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Tarantool Cartridge driver for Tarantool versions 1.10+ based on Netty framework

There is a newer version: 0.14.0

package io.tarantool.driver.exceptions.errors;

import io.tarantool.driver.exceptions.TarantoolClientException;
import io.tarantool.driver.exceptions.TarantoolException;
import org.msgpack.core.MessagePackException;
import org.msgpack.value.Value;

import java.util.Arrays;
import java.util.List;
import java.util.Optional;

/**
 * A parser that pushes the error into different types of tarantool errors
 * and looks at which one fits, if none fits, then at the end there will be a stub error.
 * This is essentially the implementation of the Chain of Command pattern.
 * As a result, an exception of the desired type and with the desired message is thrown.
 *
 * @author Artyom Dubinin
 * @author Oleg Kuznetsov
 */
public final class TarantoolErrorsParser {
    private static final List errorsFactories = Arrays.asList(
        new TarantoolErrors.TarantoolBoxErrorFactory(),
        new TarantoolErrors.TarantoolErrorsErrorFactory(),
        new TarantoolErrors.TarantoolUnrecognizedErrorFactory()
    );

    private TarantoolErrorsParser() {
    }

    /**
     * Parse the error from tarantool
     *
     * @param error error received from Tarantool
     * @return an exception of the special type and with the special message is thrown
     * @throws TarantoolClientException if the error message conversion cannot be performed
     */
    public static TarantoolException parse(Value error) {
        try {
            return errorsFactories.stream()
                .map(factory -> factory.create(error))
                .filter(Optional::isPresent)
                .map(Optional::get)
                .findFirst()
                .orElseThrow(() -> new TarantoolClientException("Failed to parse internal error"));

        } catch (MessagePackException e) {
            throw new TarantoolClientException("Failed to unpack internal error", e);
        }
    }
}