Huong Dan Java - Page 18 of 76 - Java development tutorials

Install PostgreSQL server using Docker

In this tutorial, I will show you how to install PostgreSQL server using Docker! We will use the docker run command to run a PostgreSQL Docker Image on Docker Hub https://hub.docker.com/_/postgres as follows:

docker run --name <container_name> -e POSTGRES_USER=<postgre_user> -e POSTGRES_PASSWORD=<postgre_password> -p 5432:5432 -v <mount_folder>:/var/lib/postgresql/data -d postgres:<tag>

1	docker run --name <container_name> -e POSTGRES_USER=<postgre_user> -e POSTGRES_PASSWORD=<postgre_password> -p 5432:5432 -v <mount_folder>:/var/lib/postgresql/data -d postgres:<tag>

Inside: — name <container_name> is the Docker container name that you… Read More

Custom authentication filter login without password in Spring Security

4 years ago by Khanh NguyenSpring Security

As I said in the tutorial about Overview about request processing in Spring Security, the UsernamePasswordAuthenticationFilter class is a filter that will take care of authentication in Spring Security and by default, the user’s username and password information will be used for the authentication process.… Read More

Generate public key and private key using KeyPairGenerator class in Java

4 years ago by Khanh NguyenJava Security

The RSA encryption algorithm uses a pair of public key and private key to implementing the security mechanism. Public key is used to encrypt information and private key is used to decrypt the information and vice versa. Java provides us with several classes to work… Read More

Custom login page using Bootstrap and Thymeleaf in Spring Security

4 years ago by Khanh NguyenSpring Security

Normally, we won’t use Spring Security’s default login page for applications deployed to production, you can guess why, right? This default login page for us to learn mainly. So to replace this default login page, how do we do? In this tutorial, I will guide… Read More

Using Spring Security in Spring Boot

4 years ago by Khanh NguyenSpring Security

I showed you how to install and configure to use Spring Security in Spring MVC applications. With Spring Boot application, configuring Spring Security will be much simpler. We do not need to go through each step to configure the authentication and authorization of the application.… Read More

Introduction about WebJars

4 years ago by Khanh NguyenWebJars

I don’t know how you guys work with Java web applications using front-end frameworks such as JQuery, Bootstrap, … but for me, the management and configuration to use these frameworks is sometimes a big problem. For example, using the Backbone.JS library, this library has a… Read More

Send private message with @SendToUser annotation in Spring WebSocket

4 years ago by Khanh NguyenSpring WebSocket

In the tutorial showing you how to implement WebSocket with Spring WebSocket, my example application will allow all clients to receive all messages when they subscribe to the endpoint, and in the tutorial about sending messages to a specific user, my example application allows the… Read More

Send STOMP message to a specific user with Spring WebSocket

4 years ago by Khanh NguyenSpring WebSocket

In the previous tutorial, I showed you how to implement WebSocket using Spring WebSocket. In the example of that post, all users subscribed to “/topic/messages” will receive messages published to this topic. In case you want to only send to a certain user, how? In… Read More

Implement WebSocket with Spring framework

4 years ago by Khanh NguyenSpring WebSocket

WebSocket is one of the Socket types, in short, for you to easily imagine WebSocket, it helps us to create a 2-way connection between server-side and client-side in any web application. Once the connection has been established, the client and server can exchange information, the… Read More

Using EclipseLink to replace Hibernate in Spring Data JPA Starter

4 years ago by Khanh NguyenSpring Boot

By default, when you use Spring Data JPA Starter in your Spring project, Hibernate will be the default implementation used. However, in some cases, you may not want to use this default implementation. For example, I’m converting this open source openid-connect https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server from Spring MVC… Read More