| /* |
| * 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.mif; |
| |
| import org.apache.tika.detect.AutoDetectReader; |
| import org.apache.tika.detect.EncodingDetector; |
| import org.apache.tika.exception.TikaException; |
| import org.apache.tika.io.CloseShieldInputStream; |
| import org.apache.tika.metadata.Metadata; |
| import org.apache.tika.mime.MediaType; |
| import org.apache.tika.parser.AbstractEncodingDetectorParser; |
| import org.apache.tika.parser.ParseContext; |
| import org.apache.tika.sax.EndDocumentShieldingContentHandler; |
| import org.apache.tika.sax.XHTMLContentHandler; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.SAXException; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.charset.Charset; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| public class MIFParser extends AbstractEncodingDetectorParser { |
| |
| private static final Set<MediaType> SUPPORTED_TYPES = |
| Collections.unmodifiableSet(new HashSet<>(Arrays.asList( |
| MediaType.application("vnd.mif"), |
| MediaType.application("x-maker"), |
| MediaType.application("x-mif")))); |
| |
| public MIFParser() { |
| super(); |
| } |
| |
| public MIFParser(EncodingDetector encodingDetector) { |
| super(encodingDetector); |
| } |
| |
| @Override |
| public Set<MediaType> getSupportedTypes(ParseContext context) { |
| return SUPPORTED_TYPES; |
| } |
| |
| @Override |
| public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context) |
| throws IOException, SAXException, TikaException { |
| |
| try (AutoDetectReader reader = new AutoDetectReader( |
| new CloseShieldInputStream(stream), metadata, getEncodingDetector(context))) { |
| |
| Charset charset = reader.getCharset(); |
| metadata.set(Metadata.CONTENT_ENCODING, charset.name()); |
| Optional<MediaType> firstElement = SUPPORTED_TYPES.stream().findFirst(); |
| metadata.set(Metadata.CONTENT_TYPE, firstElement.get().toString()); |
| |
| XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata); |
| xhtml.startDocument(); |
| EndDocumentShieldingContentHandler parseHandler = new EndDocumentShieldingContentHandler(xhtml); |
| MIFExtractor.parse(reader, getContentHandler(parseHandler, metadata)); |
| xhtml.endDocument(); |
| |
| if (parseHandler.getEndDocumentWasCalled()) { |
| parseHandler.reallyEndDocument(); |
| } |
| } |
| } |
| |
| /** |
| * Get the content handler to use. |
| * |
| * @param handler the parent content handler. |
| * @param metadata the metadata object. |
| * @return the ContentHandler. |
| */ |
| public ContentHandler getContentHandler(ContentHandler handler, Metadata metadata) { |
| return new MIFContentHandler(handler, metadata); |
| } |
| } |