[opencms-dev] Beginner completely lost
Shi Yusen
shiys at langhua.cn
Tue Sep 1 16:04:23 CEST 2009
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-----
> >> > Version: GnuPG v1.4.6 (MingW32)
> >> > 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
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> >> list, please
> >> > visit
> >> > http://lists.opencms.org/mailman/listinfo/opencms-dev
> >>
> >>
> >> _______________________________________________
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> >> please visit
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> >>
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> >>
> >>
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> >
> >
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