/*
 * Copyright 2007 The Apache Software Foundation.
 *
 *  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. 
 *
 */             
package com.r_bg.stax;

import javax.xml.stream.XMLStreamReader;

public interface StaxWatcher {
	/**
	 * Insert a C14n if needed
	 * @param reader
	 * @return a StreamFilter to be notified for the life of the element and all
	 * subelements.
	 */
	public StaxWorker watch(XMLStreamReader reader, StaxSignatureValidator sig);
}