it.attocchi.web.config.SoftwareProperties.java Source code

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Here is the source code for it.attocchi.web.config.SoftwareProperties.java

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/*
Copyright (c) 2012,2013 Mirco Attocchi
       
This file is part of WebAppCommon.
    
WebAppCommon is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
WebAppCommon 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 Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public License
along with WebAppCommon.  If not, see <http://www.gnu.org/licenses/>.
*/

package it.attocchi.web.config;

import it.attocchi.utils.PropertiesUtils;

import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import javax.servlet.ServletContext;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;

public class SoftwareProperties {

    protected static final Logger logger = Logger.getLogger(SoftwareProperties.class.getName());

    public static final String WEB_INF_CONFIG_PROPERTIES = "/WEB-INF/software.properties";
    // public static final String PU_NAME = "AtreeFLOW-WS";
    public static final String PU_NAME = "DEFAULT_PU";

    public static final String PROPERTY_connString = "connString";
    public static final String PROPERTY_driverClass = "driverClass";
    public static final String PROPERTY_userName = "userName";
    public static final String PROPERTY_password = "password";

    private static Properties properties;

    public static Properties getProperties() {
        return properties;
    }

    public static void setProperties(Properties properties) {
        SoftwareProperties.properties = properties;
    }

    private static Map<String, String> jpaDbProps;

    public static Map<String, String> getJpaDbProps() {
        return jpaDbProps;
    }

    public static void setJpaDbProps(Map<String, String> dbProps) {
        SoftwareProperties.jpaDbProps = dbProps;
    }

    /**
     * Inizializza i Valori della BL e della PersistenceUnit
     */
    public static void init(ServletContext servletContext) {

        if (jpaDbProps == null) {

            InputStream fileProperties = servletContext.getResourceAsStream(WEB_INF_CONFIG_PROPERTIES);
            if (fileProperties != null) {

                logger.warn("Loading " + WEB_INF_CONFIG_PROPERTIES);
                properties = PropertiesUtils.getProperties(fileProperties);

                if (properties != null) {

                    // RapportoServerBL.connString =
                    // properties.getProperty("connString");
                    // RapportoServerBL.driverClass =
                    // properties.getProperty("driverClass");
                    // RapportoServerBL.userName =
                    // properties.getProperty("userName");
                    // RapportoServerBL.password =
                    // properties.getProperty("password");

                    connString = StringUtils.trim(properties.getProperty(PROPERTY_connString));
                    driverClass = StringUtils.trim(properties.getProperty(PROPERTY_driverClass));
                    userName = StringUtils.trim(properties.getProperty(PROPERTY_userName));
                    password = StringUtils.trim(properties.getProperty(PROPERTY_password));

                    jpaDbProps = new HashMap<String, String>();

                    jpaDbProps.put("javax.persistence.jdbc.url", connString);
                    jpaDbProps.put("javax.persistence.jdbc.driver", driverClass);
                    jpaDbProps.put("javax.persistence.jdbc.user", userName);
                    jpaDbProps.put("javax.persistence.jdbc.password", password);

                    /*
                     * Se uno dei Parametri da File e' nullo annullo tutti gli
                     * oggetti
                     */
                    if (StringUtils.isEmpty(connString) || StringUtils.isEmpty(driverClass)) {
                        properties = null;
                        jpaDbProps = null;

                        logger.warn("SoftwareConfig loaded but Empty Database Configuration");
                    }
                }
            }
        } else {
            logger.warn("SoftwareConfig already inizialized");
        }
    }

    public static String connString;
    public static String driverClass;
    public static String userName;
    public static String password;
}