[opencms-dev] Beginner completely lost
Shi Yusen
shiys at langhua.cn
Tue Sep 1 17:33:13 CEST 2009
Um, you are right. Confucius (551 B.C. to 479 B.C.) said "Excellence in
Education for All" (有教无类 in Chinese).
More YouTube?
Regards,
Shi Yusen/Beijing Langhua Ltd.
在 2009-09-01二的 16:30 +0200，Marwan Ajraoui写道：
> Why you do not share your khnowledges about OpenCMS, OpenCMS LOVERS,
> doing some tutorial(s)?
> Will be really helpfull and usefull for many people. It is not worthy?
>
> cheers,
>
> Marouane
>
> 2009/9/1 Shi Yusen <shiys at langhua.cn>:
> > Achim,
> >
> > "In other words: With mod_rewrite you either shoot yourself in the foot
> > the first time and never use it again or love it for the rest of your
> > life because of its power."
> > (http://httpd.apache.org/docs/1.3/misc/rewriteguide.html)
> >
> > Replace "mod_rewrite" with "OpenCms", it's still right :).
> >
> > Cheers,
> >
> > Shi Yusen/Beijing Langhua Ltd.
> >
> >
> > 在 2009-09-01二的 15:43 +0200，a.westermann at alkacon.com写道：
> >> Hi Shi,
> >>
> >> your perspective reminds me on the following
> >> (http://httpd.apache.org/docs/1.3/mod/mod_rewrite.html):
> >>
> >> "The great thing about mod_rewrite is it gives you all the
> >> configurability and flexibility of Sendmail. The downside to mod_rewrite
> >> is that it gives you all the configurability and flexibility of Sendmail."
> >>
> >> I never had an OpenCms project where I had to say: "No this is not
> >> possible". In my beginnings with OpenCms I sure had to say: "I have to
> >> take a closer look".
> >>
> >>
> >> Kind Regards,
> >> Achim.
> >>
> >> -------------------
> >> Achim Westermann
> >>
> >> Alkacon Software GmbH - The OpenCms Experts
> >> http://www.alkacon.com - http://www.opencms.org
> >>
> >>
> >>
> >>
> >> Shi Yusen wrote:
> >> > I remembered there was a PPT on OpenCms's struture which made OpenCms
> >> > quite easy to understand. The main concept is something like this:
> >> >
> >> > 1. an HTTP request to servlet container such as Tomcat;
> >> > 2. The servlet container forwards the request to OpenCms;
> >> > 3. In OpenCms servlet, enter org.opencms.main.OpenCms first;
> >> > 4. org.opencms.main.OpenCms produces an CmsObject instance;
> >> > 5. The CmsObject instance contains the resource to visit and security
> >> > who visits;
> >> > 6. If the user has permissions to visit, using the loader of the
> >> > resource to load it to the response; if not, error in response.
> >> > 7. You can extend resource, loader, user, group, permission.
> >> >
> >> > Is it simple? Yes, if you know where to do the thing you want to.
> >> >
> >> > Is it simple? No, if you lost in OpenCms structure.
> >> >
> >> > My 2 cents,
> >> >
> >> > Shi Yusen/Beijing Langhua Ltd.
> >> >
> >> >
> >> > 在 2009-09-01二的 12:51 +0200，Pablo写道：
> >> >> Hi Gregor. I've been working with OpenCms for 6 months. I had to
> >> >> either develop an application with OpenCms or find another job. Some
> >> >> people love it. I still wonder why. If I had a choice I would run away
> >> >> from OpenCms and spend my time learning something else. You will need
> >> >> plenty of time to get familiar with OpenCms implementation and
> >> >> configuration.
> >> >> I am sorry if that is not what you or others like to hear. It is just
> >> >> another point of view.
> >> >>
> >> >>
> >> >> 2009/8/30 Paul-Inge Flakstad <flakstad at npolar.no>
> >> >> Hello Gregor!
