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Posted to dev@commons.apache.org by rd...@apache.org on 2003/08/22 00:38:01 UTC
cvs commit: jakarta-commons/betwixt/src/java/org/apache/commons/betwixt/io/read BeanCreationChain.java
rdonkin 2003/08/21 15:38:01
Added: betwixt/src/java/org/apache/commons/betwixt/io/read
BeanCreationChain.java
Log:
Reafactored read bean creation into chain of independet creators. It can now be extended by users.
Revision Changes Path
1.1 jakarta-commons/betwixt/src/java/org/apache/commons/betwixt/io/read/BeanCreationChain.java
Index: BeanCreationChain.java
===================================================================
/*
* $Header: /home/cvs/jakarta-commons/betwixt/src/java/org/apache/commons/betwixt/io/read/BeanCreationChain.java,v 1.1 2003/08/21 22:38:01 rdonkin Exp $
* $Revision: 1.1 $
* $Date: 2003/08/21 22:38:01 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* $Id: BeanCreationChain.java,v 1.1 2003/08/21 22:38:01 rdonkin Exp $
*/
package org.apache.commons.betwixt.io.read;
/**
* A Chain of bean creators.
*
* @author Robert Burrell Donkin
* @version $Revision: 1.1 $
*/
public abstract class BeanCreationChain {
//-------------------------------------------------------- Class Methods
/**
* Creates the default <code>BeanCreationChain</code> used when reading beans.
* @return a <code>BeanCreationList</code> with the default creators loader in order, not null
*/
public static final BeanCreationChain createDefaultChain() {
// this delegates to the list but this is the canonical version
// the implementation may change later
return BeanCreationList.createStandardChain();
}
//-------------------------------------------------------- Instance Methods
/**
* Create a bean for the given mapping in the given context.
*
* @param elementMapping specifies the mapping between the type and element.
* <strong>Note</strong> it is recommended that classes do not store a permenant
* reference to this object since these objects may later be reused.
* Not null
* @param context the context in which this creation happens, not null
* @return the bean, possibly null
*/
public abstract Object create(ElementMapping elementMapping, ReadContext context);
}