/**

  * Copyright 2005-2011 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.kew.api.document;

 import org.kuali.rice.core.api.CoreConstants;

 import org.kuali.rice.core.api.mo.AbstractDataTransferObject;

 import org.w3c.dom.Element;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlAnyElement;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlRootElement;

 import javax.xml.bind.annotation.XmlType;

 import java.util.Collection;

 /**

  * Immutable implementation of the {@code DocumentWithContentContract}.  This class does not have a builder since it is

  * intended to simply be a wrapper a document and it's content.

  *

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

  */

 @XmlRootElement(name = DocumentWithContent.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

 @XmlType(name = DocumentWithContent.Constants.TYPE_NAME, propOrder = {

     DocumentWithContent.Elements.DOCUMENT,

     DocumentWithContent.Elements.DOCUMENT_CONTENT,

     CoreConstants.CommonElements.FUTURE_ELEMENTS

 })

 public final class DocumentWithContent extends AbstractDataTransferObject implements DocumentWithContentContract {

     @XmlElement(name = Elements.DOCUMENT, required = true)

     private final Document document;

     @XmlElement(name = Elements.DOCUMENT_CONTENT, required = true)

     private final DocumentContent documentContent;

     @SuppressWarnings("unused")

     @XmlAnyElement

     private final Collection<Element> _futureElements = null;

     /**

      * Private constructor used only by JAXB.

      */

     private DocumentWithContent() {

         this.document = null;

         this.documentContent = null;

     }

     private DocumentWithContent(Document document, DocumentContent documentContent) {

         if (document == null) {

             throw new IllegalArgumentException("document was null");

         }

         if (documentContent == null) {

             throw new IllegalArgumentException("documentContent was null");

         }

         this.document = document;

         this.documentContent = documentContent;

     }

     public static DocumentWithContent create(Document document, DocumentContent documentContent) {

         return new DocumentWithContent(document, documentContent);

     }

     @Override

     public Document getDocument() {

         return this.document;

     }

     @Override

     public DocumentContent getDocumentContent() {

         return this.documentContent;

     }

     /**

      * Defines some internal constants used on this class.

      */

     static class Constants {

         final static String ROOT_ELEMENT_NAME = "documentWithContent";

         final static String TYPE_NAME = "DocumentWithContentType";

     }

     /**

      * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.

      */

     static class Elements {

         final static String DOCUMENT = "document";

         final static String DOCUMENT_CONTENT = "documentContent";

     }

 }