ro.cs.om.common.ConfigParametersProvider.java Source code

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Here is the source code for ro.cs.om.common.ConfigParametersProvider.java

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/*******************************************************************************
 * This file is part of Termitaria, a project management tool 
 *  Copyright (C) 2008-2013 CodeSphere S.R.L., www.codesphere.ro
 *   
 *  Termitaria is free software; you can redistribute it and/or 
 *  modify it under the terms of the GNU Affero General Public License 
 *  as published by the Free Software Foundation; either version 3 of 
 *  the License, or (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful, 
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of 
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 *  GNU Affero General Public License for more details.
 *  
 *  You should have received a copy of the GNU Affero General Public License 
 *  along with Termitaria. If not, see  <http://www.gnu.org/licenses/> .
 ******************************************************************************/
package ro.cs.om.common;

import java.awt.Color;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.util.StringUtils;

/**
 * Provides access to config parameters defined in *.properties files in config package.
 * @author matti_joona
 */
public class ConfigParametersProvider {

    static Log logger = LogFactory.getLog(ConfigParametersProvider.class);

    public static final String ROOT_LOCATION = "/config";
    private static final String BUNDLE_ROOT = "config.";

    private static ResourceBundle RESOURCE_BUNDLE = null;

    /**
     * @author matti_joona
     * 
     * Get a config string from config.properties
     */
    public static String getConfigString(String key) {
        return getString("config", key);
    }

    /**
     * Returns a String value read from a config file
     * @return
     */
    public static String getString(String BUNDLE_NAME, String key) {
        RESOURCE_BUNDLE = ResourceBundle.getBundle(BUNDLE_ROOT.concat(BUNDLE_NAME));
        try {
            return RESOURCE_BUNDLE.getString(key);
        } catch (MissingResourceException e) {
            return '!' + key + '!';
        }
    }

    /**
     * Returns a config string value by it's key, and null if that key it's
     * not present.
     *
     * @author dd 
     */
    public static String getConfigStringProtected(String key) {
        RESOURCE_BUNDLE = ResourceBundle.getBundle(BUNDLE_ROOT.concat("config"));
        try {
            return RESOURCE_BUNDLE.getString(key);
        } catch (MissingResourceException e) {
            return null;
        }
    }

    /**
     * Returns a Color value read from THE config file.
     * The Color must be in RGB form.  
     * @author dan.damian 
     */
    public static Color getConfigStringAsColor(String key) {
        return getStringAsColor("config", key);
    }

    /**
     * Returns a Color value read from a config file.
     * The Color must be in RGB form.  
     * @author dan.damian 
     */
    public static Color getStringAsColor(String _RESOURCE_BUNDLE, String key) {
        RESOURCE_BUNDLE = ResourceBundle.getBundle(BUNDLE_ROOT.concat(_RESOURCE_BUNDLE));
        Color c = null;
        try {
            String value = RESOURCE_BUNDLE.getString(key);
            String[] numbers = StringUtils.delimitedListToStringArray(value, ",", ")][(");
            int R = Integer.parseInt(numbers[0].trim());
            int G = Integer.parseInt(numbers[1].trim());
            int B = Integer.parseInt(numbers[2].trim());
            c = new Color(R, G, B);
        } catch (Exception e) {
            logger.error(e);
            return null;
        }
        return c;
    }

    /**
     * Returns an int value read from THE config file.
     * @author dan.damian 
     */
    public static int getConfigStringAsInt(String key) {
        return getStringAsInt("config", key);
    }

    /**
     * Returns an int value read from a config file.
     * @author dan.damian 
     */
    public static int getStringAsInt(String _RESOURCE_BUNDLE, String key) {
        RESOURCE_BUNDLE = ResourceBundle.getBundle(BUNDLE_ROOT.concat(_RESOURCE_BUNDLE));
        int value = -1;
        try {
            value = Integer.parseInt(RESOURCE_BUNDLE.getString(key));
        } catch (Exception e) {
        }

        return value;
    }

}