LocaleSetting.java

/*
 * Copyright (c) 2005-2011 Grameen Foundation USA
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * See also http://www.apache.org/licenses/LICENSE-2.0.html for an
 * explanation of the license and how it is applied.
 */

package org.mifos.config;

import java.text.DecimalFormat;
import java.util.Locale;

import org.mifos.config.business.MifosConfigurationManager;

public class LocaleSetting {

    public static final String DEFAULT_DIRECTION = "auto";
    public static final Integer DEFAULT_LAB_LEVEL = 0;

    private static final String COUNTRY_CODE = "Localization.CountryCode";
    private static final String LANGUAGE_CODE = "Localization.LanguageCode";
    private static final String DIRECTION = "Localization.Direction";
    private static final String LAB_LEVEL = "Localization.Lab.Level";

    private String countryCode;
    private String languageCode;
    private String direction;
    private Integer labLevel;

    public LocaleSetting(String languageCode, String countryCode) {
        this.countryCode = countryCode;
        this.languageCode = languageCode;
    }

    public LocaleSetting() {
        load();
    }

    public void clearCountryCode() {
        MifosConfigurationManager configMgr = MifosConfigurationManager.getInstance();
        configMgr.clearProperty(COUNTRY_CODE);
    }

    public void clearLanguageCode() {
        MifosConfigurationManager configMgr = MifosConfigurationManager.getInstance();
        configMgr.clearProperty(LANGUAGE_CODE);
    }

    public void clearDirection() {
        MifosConfigurationManager configMgr = MifosConfigurationManager.getInstance();
        configMgr.clearProperty(DIRECTION);
    }

    public void setCountryCodeToConfigFile() {
        MifosConfigurationManager configMgr = MifosConfigurationManager.getInstance();
        configMgr.addProperty(COUNTRY_CODE, countryCode);
    }

    public void setLanguageCodeToConfigFile() {
        MifosConfigurationManager configMgr = MifosConfigurationManager.getInstance();
        configMgr.addProperty(LANGUAGE_CODE, languageCode);
    }

    public void setDirectionToConfigFile() {
        MifosConfigurationManager configMgr = MifosConfigurationManager.getInstance();
        configMgr.addProperty(DIRECTION, direction);
    }

    private void load() {
        MifosConfigurationManager configMgr = MifosConfigurationManager.getInstance();
        if (configMgr.containsKey(COUNTRY_CODE)) {
            countryCode = configMgr.getString(COUNTRY_CODE);
        } else {
            throw new RuntimeException("The country code is not defined in the config file.");
        }
        if (configMgr.containsKey(LANGUAGE_CODE)) {
            languageCode = configMgr.getString(LANGUAGE_CODE);
        } else {
            throw new RuntimeException("The language code is not defined in the config file.");
        }
        direction = configMgr.getString(DIRECTION, DEFAULT_DIRECTION);
        setLabLevel(configMgr.getInteger(LAB_LEVEL, DEFAULT_LAB_LEVEL));
    }

    public String getCountryCode() {
        return countryCode;
    }

    public void setCountryCode(String countryCode) {
        this.countryCode = countryCode;
    }

    public String getLanguageCode() {
        return languageCode;
    }

    public void setLanguageCode(String languageCode) {
        this.languageCode = languageCode;
    }

    public Locale getLocale() {
        return new Locale(languageCode, countryCode);
    }

    public void setDirection(String direction) {
        this.direction = direction;
    }

    public String getDirection() {
        return direction;
    }

    public Integer getLabLevel() {
        return labLevel;
    }

    public void setLabLevel(Integer labLevel) {
        this.labLevel = labLevel;
    }

    public DecimalFormat getDecialFormat() {
    	DecimalFormat decimalFormat = (DecimalFormat)DecimalFormat.getInstance(getLocale());
    	if (decimalFormat == null) {
    		decimalFormat = (DecimalFormat)DecimalFormat.getInstance();
    	}
    	return decimalFormat;
    }
    
    public char getDecimalSeparator() {
    	DecimalFormat decimalFormat = getDecialFormat();
    	return decimalFormat.getDecimalFormatSymbols().getDecimalSeparator();
    }
    
    public char getGroupingSeparator() {
    	DecimalFormat decimalFormat =  getDecialFormat();
    	return decimalFormat.getDecimalFormatSymbols().getGroupingSeparator();
    }
    
    public int getGroupingSize() {
    	DecimalFormat decimalFormat = getDecialFormat();
    	return decimalFormat.getGroupingSize();
    }
}