de.perdoctus.ebikeconnect.gui.cdi.ConfigurationProducer.java Source code

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Here is the source code for de.perdoctus.ebikeconnect.gui.cdi.ConfigurationProducer.java

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package de.perdoctus.ebikeconnect.gui.cdi;

/*
 * #%L
 * ebikeconnect-gui
 * %%
 * Copyright (C) 2016 Christoph Giesche
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * #L%
 */

import org.apache.commons.configuration2.Configuration;
import org.apache.commons.configuration2.PropertiesConfiguration;
import org.apache.commons.configuration2.builder.FileBasedConfigurationBuilder;
import org.apache.commons.configuration2.builder.fluent.Configurations;
import org.slf4j.Logger;

import javax.enterprise.inject.Produces;
import javax.inject.Inject;
import java.io.File;
import java.io.IOException;

public class ConfigurationProducer {

    final File settingsPath = new File(System.getProperty("user.home") + File.separatorChar + "ebikeconnect-gui");

    @Inject
    private Logger logger;

    @Produces
    public Configuration createConfiguration() throws Exception {
        if (!settingsPath.exists() && !settingsPath.mkdirs()) {
            final IOException exception = new IOException(
                    "Could not create settings file in " + settingsPath.getAbsolutePath());
            logger.error(exception.getMessage(), exception);
            throw exception;
        }

        final File configFile = new File(settingsPath.getAbsolutePath() + File.separatorChar + "settings");
        if (!configFile.exists() && !configFile.createNewFile()) {
            final IOException exception = new IOException(
                    "Could not create settings file in " + configFile.getAbsolutePath());
            logger.error(exception.getMessage(), exception);
            throw exception;
        }

        final Configurations configurations = new Configurations();
        final FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configurations
                .propertiesBuilder(configFile);
        builder.setAutoSave(true);
        return builder.getConfiguration();

    }

}