org.pmedv.core.provider.ApplicationWindowConfigurationProviderImpl.java Source code

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Here is the source code for org.pmedv.core.provider.ApplicationWindowConfigurationProviderImpl.java

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/**
    
   BlackBoard BreadBoard Designer
   Written and maintained by Matthias Pueski 
       
   Copyright (c) 2010-2011 Matthias Pueski
       
   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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
    
 */
package org.pmedv.core.provider;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Properties;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pmedv.core.beans.ApplicationWindowConfiguration;
import org.pmedv.core.context.AppContext;

public class ApplicationWindowConfigurationProviderImpl implements ApplicationWindowConfigurationProvider {

    private static final Log log = LogFactory.getLog(ApplicationWindowConfigurationProviderImpl.class);

    private ApplicationWindowConfiguration config;

    public ApplicationWindowConfiguration getConfig() {
        return config;
    }

    public ApplicationWindowConfigurationProviderImpl() {

        try {

            InputStream is = Thread.currentThread().getContextClassLoader()
                    .getResourceAsStream("application.properties");

            Properties p = new Properties();
            p.load(is);

            String inputDir = System.getProperty("user.home") + "/." + p.getProperty("app.name") + "/";
            String inputFile = "appWindowConfig.xml";

            JAXBContext c = JAXBContext.newInstance(ApplicationWindowConfiguration.class);
            Unmarshaller u = c.createUnmarshaller();

            ApplicationWindowConfiguration appWindowConfig = (ApplicationWindowConfiguration) u
                    .unmarshal(new FileInputStream(new File(inputDir + inputFile)));

            config = appWindowConfig;
        } catch (JAXBException e) {
            e.printStackTrace();
            log.error("could not deserialize application window configuration.");
            throw new RuntimeException("could not deserialize application window configuration.");
        } catch (Exception e) {
            e.printStackTrace();
            log.error("could not load application window configuration, creating new.");

            ApplicationWindowConfiguration c = new ApplicationWindowConfiguration();
            config = c;

        }
    }

    @Override
    public void storeConfig() {

        Marshaller m;

        try {
            String outputDir = System.getProperty("user.home") + "/." + AppContext.getName() + "/";
            String outputFileName = "appWindowConfig.xml";
            m = JAXBContext.newInstance(ApplicationWindowConfiguration.class).createMarshaller();
            File output = new File(outputDir + outputFileName);
            m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
            m.marshal(getConfig(), output);
        } catch (JAXBException e) {
            log.error("Could not write application window configuration.");
        }

    }

}