*) updated PPT and XLS parsers to use new Apache POI library *) added new Visio (VSD) parser git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6145 6c8d7289-2bf4-0310-a012-ef5d649a1542pull/1/head
low012
16 years ago
parent
a10c8022d1
commit
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<?xml version="1.0"?>
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<project name="YACY - vsdParser" default="dist">
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<description>A class to parse ppt files</description>
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<!-- the parsers short name -->
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<property name="parserShortName" value="vsd"/>
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<!-- parser version number -->
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<property name="parserVersion" value="0.1"/>
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<property name="parserLongName" value="yacyContentParser_${parserShortName}"/>
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<property name="parserArchive" location="${release}/${parserLongName}_${parserVersion}.tgz"/>
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<!-- compile the sources of this parser -->
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<target name="compile">
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<javac srcdir="${src}/de/anomic/plasma/parser/${parserShortName}" destdir="${build}" source="${javacSource}" target="${javacTarget}" debug="true" debuglevel="lines,vars,source">
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<classpath>
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<pathelement location="${build}" />
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<!-- libraries needed by this parser -->
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<pathelement location="${libx}/poi-3.2-FINAL-20081019.jar" />
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<pathelement location="${libx}/poi-scratchpad-3.2-FINAL-20081019.jar" />
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</classpath>
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</javac>
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</target>
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<!-- add all parts of this parser into a single zip file -->
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<target name="zip" depends="compile">
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<tar destfile="${parserArchive}" compression="gzip">
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<!-- needed libraries and license files of these libs -->
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<tarfileset dir="${libx}"
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includes="poi-*.*"
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prefix="${releaseFileParentDir}/libx/"
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dirmode="755" mode="644"/>
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<!-- source files of this parser -->
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<tarfileset dir="${src}/de/anomic/plasma/parser/${parserShortName}"
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prefix="${releaseFileParentDir}/source/de/anomic/plasma/parser/${parserShortName}"
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dirmode="755" mode="644"/>
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<!-- class files of this parser -->
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<tarfileset dir="${build}/de/anomic/plasma/parser/${parserShortName}"
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prefix="${releaseFileParentDir}/classes/de/anomic/plasma/parser/${parserShortName}"
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dirmode="755" mode="644"/>
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</tar>
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</target>
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<!-- just copy all parts of this parser into the release directory -->
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<target name="copy" depends="compile">
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<!-- copy needed libs -->
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<copy todir="${release}/libx/">
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<fileset dir="${libx}" includes="poi-*.*"/>
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</copy>
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<!-- copy source code files -->
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<copy todir="${release}/source/de/anomic/plasma/parser/${parserShortName}">
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<fileset dir="${src}/de/anomic/plasma/parser/${parserShortName}" includes="**/*"/>
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</copy>
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<!-- copy compiled classes -->
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<copy todir="${release}/classes/de/anomic/plasma/parser/${parserShortName}">
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<fileset dir="${build}/de/anomic/plasma/parser/${parserShortName}" includes="**/*"/>
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</copy>
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</target>
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<target name="dist" depends="compile,zip" description="Compile and zip the parser"/>
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</project>
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//vsdParser.java
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//------------------------
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//part of YaCy
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//(C) by Michael Peter Christen; mc@yacy.net
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//first published on http://www.anomic.de
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//Frankfurt, Germany, 2005
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//
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//this file is contributed by Marc Nause
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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//This program is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//
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//This program is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//
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//You should have received a copy of the GNU General Public License
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//along with this program; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package de.anomic.plasma.parser.vsd;
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import java.io.InputStream;
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import java.util.Hashtable;
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import de.anomic.plasma.plasmaParserDocument;
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import de.anomic.plasma.parser.AbstractParser;
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import de.anomic.plasma.parser.Parser;
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import de.anomic.plasma.parser.ParserException;
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import de.anomic.yacy.yacyURL;
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import org.apache.poi.hdgf.extractor.VisioTextExtractor;
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import org.apache.poi.hpsf.SummaryInformation;
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public class vsdParser extends AbstractParser implements Parser {
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/**
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* a list of mime types that are supported by this parser class
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* @see #getSupportedMimeTypes()
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*/
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public static final Hashtable<String, String> SUPPORTED_MIME_TYPES = new Hashtable<String, String>();
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static {
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SUPPORTED_MIME_TYPES.put("application/visio","vsd");
