/*
* Copyright 2008 Federal Chancellery Austria and
* Graz University of Technology
*
* Licensed 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.
*/
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package at.gv.egiz.slbinding;

import java.io.ByteArrayOutputStream;
import javax.xml.stream.XMLStreamException;

/**
 * 
 * The beforeUnmarshal(Unmarshaller um, Object parent) methods don't allow to pass the RedirectEventFilter,
 * so we implement a callback interface common to all generated classes
 * @author clemens
 */
public interface RedirectCallback {

    void enableRedirect(RedirectEventFilter filter) throws XMLStreamException;

    void disableRedirect(RedirectEventFilter filter) throws XMLStreamException;

    /**
     * @return the redirected stream or null if enableRedirect() was not called before
     */
    ByteArrayOutputStream getRedirectedStream();
}