/*
    * Portions of this software was developed by employees of the National Institute
    * of Standards and Technology (NIST), an agency of the Federal Government and is
    * being made available as a public service. Pursuant to title 17 United States
    * Code Section 105, works of NIST employees are not subject to copyright
    * protection in the United States. This software may be subject to foreign
    * copyright. Permission in the United States and in foreign countries, to the
    * extent that NIST may hold copyright, to use, copy, modify, create derivative
    * works, and distribute this software and its documentation without fee is hereby
   * granted on a non-exclusive basis, provided that this notice and disclaimer
   * of warranty appears in all copies.
   *
   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
   */
  
  package gov.nist.secauto.metaschema.core.datatype.markup;
  
  import com.fasterxml.jackson.core.JsonGenerator;
  import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatTypes;
  
  import gov.nist.secauto.metaschema.core.datatype.AbstractCustomJavaDataTypeAdapter;
  import gov.nist.secauto.metaschema.core.metapath.item.atomic.IMarkupItem;
  import gov.nist.secauto.metaschema.core.util.ObjectUtils;
  
  import org.codehaus.stax2.XMLStreamWriter2;
  import org.codehaus.stax2.evt.XMLEventFactory2;
  
  import java.io.IOException;
  
  import javax.xml.namespace.QName;
  import javax.xml.stream.XMLEventWriter;
  import javax.xml.stream.XMLStreamException;
  import javax.xml.stream.events.StartElement;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  public abstract class AbstractMarkupAdapter<TYPE extends IMarkupString<TYPE>>
      extends AbstractCustomJavaDataTypeAdapter<TYPE, IMarkupItem> {
  
    /**
     * Construct a new adapter.
     *
     * @param clazz
     *          the markup type class
     */
    protected AbstractMarkupAdapter(@NonNull Class<TYPE> clazz) {
      super(clazz);
    }
  
    @Override
    public JsonFormatTypes getJsonRawType() {
      return JsonFormatTypes.STRING;
    }
  
    @Override
    public boolean isXmlMixed() {
      return true;
    }
  
    // TODO: verify that read/write methods cannot be generalized in the base class
    @Override
    public void writeXmlValue(
        Object value,
        StartElement parent,
        XMLEventFactory2 eventFactory,
        XMLEventWriter eventWriter)
        throws XMLStreamException {
  
      IMarkupString<?> markupString = (IMarkupString<?>) value;
  
      markupString.writeXHtml(
          ObjectUtils.notNull(parent.getName().getNamespaceURI()),
          eventFactory,
          eventWriter);
    }
  
    @Override
    public void writeXmlValue(Object value, QName parentName, XMLStreamWriter2 streamWriter)
        throws XMLStreamException {
      IMarkupString<?> markupString = (IMarkupString<?>) value;
  
      markupString.writeXHtml(
          ObjectUtils.notNull(parentName.getNamespaceURI()),
          streamWriter);
    }
  
    @Override
    public void writeJsonValue(Object value, JsonGenerator generator) throws IOException {
 
     IMarkupString<?> markupString;
     try {
       markupString = (IMarkupString<?>) value;
     } catch (ClassCastException ex) {
       throw new IOException(ex);
     }
 
     generator.writeString(markupString.toMarkdown().trim());
   }
 }