My Java 11/Android app has to check if the URL/IP the user entered could theoretically be valid (using myURL.trim().matches(regex)). What should be valid (including variations): stackoverflow.com http://stackoverflow.com http://amazon.co.uk https://www.amazon.co.uk ftp://10.1.1.9 10.1.1.9:1234 http://10.1.1.9:1234/bla What shouldn't be valid: http://bla bla "---" (without…
I am new in Java Spring. I created the default project by adding dependencies. Now I want the Weather database to be created when the application is launched, if it does not exist on the computer.I am using a mysql…
**I want to convert JSON into Java Pojo dynamically , meaning JSON structure will be change but I need to convert that JSON into Java Pojo without creating JSON POJO, is there any framework available ? I thought about Dozzer…
i am using vs code , jdk version(19), windows 10, java 17 for springboot ,mysql ,hibernate ,lombok etc . the project files are as follows; pom.xml <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>3.2.0</version> <relativePath/>…
I am trying to read a json file and update a specific field. I am able to get to the proper nested location, but when I save it back after update, I get lots of "rn" instead of the original…
How to logout a user so that the next login lets him chose an account? It's like there is still some metadata stored somewhere because it always relogs into the last successfully logged in account. I found the exact problem…
I've seen a couple of posts talking about something similar, though not exactly like what I'm trying to do. Namely I came across https://www.jessym.com/articles/stateless-oauth2-social-logins-with-spring-boot which is quite a complicated guide to still fit within Spring Security, and have what the…
I'm attempting to send a post request with an image attachment and employee details in json format. For ImageData and Employee, I have distinct tables. I am able to store image data with my code, but not employee data.The error…
I am trying to deserialize json String date to Calendar and deserialization is working however it is not what i want. Current Behaviour @JsonProperty("systemDt") @JsonFormat(Pattern="yyyy-MM-dd HH:mm:ss.SSS") Calendar responseDateTime; Deserializes to responseDateTime=java.util.GregorianCalendar[time=1141556400000,areFieldsSet=true,areAllFieldsSet=true,lenient=true,zone=sun.util.calendar.ZoneInfo[id="UTC"...... I want a Simple Calendar Date of the format…
I successfully set up a sample application to utilize AzureAD for user authentication following the steps outlined in this blog post. The post provides instructions on configuring AzureAD and the application's identity using client-id and client-secret for the application configuration,…