Package org.apache.tika.parser.font

Source Code of org.apache.tika.parser.font.TrueTypeParser

/*
* 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.font;

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

import org.apache.fontbox.ttf.TTFParser;
import org.apache.fontbox.ttf.TrueTypeFont;
import org.apache.tika.exception.TikaException;
import org.apache.tika.io.TikaInputStream;
import org.apache.tika.metadata.DublinCore;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.metadata.Property;
import org.apache.tika.mime.MediaType;
import org.apache.tika.parser.AbstractParser;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.sax.XHTMLContentHandler;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;

/**
* Parser for TrueType font files (TTF).
*/
public class TrueTypeParser extends AbstractParser {

    private static final MediaType TYPE =
        MediaType.application("x-font-ttf");

    private static final Set<MediaType> SUPPORTED_TYPES =
        Collections.singleton(TYPE);

    public Set<MediaType> getSupportedTypes(ParseContext context) {
        return SUPPORTED_TYPES;
    }

    public void parse(
            InputStream stream, ContentHandler handler,
            Metadata metadata, ParseContext context)
            throws IOException, SAXException, TikaException {
        TrueTypeFont font;
        TTFParser parser = new TTFParser();
        TikaInputStream tis = TikaInputStream.cast(stream);
        if (tis != null && tis.hasFile()) {
            font = parser.parseTTF(tis.getFile());
        } else {
            font = parser.parseTTF(stream);
        }

        metadata.set(Metadata.CONTENT_TYPE, TYPE.toString());
        metadata.set(DublinCore.DATE, font.getHeader().getCreated().getTime());
        metadata.set(
                Property.internalDate(DublinCore.MODIFIED),
                font.getHeader().getModified().getTime());

        XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
        xhtml.startDocument();
        xhtml.endDocument();
    }

}
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