public static void config()

in core/src/main/java/com/alibaba/druid/pool/DruidDataSourceFactory.java [179:412]
196 lines of code
50 McCabe index (conditional complexity)

    public static void config(DruidDataSource dataSource, Map<?, ?> properties) throws SQLException {
        String value = null;

        value = (String) properties.get(PROP_NAME);
        if (value != null) {
            dataSource.setName(value);
        }

        value = (String) properties.get(PROP_DEFAULTAUTOCOMMIT);
        if (value != null) {
            dataSource.setDefaultAutoCommit(Boolean.valueOf(value).booleanValue());
        }

        value = (String) properties.get(PROP_DEFAULTREADONLY);
        if (value != null) {
            dataSource.setDefaultReadOnly(Boolean.valueOf(value).booleanValue());
        }

        value = (String) properties.get(PROP_DEFAULTTRANSACTIONISOLATION);
        if (value != null) {
            int level = UNKNOWN_TRANSACTIONISOLATION;
            if ("NONE".equalsIgnoreCase(value)) {
                level = Connection.TRANSACTION_NONE;
            } else if ("READ_COMMITTED".equalsIgnoreCase(value)) {
                level = Connection.TRANSACTION_READ_COMMITTED;
            } else if ("READ_UNCOMMITTED".equalsIgnoreCase(value)) {
                level = Connection.TRANSACTION_READ_UNCOMMITTED;
            } else if ("REPEATABLE_READ".equalsIgnoreCase(value)) {
                level = Connection.TRANSACTION_REPEATABLE_READ;
            } else if ("SERIALIZABLE".equalsIgnoreCase(value)) {
                level = Connection.TRANSACTION_SERIALIZABLE;
            } else {
                try {
                    level = Integer.parseInt(value);
                } catch (NumberFormatException e) {
                    LOG.error("Could not parse defaultTransactionIsolation: " + value);
                    LOG.error("WARNING: defaultTransactionIsolation not set");
                    LOG.error("using default value of database driver");
                    level = UNKNOWN_TRANSACTIONISOLATION;
                }
            }
            dataSource.setDefaultTransactionIsolation(level);
        }

        value = (String) properties.get(PROP_DEFAULTCATALOG);
        if (value != null) {
            dataSource.setDefaultCatalog(value);
        }

        value = (String) properties.get(PROP_DRIVERCLASSNAME);
        if (value != null) {
            dataSource.setDriverClassName(value);
        }

        value = (String) properties.get(PROP_MAXACTIVE);
        if (value != null) {
            dataSource.setMaxActive(Integer.parseInt(value));
        }

        value = (String) properties.get(PROP_MAXIDLE);
        if (value != null) {
            dataSource.setMaxIdle(Integer.parseInt(value));
        }

        value = (String) properties.get(PROP_MINIDLE);
        if (value != null) {
            dataSource.setMinIdle(Integer.parseInt(value));
        }

        value = (String) properties.get(PROP_INITIALSIZE);
        if (value != null) {
            dataSource.setInitialSize(Integer.parseInt(value));
        }

        value = (String) properties.get(PROP_MAXWAIT);
        if (value != null) {
            dataSource.setMaxWait(Long.parseLong(value));
        }

        value = (String) properties.get(PROP_TESTONBORROW);
        if (value != null) {
            dataSource.setTestOnBorrow(Boolean.valueOf(value).booleanValue());
        }

        value = (String) properties.get(PROP_TESTONRETURN);
        if (value != null) {
            dataSource.setTestOnReturn(Boolean.valueOf(value).booleanValue());
        }

        value = (String) properties.get(PROP_TIMEBETWEENEVICTIONRUNSMILLIS);
        if (value != null) {
            dataSource.setTimeBetweenEvictionRunsMillis(Long.parseLong(value));
        }

        value = (String) properties.get(PROP_NUMTESTSPEREVICTIONRUN);
        if (value != null) {
            dataSource.setNumTestsPerEvictionRun(Integer.parseInt(value));
        }

        value = (String) properties.get(PROP_MINEVICTABLEIDLETIMEMILLIS);
        if (value != null) {
            dataSource.setMinEvictableIdleTimeMillis(Long.parseLong(value));
        }

        value = (String) properties.get(PROP_MAXEVICTABLEIDLETIMEMILLIS);
        if (value != null) {
            dataSource.setMaxEvictableIdleTimeMillis(Long.parseLong(value));
        }

