xmlattributecoder.java

一个工作流设计及定义的系统,可以直接与数据库结合进行系统工作流程的定义及应用.

/*
 * Copyright (c) 2005, John Mettraux, OpenWFE.org
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 * . Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.  
 * 
 * . 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.
 * 
 * . Neither the name of the "OpenWFE" nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS 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 COPYRIGHT OWNER OR 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.
 *
 * $Id: XmlAttributeCoder.java,v 1.3 2005/05/17 16:40:28 jmettraux Exp $
 */

//
// XmlAttributeCoder.java
//
// [e-mail]
//
// generated with 
// jtmpl 1.0.04 31.10.2002 John Mettraux ([e-mail])
//

package openwfe.org.engine.impl.workitem.xml;

import openwfe.org.xml.XmlUtils;
import openwfe.org.engine.workitem.Attribute;
import openwfe.org.engine.workitem.XmlAttribute;
import openwfe.org.engine.workitem.CodingException;
import openwfe.org.engine.workitem.WorkItemCoder;


/**
 * {en|de}coding an XML attribute (an attribute containing raw XML 
 * (as a JDOM element)).
 *
 * <p><font size=2>CVS Info :
 * <br>$Author: jmettraux $
 * <br>$Date: 2005/05/17 16:40:28 $
 * <br>$Id: XmlAttributeCoder.java,v 1.3 2005/05/17 16:40:28 jmettraux Exp $ </font>
 *
 * @author [e-mail]
 */
public class XmlAttributeCoder

    extends AbstractXmlAttributeCoder

{

    private final static org.apache.log4j.Logger log = 
        org.apache.log4j.Logger.getLogger(XmlAttributeCoder.class.getName());

    //
    // FIELDS

    //
    // CONSTRUCTORS

    //
    // METHODS

    //
    // METHODS from AttributeCoder

    public Object encode (final Attribute a, final java.util.Map args)
        throws CodingException
    {
        final org.jdom.Element elt = 
            new org.jdom.Element(getRepresentationName());

        //elt.addContent((String)((StringAttribute)a).getValue());
        
        /*
        final org.jdom.CDATA content = 
            new org.jdom.CDATA(((XmlAttribute)a).toString());

        elt.addContent(content);
        */

        final org.jdom.Element content = ((XmlAttribute)a).getContent();
        content.detach();

        elt.addContent(content);

        //log.debug("encode() result :\n"+XmlUtils.toString(elt));
        elt.detach();
        
        return elt;
    }

    public Attribute decode (final Object o, final java.util.Map args) 
        throws CodingException
    {
        org.jdom.Element elt = WicUtils
            .enforceElement(o, getRepresentationName());

        //log.debug("decode() elt :\n"+XmlUtils.toString(elt));

        if (elt.getChildren().size() < 1)
            elt = null;
        else
            elt = (org.jdom.Element)elt.getChildren().get(0);

        elt.detach();

        return new XmlAttribute(elt);
    }

}