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Liferay: How to create a organization programatically?

I am well versed with the liferay portal. But i dont know how do i create a organization when it comes to programming through liferay developer studio. Can it be done through a hook?. For now i have a project available in which i have created a hook. Which interface should i implement and what all classes should i be using it. What i have done till now?
I have gone through this link which makes us understand about the methods but the approach required is missing. I couldnt find it anywhere(basics and approach of creating org through program). What are the entries that i have to make in liferay-hook.xml?
I am a beginner and any guidance is much appreciated. Many thanks in advance.

Liferay provides Utility classes, which are usable/callable outside the ROOT context of the server.
Generally you can find those classes with following post-fix: entity-name-ServiceUtil
For Organization you have OrganizationLocalServiceUtil, which have related methods e.g. OrganizationLocalServiceUtil.addOrganization(...)
to add the organization.
If you want to try this thing out, create a simple liferay portlet and check the method.
One can use these methods in HOOK, Portlet or Ext depending on the use-case.

#Shirish You can use liferay utility classes anywhere like inside hook,ext ...etc.
Here you want to create organization inside hook, which you can accomplish using utility class OrganizationServiceUtil in following way.
ServiceContext serviceContext = ServiceContextFactory.getInstance(request); //or null
Organization organization = OrganizationServiceUtil.addOrganization(
OrganizationConstants.DEFAULT_PARENT_ORGANIZATION_ID,
organizationName,
OrganizationConstants.TYPE_REGULAR_ORGANIZATION,
RegionConstants.DEFAULT_REGION_ID,
CountryConstants.DEFAULT_COUNTRY_ID,
ListTypeConstants.ORGANIZATION_STATUS_DEFAULT,
"",
false,
serviceContext
);
You can also create organization using Utility class 'OrganiztionLocalServiceUtil' in following way.
OrganiztionLocalServiceUtil.addOrganization(
long userId, long parentOrganizationId, String name, String type,
boolean recursable, long regionId, long countryId, int statusId,
String comments, boolean site, ServiceContext serviceContext);

Custom Post Login class in Liferay is not invoked

I'm a newbie in Liferay and I'm creating a hook to authenticate using a expando column instead of an email address.
My authentication class works fine, but one problem still remains:
After a successful authentication, I must redirect the page to the user's public or private page (any of theese is enough for me)
I followed the common of instructions for this on any forum on Internet:
Create a class that extends com.liferay.portal.kernel.events.Action and do the logic there. In my case, my class is named CustomPostLoginAction
Modify portal.properties adding the entries
login.events.post=com.liferay.sample.hook.action.CustomPostLoginAction
auth.forward.by.last.path=true
default.landing.page.path=/web/guest/home
Redeploy and "voilá"
When I reboot my web server, everything is fine, but when I run my hook using any browser, once I get successfully authenticated, it stills showing me the default login error messages. When I check my console, I found that my action class is never called and no special action is executed after my authentication class. So I have the following questions:
Where can I found an example to class to be used as a value for the property "auth.pipeline.post" if needed?
On the method authenticateByEmailAddress on my authentication class, the last argument is a java.util.Map containing parameters like "doActionAfterLogin", "redirect", "structsAction", etc. Do I get something if I assign values to those keys on that map? If yes, where can I found an example of valid values to assign to each one of them?
Do I have to change something in my custom login page? (it works, but still I have to ask this)
Is it necessary to work with the class DefaultLandingPageAction? If yes, how can I do it? Because I have only the portal's bytecodes (.class)
And most important: What am I doing wrong?
For the record:
I'm using Liferay 6.1 bundle with Tomcat 7 and SDK included with Liferay's default database.
If any of you need to watch any of my source code and/or properties files, just let me know and I will publish them.
Thanks in advance to all of you.

I can't add a comment to your original post so I'm gonna have to post an answer to ask you for some additional information (will update my answer accordingly).
Did you modify portal.properties directly or did you create a new portal.properties inside your hook?
Once you extended com.liferay.portal.kernel.events.Action, did you override the run method?

Alternatives to encode URL

I am trying to encode input form data here. There are two options and I have tried both of them:
Use URLencoder.encode(inputString) method which does not work on GWT client side (My code resides in client module) Results in error 'Did you forget to inherit required module?'
URL.encodeQueryString(inputString) which works well, But when I run relevant test cases using JUnit, all I get is unsatisfiedlinkederror
Are there any alternatives for encoding method or is there any work around for above mentioned methods?

For your second option :
GWT uses modules and needs to be compiled, which is different than running a simple JUnit test. Take a look at http://www.gwtproject.org/doc/latest/DevGuideTesting.html, they explain how to setup JUnit test.

Just use the URL class and its methods:
URL.encode(String decodedURL)
URL.encodeQueryString(String decodedURLComponent)
Do not forget to inherit the required module <inherits name="com.google.gwt.http.HTTP"/>.

