Examples with APITemplateException org.wso2.carbon.apimgt.impl.template.APITemplateException used on opensource projects

Example 26 with APITemplateException

use of org.wso2.carbon.apimgt.impl.template.APITemplateException in project carbon-apimgt by wso2.

the class APITemplateBuilderImpl method initVelocityEngine.

/**
 * Initialize velocity engine.
 *
 * @param velocityengine velocity engine object reference
 * @throws APITemplateException in case of an error
 */
private void initVelocityEngine(VelocityEngine velocityengine) throws APITemplateException {
    Thread thread = Thread.currentThread();
    ClassLoader loader = thread.getContextClassLoader();
    thread.setContextClassLoader(this.getClass().getClassLoader());
    try {
        velocityengine.init();
    } catch (Exception e) {
        String msg = "Error while initiating the Velocity engine";
        log.error(msg, e);
        throw new APITemplateException(msg, e);
    } finally {
        thread.setContextClassLoader(loader);
    }
}

Example 27 with APITemplateException

use of org.wso2.carbon.apimgt.impl.template.APITemplateException in project carbon-apimgt by wso2.

the class PolicyUtil method deployPolicy.

/**
 * Deploy the given throttle policy in the Traffic Manager.
 *
 * @param policy      policy object
 * @param policyEvent policy event object which was triggered
 */
public static void deployPolicy(Policy policy, PolicyEvent policyEvent) {
    EventProcessorService eventProcessorService = ServiceReferenceHolder.getInstance().getEventProcessorService();
    ThrottlePolicyTemplateBuilder policyTemplateBuilder = new ThrottlePolicyTemplateBuilder();
    Map<String, String> policiesToDeploy = new HashMap<>();
    List<String> policiesToUndeploy = new ArrayList<>();
    try {
        PrivilegedCarbonContext.startTenantFlow();
        PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(APIConstants.SUPER_TENANT_DOMAIN, true);
        String policyFile;
        String policyString;
        if (Policy.PolicyType.SUBSCRIPTION.equals(policy.getType()) && policy instanceof SubscriptionPolicy) {
            // Add Subscription policy
            policyFile = String.join(APIConstants.DELEM_UNDERSCORE, policy.getTenantDomain(), PolicyConstants.POLICY_LEVEL_SUB, policy.getName());
            policyString = policyTemplateBuilder.getThrottlePolicyForSubscriptionLevel((SubscriptionPolicy) policy);
            policiesToDeploy.put(policyFile, policyString);
        } else if (Policy.PolicyType.APPLICATION.equals(policy.getType()) && policy instanceof ApplicationPolicy) {
            // Add Application policy
            policyFile = String.join(APIConstants.DELEM_UNDERSCORE, policy.getTenantDomain(), PolicyConstants.POLICY_LEVEL_APP, policy.getName());
            policyString = policyTemplateBuilder.getThrottlePolicyForAppLevel((ApplicationPolicy) policy);
            policiesToDeploy.put(policyFile, policyString);
        } else if (Policy.PolicyType.API.equals(policy.getType()) && policy instanceof ApiPolicy) {
            // Add API policy
            policiesToDeploy = policyTemplateBuilder.getThrottlePolicyForAPILevel((ApiPolicy) policy);
            String defaultPolicy = policyTemplateBuilder.getThrottlePolicyForAPILevelDefault((ApiPolicy) policy);
            policyFile = String.join(APIConstants.DELEM_UNDERSCORE, policy.getTenantDomain(), PolicyConstants.POLICY_LEVEL_RESOURCE, policy.getName());
            String defaultPolicyName = policyFile + APIConstants.THROTTLE_POLICY_DEFAULT;
            policiesToDeploy.put(defaultPolicyName, defaultPolicy);
            if (policyEvent instanceof APIPolicyEvent) {
                List<Integer> deletedConditionGroupIds = ((APIPolicyEvent) policyEvent).getDeletedConditionGroupIds();
                // Undeploy removed condition groups
                if (deletedConditionGroupIds != null) {
                    for (int conditionGroupId : deletedConditionGroupIds) {
                        policiesToUndeploy.add(policyFile + APIConstants.THROTTLE_POLICY_CONDITION + conditionGroupId);
                    }
                }
            }
        } else if (Policy.PolicyType.GLOBAL.equals(policy.getType()) && policy instanceof GlobalPolicy) {
            // Add Global policy
            GlobalPolicy globalPolicy = (GlobalPolicy) policy;
            policyFile = String.join(APIConstants.DELEM_UNDERSCORE, PolicyConstants.POLICY_LEVEL_GLOBAL, policy.getName());
            policyString = policyTemplateBuilder.getThrottlePolicyForGlobalLevel(globalPolicy);
            policiesToDeploy.put(policyFile, policyString);
        }
        // Undeploy removed policies
        undeployPolicies(policiesToUndeploy);
        for (Map.Entry<String, String> pair : policiesToDeploy.entrySet()) {
            String policyPlanName = pair.getKey();
            String flowString = pair.getValue();
            String executionPlan = null;
            try {
                executionPlan = eventProcessorService.getActiveExecutionPlan(policyPlanName);
            } catch (ExecutionPlanConfigurationException e) {
                // Deploy new policies
                eventProcessorService.deployExecutionPlan(flowString);
            }
            if (executionPlan != null) {
                // Update existing policies
                eventProcessorService.editActiveExecutionPlan(flowString, policyPlanName);
            }
        }
    } catch (APITemplateException e) {
        log.error("Error in creating execution plan", e);
    } catch (ExecutionPlanConfigurationException | ExecutionPlanDependencyValidationException e) {
        log.error("Error in deploying execution plan", e);
    } finally {
        PrivilegedCarbonContext.endTenantFlow();
    }
}