> >> >>
> >> >> I was first introduced to OpenCms around 18 months ago. I came
> >> >> straight out of scool (where focus had been on OOP) and
> >> >> thinking back to that time, I had a lot of the same questions
> >> >> you do (although I knew I _had_ to learn OpenCms as it was
> >> >> already decided). What I did, was I didn't use OpenCms'
> >> >> template one/two. I set out to create stuff myself, in an
> >> >> effort to learn the system. Maybe not the best idea, but it
> >> >> certainly gave me some insight, relatively fast. Before long,
> >> >> I also read the book (OpenCms 7 Development), which helped me
> >> >> a lot. It may be the single most useful resource if you want
> >> >> to learn OpenCms, IMO.
> >> >>
> >> >> Now, I know there's not any good beginner guides out there.
> >> >> Such things are mostly scattered around the mailing list,
> >> >> forums and whatnot. But it isn't all that hard to build stuff
> >> >> from scratch. You'll just have to familiarize yourself a bit
> >> >> with OpenCms and its mechanics; templates, resource types,
> >> >> properties, collectors - and last but not least, modules. The
> >> >> hardest part for me was understanding the way templates work,
> >> >> since I wasn't too familiar with the concept of templates.
> >> >>
> >> >> I'd recommend you spend some days just setting up a test-site
> >> >> so you can fiddle around with these things. Being familiar
> >> >> with Java will help you, as you will be able to examine the
> >> >> docs. There are a lot of classes in OpenCms. Starting out,
> >> >> here are a handfull of the important ones (add the opencms.jar
> >> >> library in your IDE project):
> >> >> CmsJspActionElement / CmsJspXmlContentBean
> >> >> CmsObject
> >> >> CmsResource / CmsFile
> >> >>
> >> >> and also:
> >> >> OpenCms (in org.opencms.main)
> >> >> CmsProperty
> >> >> (CmsJspNavElement)
> >> >>
> >> >> Also, you should read anything about "creating structured
> >> >> content", "defining custom xmlcontent" and so on. Structured
> >> >> content (also called xmlcontent, which is the "general type
> >> >> name" OpenCms uses for all types of structured content) is a
> >> >> simple way for you to define your own (structured) resource
> >> >> types. You do the definition using one or more XSDs, and this
> >> >> is explained several places online and also in the book. This
> >> >> is perhaps a more advanced topic, often involving the creation
> >> >> of a new module, but I would not wait with this. It is
> >> >> essential if you're thinking of building stuff from scratch
> >> >> rather than using OpenCms' template one/two.
> >> >>
> >> >> I hope you do not ditch OpenCms. It is really a great tool,
> >> >> and my bet is you'll enjoy it once you get to know it. Ask
> >> >> your specific questions here on the mailing list, and I'm sure
> >> >> we'll try to help you along. :)
> >> >>
> >> >> Cheers,
> >> >> Paul
> >> >> ________________________________________
> >> >> Fra: opencms-dev-bounces at opencms.org
> >> >> [opencms-dev-bounces at opencms.org] på vegne av Florian
> >> >> Heinisch [florian.heinisch at 3kraft.com]
> >> >> Sendt: 28. august 2009 18:13
> >> >> Til: The OpenCms mailing list
> >> >> Emne: Re: [opencms-dev] Beginner completely lost
> >> >>
> >> >>
> >> >> Hi Gregor,
> >> >>
> >> >> apparently you feel the same way I did when I started with
> >> >> OpenCMS.
> >> >> Except of you already have read the OpenCMS book ;-)
> >> >> Well, IMHO OpenCMS has a really steep learning curve. As the
> >> >> standard
> >> >> installation of OpenCMS provides a lot of features it might
> >> >> not that
> >> >> easy to grasp every little detail of OpenCMS at the very
> >> >> beginning.
> >> >> I fully agree with you the documentation that comes along with
> >> >> OpenCMS
> >> >> is not very beginner-friendly. And as far as I know there is
> >> >> no
> >> >> complete "how-to-build-a-website-from-scratch" tutorial.
