Examples with WorkflowException org.wso2.carbon.apimgt.impl.workflow.WorkflowException used on opensource projects

Example 6 with WorkflowException

use of org.wso2.carbon.apimgt.impl.workflow.WorkflowException in project carbon-apimgt by wso2.

the class APIStoreImpl method addApplication.

@Override
public ApplicationCreationResponse addApplication(Application application) throws APIManagementException {
    ApplicationCreationResponse applicationResponse = null;
    try {
        if (getApplicationDAO().isApplicationNameExists(application.getName())) {
            String message = "An application already exists with a duplicate name - " + application.getName();
            log.error(message);
            throw new APIMgtResourceAlreadyExistsException(message, ExceptionCodes.APPLICATION_ALREADY_EXISTS);
        }
        // Tier validation
        Policy tier = application.getPolicy();
        if (tier == null) {
            String message = "Tier name cannot be null - " + application.getName();
            log.error(message);
            throw new APIManagementException(message, ExceptionCodes.TIER_CANNOT_BE_NULL);
        } else {
            Policy policy = getPolicyDAO().getSimplifiedPolicyByLevelAndName(APIMgtAdminService.PolicyLevel.application, tier.getPolicyName());
            if (policy == null) {
                String message = "Specified tier " + tier.getPolicyName() + " is invalid";
                log.error(message);
                throw new APIManagementException(message, ExceptionCodes.TIER_CANNOT_BE_NULL);
            }
            application.setPolicy(policy);
        }
        // Generate UUID for application
        String generatedUuid = UUID.randomUUID().toString();
        application.setId(generatedUuid);
        String permissionString = application.getPermissionString();
        if (permissionString != null && !("").equals(permissionString)) {
            HashMap roleNamePermissionList;
            roleNamePermissionList = getAPIPermissionArray(permissionString);
            application.setPermissionMap(roleNamePermissionList);
        }
        application.setCreatedTime(LocalDateTime.now());
        getApplicationDAO().addApplication(application);
        WorkflowExecutor appCreationWFExecutor = WorkflowExecutorFactory.getInstance().getWorkflowExecutor(WorkflowConstants.WF_TYPE_AM_APPLICATION_CREATION);
        ApplicationCreationWorkflow workflow = new ApplicationCreationWorkflow(getApplicationDAO(), getWorkflowDAO(), getApiGateway());
        workflow.setApplication(application);
        workflow.setCreatedBy(getUsername());
        workflow.setWorkflowReference(application.getId());
        workflow.setExternalWorkflowReference(UUID.randomUUID().toString());
        workflow.setCreatedTime(LocalDateTime.now());
        String workflowDescription = "Application [ " + application.getName() + " ] creation request from application creator - " + getUsername() + " with throttling tier - " + tier.getPolicyName() + "";
        workflow.setWorkflowDescription(workflowDescription);
        WorkflowResponse response = appCreationWFExecutor.execute(workflow);
        workflow.setStatus(response.getWorkflowStatus());
        if (WorkflowStatus.CREATED != response.getWorkflowStatus()) {
            completeWorkflow(appCreationWFExecutor, workflow);
        } else {
            getApplicationDAO().updateApplicationState(generatedUuid, APIMgtConstants.ApplicationStatus.APPLICATION_ONHOLD);
            addWorkflowEntries(workflow);
        }
        APIUtils.logDebug("successfully added application with appId " + application.getId(), log);
        applicationResponse = new ApplicationCreationResponse(application.getId(), response);
    } catch (APIMgtDAOException e) {
        String errorMsg = "Error occurred while creating the application - " + application.getName();
        log.error(errorMsg, e);
        throw new APIManagementException(errorMsg, e, e.getErrorHandler());
    } catch (ParseException e) {
        String errorMsg = "Error occurred while parsing the permission json from swagger in application - " + application.getName();
        log.error(errorMsg, e);
        throw new APIManagementException(errorMsg, e, ExceptionCodes.SWAGGER_PARSE_EXCEPTION);
    } catch (WorkflowException e) {
        String errorMsg = "Error occurred in workflow";
        log.error(errorMsg, e);
        throw new APIManagementException(errorMsg, e, ExceptionCodes.WORKFLOW_EXCEPTION);
    }
    return applicationResponse;
}

Example 7 with WorkflowException

use of org.wso2.carbon.apimgt.impl.workflow.WorkflowException in project carbon-apimgt by wso2.

the class TenantWorkflowConfigHolder method setInstanceProperty.

