PostStrategy.java

//$HeadURL$
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 - Department of Geography, University of Bonn -
 and
 - lat/lon GmbH -

 This library is free software; you can redistribute it and/or modify it under
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package org.deegree.securityproxy.authentication.wass;

import java.io.InputStream;
import java.io.OutputStream;

import javax.xml.stream.XMLStreamException;

/**
 * implementations decides where the parameter is append in the POST body of the request.
 * 
 * @author <a href="mailto:goltz@lat-lon.de">Lyn Goltz</a>
 * @author last edited by: $Author: lyn $
 * 
 * @version $Revision: $, $Date: $
 */
public interface PostStrategy {

    /**
     * Modifies the incoming request and writes it in in the output stream.
     * 
     * @param originalStream
     *            contains the incoming xml, never <code>null</code>
     * @param modifiedStream
     *            stream to write the modified xml in, never <code>null</code>
     * @param parameterValue
     *            used to append in the incoming xml, may be <code>null</code> (implementations specifies what to do)
     * @throws XMLStreamException
     *             - modification failed
     */
    void modifyPostRequest( InputStream originalStream, OutputStream modifiedStream, String parameterValue )
                            throws XMLStreamException;

}