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yacy_search_server/source/net/yacy/document/parser/docParser.java

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//docParser.java
//------------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@yacy.net
//first published on http://www.anomic.de
//Frankfurt, Germany, 2005
//
//this file is contributed by Martin Thelian
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
//This program is free software; you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation; either version 2 of the License, or
//(at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package net.yacy.document.parser;
import java.io.InputStream;
import net.yacy.cora.document.MultiProtocolURI;
import net.yacy.cora.document.UTF8;
import net.yacy.document.AbstractParser;
import net.yacy.document.Document;
import net.yacy.document.Parser;
import org.apache.poi.hwpf.extractor.WordExtractor;
public class docParser extends AbstractParser implements Parser {
public docParser() {
super("Word Document Parser");
SUPPORTED_EXTENSIONS.add("doc");
SUPPORTED_MIME_TYPES.add("application/msword");
SUPPORTED_MIME_TYPES.add("application/doc");
SUPPORTED_MIME_TYPES.add("appl/text");
SUPPORTED_MIME_TYPES.add("application/vnd.msword");
SUPPORTED_MIME_TYPES.add("application/vnd.ms-word");
SUPPORTED_MIME_TYPES.add("application/winword");
SUPPORTED_MIME_TYPES.add("application/word");
SUPPORTED_MIME_TYPES.add("application/x-msw6");
SUPPORTED_MIME_TYPES.add("application/x-msword");
}
public Document[] parse(final MultiProtocolURI location, final String mimeType,
final String charset, final InputStream source)
throws Parser.Failure, InterruptedException {
final WordExtractor extractor;
try {
extractor = new WordExtractor(source);
} catch (Exception e) {
throw new Parser.Failure("error in docParser, WordTextExtractorFactory: " + e.getMessage(), location);
}
final StringBuilder contents = new StringBuilder(80);
try {
contents.append(extractor.getText().trim());
contents.append(' ');
contents.append(extractor.getHeaderText());
contents.append(' ');
contents.append(extractor.getFooterText());
} catch (Exception e) {
throw new Parser.Failure("error in docParser, getText: " + e.getMessage(), location);
}
String title = (contents.length() > 240) ? contents.substring(0,240) : contents.toString().trim();
title.replaceAll("\r"," ").replaceAll("\n"," ").replaceAll("\t"," ").trim();
if (title.length() > 80) title = title.substring(0, 80);
int l = title.length();
while (true) {
title = title.replaceAll(" ", " ");
if (title.length() == l) break;
l = title.length();
}
Document[] docs;
docs = new Document[]{new Document(
location,
mimeType,
"UTF-8",
this,
null,
null,
title,
"", // TODO: AUTHOR
extractor.getDocSummaryInformation().getCompany(), // publisher
null,
null,
0.0f, 0.0f,
UTF8.getBytes(contents.toString()),
null,
null,
null,
false)};
return docs;
}
}