SpringBoot – Upload/Download MultipartFile to FileSystem – Bootstrap 4 + JQuery Ajax

In the tutorial, we guide how to build a SpringBoot web-application to Upload/Download MultipartFile to FileSystem using Bootstrap 4 & JQuery Ajax.

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Firebase Cloud Messaging – XMPP Server example to receive Upstream Messages | Spring Integration

In the article Firebase Cloud Messaging – How to Send Upstream Messages, we have created an Android App that can send Upstream Messages. Today, we’re gonna look at way to create a Spring Boot Application Server that can receive those Upstream Messages with Spring Integration.

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Firebase Cloud Messaging – How to Send Upstream Messages | Android
How to start Spring Integration with Spring Boot

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RabbitMQ – How to send/receive Java object messages with Spring RabbitMq | SpringBoot

In the previous posts, Spring RabbitMQ applications had produced/consumed String messages. Today, JavaSampleApproach will guide how to send/receive Java object messages with RabbitMQ server.

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RabbitMQ – How to create Spring RabbitMQ Producer/Consumer applications with SpringBoot
SpringBoot RabbitMQ Topic Exchange
SpringBoot RabbitMq Headers Exchange

[Continue reading…] “RabbitMQ – How to send/receive Java object messages with Spring RabbitMq | SpringBoot”

Firebase Cloud Messaging – How to Send Upstream Messages | Android

In some Firebase Cloud Messaging tutorials, we have known way to receive Messages. Today we’re gonna look at how to send Upstream Messages from an Android Client App.

Related Post: Firebase Cloud Messaging – XMPP Server example to receive Upstream Messages | Spring Integration

[Continue reading…] “Firebase Cloud Messaging – How to Send Upstream Messages | Android”

RabbitMq – How to create Spring RabbitMq Publish/Subcribe pattern with SpringBoot

In the tutorial, JavaSampleApproach will guide how to create Spring RabbitMq Publish/Subcribe pattern by using fanout exchanges of RabbitMq and SpringBoot.

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How to start Spring Kafka Application with Spring Boot
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RabbitMQ – How to send/receive Java object messages with Spring RabbitMq | SpringBoot
SpringBoot RabbitMQ Topic Exchange
SpringBoot RabbitMq Headers Exchange

[Continue reading…] “RabbitMq – How to create Spring RabbitMq Publish/Subcribe pattern with SpringBoot”

RabbitMQ – How to create Spring RabbitMQ Producer/Consumer applications with SpringBoot

RabbitMQ is one of the most popular open source message broker which meets high-scale, high-availability requirements. So in the tutorial, JavaSampleApproach will guide how to create Spring RabbitMQ Producer/Consumer applications by SpringBoot.

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How to use Spring JMS with ActiveMQ – JMS Consumer and JMS Producer | Spring Boot
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RabbitMq – How to create Spring RabbitMq Publish/Subcribe pattern with SpringBoot
RabbitMQ – How to send/receive Java object messages with Spring RabbitMq | SpringBoot
SpringBoot RabbitMq Headers Exchange

[Continue reading…] “RabbitMQ – How to create Spring RabbitMQ Producer/Consumer applications with SpringBoot”

Firebase Cloud Messaging – Spring Server to Push Notification Example | Spring Boot

In the article Firebase Cloud Messaging – How to Subscribe TOPIC & Receive Messages | Android, we have created an Android App that can subscribe/unsubscribe specific TOPIC and receive Message Data, but we used Firebase Notification Console GUI to generate Notification. Today, we’re gonna look at way to create a Spring Boot Application Server that can make message and push notification to Android Client via Firebase.

Related Post: Firebase Cloud Messaging – XMPP Server example to receive Upstream Messages | Spring Integration

[Continue reading…] “Firebase Cloud Messaging – Spring Server to Push Notification Example | Spring Boot”

Spring Data Rest – How to create a RestAPIs with JPA One-to-Many relational entities | SpringBoot + MySql + HAL Browser

In the tutorial, JavaSampleApproach will guide how to build a Spring Data Rest application for Jpa One-To-Many relational entities with SpringBoot.

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Spring Data Rest – How to create a RestAPIs with JPA Many-to-Many relational entities | SpringBoot + MySql + HAL Browser
How to access MySQL database with Spring Data Rest application
How to configure Spring JPA One to Many Relationship – SpringBoot

[Continue reading…] “Spring Data Rest – How to create a RestAPIs with JPA One-to-Many relational entities | SpringBoot + MySql + HAL Browser”

Firebase Cloud Messaging – How to Subscribe TOPIC & Receive Messages | Android

FCM Topic Messaging helps us to send a message to multiple devices that have subscribed to a particular TOPIC. We compose topic messages, then FCM handles routing and delivering the messages to devices. In this tutorial, we’re gonna look at way to subscribe TOPIC, receive Messages, then unsubscribe in an Android App Client.

Related Post: Firebase Cloud Messaging – Spring Server to Push Notification Example | Spring Boot

[Continue reading…] “Firebase Cloud Messaging – How to Subscribe TOPIC & Receive Messages | Android”

Firebase Cloud Messaging – How to Receive Messages | Android

Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that help us deliver messages reliably at no cost. In this tutorial, we’re gonna look at way to receive Messages in an Android App using FCM.