/**
 * Find and invoke the setter method with the name of form setXXX passing in the value given
 * on the POJO object
 *
 * @param name name of the setter field
 * @param val  value to be set
 * @param obj  POJO instance
 */
public void setInstanceProperty(String name, Object val, Object obj) throws WorkflowException {
    String mName = "set" + Character.toUpperCase(name.charAt(0)) + name.substring(1);
    Method method;
    try {
        Method[] methods = obj.getClass().getMethods();
        boolean invoked = false;
        for (Method method1 : methods) {
            if (mName.equals(method1.getName())) {
                Class[] params = method1.getParameterTypes();
                if (params.length != 1) {
                    handleException("Did not find a setter method named : " + mName + "() that takes a single String, int, long, float, double ," + "OMElement or boolean parameter");
                } else if (val instanceof String) {
                    String value = (String) val;
                    if (String.class.equals(params[0])) {
                        method = obj.getClass().getMethod(mName, String.class);
                        method.invoke(obj, new String[] { value });
                    } else if (int.class.equals(params[0])) {
                        method = obj.getClass().getMethod(mName, int.class);
                        method.invoke(obj, new Integer[] { Integer.valueOf(value) });
                    } else if (long.class.equals(params[0])) {
                        method = obj.getClass().getMethod(mName, long.class);
                        method.invoke(obj, new Long[] { Long.valueOf(value) });
                    } else if (float.class.equals(params[0])) {
                        method = obj.getClass().getMethod(mName, float.class);
                        method.invoke(obj, new Float[] { new Float(value) });
                    } else if (double.class.equals(params[0])) {
                        method = obj.getClass().getMethod(mName, double.class);
                        method.invoke(obj, new Double[] { new Double(value) });
                    } else if (boolean.class.equals(params[0])) {
                        method = obj.getClass().getMethod(mName, boolean.class);
                        method.invoke(obj, new Boolean[] { Boolean.valueOf(value) });
                    } else if (Class.forName("[C").equals(params[0])) {
                        method = obj.getClass().getMethod(mName, Class.forName("[C"));
                        method.invoke(obj, value.toCharArray());
                    } else {
                        continue;
                    }
                } else if (val instanceof OMElement && OMElement.class.equals(params[0])) {
                    method = obj.getClass().getMethod(mName, OMElement.class);
                    method.invoke(obj, new OMElement[] { (OMElement) val });
                } else {
                    continue;
                }
                invoked = true;
                break;
            }
        }
        if (!invoked) {
            handleException("Did not find a setter method named : " + mName + "() that takes a single String, int, long, float, double " + "or boolean parameter");
        }
    } catch (Exception e) {
        handleException("Error invoking setter method named : " + mName + "() that takes a single String, int, long, float, double " + "or boolean parameter", e);
    }
}

Example 8 with WorkflowException

use of org.wso2.carbon.apimgt.impl.workflow.WorkflowException in project carbon-apimgt by wso2.

the class TenantWorkflowConfigHolder method load.