For URL building, I use the "UrlBuilder": com.google.gwt.http.client.UrlBuilder
UrlBuilder u = new UrlBuilder();
u.setProtocol("https");
u.setHost("www.mysite.com:8080");
u.setPath("/myServletPath");
u.setParameter("username", nameField.getValue());
u.setParameter("someAttribute", "itsValue");
u.buildString();
This code will result in:
https://www.mysite.com:8080/myServlet?username=GWT%20User&someAttribute=itsValue

Add Freemarker support to customized JSP tag

I have a customized JSP tag library with a Java class (extending TagSupport) that generates the output for my web application. It has some parameters that are formed into HTML code using a StringBuilder.
Now the generated HTML is becoming more complex and hard to handle with calls of StringBuilder.append, so I'd like to replace the code generation with a Freemarker template.
I already found out that I could use a generic Struts component tag instead, because the Struts tags already use Freemarker template files, so I could write a tag like:
<s:component template="/components/myStruct.ftl">
<s:param name="myParam" value="%{'myParam'}" />
</s:component>
Then writing the specified template file myStruct.ftl would probably solve my problem. I actually did not try if Struts really finds and uses that file correctly, but I optimistically expect it to work.
My question is, if it's also possible to retain the current code with the customized tag
<my:struct param="myParam" />
and only change the Java class linked to that tag.
I've found code that reads a Freemarker template:
Configuration config = FreemarkerManager.getInstance().getConfiguration(pageContext.getServletContext());
config.setServletContextForTemplateLoading(pageContext.getServletContext(), "/components");
Template templ = config.getTemplate("myStruct.ftl");
templ.process(params, pageContext.getOut());
but it seems very circuitously to me and I wondered what would be the "standard" way to do it. Additionally it seemed that you cannot use tags from the Struts tag library in a template used like this. (I ran into an ArrayIndexOutOfBoundException, caused by Sitemesh... I did not analyze it yet.)
My intention was to keep the Java class as some kind of wrapper around the Struts component tag. Maybe somthing like:
OgnlValueStack stack = TagUtils.getStack(pageContext);
Component c = new Component(stack);
c.addParameter("param", param);
But I don't know how to continue this code stub. It may be crap anyway.
Is there an easy/"standard" way to do this or do I simply have to get rid of the customized tag?
Thanks in advance.

A friend of mine sent me this link:
http://cppoon.wordpress.com/2013/02/27/how-to-create-a-struts-2-component-with-freemarker/
This is what I was looking for. The gist is to change the customized tag to not extend TagSupportbut AbstractUITag which makes it a Struts tag instead of a JSP tag, roughly speaking.
This enables the automatic linkage (by name and path conventions) to my Freemarker template. I basically followed the instructions on that page. I only added the methods that are abstract in the super class, so they had to be implemented.
IMO the site lacks of a description of how the UI bean class is linked to the tag class. But as the IDE forces you to implement the getBean method inside the tag class, you quickly get to this code (using the classes described on that site):
#Override
public Component getBean(OgnlValueStack stack, HttpServletRequest request, HttpServletResponse response)
{
Pagination pagination = new Pagination(stack, request, response);
pagination.setList(list);
return pagination;
}
This might not be completely correct for the recent Struts, but it worked for the ancient version I've got to use.
Thanks again to the guy who sent me the link :)

GRAILS: method for permalink/slug generation?

Does anybody have a quick method to generate slugs and permalinks in Grails 1.3.7/2.0.0.RC1?
The main restriction: this method should work with non-latin characters.
Russian/bulgarian cirillic, deutsch umlauts etc...
Any suggestions ?

Grails 2.0.0.RC1
From the 2.0.0.RC1 docs:
Link Generation API
A general purpose LinkGenerator class is now available that is usable
anywhere within a Grails application and not just within the context
of a controller. For example if you need to generate links in a
service or an asynchronous background job outside the scope of a
request:
LinkGenerator grailsLinkGenerator
def generateLink() { grailsLinkGenerator.link(controller:"book", action:"list") }
Although it's not stated explicitly, I assume the reference to grailsLinkGenerator is obtained via dependency injection
Grails 1.3.7
You can use either the createLink or resource tags to generate links. If you're generating permalinks, I assume you'll want these to be absolute URLs. If so, you'll need to use either the absolute or base attribute when using these tags.
If you use the absolute attribute, be sure to set the value of grails.serverURL in Config.groovy
Link Permanence
The text above describes how to generate links to resources in a Grails application, but doesn't say anything about how to make these links permanent. AFAIK, the link to a resource will always remain the same as long as you don't change anything that is used in the URL mapping scheme (as defined in UrlMappings.groovy)
By default the URL mapping scheme uses
the resource's ID
the controller name
the action name
So if you never change these for the links of interest, you should be good.

As easy as:
title.replaceAll("[\\W]+", "-")
That makes it.