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AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an IMPLEMENTING RETRY WITH RESILIENCE4J Implementing Retry with Resilience4j. 2020-07-15 18:00:00 +0000. In this article, we’ll start with a quick intro to Resilience4j and then deep dive into its Retry module. We’ll learn when and how to use it, and what features it provides. Along the way, we’ll also learn a few good practices when implementing retries. HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle PROCESSING FILES WITH JAVA 8 STREAMS API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an IMPLEMENTING RETRY WITH RESILIENCE4J Implementing Retry with Resilience4j. 2020-07-15 18:00:00 +0000. In this article, we’ll start with a quick intro to Resilience4j and then deep dive into its Retry module. We’ll learn when and how to use it, and what features it provides. Along the way, we’ll also learn a few good practices when implementing retries. HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle PROCESSING FILES WITH JAVA 8 STREAMS API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. REFLECTORING = HOW + WHY AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH SPRING DATA SPECIFICATIONS We can also take advantage of findAll() functions overloaded with Pageable and Sort in case we are expecting a large number of records in the result or want records in sorted order.. The Specification interface also has the public static helper methods and(), or(), and where() that allow us to combine multiple specifications. It also provides a not() method which allows us to negate a PROCESSING FILES WITH JAVA 8 STREAMS Processing Files With Java 8 Streams. 2020-09-29 20:00:00 +0000. Streams, introduced in Java 8, use functional-style operations to process data declaratively. The elements of streams are consumed from data sources such as collections, arrays, or I/O resources like files. In this article, we’ll explore the various possibilities of using BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLE Each module is in a separate folder with Java sources, a build.gradle file, and distinct responsibilities:. The top-level build.gradle file configures build behavior that is shared between all sub-modules so that we don’t have to duplicate things in the sub-modules.; The buckpal-configuration module contains the actual Spring Boot application and any Spring Java Configuration that puts CUSTOM WEB CONTROLLER ARGUMENTS WITH SPRING MVC AND SPRING Custom Web Controller Arguments with Spring MVC and Spring Boot. 2020-03-05 19:00:00 +0000. Spring MVC provides a very convenient programming model for creating web controllers. We declare a method signature and the method arguments will be resolved automatically by Spring. We can make it even more convenient by letting Spring passcustom
TESTING MVC WEB CONTROLLERS WITH SPRING BOOT AND @WEBMVCTEST 3. Validate Input. The controller is the first line of defense against bad input, so it’s a place where we can validate the input. 4. Call the Business Logic. Having parsed the input, the controller must transform the input into the model expected by the business logic and pass it on to the business logic. 5. UNIT TESTING WITH SPRING BOOT There are reasons to start up a Spring application in a test, but for plain unit tests, it’s not necessary. It’s even harmful due to the longer turnaround times. Instead, we should build our Spring beans in a way that easily supports writing plain unit tests for. The Spring Boot Test Starter comes with Mockito and AssertJ as testing libraries. USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. IMPLEMENTING A CACHE WITH SPRING BOOT The first dependency is the Hazelcast library, and the second one is the implementation of the Spring cache abstraction - amongst others, the implementation of CacheManager and Cache.. Now Spring Boot will find Hazelcast on the classpath and will search for a Hazelcastconfiguration.
TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATEST Testing JPA Queries with Spring Boot and @DataJpaTest. Aside from unit tests, integration tests play a vital role in producing quality software. A special kind of integration test deals with the integration between our code and the database. With the @DataJpaTest annotation, Spring Boot provides a convenient way to set up anenvironment with an
REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an IMPLEMENTING RETRY WITH RESILIENCE4J Implementing Retry with Resilience4j. 2020-07-15 18:00:00 +0000. In this article, we’ll start with a quick intro to Resilience4j and then deep dive into its Retry module. We’ll learn when and how to use it, and what features it provides. Along the way, we’ll also learn a few good practices when implementing retries. HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle PROCESSING FILES WITH JAVA 8 STREAMS API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an IMPLEMENTING RETRY WITH RESILIENCE4J Implementing Retry with Resilience4j. 2020-07-15 18:00:00 +0000. In this article, we’ll start with a quick intro to Resilience4j and then deep dive into its Retry module. We’ll learn when and how to use it, and what features it provides. Along the way, we’ll also learn a few good practices when implementing retries. HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle PROCESSING FILES WITH JAVA 8 STREAMS API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. REFLECTORING = HOW + WHY AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH SPRING DATA SPECIFICATIONS We can also take advantage of findAll() functions overloaded with Pageable and Sort in case we are expecting a large number of records in the result or want records in sorted order.. The Specification interface also has the public static helper methods and(), or(), and where() that allow us to combine multiple specifications. It also provides a not() method which allows us to negate a PROCESSING FILES WITH JAVA 8 STREAMS Processing Files With Java 8 Streams. 2020-09-29 20:00:00 +0000. Streams, introduced in Java 8, use functional-style operations to process data declaratively. The elements of streams are consumed from data sources such as collections, arrays, or I/O resources like files. In this article, we’ll explore the various possibilities of using BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLE Each module is in a separate folder with Java sources, a build.gradle file, and distinct responsibilities:. The top-level build.gradle file configures build behavior that is shared between all sub-modules so that we don’t have to duplicate things in the sub-modules.; The buckpal-configuration module contains the actual Spring Boot application and any Spring Java Configuration that puts CUSTOM WEB CONTROLLER ARGUMENTS WITH SPRING MVC AND SPRING Custom Web Controller Arguments with Spring MVC and Spring Boot. 2020-03-05 19:00:00 +0000. Spring MVC provides a very convenient programming model for creating web controllers. We declare a method signature and the method arguments will be resolved automatically by Spring. We can make it even more convenient by letting Spring passcustom
TESTING MVC WEB CONTROLLERS WITH SPRING BOOT AND @WEBMVCTEST 3. Validate Input. The controller is the first line of defense against bad input, so it’s a place where we can validate the input. 4. Call the Business Logic. Having parsed the input, the controller must transform the input into the model expected by the business logic and pass it on to the business logic. 5. UNIT TESTING WITH SPRING BOOT There are reasons to start up a Spring application in a test, but for plain unit tests, it’s not necessary. It’s even harmful due to the longer turnaround times. Instead, we should build our Spring beans in a way that easily supports writing plain unit tests for. The Spring Boot Test Starter comes with Mockito and AssertJ as testing libraries. USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. IMPLEMENTING A CACHE WITH SPRING BOOT The first dependency is the Hazelcast library, and the second one is the implementation of the Spring cache abstraction - amongst others, the implementation of CacheManager and Cache.. Now Spring Boot will find Hazelcast on the classpath and will search for a Hazelcastconfiguration.
TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATEST Testing JPA Queries with Spring Boot and @DataJpaTest. Aside from unit tests, integration tests play a vital role in producing quality software. A special kind of integration test deals with the integration between our code and the database. With the @DataJpaTest annotation, Spring Boot provides a convenient way to set up anenvironment with an
REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. VALIDATE SPRING BOOT CONFIGURATION PARAMETERS AT STARTUP Validating Properties at Startup. Binding our configuration parameters to an object is a clean way to maintain them. This way we can benefit from type-safety and find errors earlier. Spring Boot has the @ConfigurationProperties annotation to do this binding for the properties defined in application.properties or application.yml files. TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATESTSEE MORE ONREFLECTORING.IO
REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. VALIDATE SPRING BOOT CONFIGURATION PARAMETERS AT STARTUP Validating Properties at Startup. Binding our configuration parameters to an object is a clean way to maintain them. This way we can benefit from type-safety and find errors earlier. Spring Boot has the @ConfigurationProperties annotation to do this binding for the properties defined in application.properties or application.yml files. TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATESTSEE MORE ONREFLECTORING.IO
GETTING STARTED WITH SPRING DATA SPECIFICATIONS We can also take advantage of findAll() functions overloaded with Pageable and Sort in case we are expecting a large number of records in the result or want records in sorted order.. The Specification interface also has the public static helper methods and(), or(), and where() that allow us to combine multiple specifications. It also provides a not() method which allows us to negate a BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLE Each module is in a separate folder with Java sources, a build.gradle file, and distinct responsibilities:. The top-level build.gradle file configures build behavior that is shared between all sub-modules so that we don’t have to duplicate things in the sub-modules.; The buckpal-configuration module contains the actual Spring Boot application and any Spring Java Configuration that puts CUSTOM WEB CONTROLLER ARGUMENTS WITH SPRING MVC AND SPRING Custom Web Controller Arguments with Spring MVC and Spring Boot. 2020-03-05 19:00:00 +0000. Spring MVC provides a very convenient programming model for creating web controllers. We declare a method signature and the method arguments will be resolved automatically by Spring. We can make it even more convenient by letting Spring passcustom
API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. BUILD ONCE, RUN ANYWHERE: EXTERNALIZE YOUR CONFIGURATION The easiest way to migrate from an internal configuration file to external configuration is by simply removing the file from the deployment artifact and making it available in the file system of the target environment. We can put the file in a fixed location that is the same in all environments, for example, “/etc/myapp.conf”. UNIT TESTING WITH SPRING BOOT There are reasons to start up a Spring application in a test, but for plain unit tests, it’s not necessary. It’s even harmful due to the longer turnaround times. Instead, we should build our Spring beans in a way that easily supports writing plain unit tests for. The Spring Boot Test Starter comes with Mockito and AssertJ as testing libraries. INTEGRATION TESTS WITH SPRING BOOT AND @SPRINGBOOTTEST Integration Tests with Spring Boot and @SpringBootTest. With the @SpringBootTest annotation, Spring Boot provides a convenient way to start up an application context to be used in a test. In this tutorial, we’ll discuss when to use @SpringBootTest and when to better use other tools for testing. We’ll also look into differentways to
COMPLETE GUIDE TO VALIDATION WITH SPRING BOOT Note that the validation starter does no more than adding a dependency to a compatible version of hibernate validator, which is the most widely used implementation of the Bean Validation specification. Bean Validation Basics. Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certainannotations.
TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATEST Testing JPA Queries with Spring Boot and @DataJpaTest. Aside from unit tests, integration tests play a vital role in producing quality software. A special kind of integration test deals with the integration between our code and the database. With the @DataJpaTest annotation, Spring Boot provides a convenient way to set up anenvironment with an
REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. VALIDATE SPRING BOOT CONFIGURATION PARAMETERS AT STARTUP Validating Properties at Startup. Binding our configuration parameters to an object is a clean way to maintain them. This way we can benefit from type-safety and find errors earlier. Spring Boot has the @ConfigurationProperties annotation to do this binding for the properties defined in application.properties or application.yml files. TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATESTSEE MORE ONREFLECTORING.IO
REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. VALIDATE SPRING BOOT CONFIGURATION PARAMETERS AT STARTUP Validating Properties at Startup. Binding our configuration parameters to an object is a clean way to maintain them. This way we can benefit from type-safety and find errors earlier. Spring Boot has the @ConfigurationProperties annotation to do this binding for the properties defined in application.properties or application.yml files. TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATESTSEE MORE ONREFLECTORING.IO
GETTING STARTED WITH SPRING DATA SPECIFICATIONS We can also take advantage of findAll() functions overloaded with Pageable and Sort in case we are expecting a large number of records in the result or want records in sorted order.. The Specification interface also has the public static helper methods and(), or(), and where() that allow us to combine multiple specifications. It also provides a not() method which allows us to negate a BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLE Each module is in a separate folder with Java sources, a build.gradle file, and distinct responsibilities:. The top-level build.gradle file configures build behavior that is shared between all sub-modules so that we don’t have to duplicate things in the sub-modules.; The buckpal-configuration module contains the actual Spring Boot application and any Spring Java Configuration that puts CUSTOM WEB CONTROLLER ARGUMENTS WITH SPRING MVC AND SPRING Custom Web Controller Arguments with Spring MVC and Spring Boot. 2020-03-05 19:00:00 +0000. Spring MVC provides a very convenient programming model for creating web controllers. We declare a method signature and the method arguments will be resolved automatically by Spring. We can make it even more convenient by letting Spring passcustom
API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. BUILD ONCE, RUN ANYWHERE: EXTERNALIZE YOUR CONFIGURATION The easiest way to migrate from an internal configuration file to external configuration is by simply removing the file from the deployment artifact and making it available in the file system of the target environment. We can put the file in a fixed location that is the same in all environments, for example, “/etc/myapp.conf”. UNIT TESTING WITH SPRING BOOT There are reasons to start up a Spring application in a test, but for plain unit tests, it’s not necessary. It’s even harmful due to the longer turnaround times. Instead, we should build our Spring beans in a way that easily supports writing plain unit tests for. The Spring Boot Test Starter comes with Mockito and AssertJ as testing libraries. INTEGRATION TESTS WITH SPRING BOOT AND @SPRINGBOOTTEST Integration Tests with Spring Boot and @SpringBootTest. With the @SpringBootTest annotation, Spring Boot provides a convenient way to start up an application context to be used in a test. In this tutorial, we’ll discuss when to use @SpringBootTest and when to better use other tools for testing. We’ll also look into differentways to
COMPLETE GUIDE TO VALIDATION WITH SPRING BOOT Note that the validation starter does no more than adding a dependency to a compatible version of hibernate validator, which is the most widely used implementation of the Bean Validation specification. Bean Validation Basics. Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certainannotations.
TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATEST Testing JPA Queries with Spring Boot and @DataJpaTest. Aside from unit tests, integration tests play a vital role in producing quality software. A special kind of integration test deals with the integration between our code and the database. With the @DataJpaTest annotation, Spring Boot provides a convenient way to set up anenvironment with an
REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. VALIDATE SPRING BOOT CONFIGURATION PARAMETERS AT STARTUP Validating Properties at Startup. Binding our configuration parameters to an object is a clean way to maintain them. This way we can benefit from type-safety and find errors earlier. Spring Boot has the @ConfigurationProperties annotation to do this binding for the properties defined in application.properties or application.yml files. TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATESTSEE MORE ONREFLECTORING.IO
REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
EXECUTING CODE ON SPRING BOOT APPLICATION STARTUP Don't @Order too much!. While the @Order annotation is very convenient to put certain startup logic fragments into a sequence, it's also a sign that those startup fragments have a dependency on each other. We should strive to have as few dependencies as possible to create a maintainable codebase. What's more, the @Order annotation creates a hard-to-understand logical dependency instead of an HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
HANDLING COOKIES WITH SPRING BOOT AND THE SERVLET API Not all browsers support the HttpOnly flag.The good news is most of them do, but if it doesn’t, it will ignore the HttpOnly flag even if it is set during cookie creation. Cookies should always be HttpOnly unless the browser doesn’t support it or there is a requirement to expose them to clients’ scripts.. Now that we know what cookies are and how they work let’s check how we can handle BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. VALIDATE SPRING BOOT CONFIGURATION PARAMETERS AT STARTUP Validating Properties at Startup. Binding our configuration parameters to an object is a clean way to maintain them. This way we can benefit from type-safety and find errors earlier. Spring Boot has the @ConfigurationProperties annotation to do this binding for the properties defined in application.properties or application.yml files. TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATESTSEE MORE ONREFLECTORING.IO
GETTING STARTED WITH SPRING DATA SPECIFICATIONS We can also take advantage of findAll() functions overloaded with Pageable and Sort in case we are expecting a large number of records in the result or want records in sorted order.. The Specification interface also has the public static helper methods and(), or(), and where() that allow us to combine multiple specifications. It also provides a not() method which allows us to negate a BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLE Each module is in a separate folder with Java sources, a build.gradle file, and distinct responsibilities:. The top-level build.gradle file configures build behavior that is shared between all sub-modules so that we don’t have to duplicate things in the sub-modules.; The buckpal-configuration module contains the actual Spring Boot application and any Spring Java Configuration that puts CUSTOM WEB CONTROLLER ARGUMENTS WITH SPRING MVC AND SPRING Custom Web Controller Arguments with Spring MVC and Spring Boot. 2020-03-05 19:00:00 +0000. Spring MVC provides a very convenient programming model for creating web controllers. We declare a method signature and the method arguments will be resolved automatically by Spring. We can make it even more convenient by letting Spring passcustom
API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. BUILD ONCE, RUN ANYWHERE: EXTERNALIZE YOUR CONFIGURATION The easiest way to migrate from an internal configuration file to external configuration is by simply removing the file from the deployment artifact and making it available in the file system of the target environment. We can put the file in a fixed location that is the same in all environments, for example, “/etc/myapp.conf”. UNIT TESTING WITH SPRING BOOT There are reasons to start up a Spring application in a test, but for plain unit tests, it’s not necessary. It’s even harmful due to the longer turnaround times. Instead, we should build our Spring beans in a way that easily supports writing plain unit tests for. The Spring Boot Test Starter comes with Mockito and AssertJ as testing libraries. INTEGRATION TESTS WITH SPRING BOOT AND @SPRINGBOOTTEST Integration Tests with Spring Boot and @SpringBootTest. With the @SpringBootTest annotation, Spring Boot provides a convenient way to start up an application context to be used in a test. In this tutorial, we’ll discuss when to use @SpringBootTest and when to better use other tools for testing. We’ll also look into differentways to
COMPLETE GUIDE TO VALIDATION WITH SPRING BOOT Note that the validation starter does no more than adding a dependency to a compatible version of hibernate validator, which is the most widely used implementation of the Bean Validation specification. Bean Validation Basics. Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certainannotations.
TESTING JPA QUERIES WITH SPRING BOOT AND @DATAJPATEST Testing JPA Queries with Spring Boot and @DataJpaTest. Aside from unit tests, integration tests play a vital role in producing quality software. A special kind of integration test deals with the integration between our code and the database. With the @DataJpaTest annotation, Spring Boot provides a convenient way to set up anenvironment with an
REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
BUILD ONCE, RUN ANYWHERE: EXTERNALIZE YOUR CONFIGURATIONSEE MORE ONREFLECTORING.IO
HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. UNIT TESTING WITH SPRING BOOT COMPLETE GUIDE TO VALIDATION WITH SPRING BOOT Note that the validation starter does no more than adding a dependency to a compatible version of hibernate validator, which is the most widely used implementation of the Bean Validation specification. Bean Validation Basics. Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certainannotations.
BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
BUILD ONCE, RUN ANYWHERE: EXTERNALIZE YOUR CONFIGURATIONSEE MORE ONREFLECTORING.IO
HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. UNIT TESTING WITH SPRING BOOT COMPLETE GUIDE TO VALIDATION WITH SPRING BOOT Note that the validation starter does no more than adding a dependency to a compatible version of hibernate validator, which is the most widely used implementation of the Bean Validation specification. Bean Validation Basics. Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certainannotations.
BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. SENDING HTTP REQUESTS WITH SPRING WEBCLIENT Testing with Spring WebTestClient. In addition to WebClient, Spring 5 includes WebTestClient, which provides an interface extremely similar to WebClient, but designed for convenient testing of server endpoints.. We can set this up either by creating a WebTestClient that’s bound to a server and sending real requests over HTTP, or one that’s bound to a single Controller, RouterFunction MODULARIZING A SPRING BOOT APPLICATION If this configuration class is picked up by one of the importing mechanisms (explained later), it will look through all classes in the package io.reflectoring.booking and load an instance of each class that is annotated with one of Spring’s stereotype annotations into the application context.. This way is fine as long as you always want to load all classes of a package and its sub-packages COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. UNIT TESTING WITH SPRING BOOT There are reasons to start up a Spring application in a test, but for plain unit tests, it’s not necessary. It’s even harmful due to the longer turnaround times. Instead, we should build our Spring beans in a way that easily supports writing plain unit tests for. The Spring Boot Test Starter comes with Mockito and AssertJ as testing libraries. PROCESSING FILES WITH JAVA 8 STREAMS Processing Files With Java 8 Streams. 2020-09-29 20:00:00 +0000. Streams, introduced in Java 8, use functional-style operations to process data declaratively. The elements of streams are consumed from data sources such as collections, arrays, or I/O resources like files. In this article, we’ll explore the various possibilities of using API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. INTEGRATION TESTS WITH SPRING BOOT AND @SPRINGBOOTTEST Integration Tests with Spring Boot and @SpringBootTest. With the @SpringBootTest annotation, Spring Boot provides a convenient way to start up an application context to be used in a test. In this tutorial, we’ll discuss when to use @SpringBootTest and when to better use other tools for testing. We’ll also look into differentways to
BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLE Each module is in a separate folder with Java sources, a build.gradle file, and distinct responsibilities:. The top-level build.gradle file configures build behavior that is shared between all sub-modules so that we don’t have to duplicate things in the sub-modules.; The buckpal-configuration module contains the actual Spring Boot application and any Spring Java Configuration that puts SPRING BOOT APPLICATION EVENTS EXPLAINED Spring Boot Application Events Explained. To “listen” to an event, we can always write the “listener” to an event as another method within the source of the event, but this will tightly couple the event source to the logic of the listener. With real events, we are more flexible than with direct method calls. VALIDATE SPRING BOOT CONFIGURATION PARAMETERS AT STARTUP Validating Properties at Startup. Binding our configuration parameters to an object is a clean way to maintain them. This way we can benefit from type-safety and find errors earlier. Spring Boot has the @ConfigurationProperties annotation to do this binding for the properties defined in application.properties or application.yml files. REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
BUILD ONCE, RUN ANYWHERE: EXTERNALIZE YOUR CONFIGURATIONSEE MORE ONREFLECTORING.IO
HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. UNIT TESTING WITH SPRING BOOT COMPLETE GUIDE TO VALIDATION WITH SPRING BOOT Note that the validation starter does no more than adding a dependency to a compatible version of hibernate validator, which is the most widely used implementation of the Bean Validation specification. Bean Validation Basics. Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certainannotations.
BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. REFLECTORING = HOW + WHYSPRING BOOTJAVASOFTWARE CRAFTBOOKREVIEWSMETAABOUT
AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examples. Book Review. GETTING STARTED WITH AWS S3 AND SPRING BOOT Getting Started with AWS S3 and Spring Boot. 2021-02-08 13:00:00 +0000. In this article, we are going to explore AWS’ Simple Storage Service (S3) together with Spring Boot to build a custom file-sharing application (just like in the good old days before Google Drive, Dropbox & co). As we will learn, S3 is an extremely versatile and easyto
BUILD ONCE, RUN ANYWHERE: EXTERNALIZE YOUR CONFIGURATIONSEE MORE ONREFLECTORING.IO
HEALTH CHECKS WITH SPRING BOOT Health Checks with Spring Boot. 2020-09-21 20:00:00 +0000. Monitoring and observability are essential in distributed environments and they rely on effective health checking mechanisms that can be observed at runtime. In this article, we will build health check functions in Spring Boot applications and make them observable by capturing useful GETTING STARTED WITH SPRING DATA SPECIFICATIONSSEE MORE ONREFLECTORING.IO
COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. UNIT TESTING WITH SPRING BOOT COMPLETE GUIDE TO VALIDATION WITH SPRING BOOT Note that the validation starter does no more than adding a dependency to a compatible version of hibernate validator, which is the most widely used implementation of the Bean Validation specification. Bean Validation Basics. Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certainannotations.
BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLESEE MORE ONREFLECTORING.IO
USING KAFKA WITH SPRING BOOT The Spring Boot default configuration gives us a reply template. Since we are overriding the factory configuration above, the listener container factory must be provided with a KafkaTemplate by using setReplyTemplate () which is then used to send the reply. In the above example, we are sending the reply message to the topic “reflectoring-1”. SENDING HTTP REQUESTS WITH SPRING WEBCLIENT Testing with Spring WebTestClient. In addition to WebClient, Spring 5 includes WebTestClient, which provides an interface extremely similar to WebClient, but designed for convenient testing of server endpoints.. We can set this up either by creating a WebTestClient that’s bound to a server and sending real requests over HTTP, or one that’s bound to a single Controller, RouterFunction MODULARIZING A SPRING BOOT APPLICATION If this configuration class is picked up by one of the importing mechanisms (explained later), it will look through all classes in the package io.reflectoring.booking and load an instance of each class that is annotated with one of Spring’s stereotype annotations into the application context.. This way is fine as long as you always want to load all classes of a package and its sub-packages COMPLETE GUIDE TO EXCEPTION HANDLING IN SPRING BOOT Handling exceptions is an important part of building a robust application. Spring Boot offers more than one way of doing it. This article will explore these ways and will also provide some pointers on when a given way might be preferable over another. UNIT TESTING WITH SPRING BOOT There are reasons to start up a Spring application in a test, but for plain unit tests, it’s not necessary. It’s even harmful due to the longer turnaround times. Instead, we should build our Spring beans in a way that easily supports writing plain unit tests for. The Spring Boot Test Starter comes with Mockito and AssertJ as testing libraries. PROCESSING FILES WITH JAVA 8 STREAMS Processing Files With Java 8 Streams. 2020-09-29 20:00:00 +0000. Streams, introduced in Java 8, use functional-style operations to process data declaratively. The elements of streams are consumed from data sources such as collections, arrays, or I/O resources like files. In this article, we’ll explore the various possibilities of using API-FIRST DEVELOPMENT WITH SPRING BOOT AND SWAGGER API-First Development with Spring Boot and Swagger. Following an API-first approach, we specify an API before we start coding. Via API description languages, teams can collaborate without having implemented anything, yet. Those description languages specify endpoints, security schemas, object schemas, and much more. INTEGRATION TESTS WITH SPRING BOOT AND @SPRINGBOOTTEST Integration Tests with Spring Boot and @SpringBootTest. With the @SpringBootTest annotation, Spring Boot provides a convenient way to start up an application context to be used in a test. In this tutorial, we’ll discuss when to use @SpringBootTest and when to better use other tools for testing. We’ll also look into differentways to
BUILDING A MULTI-MODULE SPRING BOOT APPLICATION WITH GRADLE Each module is in a separate folder with Java sources, a build.gradle file, and distinct responsibilities:. The top-level build.gradle file configures build behavior that is shared between all sub-modules so that we don’t have to duplicate things in the sub-modules.; The buckpal-configuration module contains the actual Spring Boot application and any Spring Java Configuration that puts SPRING BOOT APPLICATION EVENTS EXPLAINED Spring Boot Application Events Explained. To “listen” to an event, we can always write the “listener” to an event as another method within the source of the event, but this will tightly couple the event source to the logic of the listener. With real events, we are more flexible than with direct method calls. VALIDATE SPRING BOOT CONFIGURATION PARAMETERS AT STARTUP Validating Properties at Startup. Binding our configuration parameters to an object is a clean way to maintain them. This way we can benefit from type-safety and find errors earlier. Spring Boot has the @ConfigurationProperties annotation to do this binding for the properties defined in application.properties or application.yml files.* Spring Boot
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REFLECTORING = HOW + WHY Tutorials on Spring Boot and Java, thoughts about the Software Craft, and relevant book reviews. BECAUSE IT'S JUST AS IMPORTANT TO UNDERSTAND THE WHY AS IT IS TO UNDERSTAND THE HOW. Have fun!Spring Boot
TESTING WITH SPRING BOOT'S @TESTCONFIGURATION ANNOTATIONPhoto Credits
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SENDING HTTP REQUESTS WITH SPRING WEBCLIENT How to get started using Spring WebClient to talk to REST APIs.Photo Credits
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GETTING STARTED WITH AWS RDS AND SPRING CLOUD AWS Relational Database Service (RDS) is a managed database service in AWS Cloud. Spring Cloud AWS provides convenient configurable components to integrate applications with the RDS service. In this article, we will look at using Spring Cloud AWS for working with AWS RDS with the help of some code examplesBook Review
BOOK NOTES: MEASURE WHAT MATTERS My notes on 'The Psychology of Money', a book that communicates a solid mindset about investing money to build wealth.Photo Credits
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GETTING STARTED WITH AWS SQS AND SPRING CLOUD Amazon Simple Queue Service (SQS) is one of the important services in AWS Cloud. Spring Cloud provides convenient methods to make it easy to integrate applications with the SQS service. In this article, we will look at using Spring Cloud for working with SQS with the help of some basic concepts and code examplesNext Page
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