[Continue reading…] “Firebase Cloud Messaging – How to Receive Messages | Android”

How to use HAL Browser with Spring Data Rest | SpringBoot + MySQL

In the previous post, we had learned how to create a Spring Data Rest application, and use Postman to navigate arround restAPIs. Are there any tools good for interacting with Spring Data Rest application? -> Yes, Hal Browser is an useful tool for development by using it to follow the restfulAPIs, modify and create a new resource. So in the tutorial, JavaSampleApproach shows how to use Hal Browser with Spring Data Rest.

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How to access MySQL database with Spring Data Rest application
Spring Data Rest – How to create a RestAPIs with JPA One-to-Many relational entities | SpringBoot + MySql + HAL Browser

[Continue reading…] “How to use HAL Browser with Spring Data Rest | SpringBoot + MySQL”

How to integrate Firebase into Android App – Android Studio

Firebase is a mobile and web application development platform developed by Google. We can build our apps very fast, without making complex back-end system. It helps to scale automatically, for even the largest apps. In this tutorial, we’re gonna go through the steps to integrate Firebase into Android App with Android Studio Enviroment.

[Continue reading…] “How to integrate Firebase into Android App – Android Studio”

How to access MySQL database with Spring Data Rest application

Spring Data REST is a combination between Spring HATEOAS and Spring Data JPA. So in the tutorial, JavaSampleApproach show you way to create a Spring Data Rest application to manipulate data with MySQL.

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How to build SpringBoot MongoDb RestfulApi
How to use HAL Browser with Spring Data Rest | SpringBoot + MySQL
Spring Data Rest – How to create a RestAPIs with JPA One-to-Many relational entities | SpringBoot + MySql + HAL Browser

[Continue reading…] “How to access MySQL database with Spring Data Rest application”

ActiveMq – How to work with Spring JMS ActiveMq Topic (Publisher-Subcribers pattern) using SpringBoot

The previous tutorials, We had learned how to create a Spring JMS applications for working with ActiveMq Queue. In the tutorial, JavaSampleApproach will guide you how to create Spring JMS applications for working with ActiveMq Topic.

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How to use Spring JMS with ActiveMQ – JMS Consumer and JMS Producer | Spring Boot
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ActiveMq – Explicitly configure Spring ActiveMq ConnectionFactory with SpringBoot
How to resolve Json Infinite Recursion problem when working with Jackson

[Continue reading…] “ActiveMq – How to work with Spring JMS ActiveMq Topic (Publisher-Subcribers pattern) using SpringBoot”

Spring Jms ActiveMq – How to send Java object messages to ActiveMQ server (specially with Bi-Directional relationship Java objects)

The previous Spring ActiveMQ tutorials, We had learned How to produce and consume JMS messages with String format and configure Explicity ActiveMq ConnectionFactory. But How to send Java object messages to ActiveMQ server? With the tutorial, JavaSampleApproach will show you how to produce/consume Java object messages with Spring JMS ActiveMq for both case: normal Java objects and complex Java objects with Bi-directional relationship.

Related posts:
How to use Spring JMS with ActiveMQ – JMS Consumer and JMS Producer | Spring Boot
ActiveMq – Explicitly configure Spring ActiveMq ConnectionFactory with SpringBoot
How to resolve Json Infinite Recursion problem when working with Jackson
ActiveMq – How to work with Spring JMS ActiveMq Topic (Publisher-Subcribers pattern) using SpringBoot

[Continue reading…] “Spring Jms ActiveMq – How to send Java object messages to ActiveMQ server (specially with Bi-Directional relationship Java objects)”

ActiveMq – Explicitly configure Spring ActiveMq ConnectionFactory with SpringBoot

In the past tutorial, we had learned how to start a Spring JMS ActiveMQ application with auto-configured ConnectionFactory by SpringBoot.
But in the software development, there’re many cases that we need to override the ContainerFactory, so How to do it? JavaSampleApproach makes the tutorial to guide how to explicitly configure Spring ActiveMQ ConnectionFactory.

Related posts:
How to use Spring JMS with ActiveMQ – JMS Consumer and JMS Producer | Spring Boot
How to start Spring Kafka Application with Spring Boot
Spring Jms ActiveMq – How to send Java object messages to ActiveMQ server (specially with Bi-Directional relationship Java objects)
ActiveMq – How to work with Spring JMS ActiveMq Topic (Publisher-Subcribers pattern) using SpringBoot

[Continue reading…] “ActiveMq – Explicitly configure Spring ActiveMq ConnectionFactory with SpringBoot”

WebSocket – Create Spring WebSocket Application with SpringBoot + SockJS + STOMP

The WebSocket protocol provides new capability for web applications: full-duplex, two-way communication. So in the system where the client and server need to exchange data at high frequency and with low latency, WebSocket is the best solution. That is the reason for us to create a Spring WebSocket Application with JavaSampleApproach.

Related Post: Spring Boot WebSocket with Angular 5 Client | SockJS + STOMP

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