public void load() throws WorkflowException, RegistryException {
    workflowExecutorMap = new ConcurrentHashMap<>();
    InputStream in = null;
    try {
        String workFlowConfig = ServiceReferenceHolder.getInstance().getApimConfigService().getWorkFlowConfig(tenantDomain);
        if (StringUtils.isNotEmpty(workFlowConfig)) {
            in = new ByteArrayInputStream(workFlowConfig.getBytes());
            StAXOMBuilder builder = new StAXOMBuilder(in);
            secretResolver = SecretResolverFactory.create(builder.getDocumentElement(), true);
            OMElement workflowExtensionsElem = builder.getDocument().getFirstChildWithName(new QName(WorkflowConstants.WORKFLOW_EXTENSIONS));
            OMElement workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.APPLICATION_CREATION));
            String executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            Class clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            WorkflowExecutor workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_APPLICATION_CREATION, workFlowExecutor);
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.PRODUCTION_APPLICATION_REGISTRATION));
            executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_APPLICATION_REGISTRATION_PRODUCTION, workFlowExecutor);
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.SANDBOX_APPLICATION_REGISTRATION));
            executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_APPLICATION_REGISTRATION_SANDBOX, workFlowExecutor);
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.USER_SIGN_UP));
            executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_USER_SIGNUP, workFlowExecutor);
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.SUBSCRIPTION_CREATION));
            executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_SUBSCRIPTION_CREATION, workFlowExecutor);
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.SUBSCRIPTION_UPDATE));
            if (workflowElem != null) {
                executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
                clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
                workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
                loadProperties(workflowElem, workFlowExecutor);
                workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_SUBSCRIPTION_UPDATE, workFlowExecutor);
            } else {
                executorClass = DEFAULT_SUBSCRIPTION_UPDATE_EXECUTOR_CLASS;
                clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
                workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
                workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_SUBSCRIPTION_UPDATE, workFlowExecutor);
            }
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.SUBSCRIPTION_DELETION));
            executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_SUBSCRIPTION_DELETION, workFlowExecutor);
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.APPLICATION_DELETION));
            executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_APPLICATION_DELETION, workFlowExecutor);
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.API_STATE_CHANGE));
            if (workflowElem == null) {
                // TO handle migrated environment, create the default simple workflow executor
                workflowElem = OMAbstractFactory.getOMFactory().createOMElement(new QName(WorkflowConstants.API_STATE_CHANGE));
                executorClass = WorkflowConstants.DEFAULT_EXECUTOR_API_STATE_CHANGE;
                workflowElem.addAttribute(WorkflowConstants.EXECUTOR, executorClass, null);
            } else {
                executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            }
            clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_API_STATE, workFlowExecutor);
            workflowElem = workflowExtensionsElem.getFirstChildWithName(new QName(WorkflowConstants.API_PRODUCT_STATE_CHANGE));
            if (workflowElem == null) {
                // To handle migration, create the default simple workflow executor
                workflowElem = OMAbstractFactory.getOMFactory().createOMElement(new QName(WorkflowConstants.API_PRODUCT_STATE_CHANGE));
                executorClass = WorkflowConstants.DEFAULT_EXECUTOR_API_PRODUCT_STATE_CHANGE;
                workflowElem.addAttribute(WorkflowConstants.EXECUTOR, executorClass, null);
            } else {
                executorClass = workflowElem.getAttributeValue(new QName(WorkflowConstants.EXECUTOR));
            }
            clazz = TenantWorkflowConfigHolder.class.getClassLoader().loadClass(executorClass);
            workFlowExecutor = (WorkflowExecutor) clazz.newInstance();
            loadProperties(workflowElem, workFlowExecutor);
            workflowExecutorMap.put(WorkflowConstants.WF_TYPE_AM_API_PRODUCT_STATE, workFlowExecutor);
        }
    } catch (XMLStreamException e) {
        log.error("Error building xml", e);
        handleException("Error building xml", e);
    } catch (ClassNotFoundException e) {
        log.error("Unable to find class", e);
        handleException("Unable to find class", e);
    } catch (InstantiationException e) {
        log.error("Unable to instantiate class", e);
        handleException("Unable to instantiate class", e);
    } catch (IllegalAccessException e) {
        log.error("Illegal attempt to invoke class methods", e);
        handleException("Illegal attempt to invoke class methods", e);
    } catch (WorkflowException e) {
        log.error("Unable to load workflow executor class", e);
        handleException("Unable to load workflow executor class", e);
    } catch (APIManagementException e) {
        log.error("Unable to retrieve workflow configurations", e);
        handleException("Unable to retrieve workflow configurations", e);
    } finally {
        IOUtils.closeQuietly(in);
    }
}

Example 9 with WorkflowException

use of org.wso2.carbon.apimgt.impl.workflow.WorkflowException in project carbon-apimgt by wso2.

the class APIStateChangeWSWorkflowExecutor method setOAuthApplicationInfo.

/**
 * set information that are needed to invoke callback service
 */
private void setOAuthApplicationInfo(APIStateWorkflowDTO apiStateWorkFlowDTO) throws WorkflowException {
    // if credentials are not defined in the workflow-extension.xml file call dcr endpoint and generate a
    // oauth application and pass the client id and secret
    WorkflowProperties workflowProperties = ServiceReferenceHolder.getInstance().getAPIManagerConfigurationService().getAPIManagerConfiguration().getWorkflowProperties();
    if (clientId == null || clientSecret == null) {
        String dcrUsername = workflowProperties.getdCREndpointUser();
        String dcrPassword = workflowProperties.getdCREndpointPassword();
        byte[] encodedAuth = Base64.encodeBase64((dcrUsername + ":" + dcrPassword).getBytes(Charset.forName("ISO-8859-1")));
        JSONObject payload = new JSONObject();
        payload.put(PayloadConstants.KEY_OAUTH_APPNAME, WorkflowConstants.WORKFLOW_OAUTH_APP_NAME);
        payload.put(PayloadConstants.KEY_OAUTH_OWNER, dcrUsername);
        payload.put(PayloadConstants.KEY_OAUTH_SAASAPP, "true");
        payload.put(PayloadConstants.KEY_OAUTH_GRANT_TYPES, WorkflowConstants.WORKFLOW_OAUTH_APP_GRANT_TYPES);
        URL serviceEndpointURL = new URL(workflowProperties.getdCREndPoint());
        HttpClient httpClient = APIUtil.getHttpClient(serviceEndpointURL.getPort(), serviceEndpointURL.getProtocol());
        HttpPost httpPost = new HttpPost(workflowProperties.getdCREndPoint());
        String authHeader = "Basic " + new String(encodedAuth);
        httpPost.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
        StringEntity requestEntity = new StringEntity(payload.toJSONString(), ContentType.APPLICATION_JSON);
        httpPost.setEntity(requestEntity);
        try {
            HttpResponse response = httpClient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK || response.getStatusLine().getStatusCode() == HttpStatus.SC_CREATED) {
                String responseStr = EntityUtils.toString(entity);
                if (log.isDebugEnabled()) {
                    log.debug("Workflow oauth app created: " + responseStr);
                }
                JSONParser parser = new JSONParser();
                JSONObject obj = (JSONObject) parser.parse(responseStr);
                clientId = (String) obj.get(PayloadConstants.VARIABLE_CLIENTID);
                clientSecret = (String) obj.get(PayloadConstants.VARIABLE_CLIENTSECRET);
            } else {
                String error = "Error while starting the process:  " + response.getStatusLine().getStatusCode() + " " + response.getStatusLine().getReasonPhrase();
                log.error(error);
                throw new WorkflowException(error);
            }
        } catch (ClientProtocolException e) {
            String errorMsg = "Error while creating the http client";
            log.error(errorMsg, e);
            throw new WorkflowException(errorMsg, e);
        } catch (IOException e) {
            String errorMsg = "Error while connecting to dcr endpoint";
            log.error(errorMsg, e);
            throw new WorkflowException(errorMsg, e);
        } catch (ParseException e) {
            String errorMsg = "Error while parsing response from DCR endpoint";
            log.error(errorMsg, e);
            throw new WorkflowException(errorMsg, e);
        } finally {
            httpPost.reset();
        }
    }
    apiStateWorkFlowDTO.setClientId(clientId);
    apiStateWorkFlowDTO.setClientSecret(clientSecret);
    apiStateWorkFlowDTO.setScope(WorkflowConstants.API_WF_SCOPE);
    apiStateWorkFlowDTO.setTokenAPI(workflowProperties.getTokenEndPoint());
}

