我的名片

网名:轻舞肥羊

职业:Java Python 架构 PM

现居:武汉

企鹅号:43131588

  • Spring Boot Thymeleaf Configuration Example

    Spring Boot Thymeleaf Configuration Example

    This tutorial demonstrates how to configure Spring Boot and Thymeleaf. We are creating a simple Spring Boot Thymeleaf Example. In this example we configure Spring Boot using application.yml file and place the Thymeleaf templates in the src/main/resources/templates folder. We also utilise org.webjars to load static resources like bootstrap and jquery.

    轻舞肥羊2019-08-10[Java]

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  • Spring Kafka Consumer and Producer Example

    Spring Kafka  Consumer and Producer Example

    This tutorial demonstrates how to send and receive messages from Spring Kafka. We start by creating a Spring Kafka Producer which is able to send messages to a Kafka topic. Next we create a Spring Kafka Consumer which is able to listen to messages send to a Kafka topic. We configure both with appropriate key/value serializers and deserializers. Finally we demonstrate the application using a simple Spring Boot application.

    轻舞肥羊2019-08-10[Java]

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  • Spring Kafka Adding Custom Header to Kafka Message Example

    In this tutorial we demonstrate how to add/read custom headers to/from a Kafka Message using Spring Kafka. We start by adding headers using either Message<?> or ProducerRecord<String, String>. Followed by reading the values inside the KafkaListener using @Header annotation and MessageHeaders class.

    轻舞肥羊2019-08-10[Java]

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  • Spring Kafka JSON Serializer and Deserializer Example

    The following tutorial demonstrates how to send and receive a Java Object as a JSON byte[] to and from Apache Kafka using Spring Kafka, Spring Boot and Maven. We’ll send a Java Object as JSON byte[] to a Kafka Topic using a JsonSerializer. Afterwards we’ll configure how to receive a JSON byte[] and automatically convert it to a Java Object using a JsonDeserializer.

    轻舞肥羊2019-08-10[Java]

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  • Spring Kafka Batch Listener Example

    In the following tutorial we demonstrate how to setup a batch listener using Spring Kafka, Spring Boot and Maven. We start by configuring the BatchListener. You can optionally configure a BatchErrorHandler. We also demonstrate how to set the upper limit of batch size messages. When we receive messages we also have the possibility of grabbing header values for individual messages.

    轻舞肥羊2019-08-10[Java]

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  • Spring Kafka and Spring Boot Configuration Example

    In the following tutorial we demonstrate how to configure Spring Kafka with Spring Boot. Spring Boot uses sensible default to configure Spring Kafka. We can override these defaults using the application.yml property file.

    轻舞肥羊2019-08-10[Java]

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  • Spring Kafka Forwarding Listener Results using @SendTo

    This tutorial demonstrates how to forward listener results using the @SendTo annotation using Spring Kafka, Spring Boot and Maven. We can use static typed topics, runtime expressions or application initialization expressions. Take a look at the following example.

    轻舞肥羊2019-08-10[Java]

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  • Spring Boot + Spring Security + Thymeleaf Form Login Example

    Spring Boot + Spring Security + Thymeleaf Form Login Example

    This tutorial demonstrates how to configure spring-boot, spring-security and thymeleaf with form-login. We secure our web application using spring security form-login. We create a reusable Thymeleaf layout which we can use to create our secured and unsecured pages. When a user accesses a protected resource with insufficient rights we redirect the user to an access-denied page. Finally we create a login page where the user is able to login to the application. And we create a logout link.

    轻舞肥羊2019-08-10[Java]

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  • Spring Security Basic Authentication Configuration Example

    Spring Security Basic Authentication Configuration Example

    The following tutorial is about Spring Security Basic Authentication Configuration. We demonstrate this by configuring Spring Security using both Java and XML Configuration. We create a custom authentication entry point which we can use and customize to give the user a custom login error message. We finish with showing how to write some integration tests using Spring MockMvc and JUnit.

    轻舞肥羊2019-08-10[Java]

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  • Spring Security Method Level Annotations Example

    Spring Security Method Level Annotations Example

    This tutorial demonstrates how to use Spring Security Method Level Annotations. We can use Spring Security to secure our service layer. We can restrict which roles are able to execute a method by annotating the method with any of spring security annotations or the standard java JSR-250 annotaitons.

    轻舞肥羊2019-08-10[Java]

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  • Spring Boot + Spring Security + Hibernate Configuration Example

    Spring Boot + Spring Security + Hibernate Configuration Example

    This tutorial demonstrates how to configure Spring Security Hibernate and Spring Boot. We secure a simple stateless web service using basic authentication. We configure Spring Security using Spring Java and/or XML Configuration. Finally, we write some JUnit Integration Tests with spring-test, h2 in-memory database and MockMvc.

    轻舞肥羊2019-08-10[Java]

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  • Spring Security User Registration with Hibernate and Thymeleaf

    Spring Security User Registration with Hibernate and Thymeleaf

    In this example we show how to create a user registration form with Spring Security, Hibernate and Thymeleaf. We validate the user registration fields with hibernate validator annotations and a custom field matching validator to validate if the email and/or password fields match.

    轻舞肥羊2019-08-10[Java]

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  • Spring Security Forgot Password Send Email Reset Password

    Spring Security Forgot Password Send Email Reset Password

    In this tutorial we demonstrate how to use Spring Security, Spring Boot, Hibernate and Thymeleaf to program a password reset flow by sending the user an email address to verify the reset password procedure. When a user has forgot his password, he is able to request a password reset. The application will generate a unique PasswordResetToken and store it in the database. The user’ll receive an email with the unique token. When he clicks the link, the user is redirected to a page where he can change his password.

    轻舞肥羊2019-08-10[Java]

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  • Custom Password Constraint Validator Annotation Example

    Custom Password Constraint Validator Annotation Example

    This tutorial demonstrates how to create a custom password validator annotation using custom password rules. You’ll be able to annotate your password field with a @ValidPassword. This’ll trigger the custom PasswordConstraintValidator which’ll enforce a server-side password policy.

    轻舞肥羊2019-08-10[Java]

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  • Integrate Google ReCaptcha Java Spring Web Application

    Integrate Google ReCaptcha Java Spring Web Application

    This tutorial demonstrates how to integrate Google ReCaptcha into a Java Spring Web Application. reCAPTCHA is used to verify if the current computer is a human, preventing bots from automatically submitting forms. We integrated Google ReCaptcha using server side validation. We wrote a custom @ReCaptcha annotation which you can annotate your java fields. This’ll automatically handle the ReCaptcha server side validation process. At the bottom we also wrote some Unit and Integration tests using Mockito, spring-test and MockMvc.

    轻舞肥羊2019-08-10[Java]

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