Examples with Mediation org.wso2.carbon.apimgt.api.model.Mediation used on opensource projects

Example 31 with Mediation

use of org.wso2.carbon.apimgt.api.model.Mediation in project carbon-apimgt by wso2.

the class AbstractAPIManager method getAllGlobalMediationPolicies.

/**
 * Returns list of global mediation policies available
 *
 * @return List of Mediation objects of global mediation policies
 * @throws APIManagementException If failed to get global mediation policies
 */
@Override
public List<Mediation> getAllGlobalMediationPolicies() throws APIManagementException {
    List<Mediation> mediationList = new ArrayList<Mediation>();
    Mediation mediation;
    String resourcePath = APIConstants.API_CUSTOM_SEQUENCE_LOCATION;
    try {
        // Resource : customsequences
        Resource resource = registry.get(resourcePath);
        if (resource instanceof Collection) {
            Collection typeCollection = (Collection) resource;
            String[] typeArray = typeCollection.getChildren();
            for (String type : typeArray) {
                // Resource : in / out / fault
                Resource typeResource = registry.get(type);
                if (typeResource instanceof Collection) {
                    String[] sequenceArray = ((Collection) typeResource).getChildren();
                    if (sequenceArray.length > 0) {
                        for (String sequence : sequenceArray) {
                            // Resource : actual resource eg : log_in_msg.xml
                            Resource sequenceResource = registry.get(sequence);
                            String resourceId = sequenceResource.getUUID();
                            try {
                                String contentString = IOUtils.toString(sequenceResource.getContentStream(), RegistryConstants.DEFAULT_CHARSET_ENCODING);
                                OMElement omElement = AXIOMUtil.stringToOM(contentString);
                                OMAttribute attribute = omElement.getAttribute(new QName(PolicyConstants.MEDIATION_NAME_ATTRIBUTE));
                                String mediationPolicyName = attribute.getAttributeValue();
                                mediation = new Mediation();
                                mediation.setUuid(resourceId);
                                mediation.setName(mediationPolicyName);
                                // Extract sequence type from the registry resource path
                                String resourceType = type.substring(type.lastIndexOf("/") + 1);
                                mediation.setType(resourceType);
                                // Add mediation to the mediation list
                                mediationList.add(mediation);
                            } catch (XMLStreamException e) {
                                // If any exception been caught flow may continue with the next mediation policy
                                log.error("Error occurred while getting omElement out of " + "mediation content from " + sequence, e);
                            } catch (IOException e) {
                                log.error("Error occurred while converting resource " + "contentStream in to string in " + sequence, e);
                            }
                        }
                    }
                }
            }
        }
    } catch (RegistryException e) {
        String msg = "Failed to get global mediation policies";
        throw new APIManagementException(msg, e);
    }
    return mediationList;
}

Example 32 with Mediation

use of org.wso2.carbon.apimgt.api.model.Mediation in project carbon-apimgt by wso2.

the class PublisherCommonUtils method addApiSpecificMediationPolicyFromFile.

/**
 * Add API specific mediation sequences from file content.
 *
 * @param localName    Local name of the mediation policy to be added
 * @param content      File content of the mediation policy to be added
 * @param fileName     File name of the mediation policy to be added
 * @param type         Type (in/out/fault) of the mediation policy to be added
 * @param apiProvider  API Provider
 * @param apiId        API ID of the mediation policy
 * @param organization Organization of the API
 * @return
 * @throws APIManagementException If the sequence is malformed.
 */
private static Mediation addApiSpecificMediationPolicyFromFile(String localName, String content, String fileName, String type, APIProvider apiProvider, String apiId, String organization) throws APIManagementException {
    if (APIConstants.MEDIATION_SEQUENCE_ELEM.equals(localName)) {
        Mediation mediationPolicy = new Mediation();
        mediationPolicy.setConfig(content);
        mediationPolicy.setName(fileName);
        mediationPolicy.setType(type);
        // Adding API specific mediation policy
        return apiProvider.addApiSpecificMediationPolicy(apiId, mediationPolicy, organization);
    } else {
        throw new APIManagementException("Sequence is malformed");
    }
}

Example 33 with Mediation

use of org.wso2.carbon.apimgt.api.model.Mediation in project carbon-apimgt by wso2.

the class PublisherCommonUtils method addMediationPolicyFromFile.

