com.runwaysdk.configuration.CommonsConfigurationReader.java Source code

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Here is the source code for com.runwaysdk.configuration.CommonsConfigurationReader.java

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/**
 * Copyright (c) 2015 TerraFrame, Inc. All rights reserved.
 *
 * This file is part of Runway SDK(tm).
 *
 * Runway SDK(tm) 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.
 *
 * Runway SDK(tm) 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 Runway SDK(tm).  If not, see <http://www.gnu.org/licenses/>.
 */
/**
 * 
 */
package com.runwaysdk.configuration;

import java.net.URL;

import org.apache.commons.configuration.CompositeConfiguration;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.configuration.event.ConfigurationEvent;
import org.apache.commons.configuration.event.ConfigurationListener;

import com.runwaysdk.configuration.ConfigurationManager.ConfigGroupIF;

/*******************************************************************************
 * Copyright (c) 2013 TerraFrame, Inc. All rights reserved. 
 * 
 * This file is part of Runway SDK(tm).
 * 
 * Runway SDK(tm) 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.
 * 
 * Runway SDK(tm) 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 Runway SDK(tm).  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
public class CommonsConfigurationReader extends AbstractConfigurationReader
        implements ConfigurationReaderIF, ConfigurationListener {
    private CompositeConfiguration cconfig;
    private Configuration interpolated;

    public CommonsConfigurationReader(ConfigGroupIF group, String config, CompositeConfiguration _cconfig) {
        this.cconfig = _cconfig;

        try {
            String path = group.getPath() + config;
            ClassLoader loader = CommonsConfigurationReader.class.getClassLoader();
            URL clPath = loader.getResource(path);

            if (clPath == null) {
                throw new RunwayConfigurationException(
                        "The configuration resource [" + path + "] does not exist on the classpath.");
            }

            cconfig.addConfiguration(new PropertiesConfiguration(clPath));
            interpolate();
            CommonsConfigurationResolver.getInMemoryConfigurator().addInterpolateDependency(this);
        } catch (ConfigurationException e) {
            throw new RunwayConfigurationException(e);
        }
    }

    //  public CommonsConfigurationReader(ConfigGroupIF group, String config) {
    //    try
    //    {
    //      String path = group.getPath() + config;
    //      ClassLoader loader = CommonsConfigurationReader.class.getClassLoader();
    //      URL clPath = loader.getResource(path);
    //      
    //      if (clPath == null) {
    //        throw new RunwayConfigurationException("The configuration resource [" + path + "] does not exist on the classpath.");
    //      }
    //      
    //      cconfig = new CompositeConfiguration();
    //      cconfig.addConfiguration(ConfigurationManager.getInMemoryConfigurator().getImpl());
    //      cconfig.addConfiguration(new PropertiesConfiguration(clPath));
    //      interpolate();
    //      ConfigurationManager.getInMemoryConfigurator().addInterpolateDependency(this);
    //    }
    //    catch (ConfigurationException e)
    //    {
    //      throw new RunwayConfigurationException(e);
    //    }
    //  }

    //  public CommonsConfigurationReader(String config) {
    //    this(ConfigGroup.ROOT, config);
    //  }

    /**
     * @see com.runwaysdk.configuration.ConfigurationReaderIF#getString(java.lang.String)
     */
    @Override
    public String getString(String key) {
        return interpolated.getString(key, null);
    }

    /**
     * @see com.runwaysdk.configuration.ConfigurationReaderIF#getBoolean(java.lang.String)
     */
    @Override
    public Boolean getBoolean(String key) {
        return interpolated.getBoolean(key, null);
    }

    /**
     * @see com.runwaysdk.configuration.ConfigurationReaderIF#getInteger(java.lang.String)
     */
    @Override
    public Integer getInteger(String key) {
        return interpolated.getInteger(key, null);
    }

    /**
     * @see com.runwaysdk.configuration.ConfigurationReaderIF#getString(java.lang.String, java.lang.String)
     */
    @Override
    public String getString(String key, String defaultValue) {
        return interpolated.getString(key, defaultValue);
    }

    /**
     * @see com.runwaysdk.configuration.ConfigurationReaderIF#getBoolean(java.lang.String, java.lang.Boolean)
     */
    @Override
    public Boolean getBoolean(String key, Boolean defaultValue) {
        return interpolated.getBoolean(key, defaultValue);
    }

    /**
     * @see com.runwaysdk.configuration.ConfigurationReaderIF#getInteger(java.lang.String, java.lang.Integer)
     */
    @Override
    public Integer getInteger(String key, Integer defaultValue) {
        return interpolated.getInteger(key, defaultValue);
    }

    /**
     * Sets the property on the underlying configuration. You must call interpolate after doing this to see the new value.
     */
    @Override
    public void setProperty(String key, Object value) {
        cconfig.setProperty(key, value);
    }

    public void interpolate() {
        interpolated = cconfig.interpolatedConfiguration();
    }

    /**
     * @see org.apache.commons.configuration.event.ConfigurationListener#configurationChanged(org.apache.commons.configuration.event.ConfigurationEvent)
     */
    @Override
    public void configurationChanged(ConfigurationEvent event) {
        //    if (!event.isBeforeUpdate()) {
        //      this.config = ((CompositeConfiguration) this.config).interpolatedConfiguration();
        //    }
    }

    @Override
    public Long getLong(String key) {
        return interpolated.getLong(key, null);
    }

    @Override
    public Long getLong(String key, Long defaultVaule) {
        return interpolated.getLong(key, defaultVaule);
    }

    @Override
    public Float getFloat(String key) {
        return interpolated.getFloat(key, null);
    }

    @Override
    public Float getFloat(String key, Float defaultValue) {
        return interpolated.getFloat(key, defaultValue);
    }
}