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.model;
michael@0: 
michael@0: import java.util.HashMap;
michael@0: import java.util.Map;
michael@0: 
michael@0: import net.fortuna.ical4j.util.CompatibilityHints;
michael@0: 
michael@0: /**
michael@0:  * $Id$
michael@0:  *
michael@0:  * Created on 28/01/2007
michael@0:  *
michael@0:  * Abstract implementation of a content factory.
michael@0:  * @author Ben Fortuna
michael@0:  */
michael@0: public abstract class AbstractContentFactory {
michael@0: 
michael@0:     /**
michael@0:      * Map of delegate factories.
michael@0:      */
michael@0:     private final Map defaultFactories;
michael@0: 
michael@0:     private final Map extendedFactories;
michael@0: 
michael@0:     /**
michael@0:      * Default constructor.
michael@0:      */
michael@0:     public AbstractContentFactory() {
michael@0:         defaultFactories = new HashMap();
michael@0:         extendedFactories = new HashMap();
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Register a standard content factory.
michael@0:      */
michael@0:     protected final void registerDefaultFactory(String key, Object factory) {
michael@0:         defaultFactories.put(key, factory);
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Register a non-standard content factory.
michael@0:      */
michael@0:     protected final void registerExtendedFactory(String key, Object factory) {
michael@0:         extendedFactories.put(key, factory);
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * @param key a factory key
michael@0:      * @return a factory associated with the specified key, giving preference to
michael@0:      * standard factories
michael@0:      */
michael@0:     protected final Object getFactory(String key) {
michael@0:         Object factory = defaultFactories.get(key);
michael@0:         if (factory == null) {
michael@0:             factory = extendedFactories.get(key);
michael@0:         }
michael@0:         return factory;
michael@0:     }
michael@0:     
michael@0:     /**
michael@0:      * @return true if non-standard names are allowed, otherwise false
michael@0:      */
michael@0:     protected boolean allowIllegalNames() {
michael@0:         return CompatibilityHints
michael@0:                 .isHintEnabled(CompatibilityHints.KEY_RELAXED_PARSING);
michael@0:     }
michael@0: }