/**
 * Add mediation sequences from file content.
 *
 * @param content            File content of the mediation policy to be added
 * @param type               Type (in/out/fault) of the mediation policy to be added
 * @param apiProvider        API Provider
 * @param apiId              API ID of the mediation policy
 * @param organization       Organization of the API
 * @param existingMediations Existing mediation sequences
 *                           (This can be null when adding an API specific sequence)
 * @return Added mediation
 * @throws Exception If an error occurs while adding the mediation sequence
 */
public static Mediation addMediationPolicyFromFile(String content, String type, APIProvider apiProvider, String apiId, String organization, List<Mediation> existingMediations, boolean isAPISpecific) throws Exception {
    if (StringUtils.isNotEmpty(content)) {
        OMElement seqElement = APIUtil.buildOMElement(new ByteArrayInputStream(content.getBytes()));
        String localName = seqElement.getLocalName();
        String fileName = seqElement.getAttributeValue(new QName("name"));
        Mediation existingMediation = (existingMediations != null) ? checkInExistingMediations(existingMediations, fileName, type) : null;
        // Otherwise, the value of this variable will be set before coming into this function
        if (!isAPISpecific) {
            if (existingMediation != null) {
                log.debug("Sequence" + fileName + " already exists");
            } else {
                return addApiSpecificMediationPolicyFromFile(localName, content, fileName, type, apiProvider, apiId, organization);
            }
        } else {
            if (existingMediation != null) {
                // This will happen only when updating an API specific sequence using apictl
                apiProvider.deleteApiSpecificMediationPolicy(apiId, existingMediation.getUuid(), organization);
            }
            return addApiSpecificMediationPolicyFromFile(localName, content, fileName, type, apiProvider, apiId, organization);
        }
    }
    return null;
}

Example 34 with Mediation

use of org.wso2.carbon.apimgt.api.model.Mediation in project carbon-apimgt by wso2.

the class OAS2Parser method generateExample.

