EpubContentParser.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.tika.parser.epub;

import java.io.IOException;
import java.util.Collections;
import java.util.Set;

import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;

import org.apache.tika.exception.TikaException;
import org.apache.tika.io.TikaInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.mime.MediaType;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.Parser;
import org.apache.tika.utils.XMLReaderUtils;

/**
 * Parser for EPUB OPS <code>*.html</code> files.
 * <p>
 * For the time being, assume XHTML (TODO: DTBook)
 */
public class EpubContentParser implements Parser {

    public Set<MediaType> getSupportedTypes(ParseContext context) {
        return Collections.emptySet(); // not a top-level parser
    }

    public void parse(TikaInputStream tis, ContentHandler handler, Metadata metadata,
                      ParseContext context) throws IOException, SAXException, TikaException {

        tis.setCloseShield();
        try {
            XMLReaderUtils.parseSAX(tis, handler, context);
        } finally {
            tis.removeCloseShield();
        }
    }

}