[opencms-dev] Index pdf files with your content in lucene.
Hartmann, Waehrisch & Feykes GmbH
hartmann at waehrisch-feykes.de
Tue Oct 28 15:42:03 CET 2003
Hi Ernesto,
the IndexManager retrieves a list of files of a folder by calling the method
getFilesInFolder of CmsObject. This method returns only empty files, i.e.
with empty content. To get the content of a pdf file you have to reread the
file:
f = cms.readFile(f.getAbsolutePath());
Bye,
Stephan
Am Montag, 27. Oktober 2003 19:18 schrieben Sie:
> > Hello
>
> Thanks for the previous reply.
>
> Now, i use
> - version 1.4 of lucene searche module. (the version attached in this list)
> - new version of registry.xml format for module. (like you write me)
> - the pdf files are stored with the binary type.
>
> But i have the next problem:
> i can´t make a InputStream for the cmsfile content.
> For this i write this code in de Document method of my class PDFDocument:
>
> -----------------
>
> InputStream in = new ByteArrayInputStream(f.getContents()); //f is the
> parameter CmsFile of the Document method
>
> PDFExtractor extractor = new PDFExtractor(); //PDFExtractor is lib i use.
> in file system work fine.
>
>
> bodyText = extractor.extractText(in);
>
> ----------------
>
> Is correct use ByteArrayInputStream for make a InputStream for a CmsFile?
>
> The error ocurr in the third line.
> In the PDFParcer.
> the error menssage in tomcat is:
>
> java.io.IOException: Error: Header is corrupt ''
> at PDFParcer.parse
> at PDFExtractor.extractText
> at PDFDocument.Document (my class)
> at.....
>
> By, and thanks.
> Ernesto.
>
>
> ----- Original Message -----
> From: Hartmann, Waehrisch & Feykes GmbH
> To: opencms-dev at opencms.org
> Sent: Friday, October 24, 2003 4:45 AM
> Subject: Re: [opencms-dev] Index pdf files with your content in lucene.
>
>
> Hello Ernesto,
>
> i assume you are using the unpatched version 1.3 of the search module.
> As i mentioned yesterday, the plainDocFactory does only index cmsFiles of
> type "plain" but not of type "binary". PDF files are stored as binary. I
> suggest to use the version i posted yesterday. Then your registry.xml would
> have to look like this: ...
> <docFactories>
> ...
> <docFactory type="plain" enabled="true">
> ...
> </docFactory>
> <docFactory type="binary" enabled="true">
> <fileType name="pdftext">
> <extension>.pdf</extension>
> <class>net.grcomputing.opencms.search.lucene.PDFDocument</class>
> </fileType>
> </docFactory>
> ...
> </docFactories>
>
> Important: The type attribute must match the file types of OpenCms (also
> defined in the registry.xml).
>
> Bye,
> Stephan
>
> ----- Original Message -----
> From: Ernesto De Santis
> To: Lucene Users List
> Cc: opencms-dev at opencms.org
> Sent: Thursday, October 23, 2003 4:16 PM
> Subject: [opencms-dev] Index pdf files with your content in lucene.
>
>
> Hello
>
> I am new in opencms and lucene tecnology.
>
> I won index pdf files, and index de content of this files.
>
> I work in this way:
>
> Make a PDFDocument class like JspDocument class.
> use org.textmining.text.extraction.PDFExtractor class, this class work
> fine out of vfs.
>
> and write my registry.xml for pdf document, in plainDocFactory tag.
>
> <fileType name="pdftext">
> <extension>.pdf</extension>
> <!-- This will strip tags before processing -->
>
> <class>net.grcomputing.opencms.search.lucene.PDFDocument</class>
> </fileType>
>
> my PDFDocument content this code:
> I think that the probrem is how take the content from CmsFile?, what
> InputStream use? PDFExtractor work with extractText(InputStream) method.
>
> public class PDFDocument implements I_DocumentConstants,
> I_DocumentFactory {
>
> public PDFDocument(){
>
> }
>
>
> public Document Document(CmsObject cmsobject, CmsFile cmsfile)
>
> throws CmsException
>
> {
>
> return Document(cmsobject, cmsfile, null);
>
> }
>
> public Document Document(CmsObject cmsobject, CmsFile cmsfile, HashMap
> hashmap)
>
> throws CmsException
>
> {
>
> Document document=(new BodylessDocument()).Document(cmsobject,
> cmsfile);
>
>
> //put de content in the pdf file.