/**
 * This method  generates Sample/Mock payloads for Swagger (2.0) definitions
 *
 * @param swaggerDef Swagger Definition
 * @return Swagger Json
 */
@Override
public Map<String, Object> generateExample(String swaggerDef) throws APIManagementException {
    // create APIResourceMediationPolicy List = policyList
    SwaggerParser parser = new SwaggerParser();
    SwaggerDeserializationResult parseAttemptForV2 = parser.readWithInfo(swaggerDef);
    Swagger swagger = parseAttemptForV2.getSwagger();
    // return map
    Map<String, Object> returnMap = new HashMap<>();
    // List for APIResMedPolicyList
    List<APIResourceMediationPolicy> apiResourceMediationPolicyList = new ArrayList<>();
    for (Map.Entry<String, Path> entry : swagger.getPaths().entrySet()) {
        int responseCode = 0;
        int minResponseCode = 0;
        String path = entry.getKey();
        Map<String, Model> definitions = swagger.getDefinitions();
        // operation map to get verb
        Map<HttpMethod, Operation> operationMap = entry.getValue().getOperationMap();
        List<Operation> operations = swagger.getPaths().get(path).getOperations();
        for (int i = 0, operationsSize = operations.size(); i < operationsSize; i++) {
            Operation op = operations.get(i);
            // initializing apiResourceMediationPolicyObject
            APIResourceMediationPolicy apiResourceMediationPolicyObject = new APIResourceMediationPolicy();
            // setting path for apiResourceMediationPolicyObject
            apiResourceMediationPolicyObject.setPath(path);
            ArrayList<Integer> responseCodes = new ArrayList<Integer>();
            Object[] operationsArray = operationMap.entrySet().toArray();
            if (operationsArray.length > i) {
                Map.Entry<HttpMethod, Operation> operationEntry = (Map.Entry<HttpMethod, Operation>) operationsArray[i];
                apiResourceMediationPolicyObject.setVerb(String.valueOf(operationEntry.getKey()));
            } else {
                throw new APIManagementException("Cannot find the HTTP method for the API Resource Mediation Policy");
            }
            StringBuilder genCode = new StringBuilder();
            boolean hasJsonPayload = false;
            boolean hasXmlPayload = false;
            // for setting only one initializing if condition per response code
            boolean respCodeInitialized = false;
            for (String responseEntry : op.getResponses().keySet()) {
                if (!responseEntry.equals("default")) {
                    responseCode = Integer.parseInt(responseEntry);
                    responseCodes.add(responseCode);
                    minResponseCode = Collections.min(responseCodes);
                }
                if (op.getResponses().get(responseEntry).getExamples() != null) {
                    Object applicationJson = op.getResponses().get(responseEntry).getExamples().get(APPLICATION_JSON_MEDIA_TYPE);
                    Object applicationXml = op.getResponses().get(responseEntry).getExamples().get(APPLICATION_XML_MEDIA_TYPE);
                    if (applicationJson != null) {
                        String jsonExample = Json.pretty(applicationJson);
                        genCode.append(getGeneratedResponsePayloads(responseEntry, jsonExample, "json", false));
                        respCodeInitialized = true;
                        hasJsonPayload = true;
                    }
                    if (applicationXml != null) {
                        String xmlExample = applicationXml.toString();
                        genCode.append(getGeneratedResponsePayloads(responseEntry, xmlExample, "xml", respCodeInitialized));
                        hasXmlPayload = true;
                    }
                } else if (op.getResponses().get(responseEntry).getResponseSchema() != null) {
                    Model model = op.getResponses().get(responseEntry).getResponseSchema();
                    String schemaExample = getSchemaExample(model, definitions, new HashSet<String>());
                    genCode.append(getGeneratedResponsePayloads(responseEntry, schemaExample, "json", respCodeInitialized));
                    hasJsonPayload = true;
                } else if (op.getResponses().get(responseEntry).getExamples() == null && op.getResponses().get(responseEntry).getResponseSchema() == null) {
                    setDefaultGeneratedResponse(genCode, responseEntry);
                    hasJsonPayload = true;
                    hasXmlPayload = true;
                }
            }
            // inserts minimum response code and mock payload variables to static script
            String finalGenCode = getMandatoryScriptSection(minResponseCode, genCode);
            // gets response section string depending on availability of json/xml payloads
            String responseConditions = getResponseConditionsSection(hasJsonPayload, hasXmlPayload);
            String finalScript = finalGenCode + responseConditions;
            apiResourceMediationPolicyObject.setContent(finalScript);
            apiResourceMediationPolicyList.add(apiResourceMediationPolicyObject);
            // sets script to each resource in the swagger
            op.setVendorExtension(APIConstants.SWAGGER_X_MEDIATION_SCRIPT, finalScript);
        }
        returnMap.put(APIConstants.SWAGGER, Json.pretty(swagger));
        returnMap.put(APIConstants.MOCK_GEN_POLICY_LIST, apiResourceMediationPolicyList);
    }
    return returnMap;
}

Example 35 with Mediation

use of org.wso2.carbon.apimgt.api.model.Mediation in project carbon-apimgt by wso2.

the class MediationPoliciesApiServiceImpl method getAllGlobalMediationPolicies.

/**
 * Returns list of global Mediation policies
 *
 * @param limit       maximum number of mediation returns
 * @param offset      starting index
 * @param query       search condition
 * @param ifNoneMatch If-None-Match header value
 * @return Matched global mediation policies for given search condition
 */
@Override
public Response getAllGlobalMediationPolicies(Integer limit, Integer offset, String query, String ifNoneMatch, MessageContext messageContext) throws APIManagementException {
    // pre-processing
    // setting default limit and offset values if they are not set
    limit = limit != null ? limit : RestApiConstants.PAGINATION_LIMIT_DEFAULT;
    offset = offset != null ? offset : RestApiConstants.PAGINATION_OFFSET_DEFAULT;
    try {
        APIProvider apiProvider = RestApiCommonUtil.getLoggedInUserProvider();
        List<Mediation> mediationList = apiProvider.getAllGlobalMediationPolicies();
        MediationListDTO mediationListDTO = MediationMappingUtil.fromMediationListToDTO(mediationList, offset, limit);
        return Response.ok().entity(mediationListDTO).build();
    } catch (APIManagementException e) {
        String errorMessage = "Error while retrieving global mediation policies";
        RestApiUtil.handleInternalServerError(errorMessage, e, log);
        return null;
    }
}