1 /** 2 * Redistribution and use of this software and associated documentation 3 * ("Software"), with or without modification, are permitted provided 4 * that the following conditions are met: 5 * 6 * 1. Redistributions of source code must retain copyright 7 * statements and notices. Redistributions must also contain a 8 * copy of this document. 9 * 10 * 2. Redistributions in binary form must reproduce the 11 * above copyright notice, this list of conditions and the 12 * following disclaimer in the documentation and/or other 13 * materials provided with the distribution. 14 * 15 * 3. The name "Exolab" must not be used to endorse or promote 16 * products derived from this Software without prior written 17 * permission of Intalio, Inc. For written permission, 18 * please contact info@exolab.org. 19 * 20 * 4. Products derived from this Software may not be called "Exolab" 21 * nor may "Exolab" appear in their names without prior written 22 * permission of Intalio, Inc. Exolab is a registered 23 * trademark of Intalio, Inc. 24 * 25 * 5. Due credit should be given to the Exolab Project 26 * (http://www.exolab.org/). 27 * 28 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 32 * INTALIO, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 39 * OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Copyright 2003 (C) Intalio, Inc. All Rights Reserved. 42 * 43 * $Id$ 44 */ 45 46 47 package org.exolab.castor.mapping; 48 49 50 51 /** 52 * An abstract factory class for creating GeneralizedFieldHandlers. 53 * 54 * 55 * @author <a href="kvisco@intalio.com">Keith Visco</a> 56 * @version $Revision$ $Date: 2003-10-23 13:53:59 -0600 (Thu, 23 Oct 2003) $ 57 */ 58 public abstract class FieldHandlerFactory { 59 60 /** 61 * Returns an array of the supported Class types 62 * for this FieldHandlerFactory. The array may 63 * be empty, but must not be null. 64 * 65 * @return an array of supported Class types. 66 */ 67 public abstract Class[] getSupportedTypes(); 68 69 /** 70 * Returns true if the given Class type is supported by 71 * this FieldHandlerFactory. If the type is supported, 72 * a call to #createFieldHandler will return a valid 73 * FieldHandler. If the type is not supported, a call 74 * to createFieldHandler may return null or throw 75 * a MappingException. 76 * 77 * @param type the Class type to determine support for. 78 * 79 * @return true if the given Class type is supported. 80 */ 81 public abstract boolean isSupportedType(Class type); 82 83 /** 84 * Creates a GeneralizedFieldHandler for the given class type. 85 * The method should return a new GeneralizedFieldHandler as 86 * an "underlying" FieldHandler will need to be set by the 87 * caller. 88 * 89 * @param type the Class type to create the FieldHandler for. 90 */ 91 public abstract GeneralizedFieldHandler createFieldHandler(Class type) 92 throws MappingException; 93 94 95 96 } //-- FieldHandlerFactory 97 98 99