![]() In the following example, we’ll serialize an instance of. First, let’s see how to serialize a simple with Jackson. The FasterXML Jackson library is a popular Java library used for working with JSON data. Date, then Joda-Time, and finally, the Java 8 DateTime. ![]() We’ll start by serializing a simple java.util. Private static final ObjectMapper mapper = new ObjectMapper() In this tutorial, we’ll serialize dates with Jackson. The other way to add support is by adding the JaxbAnnotationIntrospector. In addition to JsonCreator, there are a lot of other Jackson annotations that will make your programming. At this point, you could find the right dependency and add the module, but if JIRA is doing it already without the module, why add another dependency? So, we continue in our search. JsonCreator Jackson Annotation Example in Java. This module does not exist in the project so, I conclude that JIRA is not doing it this way. Most searches will tell you to add a dependency on :jackson-module-jaxb-annotations and use modules: ObjectMapper objectMapper = new ObjectMapper() I gave up and decided to just add support to the singleton I created. The normal way of using the .rs.core.Context annotation didn’t work for me: ContextResolver mapperResolver It is placed in the jackson-annotations-.jar file. The jackson-databind-.jar does not actually contain a class for JsonView annotation that you get the exception about. For example: jackson-databind depends on jackson-annotations and jackson-core. I then researched for a while to see how to grab the instance that JIRA uses. Jackson library is split into several jar-modules that declare dependencies between each other. Marshaling an entity to adhere to a specific JSON format is a common task and this article shows how to do is simply by using the JsonProperty annotation. ![]() Turns out, this doesn’t pick up the JAXB annotations by default, so all my element names (from the = "my_custom_name_that_would_suck_to_use") annotations) were not being picked up. To customize that output so that, instead of stringValue we get for example strVal, we need to simply annotate the getter: 3. I created a JsonUtil class with an ObjectMapper singleton (they are expensive if you use it often, re-use it it’s thread safe). To keep things aligned, I created the entities with JAXB annotations, just like JIRA REST modules use. I needed an ObjectMapper to do some talking to a 3rd party REST API.
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