/*
 * 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.server;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.poi.EncryptedDocumentException;
import org.apache.poi.extractor.ExtractorFactory;
import org.apache.poi.hwpf.OldWordFileFormatException;
import org.apache.tika.detect.Detector;
import org.apache.tika.exception.TikaException;
import org.apache.tika.io.TikaInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.metadata.TikaMetadataKeys;
import org.apache.tika.mime.MediaType;
import org.apache.tika.parser.AutoDetectParser;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.Parser;
import org.apache.tika.parser.html.HtmlParser;
import org.apache.tika.sax.BodyContentHandler;
import org.apache.tika.sax.WriteOutContentHandler;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;

import javax.ws.rs.*;
import javax.ws.rs.core.*;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Map;
import java.util.Set;

@Path("/tika{id:(/.*)?}")
public class TikaResource {
  public static final String GREETING = "This is Tika Server. Please PUT\n";
  private final Log logger = LogFactory.getLog(TikaResource.class);

  static {
    ExtractorFactory.setAllThreadsPreferEventExtractors(true);
  }

  @SuppressWarnings({"SameReturnValue"})
  @GET
  @Produces("text/plain")
  public String getMessage() {
    return GREETING;
  }

  public static AutoDetectParser createParser() {
    final AutoDetectParser parser = new AutoDetectParser();

    Map<MediaType,Parser> parsers = parser.getParsers();
    parsers.put(MediaType.APPLICATION_XML, new HtmlParser());
    parser.setParsers(parsers);

    parser.setFallback(new Parser() {
      public Set<MediaType> getSupportedTypes(ParseContext parseContext) {
        return parser.getSupportedTypes(parseContext);
      }

      public void parse(InputStream inputStream, ContentHandler contentHandler, Metadata metadata, ParseContext parseContext) {
        throw new WebApplicationException(Response.Status.UNSUPPORTED_MEDIA_TYPE);
      }

      public void parse(InputStream inputStream, ContentHandler contentHandler, Metadata metadata) {
        throw new WebApplicationException(Response.Status.UNSUPPORTED_MEDIA_TYPE);
      }
    });

    return parser;
  }

  public static void fillMetadata(AutoDetectParser parser, Metadata metadata, HttpHeaders httpHeaders) {
    List<String> fileName = httpHeaders.getRequestHeader("File-Name");
    if (fileName!=null && !fileName.isEmpty()) {
      metadata.set(TikaMetadataKeys.RESOURCE_NAME_KEY, fileName.get(0));
    }

    javax.ws.rs.core.MediaType mediaType = httpHeaders.getMediaType();
    if (mediaType!=null && "xml".equals(mediaType.getSubtype()) ) {
      mediaType = null;
    }

    if (mediaType !=null && mediaType.equals(javax.ws.rs.core.MediaType.APPLICATION_OCTET_STREAM_TYPE)) {
      mediaType = null;
    }

    if (mediaType !=null) {
      metadata.add(org.apache.tika.metadata.HttpHeaders.CONTENT_TYPE, mediaType.toString());

      final Detector detector = parser.getDetector();

      parser.setDetector(new Detector() {
        public MediaType detect(InputStream inputStream, Metadata metadata) throws IOException {
          String ct = metadata.get(org.apache.tika.metadata.HttpHeaders.CONTENT_TYPE);

          if (ct!=null) {
            return MediaType.parse(ct);
          } else {
            return detector.detect(inputStream, metadata);
          }
        }
      });
    }
  }

  @PUT
  @Consumes("*/*")
  @Produces("text/plain")
  public StreamingOutput getText(final InputStream is, @Context HttpHeaders httpHeaders, @Context final UriInfo info) {
    final AutoDetectParser parser = createParser();
    final Metadata metadata = new Metadata();

    fillMetadata(parser, metadata, httpHeaders);

    logRequest(logger, info, metadata);

    return new StreamingOutput() {
      public void write(OutputStream outputStream) throws IOException, WebApplicationException {
        BodyContentHandler body = new BodyContentHandler(new WriteOutContentHandler(outputStream) {
          @Override
          public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
            super.startElement(uri, localName, qName, attributes);

            if ("img".equals(localName) && attributes.getValue("alt")!=null) {
              String nfo = "[image: "+attributes.getValue("alt")+ ']';

              characters(nfo.toCharArray(), 0, nfo.length());
            }

            if ("a".equals(localName) && attributes.getValue("name")!=null) {
              String nfo = "[bookmark: "+attributes.getValue("name")+ ']';

              characters(nfo.toCharArray(), 0, nfo.length());
            }
          }
        });

        TikaInputStream tis = TikaInputStream.get(is);

        try {
          tis.getFile();

          parser.parse(tis, body, metadata);
        } catch (SAXException e) {
          throw new WebApplicationException(e);
        } catch (TikaException e) {
          if (e.getCause()!=null && e.getCause() instanceof WebApplicationException) {
            throw (WebApplicationException) e.getCause();
          }

          if (e.getCause()!=null && e.getCause() instanceof IllegalStateException) {
            throw new WebApplicationException(Response.status(422).build());
          }

          if (e.getCause()!=null && e.getCause() instanceof EncryptedDocumentException) {
            throw new WebApplicationException(Response.status(422).build());
          }

          if (e.getCause()!=null && e.getCause() instanceof OldWordFileFormatException) {
            throw new WebApplicationException(Response.status(422).build());
          }

          logger.warn(String.format(
                  "%s: Text extraction failed",
                  info.getPath()
          ), e);

          throw new WebApplicationException(Response.Status.INTERNAL_SERVER_ERROR);
        } finally {
          tis.close();
        }
      }
    };
  }

  public static void logRequest(Log logger, UriInfo info, Metadata metadata) {
    if (metadata.get(org.apache.tika.metadata.HttpHeaders.CONTENT_TYPE)==null) {
      logger.info(String.format(
              "%s (autodetecting type)",
              info.getPath()
      ));
    } else {
      logger.info(String.format(
              "%s (%s)",
              info.getPath(),
              metadata.get(org.apache.tika.metadata.HttpHeaders.CONTENT_TYPE)
      ));
    }
  }
}

@@ -2980,201 +2980,8 @@
    %7D
-%0A%0A      public void parse(InputStream inputStream, ContentHandler contentHandler, Metadata metadata) %7B%0A        throw new WebApplicationException(Response.Status.UNSUPPORTED_MEDIA_TYPE);%0A      %7D
 %0A   

remove obsolete Parser.parse() implementation