/**
     * Creates a EisConfiguration.
     * <p>
     * Initializes the instance variables. Constructor has package visibility only,
     * EisTambasConfiguration is instantiated by EisTambasInitializer. If an error occurres when
     * reading the configuration, then a ConfigurationErrorException containing details about the
     * error is thrown.
     *
     * @param envData {@link EnvironmentData}
     * @throws ConfigurationErrorException This is thrown if an error occurs while reading the
     *         configuration.
     */
    EisTambasConfiguration(EnvironmentData envData) throws ConfigurationErrorException {
        ConfigurationInterface config = ConfigurationFactory.getConfigurationInstance(envData);

        boolean error = false;
        // chs log technical configuration problems immediately. not collected
        // because not shown to the user
        log.info("starting initialization of EisTambasConfiguration"); //$NON-NLS-1$
        try {
            tambasMaxConnetion = config.getIntegerPrimitiveProperty(envData, buildCongigKey(
                CONF_PARAM_MAX_TAMBAS_CONNECTION, envData));
        } catch (ConfigurationErrorException e) {
            log.error(e);
            error = true;
        }
        try {
            tambasFillFirstConnection = config.getIntegerPrimitiveProperty(envData, buildCongigKey(
                CONF_PARAM_FILL_FIRST_TAMBAS_CONNECTION, envData));
        } catch (ConfigurationErrorException e) {
            log.error(e);
            error = true;
        }
        try {
            tambasCommandsBeforePgmCall = config.getSortedPropertiesPrefixedBy(envData, buildCongigKey(
                CONF_PARAM_COMMANDS_BEFORE_TAMBAS_PGM_CALL, envData), true);
        } catch (ConfigurationErrorException e) {
            tambasCommandsBeforePgmCall = null;
        }
        try {
            tambasCommandsAfterPgmCall = config.getSortedPropertiesPrefixedBy(envData, buildCongigKey(
                CONF_PARAM_COMMANDS_AFTER_TAMBAS_PGM_CALL, envData), true);
        } catch (ConfigurationErrorException e) {
            tambasCommandsAfterPgmCall = null;
        }
        try {
            tambasInitCommands = config.getSortedPropertiesPrefixedBy(envData, buildCongigKey(
                CONF_PARAM_INIT_COMMANDS_TAMBAS_CONNECTION, envData), true);
        } catch (ConfigurationErrorException e) {
            log.error(e);
            error = true;
        }
        try {
            tambasI5System = config.getStringProperty(envData, buildCongigKey(
                CONF_PARAM_I5_SYSTEM_TAMBAS_CONNECTION, envData));
        } catch (ConfigurationErrorException e) {
            log.error(e);
            error = true;
        }
        try {
            tambasI5User = config.getStringProperty(envData, buildCongigKey(
                CONF_PARAM_I5_USER_TAMBAS_CONNECTION, envData));
        } catch (ConfigurationErrorException e) {
            log.error(e);
            error = true;
        }
        try {
            tambasI5Password = config.getStringProperty(envData, buildCongigKey(
                CONF_PARAM_I5_PASSWORD_TAMBAS_CONNECTION, envData));
        } catch (ConfigurationErrorException e) {
            log.error(e);
            error = true;
        }
        try {
            tambasPrintText = config.getStringProperty(envData, buildCongigKey(PRINT_TEXT_TAMBAS_CONNECTION,
                envData));
        } catch (ConfigurationErrorException e) {
            log.error(e);
            error = true;
        }
        try {
            Long timeOutTime = new Long(config.getIntegerPrimitiveProperty(envData, buildCongigKey(
                CONF_PARAM_PING_TIMEOUT, envData)));
            tambasTimeOutTime = timeOutTime.longValue();
        } catch (ConfigurationErrorException e) {
            log.error(e);
            error = true;
        }
        log.info("finished initialization of EisTambasConfiguration with errors: " + error); //$NON-NLS-1$

        if (error) {
            throw new ConfigurationErrorException("error configuring EisTambas Connector", null, envData); //$NON-NLS-1$
        }

        encrypter = new DesEncrypter(buildCongigKey(CONF_PARAM_I5_PASSWORD_TAMBAS_CONNECTION, envData));
    }