docs/docs-core/src/main/java/com/sismics/docs/core/util/ConfigUtil.java

package com.sismics.docs.core.util;

import java.util.ResourceBundle;

import com.sismics.docs.core.constant.ConfigType;
import com.sismics.docs.core.dao.jpa.ConfigDao;
import com.sismics.docs.core.model.jpa.Config;

/**
 * Configuration parameter utilities.
 * 
 * @author jtremeaux
 */
public class ConfigUtil {
    /**
     * Returns the textual value of a configuration parameter.
     * 
     * @param configType Type of the configuration parameter
     * @return Textual value of the configuration parameter
     * @throws IllegalStateException Configuration parameter undefined
     */
    public static String getConfigStringValue(ConfigType configType) {
        ConfigDao configDao = new ConfigDao();
        Config config = configDao.getById(configType);
        if (config == null) {
            throw new IllegalStateException("Config parameter not found: " + configType);
        }
        return config.getValue();
    }

    /**
     * Returns the configuration resource bundle.
     * 
     * @return Resource bundle
     */
    public static ResourceBundle getConfigBundle() {
        return ResourceBundle.getBundle("config");
    }

    /**
     * Returns the integer value of a configuration parameter.
     * 
     * @param configType Type of the configuration parameter
     * @return Integer value of the configuration parameter
     * @throws IllegalStateException Configuration parameter undefined
     */
    public static int getConfigIntegerValue(ConfigType configType) {
        String value = getConfigStringValue(configType);
        
        return Integer.parseInt(value);
    }

    /**
     * Returns the boolean value of a configuration parameter.
     * 
     * @param configType Type of the configuration parameter
     * @return Boolean value of the configuration parameter
     * @throws IllegalStateException Configuration parameter undefined
     */
    public static boolean getConfigBooleanValue(ConfigType configType) {
        String value = getConfigStringValue(configType);
        
        return Boolean.parseBoolean(value);
    }
}