Author: Rohan Mutyal

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Spring Boot Rest Authentication with JWT

Reading Time: 6 minutes In this tutorial, we will create a simple Spring boot application that uses the JWT authentication to protect a REST API. For this, we use Spring security and web configuration for the token generation. In this, we create an example that uses the REST POST/GET API to generate the JWT token, and the user who has the valid token they only have able to access Continue Reading

Running SQL on Marklogic Server

Reading Time: 4 minutes This blog will show how we can use SQL statements in the MarkLogic server. Let us start with creating a schema and required databases. Create Schema Database and SQL database – For the SQL on Marklogic Server creation follow the below process – Every SQL database must have its own separate schema database. Open the browser with the admin credentials http://hostname : 8000 the hostname Continue Reading

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Spring Data JPA Transaction Management

Reading Time: 3 minutes Spring Data JPA Transaction Management : A Spring Data JPA Transaction Management has a sequence of actions that are bundled as a single piece of work. It is an important part of RDMBS-oriented applications to ensure data consistency and integrity. The transaction is a set of SQL statements that is naturally automatic in nature to manage the data. It has the following four key properties Continue Reading

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How to connect the Spring data to Marklogic

Reading Time: 2 minutes Implementation Spring Data MarkLogic : An implementation of the Spring Data MarkLogic NoSQL database that supports the following features: Spring configuration support using Java-based @Configuration classes MarkLogicTemplate helper class for common MarkLogic operations. Integrated object mapping between documents and POJOs (using Jackson by Default). Exception translation into Spring’s portable Data Access Exception hierarchy Automatic implementation of Repository interfaces including support for custom finder methods. How Continue Reading

Introduction to Liferay

Reading Time: 3 minutes Liferay is Portlet technology which follows the JSR 168 and JSR 286 Complaints. Liferay is very good to open source for portlet technology have a very good working group and community. Portlet technology is similar to servlet technology but portlet is a small part of dynamic content on the web page. In a normal web application when we send a request the server serves the response Continue Reading

Google Cloud Virtual Private Cloud – VPC

Reading Time: 3 minutes Virtual Private Cloud – VPC provides networking functionality for the cloud-based resources and services that is global, scalable, and flexible. What is the Virtual Private Cloud – VPC network in GCP? A VPC network is a global resource that consists of a list of regional virtual subnetworks (subnets) in data centers, all connected by a global wide area network. VPC networks are logically isolated from each Continue Reading

Get familiar with Powerful Google Cloud Identity and Access Management

Reading Time: 3 minutes What is Google Cloud Identity and Access Management? Google Cloud Identity and Access Management is a web service. It gives cloud administrators the authority to decide “Who can do What on Which resources”. Individual members have the below types Who – It defines a member who accesses the resources in Google Cloud. The accesses and permissions are given to the Member. It can be an individual Continue Reading

Functional Interfaces in Java 8

Reading Time: 4 minutes What is Functional Interface in Java 8 ? A functional interface is an interface that consists of one abstract method. These interfaces can show only one functionality. Beyond Java 8, lambda expressions can be used to represent the instance of a functional interface. Functional Interfaces can contain any number of static and default methods. Consumer, Predicate, Function, Unary Operator, Binary Operator are some of the examples of predefined functional interfaces. Continue Reading

AWS EC2 Instance

Reading Time: 4 minutes What is Amazon EC2 Instance? An Amazon EC2 instance is a virtual server in Amazon’s Elastic Compute Cloud (EC2) for running applications on the Amazon Web Services (AWS) infrastructure. AWS is a comprehensive, evolving cloud computing platform; EC2 is a service that enables business subscribers to run application programs in the computing environment. It can serve as a practically unlimited set of virtual machines (VMs). Continue Reading