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/*
 *  @product.title@
 *  Copyright (C) @product.copyright-year@
 *    @product.vendor@
 *    Registration Number: @product.registration-number@
 *
 * 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, or
 * (at your option) any later version.
 *
 * 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.  If not, see <http://www.gnu.org/licenses/>.
 */

package jp.go.aist.six.util.net;

import java.io.File;
import java.io.IOException;
import jp.go.aist.six.util.IoUtil;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.client.ClientHttpRequest;
import org.springframework.web.client.RequestCallback;



/**
 *
 * @author  Akihito Nakamura, AIST
 * @version $Id: XmlFileRequestCallback.java 1235 2011-02-07 10:57:22Z nakamura5akihito $
 */
public class FileRequestCallback
    implements RequestCallback
{

    /**
     * The file from which the HTTP request body is read.
     */
    private File  _file;


    private MediaType  _mediaType;



    /**
     * Constructor.
     */
    protected FileRequestCallback()
    {
    }


    public FileRequestCallback(
                    final File file,
                    final MediaType  mediaType
                    )
    {
        _file = file;
        _mediaType = mediaType;
    }



    //**************************************************************
    //  RequestCallback
    //**************************************************************

    @Override
    public void doWithRequest(
                    final ClientHttpRequest request
                    )
    throws IOException
    {
        HttpHeaders  headers = request.getHeaders();
        headers.setContentType( _mediaType );

        long  size = IoUtil.readFrom( request.getBody(), _file );
        headers.setContentLength( size );
    }

}
// FileRequestCallback

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