/*

  * 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.

  */

 package org.apache.jackrabbit.webdav.client.methods;

 import org.slf4j.Logger;

 import org.slf4j.LoggerFactory;

 import org.apache.commons.httpclient.methods.RequestEntity;

 import org.apache.commons.httpclient.methods.StringRequestEntity;

 import org.w3c.dom.Document;

 import java.io.OutputStream;

 import java.io.IOException;

 import java.io.ByteArrayOutputStream;

 import javax.xml.transform.OutputKeys;

 import javax.xml.transform.Transformer;

 import javax.xml.transform.TransformerException;

 import javax.xml.transform.TransformerFactory;

 import javax.xml.transform.dom.DOMSource;

 import javax.xml.transform.stream.StreamResult;

 /**

  * <code>XmlRequestEntity</code>...

  */

 public class XmlRequestEntity implements RequestEntity

 {

     private static Logger log = LoggerFactory.getLogger( XmlRequestEntity.class );

     private final RequestEntity delegatee;

     public XmlRequestEntity( Document xmlDocument ) throws IOException

     {

         super();

         ByteArrayOutputStream out = new ByteArrayOutputStream();

         try

         {

             TransformerFactory factory = TransformerFactory.newInstance();

             Transformer transformer = factory.newTransformer();

             transformer.setOutputProperty( OutputKeys.METHOD, "xml" );

             transformer.setOutputProperty( OutputKeys.ENCODING, "UTF-8" );

             transformer.setOutputProperty( OutputKeys.INDENT, "no" );

             transformer.transform( new DOMSource( xmlDocument ), new StreamResult( out ) );

         }

         catch ( TransformerException e )

         {

             log.error( "XML serialization failed", e );

             IOException exception = new IOException( "XML serialization failed" );

             exception.initCause( e );

             throw exception;

         }

         delegatee = new StringRequestEntity( out.toString(), "text/xml", "UTF-8" );

     }

     public boolean isRepeatable()

     {

         return delegatee.isRepeatable();

     }

     public String getContentType()

     {

         return delegatee.getContentType();

     }

     public void writeRequest( OutputStream out ) throws IOException

     {

         delegatee.writeRequest( out );

     }

     public long getContentLength()

     {

         return delegatee.getContentLength();

     }

 }