> >> >> You'll have
> >> >> to grab all the necessary information from different sources.
> >> >>
> >> >> Nevertheless, if you are firm with Java and the concept of a
> >> >> J2EE web
> >> >> application you should be able to get your website up and
> >> >> running with
> >> >> OpenCMS.
> >> >> Therefore, I would suggest you'll do the following:
> >> >> 1. Install OpenCMS with all the template2 modules
> >> >> 2. Follow the instructions in the OpenCMS book to setup your
> >> >> development environment (Eclipse) with WebDAV for efficient
> >> >> development
> >> >> 3. Develop a template from scratch as described in the OpenCMS
> >> >> book in
> >> >> order to convert your website layout into a OpenCMS template
> >> >> 4. Have a look at the existing content types (such as Article,
> >> >> News,
> >> >> etc.) that come along with the standard OpenCMS installation
> >> >> (template2). For the case that these content types do not fit
> >> >> your
> >> >> needs, develop your own (also described in the book and in the
> >> >> OpenCMS
> >> >> wiki).
> >> >>
> >> >> That's it basically. Feel free to share your problems with the
> >> >> mailing
> >> >> list for the case that topic was not discussed yet :)
> >> >> If you'll drop OpenCMS in favor of another open source
> >> >> Java-based CMS
> >> >> please let me know which one and for what reason (personal
> >> >> interest).
> >> >>
> >> >> Good luck,
> >> >>
> >> >> Florian
> >> >>
> >> >>
> >> >>
> >> >> On Aug 28, 2009, at 5:39 PM, Gregor Schneider wrote:
> >> >>
> >> >> > -----BEGIN PGP SIGNED MESSAGE-----
> >> >> > Hash: SHA1
> >> >> >
> >> >> > Hi there,
> >> >> >
> >> >> > I'm looking for an CMS in Java since due to our
> >> >> security-policy PHP is
> >> >> > not an option, and we don't know our ways aorund in Perl.
> >> >> >
> >> >> > Therefore, OpenCMS is (was?) one of our candidates, and has
> >> >> been my
> >> >> > personal favourite until I started testing.
> >> >> >
> >> >> > Giving you some background-information:
> >> >> >
> >> >> > Installation 1:
> >> >> >
> >> >> > - - OS: Debian Edge
> >> >> > - - DB. MySQL 5
> >> >> > - - Java: SUN JDK 1.6
> >> >> > - - Webserver: Tomcat 6
> >> >> >
> >> >> > Installation 2:
> >> >> >
> >> >> > - - OS: Windows XP
> >> >> > - - DB: MySQL 5
> >> >> > - - Java: SUN JDK 1.6
> >> >> > - - Webserver: Tomcat 6
> >> >> >
> >> >> > On both installations I'm using OpenCMS 7.5
> >> >> >
> >> >> > Myself:
> >> >> >
> >> >> > I know my ways around in Java, JSPs, Servlets,
> >> >> Tomcat-Administration,
> >> >> > so there should hopefully not be any lack of knowledge of
> >> >> essential
> >> >> > components
> >> >> >
> >> >> > However:
> >> >> >
> >> >> > After having set up OpenCMS, all the questions began:
> >> >> >
> >> >> > - - Where's the documentation?
> >> >> > - - Where's any sort of a good tutorial?
> >> >> > - - How do i...?
> >> >> >
> >> >> > I have to setup a complete new webpage, so just editing the
> >> >> > demo-applications doesn't help at all.
> >> >> >
> >> >> > What I'm really, really missing is a step-by-step-howto
> >> >> showing the
> >> >> > following:
> >> >> >
> >> >> > All tutorials / books I read just start somewhere in between
> >> >> showing
> >> >> > how to hack into existing pages, but not how to set up a new
> >> >> site from
> >> >> > scratch.
> >> >> > And yes, I looked into the Wiki, however, the points of
> >> >> interest don't
> >> >> > contain anything but a headline.
