/*

  * Quoridor server and related libraries

  * Copyright (C) 2009-2010 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, either version 3 of the License.

  *

  * 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 General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://www.gnu.org/licenses/.

  */

 package cz.xelfi.quoridor.freemarkerdor;

 import java.io.IOException;

 import java.io.InputStream;

 import java.lang.annotation.Annotation;

 import java.lang.reflect.Type;

 import javax.ws.rs.Consumes;

 import javax.ws.rs.WebApplicationException;

 import javax.ws.rs.core.MediaType;

 import javax.ws.rs.core.MultivaluedMap;

 import javax.ws.rs.ext.Provider;

 import javax.xml.parsers.DocumentBuilder;

 import javax.xml.parsers.DocumentBuilderFactory;

 import javax.xml.parsers.ParserConfigurationException;

 import org.w3c.dom.Document;

 import org.xml.sax.SAXException;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 @Provider

 @Consumes(MediaType.TEXT_XML)

 public class W3CDocumentReader implements javax.ws.rs.ext.MessageBodyReader<Document> {

     public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {

         return type == Document.class;

     }

     public Document readFrom(Class<Document> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException {

         try {

             DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

             DocumentBuilder builder = factory.newDocumentBuilder();

             return builder.parse(entityStream);

         } catch (ParserConfigurationException ex) {

             throw new WebApplicationException(ex);

         } catch (SAXException ex) {

             throw new WebApplicationException(ex);

         }

     }

 }