package org.apache.maven.doxia.book;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache 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.apache.org/licenses/LICENSE-2.0

  *

  * 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.

  */

 import org.apache.maven.doxia.book.context.BookContext;

 import org.apache.maven.doxia.book.model.BookModel;

 import org.apache.maven.doxia.book.services.indexer.BookIndexer;

 import org.apache.maven.doxia.book.services.io.BookIo;

 import org.apache.maven.doxia.book.services.renderer.BookRenderer;

 import org.apache.maven.doxia.book.services.validation.BookValidator;

 import org.apache.maven.doxia.book.services.validation.ValidationResult;

 import org.codehaus.plexus.logging.AbstractLogEnabled;

 import java.io.File;

 import java.util.Collections;

 import java.util.List;

 import java.util.Locale;

 import java.util.Map;

 import java.util.Set;

 /**

  * Default implementation of BookDoxia.

  *

  * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>

  * @version $Id: DefaultBookDoxia.java 1090706 2011-04-09 23:15:28Z hboutemy $

  * @plexus.component

  */

 public class DefaultBookDoxia

     extends AbstractLogEnabled

     implements BookDoxia

 {

     /**

      * @plexus.requirement

      */

     private BookIo bookIo;

     /**

      * @plexus.requirement

      */

     private BookValidator bookValidator;

     /**

      * @plexus.requirement

      */

     private BookIndexer bookIndexer;

     /**

      * @plexus.requirement role="org.apache.maven.doxia.book.services.renderer.BookRenderer"

      */

     private Map<String, BookRenderer> bookRenderers;

     // ----------------------------------------------------------------------

     // BookDoxia Implementation

     // ----------------------------------------------------------------------

     /** {@inheritDoc} */

     public BookModel loadBook( File bookDescriptor )

         throws BookDoxiaException

     {

         return bookIo.readBook( bookDescriptor );

     }

     /** {@inheritDoc} */

     public void renderBook( BookModel book, String bookRendererId, List<File> files, File outputDirectory )

         throws BookDoxiaException

     {

         renderBook( book, bookRendererId, files, outputDirectory, Locale.getDefault(), "UTF-8", "UTF-8" );

     }

     /** {@inheritDoc} */

     public void renderBook( BookModel book, String bookRendererId, List<File> files, File outputDirectory,

                             Locale locale, String inputEncoding, String outputEncoding )

         throws BookDoxiaException

     {

         // ----------------------------------------------------------------------

         //

         // ----------------------------------------------------------------------

         ValidationResult validationResult = bookValidator.validateBook( book );

         if ( !validationResult.isAllOk() )

         {

             throw new InvalidBookDescriptorException( validationResult );

         }

         // ----------------------------------------------------------------------

         // Create and initialize the context

         // ----------------------------------------------------------------------

         BookContext context = new BookContext();

         context.setBook( book );

         context.setOutputDirectory( outputDirectory );

         context.setLocale( locale );

         context.setInputEncoding( inputEncoding );

         context.setOutputEncoding( outputEncoding );

         // -----------------------------------------------------------------------

         //

         // -----------------------------------------------------------------------

         bookIo.loadFiles( context, files );

         // ----------------------------------------------------------------------

         // Generate indexes

         // ----------------------------------------------------------------------

         bookIndexer.indexBook( book, context );

         // ----------------------------------------------------------------------

         // Render the book

         // ----------------------------------------------------------------------

         BookRenderer bookRenderer = bookRenderers.get( bookRendererId );

         if ( bookRenderer == null )

         {

             throw new BookDoxiaException( "No such book renderer '" + bookRendererId + "'." );

         }

         bookRenderer.renderBook( context );

     }

     /**

      * Returns a Set of ids of the BookRenderers that are available in this BookDoxia.

      *

      * @return Set

      */

     public Set<String> getAvailableBookRenderers()

     {

         return Collections.unmodifiableSet( bookRenderers.keySet() );

     }

 }