerator jsonConverter = new ModelGenerator();
-
private SchemaService schemaService;
- private static final String API_VERSION = "1.0.0";
- private static final String SWAGGER_VERSION = "1.2";
- private static final String RESTCONF_CONTEXT_ROOT = "restconf";
- private final DateFormat SIMPLE_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
-
- //For now its {@link HashMap}. It will be changed to thread-safe Map when schema change listener is implemented.
- private final Map<String, ApiDeclaration> MODULE_DOC_CACHE = new HashMap<String, ApiDeclaration>();
+ public ResourceList getResourceListing(UriInfo uriInfo) {
+ Preconditions.checkState(schemaService != null);
+ SchemaContext schemaContext = schemaService.getGlobalContext();
+ Preconditions.checkState(schemaContext != null);
+ return super.getResourceListing(uriInfo, schemaContext, "");
+ }
- private ApiDocGenerator(){
- mapper.registerModule(new JsonOrgModule());
- mapper.configure(SerializationFeature.INDENT_OUTPUT, true);
+ public ApiDeclaration getApiDeclaration(String module, String revision, UriInfo uriInfo) {
+ SchemaContext schemaContext = schemaService.getGlobalContext();
+ Preconditions.checkState(schemaContext != null);
+ return super.getApiDeclaration(module, revision, uriInfo, schemaContext, "");
}
/**
* Returns singleton instance
+ *
* @return
*/
public static ApiDocGenerator getInstance() {
*
* @param schemaService
*/
- public void setSchemaService(final SchemaService schemaService) {
+ public void setSchemaService(SchemaService schemaService) {
this.schemaService = schemaService;
}
- /**
- *
- * @param uriInfo
- * @return list of modules converted to swagger compliant resource list.
- */
- public ResourceList getResourceListing(final UriInfo uriInfo) {
-
- Preconditions.checkState(schemaService != null);
- SchemaContext schemaContext = schemaService.getGlobalContext();
- Preconditions.checkState(schemaContext != null);
-
- Set<Module> modules = schemaContext.getModules();
-
- ResourceList resourceList = new ResourceList();
- resourceList.setApiVersion(API_VERSION);
- resourceList.setSwaggerVersion(SWAGGER_VERSION);
-
- List<Resource> resources = new ArrayList<>(modules.size());
- _logger.info("Modules found [{}]", modules.size());
-
- for (Module module : modules) {
- Resource resource = new Resource();
- String revisionString = SIMPLE_DATE_FORMAT.format(module.getRevision());
-
- _logger.debug("Working on [{},{}]...", module.getName(), revisionString);
- ApiDeclaration doc = getApiDeclaration(module.getName(), revisionString, uriInfo);
-
- if (doc != null) {
- URI uri = uriInfo.getRequestUriBuilder().
- path(generateCacheKey(module.getName(), revisionString)).
- build();
-
- resource.setPath(uri.toASCIIString());
- resources.add(resource);
- } else {
- _logger.debug("Could not generate doc for {},{}", module.getName(), revisionString);
- }
- }
-
- resourceList.setApis(resources);
-
- return resourceList;
- }
-
- public ApiDeclaration getApiDeclaration(final String module, final String revision, final UriInfo uriInfo) {
-
- //Lookup cache
- String cacheKey = generateCacheKey(module, revision);
-
- if (MODULE_DOC_CACHE.containsKey(cacheKey)) {
- _logger.debug("Serving from cache for {}", cacheKey);
- return MODULE_DOC_CACHE.get(cacheKey);
- }
-
- Date rev = null;
- try {
- rev = SIMPLE_DATE_FORMAT.parse(revision);
- } catch (ParseException e) {
- throw new IllegalArgumentException(e);
- }
-
- SchemaContext schemaContext = schemaService.getGlobalContext();
- Preconditions.checkState(schemaContext != null);
-
- Module m = schemaContext.findModuleByName(module, rev);
- Preconditions.checkArgument(m != null, "Could not find module by name,revision: " + module + "," + revision);
-
- String basePath = new StringBuilder(uriInfo.getBaseUri().getScheme())
- .append("://")
- .append(uriInfo.getBaseUri().getHost())
- .append(":")
- .append(uriInfo.getBaseUri().getPort())
- .append("/")
- .append(RESTCONF_CONTEXT_ROOT)
- .toString();
-
- ApiDeclaration doc = getSwaggerDocSpec(m, basePath);
- MODULE_DOC_CACHE.put(cacheKey, doc);
- return doc;
- }
-
- public ApiDeclaration getSwaggerDocSpec(final Module m, final String basePath) {
- ApiDeclaration doc = new ApiDeclaration();
- doc.setApiVersion(API_VERSION);
- doc.setSwaggerVersion(SWAGGER_VERSION);
- doc.setBasePath(basePath);
- doc.setProduces(Arrays.asList("application/json", "application/xml"));
-
- List<Api> apis = new ArrayList<Api>();
-
- Set<DataSchemaNode> dataSchemaNodes = m.getChildNodes();
- _logger.debug("child nodes size [{}]", dataSchemaNodes.size());
- for (DataSchemaNode node : dataSchemaNodes) {
