/*

  * 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.any23.mime;

 import java.io.InputStream;

 /**

  * This detector is able to estimate the <code>MIME</code> type of

  * some given raw data. 

  */

 public interface MIMETypeDetector {

     /**

      * Estimates the <code>MIME</code> type of the content of input file.

      *

      * @param fileName name of the file.

      * @param input content of the file.

      * @param mimeTypeFromMetadata mimetype declared in metadata.

      * @return the supposed mime type or <code>null</code> if nothing appropriate found.

      */

     public MIMEType guessMIMEType(String fileName, InputStream input, MIMEType mimeTypeFromMetadata);

 }