org.rifidi.edge.api.service.appmanager.FilePropertyResolver.java Source code

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Here is the source code for org.rifidi.edge.api.service.appmanager.FilePropertyResolver.java

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/*******************************************************************************
 * Copyright (c) 2014 Transcends, LLC.
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU 
 * General Public License as published by the Free Software Foundation; either version 2 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 General Public License for more details. You 
 * should have received a copy of the GNU General Public License along with this program; if not, 
 * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 
 * USA. 
 * http://www.gnu.org/licenses/gpl-2.0.html
 *******************************************************************************/
package org.rifidi.edge.api.service.appmanager;

import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.Properties;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.config.PropertiesFactoryBean;
import org.springframework.core.io.UrlResource;

/**
 * Resolve the properties of an application using a file.
 * 
 * @author Kyle Neumeier - kyle@pramari.com
 * 
 */
public class FilePropertyResolver implements RifidiAppPropertyResolver {

    private static final Log logger = LogFactory.getLog(FilePropertyResolver.class);

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.rifidi.edge.api.service.appmanager.RifidiAppPropertyResolver
     * #reolveProperties(java.lang.String, java.lang.String)
     */
    @Override
    public Properties reolveProperties(String appGroup, String appName) {
        Properties retVal = new Properties();
        try {
            UrlResource groupResource = new UrlResource("file:" + System.getProperty("org.rifidi.home")
                    + File.separator + System.getProperty("org.rifidi.edge.applications") + File.separator
                    + appGroup + File.separator + appGroup + ".properties");
            UrlResource appResource = new UrlResource("file:" + System.getProperty("org.rifidi.home")
                    + File.separator + System.getProperty("org.rifidi.edge.applications") + File.separator
                    + appGroup + File.separator + appName + ".properties");

            try {
                retVal.putAll(getProperties(groupResource));
            } catch (IOException ex) {
                logger.debug(ex);
            }
            try {
                retVal.putAll(getProperties(appResource));
            } catch (IOException ex) {
                logger.debug(ex);
            }

        } catch (MalformedURLException ex) {
            logger.debug(ex);
        }
        return retVal;
    }

    private Properties getProperties(UrlResource resource) throws IOException {
        PropertiesFactoryBean appPropertiesFactoryBean = new PropertiesFactoryBean();
        appPropertiesFactoryBean.setLocation(resource);
        appPropertiesFactoryBean.afterPropertiesSet();
        return (Properties) appPropertiesFactoryBean.getObject();
    }
}