Example 10 with WorkflowException

use of org.wso2.carbon.apimgt.impl.workflow.WorkflowException in project carbon-apimgt by wso2.

the class APIStateChangeWSWorkflowExecutor method complete.

/**
 * Complete the API state change workflow process.
 */
@Override
public WorkflowResponse complete(WorkflowDTO workflowDTO) throws WorkflowException {
    if (log.isDebugEnabled()) {
        log.debug("Completing API State change Workflow..");
        log.debug("response: " + workflowDTO.toString());
    }
    workflowDTO.setUpdatedTime(System.currentTimeMillis());
    super.complete(workflowDTO);
    String action = workflowDTO.getAttributes().get(PayloadConstants.VARIABLE_API_LC_ACTION);
    String apiName = workflowDTO.getAttributes().get(PayloadConstants.VARIABLE_APINAME);
    String providerName = workflowDTO.getAttributes().get(PayloadConstants.VARIABLE_APIPROVIDER);
    String version = workflowDTO.getAttributes().get(PayloadConstants.VARIABLE_APIVERSION);
    String invoker = workflowDTO.getAttributes().get(PayloadConstants.VARIABLE_INVOKER);
    String currentStatus = workflowDTO.getAttributes().get(PayloadConstants.VARIABLE_APISTATE);
    int tenantId = workflowDTO.getTenantId();
    ApiMgtDAO apiMgtDAO = ApiMgtDAO.getInstance();
    try {
        // tenant flow is already started from the rest api service impl. no need to start from here
        PrivilegedCarbonContext.getThreadLocalCarbonContext().setUsername(invoker);
        Registry registry = ServiceReferenceHolder.getInstance().getRegistryService().getGovernanceUserRegistry(invoker, tenantId);
        APIIdentifier apiIdentifier = new APIIdentifier(providerName, apiName, version);
        GenericArtifact apiArtifact = APIUtil.getAPIArtifact(apiIdentifier, registry);
        if (WorkflowStatus.APPROVED.equals(workflowDTO.getStatus())) {
            String targetStatus;
            apiArtifact.invokeAction(action, APIConstants.API_LIFE_CYCLE);
            targetStatus = apiArtifact.getLifecycleState();
            if (!currentStatus.equals(targetStatus)) {
                apiMgtDAO.recordAPILifeCycleEvent(apiArtifact.getId(), currentStatus.toUpperCase(), targetStatus.toUpperCase(), invoker, tenantId);
            }
            if (log.isDebugEnabled()) {
                String logMessage = "API Status changed successfully. API Name: " + apiIdentifier.getApiName() + ", API Version " + apiIdentifier.getVersion() + ", New Status : " + targetStatus;
                log.debug(logMessage);
            }
        }
    } catch (RegistryException e) {
        String errorMsg = "Could not complete api state change workflow";
        log.error(errorMsg, e);
        throw new WorkflowException(errorMsg, e);
    } catch (APIManagementException e) {
        String errorMsg = "Could not complete api state change workflow";
        log.error(errorMsg, e);
        throw new WorkflowException(errorMsg, e);
    }
    return new GeneralWorkflowResponse();
}