/*
 * $Header: /home/cvspublic/jakarta-slide/src/share/org/apache/slide/extractor/PropertyExtractor.java,v 1.2 2004/07/28 09:36:01 ib Exp $
 * $Revision: 1.2 $
 * $Date: 2004/07/28 09:36:01 $
 *
 * ====================================================================
 *
 * Copyright 2004 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 org.apache.slide.extractor;

import java.io.InputStream;
import java.util.Map;

/**
 * The PropertyExtractor interface
 * 
 */
public interface PropertyExtractor extends Extractor {
    /**
     * Will be called before content and properties are stored
     *  Gets extracted property value from the resource, for example "author"
     *  for a word doc, ...
     */
    public Map extract(InputStream content) throws ExtractorException;
}