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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 org.msgpack.value.StringValue;
import org.msgpack.value.Value;

import java.util.Map;

/**
 * This class can create error message by keys from msgPack error response
 *
 * @author Oleg Kuznetsov
 */
class ErrorMessageBuilder {

    private final StringBuilder stringBuilder;
    private final Map values;
    private final ErrorKey[] keys;

    ErrorMessageBuilder(String startsWith, ErrorKey[] keys, Map values) {
        this.stringBuilder = new StringBuilder(startsWith);
        this.values = values;
        this.keys = keys;
    }

    String build() {
        for (ErrorKey key : keys) {
            final StringValue stringValue = key.getMsgPackKey();
            final String s = values.containsKey(stringValue) ? values.get(stringValue).toString() : null;
            if (s != null && s.length() != 0) {
                stringBuilder.append("\n").append(key.getKey().toLowerCase()).append(": ").append(s);
            }
        }

        return stringBuilder.toString();
    }
}