Source Code Cross Referenced for docParser.java in  » Search-Engine » yacy » de » anomic » plasma » parser » doc » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Search Engine » yacy » de.anomic.plasma.parser.doc 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        //docParser.java 
002:        //------------------------
003:        //part of YaCy
004:        //(C) by Michael Peter Christen; mc@anomic.de
005:        //first published on http://www.anomic.de
006:        //Frankfurt, Germany, 2005
007:        //
008:        //this file is contributed by Martin Thelian
009:        //last major change: 24.04.2005
010:        //
011:        //This program is free software; you can redistribute it and/or modify
012:        //it under the terms of the GNU General Public License as published by
013:        //the Free Software Foundation; either version 2 of the License, or
014:        //(at your option) any later version.
015:        //
016:        //This program is distributed in the hope that it will be useful,
017:        //but WITHOUT ANY WARRANTY; without even the implied warranty of
018:        //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
019:        //GNU General Public License for more details.
020:        //
021:        //You should have received a copy of the GNU General Public License
022:        //along with this program; if not, write to the Free Software
023:        //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024:        //
025:        //Using this software in any meaning (reading, learning, copying, compiling,
026:        //running) means that you agree that the Author(s) is (are) not responsible
027:        //for cost, loss of data or any harm that may be caused directly or indirectly
028:        //by usage of this softare or this documentation. The usage of this software
029:        //is on your own risk. The installation and usage (starting/running) of this
030:        //software may allow other people or application to access your computer and
031:        //any attached devices and is highly dependent on the configuration of the
032:        //software which must be done by the user of the software; the author(s) is
033:        //(are) also not responsible for proper configuration and usage of the
034:        //software, even if provoked by documentation provided together with
035:        //the software.
036:        //
037:        //Any changes to this file according to the GPL as documented in the file
038:        //gpl.txt aside this file in the shipment you received can be done to the
039:        //lines that follows this copyright notice here, but changes must not be
040:        //done inside the copyright notive above. A re-distribution must contain
041:        //the intact and unchanged copyright notice.
042:        //Contributions and changes to the program code must be marked as such.
043:
044:        package de.anomic.plasma.parser.doc;
045:
046:        import java.io.InputStream;
047:        import java.util.Hashtable;
048:
049:        import org.textmining.text.extraction.WordExtractor;
050:
051:        import de.anomic.plasma.plasmaParserDocument;
052:        import de.anomic.plasma.parser.AbstractParser;
053:        import de.anomic.plasma.parser.Parser;
054:        import de.anomic.plasma.parser.ParserException;
055:        import de.anomic.yacy.yacyURL;
056:
057:        public class docParser extends AbstractParser implements  Parser {
058:
059:            /**
060:             * a list of mime types that are supported by this parser class
061:             * @see #getSupportedMimeTypes()
062:             */
063:            public static final Hashtable<String, String> SUPPORTED_MIME_TYPES = new Hashtable<String, String>();
064:            static {
065:                SUPPORTED_MIME_TYPES.put("application/msword", "doc");
066:            }
067:
068:            /**
069:             * a list of library names that are needed by this parser
070:             * @see Parser#getLibxDependences()
071:             */
072:            private static final String[] LIBX_DEPENDENCIES = new String[] { "tm-extractors-0.4.jar" };
073:
074:            public docParser() {
075:                super (LIBX_DEPENDENCIES);
076:                this .parserName = "Word Document Parser";
077:            }
078:
079:            public plasmaParserDocument parse(yacyURL location,
080:                    String mimeType, String charset, InputStream source)
081:                    throws ParserException, InterruptedException {
082:
083:                try {
084:                    WordExtractor extractor = new WordExtractor();
085:                    String contents = extractor.extractText(source);
086:
087:                    plasmaParserDocument theDoc = new plasmaParserDocument(
088:                            location, mimeType, "UTF-8", null, ((contents
089:                                    .length() > 80) ? contents.substring(0, 80)
090:                                    : contents.trim()).replaceAll("\r\n", " ")
091:                                    .replaceAll("\n", " ")
092:                                    .replaceAll("\r", " ")
093:                                    .replaceAll("\t", " "), "", // TODO: AUTHOR
094:                            null, null, contents.getBytes("UTF-8"), null, null);
095:
096:                    return theDoc;
097:                } catch (Exception e) {
098:                    if (e instanceof  InterruptedException)
099:                        throw (InterruptedException) e;
100:                    if (e instanceof  ParserException)
101:                        throw (ParserException) e;
102:
103:                    throw new ParserException(
104:                            "Unexpected error while parsing doc file. "
105:                                    + e.getMessage(), location);
106:                }
107:            }
108:
109:            public java.util.Hashtable<String, String> getSupportedMimeTypes() {
110:                return docParser.SUPPORTED_MIME_TYPES;
111:            }
112:
113:            public void reset() {
114:                // Nothing todo here at the moment
115:                super.reset();
116:            }
117:
118:        }
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