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yacy_search_server/source/de/anomic/plasma/parser/rtf/rtfParser.java

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4.7 KiB

//rtfParser.java
//------------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@anomic.de
//first published on http://www.anomic.de
//Frankfurt, Germany, 2005
//
//this file is contributed by Martin Thelian
//last major change: 16.05.2005
//
//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
//
//Using this software in any meaning (reading, learning, copying, compiling,
//running) means that you agree that the Author(s) is (are) not responsible
//for cost, loss of data or any harm that may be caused directly or indirectly
//by usage of this softare or this documentation. The usage of this software
//is on your own risk. The installation and usage (starting/running) of this
//software may allow other people or application to access your computer and
//any attached devices and is highly dependent on the configuration of the
//software which must be done by the user of the software; the author(s) is
//(are) also not responsible for proper configuration and usage of the
//software, even if provoked by documentation provided together with
//the software.
//
//Any changes to this file according to the GPL as documented in the file
//gpl.txt aside this file in the shipment you received can be done to the
//lines that follows this copyright notice here, but changes must not be
//done inside the copyright notive above. A re-distribution must contain
//the intact and unchanged copyright notice.
//Contributions and changes to the program code must be marked as such.
package de.anomic.plasma.parser.rtf;
import java.io.InputStream;
import java.net.URL;
import java.util.Hashtable;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.rtf.RTFEditorKit;
import de.anomic.plasma.plasmaParserDocument;
import de.anomic.plasma.parser.AbstractParser;
import de.anomic.plasma.parser.Parser;
import de.anomic.plasma.parser.ParserException;
public class rtfParser
extends AbstractParser
implements Parser {
/**
* a list of mime types that are supported by this parser class
* @see #getSupportedMimeTypes()
*/
public static final Hashtable SUPPORTED_MIME_TYPES = new Hashtable();
static {
SUPPORTED_MIME_TYPES.put("application/rtf","rtf");
SUPPORTED_MIME_TYPES.put("text/rtf","rtf");
}
/**
* a list of library names that are needed by this parser
* @see Parser#getLibxDependences()
*/
private static final String[] LIBX_DEPENDENCIES = new String[] {};
public rtfParser() {
super(LIBX_DEPENDENCIES);
parserName = "Rich Text Format Parser";
}
public plasmaParserDocument parse(URL location, String mimeType,
InputStream source) throws ParserException {
try {
DefaultStyledDocument doc = new DefaultStyledDocument();
RTFEditorKit theRtfEditorKit = new RTFEditorKit();
theRtfEditorKit.read(source, doc, 0);
String bodyText = doc.getText(0, doc.getLength());
plasmaParserDocument theDoc = new plasmaParserDocument(
location,
mimeType,
null,
((bodyText.length() > 80)? bodyText.substring(0, 80):bodyText.trim()).
replaceAll("\r\n"," ").
replaceAll("\n"," ").
replaceAll("\r"," ").
replaceAll("\t"," "),
null,
null,
null,
bodyText.getBytes(),
null,
null);
return theDoc;
}
catch (Exception e) {
throw new ParserException("Unable to parse the doc content. " + e.getMessage());
}
}
public java.util.Hashtable getSupportedMimeTypes() {
return rtfParser.SUPPORTED_MIME_TYPES;
}
public void reset() {
// Nothing todo here at the moment
}
}