>
> String contenido = new String(cmsfile.getContents());
>
> StringBufferInputStream in = new StringBufferInputStream(contenido);
>
> // ByteArrayInputStream in = new
> ByteArrayInputStream(contenido.getBytes());
>
>
> /* try{
>
> FileInputStream in = new FileInputStream (cmsfile.getPath() +
> cmsfile.getName());
>
> */
>
> PDFExtractor extractor = new PDFExtractor();
>
> String body = extractor.extractText(in);
>
>
> document.add(Field.Text("body", body));
>
> /* }catch(FileNotFoundException e){
>
> e.toString();
>
> throw new CmsException();
>
> }
>
>
> */
>
> return (document);
>
> }
>
>
> thanks
> Ernesto
> PD: Sorry for my poor english.
>
>
>
>
> ----- Original Message -----
> From: "Hartmann, Waehrisch & Feykes GmbH"
> <hartmann at waehrisch-feykes.de> To: <opencms-dev at opencms.org>
> Sent: Wednesday, October 22, 2003 3:50 AM
> Subject: Re: [opencms-dev] (no subject)
>
> > Hi Ben,
> >
> > i think this won't work since the plainDocFactory will only be used
> > for files of type "plain" but not for files of type "binary".
> > Recently we have done some additions to the module - by order of
> > Lenord, Bauer & Co. GmbH - that could meet your needs. It introduces
> > a more flexible way of defining docFactories that you can add new
> > factories without having to recompile the whole module. So other
> > modules (like the news) can bring their own docFactory and all you
> > have to do is to edit the registry.xml. Here is an example:
> >
> > <docFactories>
> > <docFactory enabled="true" type="plain">
> > <fileType name="plaintext">
> > <extension>.txt</extension>
> >
> > <class>net.grcomputing.opencms.search.lucene.PlainDocument</class>
> > </fileType>
> > </docFactory>
> > <docFactory enabled="true" type="news">
> >
> > <class>net.grcomputing.opencms.search.lucene.NewsDocument</class>
> > </docFactory>
> > </docFactories>
> >
> > To index binary files all you need to add is this:
> >
> > <docFactory enabled="true" type="binary">
> >
> > <class>net.grcomputing.opencms.search.lucene.BodylessDocument</class>
> > </docFactory>
> >
> > There should be no need for an extension mapping.
> >
> > For the interested people:
> > For ContentDefinitions (like news) i introduced the following:
> > <contentDefinitions>
> > <contentDefinition type="news"> <!-- must match
> > docFactory type -->
> >
> > <class>com.opencms.modules.homepage.news.NewsContentDefinition</class
> >>
> >
> > <initClass>net.grcomputing.opencms.search.lucene.NewsInitialization</
> >initCla ss>
> > <listMethod name="getNewsList">
> > <param type="java.lang.Integer">1</param>
> > <param type="java.lang.String">-1</param>
> > </listMethod>
> > <page uri="/news.html?__element=entry">
> > <param method="getIntId" name="newsid"/>
> > </page>
> > </contentDefinition>
> >
> > In short:
> > initClass is optional: For the news the news classes have to be
> > loaded to initialize the db pool.
> > listMethod: a method of the content definition class that returns a
> > List of elements
> > page: the page that can display an entry. Here a jsp that has a
> > template element "entry". It also needs the id of the news item.
> > getIntId is a method of the content definition class and newsid is
> > the url parameter the page needs. A link like
> > news.html?__element=entry&newsid=xy
> > will be generated.
> >
> > Best regards,
> > Stephan
> >
> >
> > ----- Original Message -----
> > From: "Ben Rometsch" <ben at solidstategroup.com>
> > To: <opencms-dev at opencms.org>
> > Sent: Wednesday, October 22, 2003 6:15 AM
> > Subject: [opencms-dev] (no subject)
> >
> > > Hi Matt,
> > >
> > > I am not having any joy! I've updated my registry.xml file, with
> > > the appropriate section reading:
> > >
> > > <luceneSearch>
> > > <mergeFactor>100000</mergeFactor>
> > > <permCheck>true</permCheck>
> > > <indexDir>c:\search</indexDir>
> > >
> > > <analyzer>org.apache.lucene.analysis.standard.StandardAnalyzer</ana
> > >lyzer> <subsearch>true</subsearch>
> > > <project>online</project>
> > > <docFactories>
> > > <pageDocFactory enabled="true">
> > >
> > > <class>net.grcomputing.opencms.search.lucene.PageDocument</class>
> > > </pageDocFactory>
> > > <plainDocFactory enabled="true">
> > > <fileType name="plaintext">
> > > <extension>.txt</extension>
> > >
> > > <class>net.grcomputing.opencms.search.lucene.PlainDocument</class>
> > > </fileType>
> > > <fileType name="taggedtext">
> > > <extension>.html</extension>
> > > <extension>.htm</extension>
> > > <extension>.xml</extension>
> > > <!-- This will strip tags before processing
> > > -->
> > >
> > > <class>net.grcomputing.opencms.search.lucene.TaggedPlainDocument</c
> > >lass> </fileType>
> > >
> > > <!-- Index binary documents -->
> > > <fileType name="plaindocument">
> > > <extension>.doc</extension>
> > > <extension>.xls</extension>
> > > <extension>.pdf</extension>
> > >
> > > <class>net.grcomputing.opencms.search.lucene.BodylessDocument</clas
> > >s> </fileType>
> > >
> > > </plainDocFactory>
> > > <jspDocFactory enabled="true">
> > >
> > > <class>net.grcomputing.opencms.search.lucene.JspDocument</class>
> > > </jspDocFactory>
> > > <xmlTemplateDocFactory enabled="false"/>
> > > </docFactories>
> > > <directories>
> > > <directory location="/release/">
> > > <section>Test</section>
> > > <subsearch>true</subsearch>
> > > </directory>
> > > <directory location="/RGLIntranet/">
> > > <section>Test2</section>
> > > <subsearch>true</subsearch>
> > > </directory>
> > > </directories>
> > > </luceneSearch>
> > >
> > > Notice the section beginning after the remark "Index binary
> > > documents".