Example 28 with APITemplateException

use of org.wso2.carbon.apimgt.impl.template.APITemplateException in project carbon-apimgt by wso2.

the class GatewaySourceGeneratorImpl method getEndpointConfigStringFromTemplate.

@Override
public String getEndpointConfigStringFromTemplate(Endpoint endpoint) throws APITemplateException {
    StringWriter writer = new StringWriter();
    String templatePath = "resources" + File.separator + "template" + File.separator + "endpoint.xml";
    try {
        // build the context for template and apply the necessary decorators
        ConfigContext configcontext = new EndpointContext(endpoint, packageName);
        VelocityContext context = configcontext.getContext();
        VelocityEngine velocityengine = new VelocityEngine();
        velocityengine.setProperty(RuntimeConstants.RESOURCE_LOADER, "classpath");
        velocityengine.setProperty("classpath.resource.loader.class", ClasspathResourceLoader.class.getName());
        velocityengine.init();
        Template template = velocityengine.getTemplate(templatePath);
        template.merge(context, writer);
    } catch (ResourceNotFoundException e) {
        log.error("Template " + templatePath + " not Found", e);
        throw new APITemplateException("Template " + templatePath + " not Found", ExceptionCodes.TEMPLATE_EXCEPTION);
    } catch (ParseErrorException e) {
        log.error("Syntax error in " + templatePath, e);
        throw new APITemplateException("Syntax error in " + templatePath, ExceptionCodes.TEMPLATE_EXCEPTION);
    }
    return writer.toString();
}

Example 29 with APITemplateException

use of org.wso2.carbon.apimgt.impl.template.APITemplateException in project carbon-apimgt by wso2.

the class APIConfigContextTestCase method testWithNullParameters.

@Test(expectedExceptions = APITemplateException.class)
public void testWithNullParameters() throws APITemplateException {
    API emptyNamedAPI = new API.APIBuilder(null, null, "1.0.0").context("testcontext").id(UUID.randomUUID().toString()).build();
    APIConfigContext apiConfigContext = new APIConfigContext(emptyNamedAPI, "org.test");
    apiConfigContext.validate();
}

Example 30 with APITemplateException

use of org.wso2.carbon.apimgt.impl.template.APITemplateException in project carbon-apimgt by wso2.

the class APIConfigContextTestCase method testWithEmptyParameters.

@Test(expectedExceptions = APITemplateException.class)
public void testWithEmptyParameters() throws APITemplateException {
    API emptyNamedAPI = new API.APIBuilder("", "", "").context("testcontext").id(UUID.randomUUID().toString()).build();
    APIConfigContext apiConfigContext = new APIConfigContext(emptyNamedAPI, "org.test");
    apiConfigContext.validate();
}