- if ((node instanceof ListSchemaNode) || (node instanceof ContainerSchemaNode)) {
-
- _logger.debug("Is Configuration node [{}] [{}]", node.isConfiguration(), node.getQName().getLocalName());
-
- List<Parameter> pathParams = null;
- if (node.isConfiguration()) {
- pathParams = new ArrayList<Parameter>();
- String resourcePath = "/config/" + m.getName() + ":";
- addApis(node, apis, resourcePath, pathParams, true);
-
- }
-
- pathParams = new ArrayList<Parameter>();
- String resourcePath = "/operational/" + m.getName() + ":";
- addApis(node, apis, resourcePath, pathParams, false);
- }
- }
-
- Set<RpcDefinition> rpcs = m.getRpcs();
- for (RpcDefinition rpcDefinition : rpcs) {
- String resourcePath = "/operations/" + m.getName() + ":";
- addRpcs(rpcDefinition, apis, resourcePath);
-
- }
- _logger.debug("Number of APIs found [{}]", apis.size());
- doc.setApis(apis);
- JSONObject models = null;
-
- try {
- models = jsonConverter.convertToJsonSchema(m);
- doc.setModels(models);
- _logger.debug(mapper.writeValueAsString(doc));
- } catch (IOException | JSONException e) {
- e.printStackTrace();
- }
-
- return doc;
- }
-
- private String generateCacheKey(final Module m) {
- return generateCacheKey(m.getName(), SIMPLE_DATE_FORMAT.format(m.getRevision()));
- }
-
- private String generateCacheKey(final String module, final String revision) {
- return module + "," + revision;
- }
-
- private void addApis(final DataSchemaNode node,
- final List<Api> apis,
- final String parentPath,
- final List<Parameter> parentPathParams,
- final boolean addConfigApi) {
-
- Api api = new Api();
- List<Parameter> pathParams = new ArrayList<Parameter>(parentPathParams);
-
- String resourcePath = parentPath + createPath(node, pathParams) + "/";
- _logger.debug("Adding path: [{}]", resourcePath);
- api.setPath(resourcePath);
- api.setOperations(operations(node, pathParams, addConfigApi));
- apis.add(api);
- if ((node instanceof ListSchemaNode) || (node instanceof ContainerSchemaNode)) {
- DataNodeContainer schemaNode = (DataNodeContainer) node;
- Set<DataSchemaNode> dataSchemaNodes = schemaNode.getChildNodes();
-
- for (DataSchemaNode childNode : dataSchemaNodes) {
- addApis(childNode, apis, resourcePath, pathParams, addConfigApi);
- }
- }
-
- }
-
- private void addRpcs(final RpcDefinition rpcDefn, final List<Api> apis, final String parentPath) {
- Api rpc = new Api();
- String resourcePath = parentPath + rpcDefn.getQName().getLocalName();
- rpc.setPath(resourcePath);
-
- Operation operationSpec = new Operation();
- operationSpec.setMethod("POST");
- operationSpec.setNotes(rpcDefn.getDescription());
- operationSpec.setNickname(rpcDefn.getQName().getLocalName());
- rpc.setOperations(Arrays.asList(operationSpec));
-
- apis.add(rpc);
- }
-
- /**
- * @param node
- * @param pathParams
- * @return
- */
- private List<Operation> operations(final DataSchemaNode node, final List<Parameter> pathParams, final boolean isConfig) {
- List<Operation> operations = new ArrayList<>();
-
- OperationBuilder.Get getBuilder = new OperationBuilder.Get(node);
- operations.add(getBuilder.pathParams(pathParams).build());
-
- if (isConfig) {
- OperationBuilder.Post postBuilder = new OperationBuilder.Post(node);
- operations.add(postBuilder.pathParams(pathParams).build());
-
- OperationBuilder.Put putBuilder = new OperationBuilder.Put(node);
- operations.add(putBuilder.pathParams(pathParams).build());
-
- OperationBuilder.Delete deleteBuilder = new OperationBuilder.Delete(node);
- operations.add(deleteBuilder.pathParams(pathParams).build());
- }
- return operations;
- }
-
- private String createPath(final DataSchemaNode schemaNode, final List<Parameter> pathParams) {
- ArrayList<LeafSchemaNode> pathListParams = new ArrayList<LeafSchemaNode>();
- StringBuilder path = new StringBuilder();
- QName _qName = schemaNode.getQName();
- String localName = _qName.getLocalName();
- path.append(localName);
-
- if ((schemaNode instanceof ListSchemaNode)) {
- final List<QName> listKeys = ((ListSchemaNode) schemaNode).getKeyDefinition();
- for (final QName listKey : listKeys) {
- {
- DataSchemaNode _dataChildByName = ((DataNodeContainer) schemaNode).getDataChildByName(listKey);
- pathListParams.add(((LeafSchemaNode) _dataChildByName));
-
- String pathParamIdentifier = new StringBuilder("/{").append(listKey.getLocalName()).append("}").toString();
- path.append(pathParamIdentifier);
-
- Parameter pathParam = new Parameter();
- pathParam.setName(listKey.getLocalName());
- pathParam.setDescription(_dataChildByName.getDescription());
- pathParam.setType("string");
- pathParam.setParamType("path");
-
- pathParams.add(pathParam);
- }
- }
- }
- return path.toString();
- }
-
}