org.jspare.core.config.CommonsConfigImpl.java Source code

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Here is the source code for org.jspare.core.config.CommonsConfigImpl.java

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/*
 * Copyright 2016 JSpare.org.
 *
 * 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.
 */
package org.jspare.core.config;

import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.lang.StringUtils;

import lombok.extern.slf4j.Slf4j;

@Slf4j
public class CommonsConfigImpl implements CommonsConfig {

    /** The Constant COMMON_FILE_TO_LOAD. */
    private static final String COMMON_FILE_TO_LOAD = "env/config.ini";

    /** The file to load. */
    private String fileToLoad;

    /** The configuration. */
    private Configuration configuration;

    /**
     * Instantiates a new commons config impl.
     */
    public CommonsConfigImpl() {

        loadFile(COMMON_FILE_TO_LOAD);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jspare.core.config.CommonsConfig#get(java.lang.String)
     */
    @Override
    public String get(String name) {

        return configuration.getString(name);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jspare.core.config.CommonsConfig#get(java.lang.String,
     * java.lang.Object)
     */
    @Override
    public String get(String name, Object defaultValue) {

        String result = configuration.getString(name);
        return StringUtils.isEmpty(result) ? defaultValue.toString() : result;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jspare.core.config.CommonsConfig#loadFile(java.lang.String)
     */
    @Override
    public void loadFile(String fileToLoad) {

        this.fileToLoad = fileToLoad;

        try {

            configuration = new PropertiesConfiguration(this.fileToLoad);
        } catch (ConfigurationException e) {

            configuration = new PropertiesConfiguration();
        }
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jspare.core.config.CommonsConfig#put(java.lang.String,
     * java.lang.String)
     */
    @Override
    public void put(String name, String value) {

        put(name, value, false);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jspare.core.config.CommonsConfig#put(java.lang.String,
     * java.lang.String, boolean)
     */
    @Override
    public void put(String name, String value, boolean overwrite) {

        if (!overwrite && configuration.containsKey(name)) {

            return;
        }
        configuration.setProperty(name, value);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jspare.core.config.CommonsConfig#remove(java.lang.String)
     */
    @Override
    public void remove(String name) {

        configuration.clearProperty(name);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jspare.core.config.CommonsConfig#store()
     */
    @Override
    public void store() {

        try {

            PropertiesConfiguration targetConfiguration = new PropertiesConfiguration(this.fileToLoad);
            configuration.getKeys()
                    .forEachRemaining(k -> targetConfiguration.setProperty(k, configuration.getProperties(k)));
            targetConfiguration.save();

        } catch (ConfigurationException e) {

            log.error("Error when trying to save a configuration [{}] - Message [{}]", this.fileToLoad,
                    e.getMessage());
        }
    }
}