> >> >> >
> >> >> > Currently I feel that OpenCMS is one of those really bad
> >> >> examples of
> >> >> > an OpenSource-project, where the code is the docs. Ok, I'm
> >> >> exagerating
> >> >> > a bit.
> >> >> >
> >> >> > So if anybody could give me a piece of advice how to set up
> >> >> a new page
> >> >> > incl. new templates, how to start, what's the best practices
> >> >> etc., I'd
> >> >> > really, really appreciate this.
> >> >> >
> >> >> > My other option is to dump OpenCMS as a cms for our company,
> >> >> which I
> >> >> > really dislike, however, currently that seems to be the most
> >> >> likely
> >> >> > option.
> >> >> >
> >> >> > And yes, Ive read
> >> >> >
> >> >> > - - http://opencmsnewbie.netfirms.com/
> >> >> > - - http://www.opencms-wiki.org
> >> >> >
> >> >> > The book from Packt Publishing: OpenCms.7.Development
> >> >> (Apr.2008)
> >> >> >
> >> >> > Again, any hints are really, really appreciated.
> >> >> >
> >> >> > Cheers
> >> >> >
> >> >> > Gregor
> >> >> > - --
> >> >> > just because your paranoid, doesn't mean they're not after
> >> >> you...
> >> >> > gpgp-fp: 79A84FA526807026795E4209D3B3FE028B3170B2
> >> >> > gpgp-key available
> >> >> > @ http://pgpkeys.pca.dfn.de:11371
> >> >> > @ http://pgp.mit.edu:11371/
> >> >> > skype:rc46fi
> >> >> >
> >> >> > -----BEGIN PGP SIGNATURE-----
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> >> >> > Comment: Use GnuPG with Firefox : http://getfiregpg.org
> >> >> (Version:
> >> >> > 0.7.8)
> >> >> >
> >> >> > iD8DBQFKl/nr07P+AosxcLIRAthcAKCGEKdZyfUMv5vLb7vRryWOeC
> >> >> +WBwCbBePo
> >> >> > hHHNNHTgcPbgqcSvgOVNBMA=
> >> >> > =dMGb
> >> >> > -----END PGP SIGNATURE-----
> >> >> >
> >> >> > _______________________________________________
> >> >> > This mail is sent to you from the opencms-dev mailing list
> >> >> > To change your list options, or to unsubscribe from the
> >> >> list, please
> >> >> > visit
> >> >> > http://lists.opencms.org/mailman/listinfo/opencms-dev
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> This mail is sent to you from the opencms-dev mailing list
> >> >> To change your list options, or to unsubscribe from the list,
> >> >> please visit
> >> >> http://lists.opencms.org/mailman/listinfo/opencms-dev
> >> >>
> >> >> _______________________________________________
> >> >> This mail is sent to you from the opencms-dev mailing list
> >> >> To change your list options, or to unsubscribe from the list,
> >> >> please visit
> >> >> http://lists.opencms.org/mailman/listinfo/opencms-dev
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> This mail is sent to you from the opencms-dev mailing list
> >> >> To change your list options, or to unsubscribe from the list, please visit
> >> >> http://lists.opencms.org/mailman/listinfo/opencms-dev
> >> >
> >> >
> >> > _______________________________________________
> >> > This mail is sent to you from the opencms-dev mailing list
> >> > To change your list options, or to unsubscribe from the list, please visit
> >> > http://lists.opencms.org/mailman/listinfo/opencms-dev
> >>
> >> _______________________________________________
> >> This mail is sent to you from the opencms-dev mailing list
> >> To change your list options, or to unsubscribe from the list, please visit
> >> http://lists.opencms.org/mailman/listinfo/opencms-dev
> >
> >
> > _______________________________________________
> > This mail is sent to you from the opencms-dev mailing list
> > To change your list options, or to unsubscribe from the list, please visit
> > http://lists.opencms.org/mailman/listinfo/opencms-dev
>
>
>
> --
> Marouane
>
> _______________________________________________
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