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SUPPORTED_MIME_TYPES.put("application/x-visio","vsd");
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SUPPORTED_MIME_TYPES.put("application/vnd.visio","vsd");
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SUPPORTED_MIME_TYPES.put("application/visio.drawing","vsd");
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SUPPORTED_MIME_TYPES.put("application/vsd","vsd");
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SUPPORTED_MIME_TYPES.put("application/x-vsd","vsd");
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SUPPORTED_MIME_TYPES.put("image/x-vsd","vsd");
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SUPPORTED_MIME_TYPES.put("zz-application/zz-winassoc-vsd","vsd");
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}
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/**
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* a list of library names that are needed by this parser
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* @see Parser#getLibxDependences()
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*/
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private static final String[] LIBX_DEPENDENCIES = new String[] {
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"poi-3.2-FINAL-20081019.jar",
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"poi-scratchpad-3.2-FINAL-20081019.jar",
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};
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public vsdParser() {
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super(LIBX_DEPENDENCIES);
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this.parserName = "Microsoft Visio Parser";
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this.parserVersionNr = "0.1";
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}
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/**
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* returns a hashtable containing the mimetypes that are supported by this class
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*/
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public Hashtable<String, String> getSupportedMimeTypes() {
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return SUPPORTED_MIME_TYPES;
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}
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/*
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* parses the source documents and returns a plasmaParserDocument containing
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* all extracted information about the parsed document
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*/
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public plasmaParserDocument parse(final yacyURL location, final String mimeType, final String charset, final InputStream source) throws ParserException, InterruptedException {
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plasmaParserDocument theDoc = null;
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try {
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String contents = "";
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SummaryInformation summary = null;
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try {
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VisioTextExtractor extractor = new VisioTextExtractor(source);
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contents = extractor.getText();
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summary = extractor.getSummaryInformation();
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} catch (Exception e) {
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e.printStackTrace();
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}
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String author = null;
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String[] keywords = null;
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String title = null;
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if (summary != null) {
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author = summary.getAuthor();
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if (summary.getKeywords() != null) {
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keywords = summary.getKeywords().split("[ ,;]");
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}
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title = summary.getTitle();
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}
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String abstrct = null;
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abstrct = ((contents.length() > 80)? contents.substring(0, 80):contents.trim()).
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replaceAll("\r\n"," ").
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replaceAll("\n"," ").
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replaceAll("\r"," ").
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replaceAll("\t"," ");
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if (title == null) {
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title = abstrct;
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}
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// As the result of parsing this function must return a plasmaParserDocument object
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theDoc = new plasmaParserDocument(
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location, // url of the source document
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mimeType, // the documents mime type
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"UTF-8", // charset of the document text
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null, // language
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keywords,
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title,
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author,
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null, // an array of section headlines
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abstrct, // an abstract
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contents.getBytes("UTF-8"), // the parsed document text
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null, // a map of extracted anchors
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null); // a treeset of image URLs
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return theDoc;
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} catch (final Exception e) {
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if (e instanceof InterruptedException) throw (InterruptedException) e;
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// if an unexpected error occures just log the error and raise a new ParserException
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final String errorMsg = "Unable to parse the vsd document '" + location + "':" + e.getMessage();
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this.theLogger.logSevere(errorMsg);
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throw new ParserException(errorMsg, location);
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} finally {
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if (theDoc == null) {
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// if an unexpected error occures just log the error and raise a new ParserException
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final String errorMsg = "Unable to parse the vsd document '" + location + "': possibly out of memory";
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this.theLogger.logSevere(errorMsg);
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throw new ParserException(errorMsg, location);
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}
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}
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}
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@Override
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public void reset() {
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// this code is executed if the parser class is returned into the parser pool
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super.reset();
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}
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}
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