Create A Custom Post Login Action in Liferay DXP 7.1

While working in the Liferay DXP 7.1 environment, we often need to perform a certain action when a user logs in to the Liferay server. To achieve this, we need to programmatically perform some action when a user logs in. I have put together the steps which would help a Liferay practitioner perform that action and save the development time.

To give you a small example, suppose, we want to send an email notification to the admin when a user logs in to the Liferay server. By implementing the steps mentioned in this blog, the same can be achieved.

Prerequisites:

1) Java 1.8
It can be downloaded from https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

2) Liferay DXP 7.1 bundled with tomcat.

It can be downloaded from https://www.liferay.com/products/dxp/trial-download

3) Eclipse/Liferay Developer Studio (For reference here I am using eclipse toolbar)
Proceed with the following step by step procedure to create your Liferay DXP 7.1 CustomLoginAction action.

1) Once you are done with above-mentioned prerequisites and have completed basic Liferay Environment Setup, your screen should look like the below-mentioned image.

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2) In Eclipse select Liferay as your current perspective.

3) Go to File->New->Liferay Work Space Project and enter details as shown in the below image.

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4) Click Finish after entering details and your newly created Liferay workspace project structure should look like the image below.

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Once you’re done with the basic Liferay project workspace setup, you need to create a module containing your custom login action that could be deployed in your Liferay DXP Server later.

5) Right-click on CustomLoginAction project go to New->Liferay Module Project and enter details as shown below image.

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6) Again, click Finish after entering details and your newly created Liferay module project structure should look at something as shown in the below image.

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Once you’re ready with the deployable module you would need to implement some service class inside the module that would be responsible for your custom login desired action.

7) Again, right-click on DemoModule go to New->Liferay Component Class select Login Pre Action from the Component Class Template dropdown, and select Finish as shown in the below image.

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8) After selecting Finish, your screen should appear as shown in the below image.

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9) Now implement some custom post login action in your class Component section where it is mentioned pre property = {“key=login.events.pre”}, simply change it to {“key=login.events.post”} and your class should look as shown in the below image.

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Now you can deploy this module. Log in to your Liferay environment and you will be able to see your CustomLoginAction Service Class S.O.P in your console as shown in the below image.

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