I am new to java and trying to learn a better way of coding.Please let me know if I can replace the multiple OR conditions in the below ELSE IF statement with any other way to execute based on the username passed in the calling method : Answer Here’s one way: define a Set<String> with the possible…
How to create dynamic queues in rabbit mq using spring boot?
I need some help. I’m developing a spring boot application, and I want wo publish messages to a rabbitMQ. I want to send it to a queue, that is named in the message itself. This way i want to create queues dynamicly. I only found examples that use a “static” queue. I have reserched some thin…
Spring aop: Pointcut defined for subclasses but only one subclass is invoked
I am defining a JobProcess with a method Object process( JobContext jobContext ); with an impl called JobProcessImpl. Whenever this JobProcessImpl.process method is executed, I want to spy with more …
Call custom static functions from filter and map in Java 8 – stream
I want to call method name nameStartingWithPrefix() which is inside filter and its definition will be in Filter class. All ArrayList describes in main(), but the list is not passed as in an argument, how can I call in List of names inside Filter.nameStartingWithPrefix(). Syntax is given like: names is name of…
listFiles() returns null on /storage/emulated, while /storage/emulated/0 exists
I am testing on android 27 emulator and trying to traverse some directories. When I try to traverse /storage/emulated directory, the method listFiles() returns null while there /storage/emulated/0 exists. Here is a testing code: P.S. I have added the proper storage permission in manifest and granted the runti…
Is it possible to extract any Header value from the Network panel on google chrome developer tools with selenium?
I want to access the value of one of the Headers under the Network panel on google chrome developer tools with selenium. I’m able to navigate and access the json for Networks panel using ChromeOptions in Selenium. But i also need to extract a value of any of the Headers for any Name. For ex. I manually …
Create custom method level annotation only available to specific return types [AOP]
I want to create an annotation which is only available to a specific type of return values. For example this is my annotation. I also have an interface: An example class that implements my interface: So after these, I want to configure my annotation in a way that it won’t even compile if the return type…
UnsatisfiedDependencyException: Error creating bean with name ‘repository.BookRepositoryTest’ in Junit Test
I am writing a junit test for spring data repository. But i can’t autowire repository interface. Program is running if i run main method and spring can detect all repositories,services,entities but if i run a test it gives this error : UnsatisfiedDependencyException: Error creating bean with name ‘…
Unable to fetching subscription detail from Google Play Android Developer API
I am trying to use Google APIs Client Library for Java to get information about user’s subscriptions purchased in my android app. Then I got this error: I am trying those steps: Go to https://console.cloud.google.com Create a project (or select existing project) Create a service account with role Pub/Su…
how to auto-fill an object in java?
i have a simple pojo so now once i initialize the name of the POJO with any name i want the rest of the attributes to auto fill. eg: animal(“cat”) should auto-fill other attributes such as max_life and features based on a cat. is there any property’s file or any way that will detect the init…