/*

  * Copyright 2005-2007 The Kuali Foundation

  * 

  * 

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  * 

  * http://www.opensource.org/licenses/ecl2.php

  * 

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.core.util;

 import java.util.Date;

 import org.jdom.CDATA;

 import org.jdom.Element;

 import org.jdom.Namespace;

 /**

  * A helper class which helps with building the XML for objects.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class XmlRenderer {

     private Namespace namespace;

     public XmlRenderer() {}

     public XmlRenderer(Namespace namespace) {

         this.namespace = namespace;

     }

     public Element renderElement(Element parent, String elementName) {

         Element element = new Element(elementName, namespace);

         if (parent != null) {

             parent.addContent(element);

         }

         return element;

     }

     public Element renderTextElement(Element parent, String elementName, String text) {

         Element element = null;

         if (text != null) {

             element = renderElement(parent, elementName);

             element.setText(text);

         }

         return element;

     }

     public Element renderBooleanElement(Element parent, String elementName, Boolean bool, boolean defaultValue) {

         if (bool == null) {

             bool = new Boolean(defaultValue);

         }

         return renderTextElement(parent, elementName, (bool.booleanValue() ? "true" : "false"));   

     }

     public Element renderDateElement(Element parent, String elementName, Date date) {

         Element element = null;

         if (date != null) {

             element = renderTextElement(parent, elementName, RiceConstants.getDefaultDateFormat().format(date));

         }

         return element;

     }

     public void renderAttribute(Element element, String attributeName, String attributeValue) {

         element.setAttribute(attributeName, attributeValue);

     }

     public Element renderCDATAElement(Element parent, String elementName, String data) {

             Element element = null;

         if (data != null) {

             element = renderElement(parent, elementName);

             element.addContent(new CDATA(data));

         }

         return element;

     }

 }