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/*
* 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.microsoft.xml;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.io.input.CloseShieldInputStream;
import org.apache.tika.exception.TikaException;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.metadata.Office;
import org.apache.tika.metadata.OfficeOpenXMLCore;
import org.apache.tika.metadata.OfficeOpenXMLExtended;
import org.apache.tika.metadata.Property;
import org.apache.tika.metadata.TikaCoreProperties;
import org.apache.tika.parser.AbstractParser;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.xml.ElementMetadataHandler;
import org.apache.tika.sax.EmbeddedContentHandler;
import org.apache.tika.sax.OfflineContentHandler;
import org.apache.tika.sax.TaggedContentHandler;
import org.apache.tika.sax.TeeContentHandler;
import org.apache.tika.sax.XHTMLContentHandler;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
public abstract class AbstractXML2003Parser extends AbstractParser {
final static String MS_OFFICE_PROPERTIES_URN = "urn:schemas-microsoft-com:office:office";
final static String MS_DOC_PROPERTIES_URN = "urn:schemas-microsoft-com:office:office";
final static String MS_SPREADSHEET_URN = "urn:schemas-microsoft-com:office:spreadsheet";
final static String MS_VML_URN = "urn:schemas-microsoft-com:vml";
final static String WORD_ML_URL = "http://schemas.microsoft.com/office/word/2003/wordml";
final static Attributes EMPTY_ATTRS = new AttributesImpl();
final static String DOCUMENT_PROPERTIES = "DocumentProperties";
final static String PICT = "pict";
final static String BIN_DATA = "binData";
final static String A = "a";
final static String BODY = "body";
final static String BR = "br";
final static String CDATA = "cdata";
final static String DIV = "div";
final static String HREF = "href";
final static String IMG = "img";
final static String P = "p";
final static String TD = "td";
final static String TR = "tr";
final static String TABLE = "table";
final static String TBODY = "tbody";
final static String HLINK = "hlink";
final static String HLINK_DEST = "dest";
final static String NAME_ATTR = "name";
final static char[] NEWLINE = new char[] {'\n'};
private static ContentHandler getMSPropertiesHandler(
Metadata metadata, Property property, String element) {
return new ElementMetadataHandler(
MS_DOC_PROPERTIES_URN, element,
metadata, property);
}
@Override
public void parse(
InputStream stream, ContentHandler handler,
Metadata metadata, ParseContext context)
throws IOException, SAXException, TikaException {
setContentType(metadata);
final XHTMLContentHandler xhtml =
new XHTMLContentHandler(handler, metadata);
xhtml.startDocument();
TaggedContentHandler tagged = new TaggedContentHandler(xhtml);
try {
context.getSAXParser().parse(
new CloseShieldInputStream(stream),
new OfflineContentHandler(new EmbeddedContentHandler(
getContentHandler(tagged, metadata, context))));
} catch (SAXException e) {
tagged.throwIfCauseOf(e);
throw new TikaException("XML parse error", e);
} finally {
xhtml.endDocument();
}
}
protected ContentHandler getContentHandler(ContentHandler ch, Metadata md, ParseContext context) {
//ContentHandler is not currently used, but leave that as an option for
//potential future additions
return new TeeContentHandler(
getMSPropertiesHandler(md, TikaCoreProperties.TITLE, "Title"),
getMSPropertiesHandler(md, TikaCoreProperties.CREATOR, "Author"),
getMSPropertiesHandler(md, Office.LAST_AUTHOR, "LastAuthor"),
getMSPropertiesHandler(md, OfficeOpenXMLCore.REVISION, "Revision"),
getMSPropertiesHandler(md, OfficeOpenXMLExtended.TOTAL_TIME, "TotalTime"),
getMSPropertiesHandler(md, TikaCoreProperties.CREATED, "Created"),
getMSPropertiesHandler(md, Office.SAVE_DATE, "LastSaved"),
getMSPropertiesHandler(md, Office.PAGE_COUNT, "Pages"),
getMSPropertiesHandler(md, Office.WORD_COUNT, "Words"),
getMSPropertiesHandler(md, Office.CHARACTER_COUNT, "Characters"),
getMSPropertiesHandler(md, Office.CHARACTER_COUNT_WITH_SPACES, "CharactersWithSpaces"),
getMSPropertiesHandler(md, OfficeOpenXMLExtended.COMPANY, "Company"),
getMSPropertiesHandler(md, Office.LINE_COUNT, "Lines"),
getMSPropertiesHandler(md, Office.PARAGRAPH_COUNT, "Paragraphs"),
getMSPropertiesHandler(md, OfficeOpenXMLCore.VERSION, "Version"));
}
abstract protected void setContentType(Metadata contentType);
}
