/*

  * To change this template, choose Tools | Templates

  * and open the template in the editor.

  */

 package cz.xelfi.quoridor.webidor;

 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);

         }

     }

 }