org.apache.any23.encoding.TikaEncodingDetector Maven / Gradle / Ivy
/*
* 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.encoding;
import org.apache.tika.parser.txt.CharsetDetector;
import org.apache.tika.parser.txt.CharsetMatch;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* An implementation of {@link EncodingDetector} based on
* Apache Tika.
*
* @author Michele Mostarda ( [email protected] )
* @author Davide Palmisano ( [email protected] )
* @version $Id$
*/
public class TikaEncodingDetector implements EncodingDetector {
public String guessEncoding(InputStream is) throws IOException {
CharsetDetector charsetDetector = new CharsetDetector();
charsetDetector.setText( is instanceof BufferedInputStream ? is : new BufferedInputStream(is) );
charsetDetector.enableInputFilter(true);
CharsetMatch cm = charsetDetector.detect();
return cm.getName();
}
}