> > >
> > > But I cannot get any hits when searching for document names that
> > > are in
> >
> > the
> >
> > > VFS. The other (HTML) searches are working ok. Is the "name"
> > > property of
> >
> > the
> >
> > > fileType tag important? I wasn't sure what to add here...I'm not
> > > quite
> >
> > sure
> >
> > > how to move forward. Maybe it would be an idea to add some
> > > debugging trace to the BodylessDocument class to see what is going
> > > on inside it? I want to make sure my XML is correct first tho!
> > >
> > > Thanks for the help,
> > > Ben
> > >
> > > On Thu, 2003-10-16 at 22:46, Ben Rometsch wrote:
> > > > Hi Matt,
> > > >
> > > > Thanks for the reply. If I just want to get the document title to
> > > > be included in the Lucene index, looking at the code in the
> > > > net.grcomputing.opencms.search.BodylessDocument class it appears
> > > > to
> >
> > ignore
> >
> > > > what the CMSObject is, and attempt to index it regardless. Is
> > > > this
> > >
> > > correct?
> > >
> > >
> > > Correct. It will already index the title, but it will not attempt
> > > to index the body.
> > >
> > > > If this is the case, is it simply a matter of instructing Lucene
> > > > to
> >
> > index
> >
> > > > obects other than HTML files in the VFS (i.e. Documents) ? Or
> > > > would I
> > >
> > > have
> > >
> > > > to create another class, something like
> > > > net.grcomputing.opencms.search.FileDocument and add a new hook
> > > > into that class via the registry.xml fragment? Or does the
> > > > BodyLess document
> > >
> > > provide
> > >
> > > > this functionality, and it's just a matter of adding a new XML
> > > > fragment
> >
> > to
> >
> > > > the registry.xml are?
> > >
> > > Again, you are right -- simply adding the appropriate configuration
> > > to the registry.xml file will suffice. I believe that you will just
> > > need to extend the plainDocument tag set to include extensions and
> > > processors... I _think_ that binary files get handled by the plain
> > > handler.
> > >
> > > Matt
> > >
> > > _______________________________________________
> > > This mail is send to you from the opencms-dev mailing list
> > > To change your list options, or to unsubscribe from the list,
> > > please visit http://mail.opencms.org/mailman/listinfo/opencms-dev
> >
> > Stephan Hartmann
> > Unternehmensberatung Währisch & Feykes GmbH
> > Gustav-Adolf-Str. 5
> > 47057 Duisburg
> >
> > Tel.: 0203-373070
> > Fax: 0203-376766
> > E-Mail: hartmann at wfnetz.de
> > Internet: www.wfnetz.de
> >
> > Über das Internet versandte E-Mails können unter fremden Namen
> > erstellt oder manipuliert werden. Aus diesem Grund enthalten unsere
> > mit E-Mail verschickten Nachrichten grundsätzlich keine
> > rechtsverbindlichen Willenserklärungen.
----------------------------------------
Content-Type: text/html; charset="iso-8859-1"; name="Anhang: 1"
Content-Transfer-Encoding: quoted-printable
Content-Description:
----------------------------------------
--
Stephan Hartmann
Währisch & Feykes GmbH
Gustav-Adolf-Str. 5
47057 Duisburg
Tel. 0203 / 373 070
Fax 0203 / 376 766
hartmann at wfnetz.de
------------------------------------------------------
Ausschlusserklärung (Disclaimer):
Über das Internet versandte E-mails können unter fremden Namen erstellt oder
manipuliert werden. Aus diesem Grund enthalten unsere mit E-mail verschickten
Nachrichten grundsätzlich keine rechtsverbindlichen Willenserklärungen.
More information about the opencms-dev
mailing list