Examples with Parser org.wso2.ballerinalang.compiler.parser.Parser used on opensource projects

Example 1 with Parser

use of org.wso2.ballerinalang.compiler.parser.Parser in project siddhi by wso2.

the class SiddhiCompiler method parseFunctionDefinition.

public static FunctionDefinition parseFunctionDefinition(String source) throws SiddhiParserException {
    ANTLRInputStream input = new ANTLRInputStream(source);
    SiddhiQLLexer lexer = new SiddhiQLLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(SiddhiErrorListener.INSTANCE);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SiddhiQLParser parser = new SiddhiQLParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(SiddhiErrorListener.INSTANCE);
    ParseTree tree = parser.definition_function_final();
    SiddhiQLVisitor eval = new SiddhiQLBaseVisitorImpl();
    return (FunctionDefinition) eval.visit(tree);
}

Example 2 with Parser

use of org.wso2.ballerinalang.compiler.parser.Parser in project siddhi by wso2.

the class SiddhiCompiler method parseTimeConstantDefinition.

public static TimeConstant parseTimeConstantDefinition(String source) throws SiddhiParserException {
    ANTLRInputStream input = new ANTLRInputStream(source);
    SiddhiQLLexer lexer = new SiddhiQLLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(SiddhiErrorListener.INSTANCE);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SiddhiQLParser parser = new SiddhiQLParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(SiddhiErrorListener.INSTANCE);
    ParseTree tree = parser.time_value();
    SiddhiQLVisitor eval = new SiddhiQLBaseVisitorImpl();
    return (TimeConstant) eval.visit(tree);
}

Example 3 with Parser

use of org.wso2.ballerinalang.compiler.parser.Parser in project siddhi by wso2.

the class SiddhiCompiler method parseStoreQuery.

public static StoreQuery parseStoreQuery(String storeQuery) throws SiddhiParserException {
    ANTLRInputStream input = new ANTLRInputStream(storeQuery);
    SiddhiQLLexer lexer = new SiddhiQLLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(SiddhiErrorListener.INSTANCE);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SiddhiQLParser parser = new SiddhiQLParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(SiddhiErrorListener.INSTANCE);
    ParseTree tree = parser.store_query_final();
    SiddhiQLVisitor eval = new SiddhiQLBaseVisitorImpl();
    return (StoreQuery) eval.visit(tree);
}

Example 4 with Parser

use of org.wso2.ballerinalang.compiler.parser.Parser in project carbon-apimgt by wso2.

the class SubscriptionThrottlePolicyMappingUtil method fromSubscriptionThrottlePolicyToDTO.

/**
 * Converts a single Subscription Policy model into REST API DTO
 *
 * @param policy Subscription Policy model object
 * @return Converted Subscription policy REST API DTO object
 * @throws SubscriptionThrottlePolicyException - If error occurs
 */
public static SubscriptionThrottlePolicyDTO fromSubscriptionThrottlePolicyToDTO(SubscriptionPolicy policy) throws SubscriptionThrottlePolicyException {
    try {
        SubscriptionThrottlePolicyDTO policyDTO = new SubscriptionThrottlePolicyDTO();
        policyDTO = CommonThrottleMappingUtil.updateFieldsFromToPolicyToDTO(policy, policyDTO);
        SubscriptionPolicy subscriptionPolicy = policy;
        policyDTO.setBillingPlan(subscriptionPolicy.getBillingPlan());
        policyDTO.setRateLimitCount(subscriptionPolicy.getRateLimitCount());
        policyDTO.setRateLimitTimeUnit(subscriptionPolicy.getRateLimitTimeUnit());
        policyDTO.setStopOnQuotaReach(subscriptionPolicy.isStopOnQuotaReach());
        byte[] customAttributes = subscriptionPolicy.getCustomAttributes();
        if (customAttributes != null && customAttributes.length > 0) {
            List<CustomAttributeDTO> customAttributeDTOs = new ArrayList<>();
            JSONParser parser = new JSONParser();
            JSONArray attributeArray = (JSONArray) parser.parse(new String(customAttributes, StandardCharsets.UTF_8));
            for (Object attributeObj : attributeArray) {
                JSONObject attribute = (JSONObject) attributeObj;
                CustomAttributeDTO customAttributeDTO = CommonThrottleMappingUtil.getCustomAttribute(attribute.get(RestApiConstants.THROTTLING_CUSTOM_ATTRIBUTE_NAME).toString(), attribute.get(RestApiConstants.THROTTLING_CUSTOM_ATTRIBUTE_VALUE).toString());
                customAttributeDTOs.add(customAttributeDTO);
            }
            policyDTO.setCustomAttributes(customAttributeDTOs);
        }
        if (policy.getDefaultQuotaPolicy() != null) {
            policyDTO.setDefaultLimit(CommonThrottleMappingUtil.fromQuotaPolicyToDTO(policy.getDefaultQuotaPolicy()));
        }
        return policyDTO;
    } catch (ParseException | UnsupportedThrottleLimitTypeException e) {
        throw new SubscriptionThrottlePolicyException(e.getMessage(), e);
    }
}

Example 5 with Parser

use of org.wso2.ballerinalang.compiler.parser.Parser in project carbon-apimgt by wso2.

the class DefaultIdentityProviderImpl method getEmailOfUser.

@Override
public String getEmailOfUser(String userId) throws IdentityProviderException {
    Response userResponse = scimServiceStub.getUser(userId);
    String userEmail;
    if (userResponse == null) {
        String errorMessage = "Error occurred while retrieving Id of user " + userId + ". Error : Response is null.";
        log.error(errorMessage);
        throw new IdentityProviderException(errorMessage, ExceptionCodes.RESOURCE_RETRIEVAL_FAILED);
    }
    if (userResponse.status() == APIMgtConstants.HTTPStatusCodes.SC_200_OK) {
        String responseBody = userResponse.body().toString();
        JsonParser parser = new JsonParser();
        JsonObject parsedResponseBody = (JsonObject) parser.parse(responseBody);
        userEmail = parsedResponseBody.get("emails").toString().replaceAll("[\\[\\]\"]", "");
        log.debug("Email {} of user {} is successfully retrieved from SCIM endpoint.", userEmail, parsedResponseBody.get(USERNAME).getAsString());
    } else {
        String errorMessage = "Error occurred while retrieving Id of user " + userId + ". Error : " + getErrorMessage(userResponse);
        log.error(errorMessage);
        throw new IdentityProviderException(errorMessage, ExceptionCodes.RESOURCE_RETRIEVAL_FAILED);
    }
    return userEmail;
}