/**

  * Distribution License:

  * JSword is free software; you can redistribute it and/or modify it under

  * the terms of the GNU Lesser General Public License, version 2.1 or later

  * as published by the Free Software Foundation. This program is distributed

  * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even

  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  * See the GNU Lesser General Public License for more details.

  *

  * The License is available on the internet at:

  *      http://www.gnu.org/copyleft/lgpl.html

  * or by writing to:

  *      Free Software Foundation, Inc.

  *      59 Temple Place - Suite 330

  *      Boston, MA 02111-1307, USA

  *

  * © CrossWire Bible Society, 2005 - 2016

  *

  */

 package org.crosswire.jsword.book.filter.thml;

 import org.crosswire.jsword.book.Book;

 import org.crosswire.jsword.book.DataPolice;

 import org.crosswire.jsword.book.OSISUtil;

 import org.crosswire.jsword.passage.Key;

 import org.crosswire.jsword.passage.KeyUtil;

 import org.crosswire.jsword.passage.NoSuchKeyException;

 import org.crosswire.jsword.passage.Passage;

 import org.crosswire.jsword.passage.PassageKeyFactory;

 import org.jdom2.Element;

 import org.xml.sax.Attributes;

 /**

  * THML Tag to process the scripRef element.

  * 

  * @see gnu.lgpl.License The GNU Lesser General Public License for details.

  * @author Joe Walker

  */

 public class ScripRefTag extends AbstractTag {

     /* (non-Javadoc)

      * @see org.crosswire.jsword.book.filter.thml.Tag#getTagName()

      */

     public String getTagName() {

         return "scripRef";

     }

     @Override

     public Element processTag(Book book, Key key, Element ele, Attributes attrs) {

         Element reference = null;

         String refstr = attrs.getValue("passage");

         if (refstr != null) {

             Passage ref = null;

             try {

                 ref = PassageKeyFactory.instance().getKey(KeyUtil.getVersification(key), refstr, key);

             } catch (NoSuchKeyException ex) {

                 DataPolice.report(book, key, "Unparsable passage: (" + refstr + ") due to " + ex.getMessage());

             }

             // If we don't have a Passage then use the original string

             String osisname = ref != null ? ref.getOsisRef() : refstr;

             reference = OSISUtil.factory().createReference();

             reference.setAttribute(OSISUtil.OSIS_ATTR_REF, osisname);

         } else {

             // The reference will be filled in by processContent

             reference = OSISUtil.factory().createReference();

         }

         if (ele != null) {

             ele.addContent(reference);

         }

         return reference;

     }

     @Override

     public void processContent(Book book, Key key, Element ele) {

         String refstr = ele.getValue();

         try {

             if (ele.getAttribute(OSISUtil.OSIS_ATTR_REF) == null) {

                 Passage ref = PassageKeyFactory.instance().getKey(KeyUtil.getVersification(key), refstr, key);

                 String osisname = ref.getOsisRef();

                 ele.setAttribute(OSISUtil.OSIS_ATTR_REF, osisname);

             }

         } catch (NoSuchKeyException ex) {

             DataPolice.report(book, key, "scripRef has no passage attribute, unable to guess: (" + refstr + ") due to " + ex.getMessage());

         }

     }

 }