        value = (String) properties.get(PROP_PHY_TIMEOUT_MILLIS);
        if (value != null) {
            dataSource.setPhyTimeoutMillis(Long.parseLong(value));
        }

        value = (String) properties.get(PROP_TESTWHILEIDLE);
        if (value != null) {
            dataSource.setTestWhileIdle(Boolean.valueOf(value).booleanValue());
        }

        value = (String) properties.get(PROP_PASSWORD);
        if (value != null) {
            dataSource.setPassword(value);
        }

        value = (String) properties.get(PROP_URL);
        if (value != null) {
            dataSource.setUrl(value);
        }

        value = (String) properties.get(PROP_USERNAME);
        if (value != null) {
            dataSource.setUsername(value);
        }

        value = (String) properties.get(PROP_VALIDATIONQUERY);
        if (value != null) {
            dataSource.setValidationQuery(value);
        }

        value = (String) properties.get(PROP_VALIDATIONQUERY_TIMEOUT);
        if (value != null) {
            dataSource.setValidationQueryTimeout(Integer.parseInt(value));
        }

        value = (String) properties.get(PROP_ACCESSTOUNDERLYINGCONNECTIONALLOWED);
        if (value != null) {
            dataSource.setAccessToUnderlyingConnectionAllowed(Boolean.valueOf(value).booleanValue());
        }

        value = (String) properties.get(PROP_REMOVEABANDONED);
        if (value != null) {
            dataSource.setRemoveAbandoned(Boolean.valueOf(value).booleanValue());
        }

        value = (String) properties.get(PROP_REMOVEABANDONEDTIMEOUT);
        if (value != null) {
            dataSource.setRemoveAbandonedTimeout(Integer.parseInt(value));
        }

        value = (String) properties.get(PROP_LOGABANDONED);
        if (value != null) {
            dataSource.setLogAbandoned(Boolean.valueOf(value).booleanValue());
        }

        value = (String) properties.get(PROP_POOLPREPAREDSTATEMENTS);
        if (value != null) {
            boolean poolPreparedStatements = Boolean.valueOf(value).booleanValue();
            dataSource.setPoolPreparedStatements(poolPreparedStatements);

            if (poolPreparedStatements) {
                value = (String) properties.get(PROP_MAXOPENPREPAREDSTATEMENTS);
                if (value != null) {
                    dataSource.setMaxOpenPreparedStatements(Integer.parseInt(value));
                }
            }
        }

        value = (String) properties.get(PROP_FILTERS);
        if (value != null) {
            dataSource.setFilters(value);
        }

        value = (String) properties.get(PROP_EXCEPTION_SORTER);
        if (value != null) {
            dataSource.setExceptionSorter(value);
        }

        value = (String) properties.get(PROP_EXCEPTION_SORTER_CLASS_NAME);
        if (value != null) {
            dataSource.setExceptionSorter(value);
        }

        value = (String) properties.get(PROP_INITCONNECTIONSQLS);
        if (value != null) {
            StringTokenizer tokenizer = new StringTokenizer(value, ";");
            dataSource.setConnectionInitSqls(Collections.list(tokenizer));
        }

        value = (String) properties.get(PROP_CONNECTIONPROPERTIES);
        if (value != null) {
            dataSource.setConnectionProperties(value);
        }
        value = (String) properties.get(PROP_SOCKET_TIMEOUT);
        if (value != null) {
            dataSource.setSocketTimeout(Integer.parseInt(value));
        }
        value = (String) properties.get(PROP_CONNECT_TIMEOUT);
        if (value != null) {
            dataSource.setConnectTimeout(Integer.parseInt(value));
        }

        {
            Properties dataSourceProperties = null;
            for (Map.Entry entry : properties.entrySet()) {
                String entryKey = (String) entry.getKey();
                if (entryKey.startsWith("druid.")) {
                    if (dataSourceProperties == null) {
                        dataSourceProperties = new Properties();
                    }

                    String entryValue = (String) entry.getValue();
                    dataSourceProperties.put(entryKey, entryValue);
                }
            }
            if (dataSourceProperties != null) {
                dataSource.configFromPropeties(dataSourceProperties);
            }
        }

        value = (String) properties.get(PROP_INIT);
        if ("true".equals(value)) {
            dataSource.init();
        }
    }