michael@0: /**
michael@0:  * Copyright (c) 2012, Ben Fortuna
michael@0:  * All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  *
michael@0:  *  o Redistributions of source code must retain the above copyright
michael@0:  * notice, this list of conditions and the following disclaimer.
michael@0:  *
michael@0:  *  o Redistributions in binary form must reproduce the above copyright
michael@0:  * notice, this list of conditions and the following disclaimer in the
michael@0:  * documentation and/or other materials provided with the distribution.
michael@0:  *
michael@0:  *  o Neither the name of Ben Fortuna nor the names of any other contributors
michael@0:  * may be used to endorse or promote products derived from this software
michael@0:  * without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0:  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
michael@0:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  */
michael@0: package net.fortuna.ical4j.util;
michael@0: 
michael@0: import java.util.Properties;
michael@0: 
michael@0: import org.apache.commons.logging.Log;
michael@0: import org.apache.commons.logging.LogFactory;
michael@0: 
michael@0: /**
michael@0:  * $Id$
michael@0:  *
michael@0:  * Created on 06/02/2008
michael@0:  *
michael@0:  * Provides configuration properties specified either as system properties
michael@0:  * or in an ical4j.properties configuration file.
michael@0:  * @author Ben
michael@0:  *
michael@0:  */
michael@0: public final class Configurator {
michael@0: 
michael@0:     private static final Log LOG = LogFactory.getLog(Configurator.class);
michael@0:     
michael@0:     private static final Properties CONFIG = new Properties();
michael@0:     
michael@0:     static {
michael@0:         try {
michael@0:             CONFIG.load(ResourceLoader.getResourceAsStream("ical4j.properties"));
michael@0:         }
michael@0:         catch (Exception e) {
michael@0:             LOG.info("ical4j.properties not found.");
michael@0:         }
michael@0:     }
michael@0:     
michael@0:     /**
michael@0:      * Constructor made private to enforce static nature.
michael@0:      */
michael@0:     private Configurator() {
michael@0:     }
michael@0:     
michael@0:     /**
michael@0:      * @param key a compatibility hint key
michael@0:      * @return true if the specified compatibility hint is enabled, otherwise false
michael@0:      */
michael@0:     public static String getProperty(final String key) {
michael@0:         String property = CONFIG.getProperty(key);
michael@0:         if (property == null) {
michael@0:             property = System.getProperty(key);
michael@0:         }
michael@0:         return property;
michael@0:     }
michael@0: }