git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2753 6c8d7289-2bf4-0310-a012-ef5d649a1542pull/1/head
octoate
19 years ago
parent
1cd9e9aad4
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<?xml version="1.0"?>
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<project name="YACY - pptParser" 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="ppt"/>
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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="${libx}/poi-3.0-alpha2-20060616.jar" />
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<pathelement location="${libx}/poi-scratchpad-3.0-alpha2-20060616.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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//pptParser.java
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//------------------------
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//part of YaCy
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//(C) by Michael Peter Christen; mc@anomic.de
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//first published on http://www.anomic.de
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//Frankfurt, Germany, 2005
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//this file is contributed by Tim Riemann
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//last major change: 10.09.2006
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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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//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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//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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//Using this software in any meaning (reading, learning, copying, compiling,
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//running) means that you agree that the Author(s) is (are) not responsible
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//for cost, loss of data or any harm that may be caused directly or indirectly
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//by usage of this softare or this documentation. The usage of this software
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//is on your own risk. The installation and usage (starting/running) of this
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//software may allow other people or application to access your computer and
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//any attached devices and is highly dependent on the configuration of the
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//software which must be done by the user of the software; the author(s) is
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//(are) also not responsible for proper configuration and usage of the
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//software, even if provoked by documentation provided together with
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//the software.
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//Any changes to this file according to the GPL as documented in the file
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//gpl.txt aside this file in the shipment you received can be done to the
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//lines that follows this copyright notice here, but changes must not be
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//done inside the copyright notive above. A re-distribution must contain
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//the intact and unchanged copyright notice.
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//Contributions and changes to the program code must be marked as such.
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package de.anomic.plasma.parser.ppt;
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import java.io.BufferedInputStream;
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import java.io.InputStream;
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import java.util.Hashtable;
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import org.apache.poi.hslf.extractor.PowerPointExtractor;
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import de.anomic.net.URL;
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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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public class pptParser 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 SUPPORTED_MIME_TYPES = new Hashtable();
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static {
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SUPPORTED_MIME_TYPES.put("application/mspowerpoint","ppt");
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SUPPORTED_MIME_TYPES.put("application/powerpoint","ppt");
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SUPPORTED_MIME_TYPES.put("application/vnd.ms-powerpoint","ppt");
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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-3.0-alpha2-20060616.jar",
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"poi-scratchpad-3.0-alpha2-20060616.jar"
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};
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public pptParser(){
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super(LIBX_DEPENDENCIES);
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this.parserName = "Microsoft Powerpoint Parser";
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this.parserVersionNr = "0.1";
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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(URL location, String mimeType,
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String charset, InputStream source) throws ParserException,
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InterruptedException {
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try {
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/*
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* create new PowerPointExtractor and extract text and notes
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* of the document
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*/
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PowerPointExtractor pptExtractor = new PowerPointExtractor(new BufferedInputStream(source));
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String contents = pptExtractor.getText(true, true);
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/*
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* create the plasmaParserDocument for the database
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* and set shortText and bodyText properly
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*/
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plasmaParserDocument theDoc = new plasmaParserDocument(
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location,
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mimeType,
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"UTF-8",
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null,
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((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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null,
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null,
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null,
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contents.getBytes("UTF-8"),
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null,
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null);
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return theDoc;
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} catch (Exception e) {
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if (e instanceof InterruptedException) throw (InterruptedException) e;
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/*
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* an unexpected error occurred, log it and throw a ParserException
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*/
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String errorMsg = "Unable to parse the ppt 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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}
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}
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public Hashtable getSupportedMimeTypes() {
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return SUPPORTED_MIME_TYPES;
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}
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public void reset(){
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//nothing to do
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super.reset();
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}
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}
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