taverna-provenanceconnector/src/main/java/org/apache/taverna/provenance/lineageservice/utils/DataValueExtractor.java

/*
 * 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.taverna.provenance.lineageservice.utils;

public interface DataValueExtractor {

	/**
	 * extracts a printable string from a more complex object. This is not the
	 * same as toString() as it is applied to an object, rather than being a
	 * method on the object itself
	 *
	 * @param complexContent
	 *            should really be a byte array FIXME
	 * @return
	 */
	public String extractString(Object complexContent);

}