/*
 * 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.tika.example;

import java.io.InputStream;

import org.apache.tika.Tika;
import org.apache.tika.detect.CompositeDetector;
import org.apache.tika.detect.Detector;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.mime.MediaType;
import org.apache.tika.mime.MimeTypesFactory;

public class AdvancedTypeDetector {
    public static String detectWithCustomConfig(String name) throws Exception {
        String config = "/org/apache/tika/mime/tika-mimetypes.xml";
        Tika tika = new Tika(MimeTypesFactory.create(config));
        return tika.detect(name);
    }

    public static String detectWithCustomDetector(String name) throws Exception {
        String config = "/org/apache/tika/mime/tika-mimetypes.xml";
        Detector detector = MimeTypesFactory.create(config);

        Detector custom = new Detector() {
            private static final long serialVersionUID = -5420638839201540749L;

            public MediaType detect(InputStream input, Metadata metadata) {
                String type = metadata.get("my-custom-type-override");
                if (type != null) {
                    return MediaType.parse(type);
                } else {
                    return MediaType.OCTET_STREAM;
                }
            }
        };

        Tika tika = new Tika(new CompositeDetector(custom, detector));
        return tika.detect(name);
    }
}