more and more
Formatting JSON Dates in Spring Boot 1. Overview In this tutorial, we’ll show how to format JSON date fields in a Spring Boot application. We’ll explore various ways of formatting dates using Jackson, which is used by Spring Boot as its default JSON processor. 2.Using @JsonFormat on a Date Field… Continue Reading spring-boot-formatting-json-dates
getdocs
Convert XML to JSON Using Jackson 1. Overview In this tutorial, we’ll see how to convert an XML message to JSON using Jackson. For readers new to Jackson, consider getting familiar with the basics first. 2. An Introduction to Jackson We can think about parsing JSON in three different ways with Jackson:… Continue Reading jackson-convert-xml-json
getdocs
Jackson – Unmarshall to Collection/Array 1. Overview This tutorial will show how to deserialize a JSON Array to a Java Array or Collection with Jackson 2. If you want to dig deeper and learn other cool things you can do with the Jackson 2 – head on over to the… Continue Reading jackson-collection-array
getdocs
How To Serialize and Deserialize Enums with Jackson 1. Overview This quick tutorial will show how to control the way Java Enums are serialized and deserialized with Jackson 2. To dig a little deeper and learn other cool things we can do Jackson 2 – head on over to the… Continue Reading jackson-serialize-enums
getdocs
Jackson – Marshall String to JsonNode 1. Overview This quick tutorial will show how to use Jackson 2 to convert a JSON String to a JsonNode (com.fasterxml.jackson.databind.JsonNode). If you want to dig deeper and learn other cool things you can do with the Jackson 2 – head on over to… Continue Reading jackson-json-to-jsonnode
getdocs
Count with JsonPath JSON 1. Overview In this quick tutorial, we’ll explore how to use JsonPath to count objects and arrays in a JSON document. JsonPath provides a standard mechanism to traverse through specific parts of a JSON document. We can say JsonPath is to JSON what XPath is to… Continue Reading jsonpath-count
getdocs
Processing JSON with Kotlin and Klaxson 1. Overview Klaxon is one of the open source libraries that we can use to parse JSON in Kotlin. In this tutorial, we’re going to look at its features. 2. Maven Dependency First, we’ll need to add the library dependency to our Maven project: <dependency> <groupId>com.beust</groupId>… Continue Reading kotlin-json-klaxson
getdocs
Serialize Only Fields that meet a Custom Criteria with Jackson 1. Overview This tutorial is going to illustrate how we can use Jackson to only serialize a field if it meets a specific, custom criteria. For example, say we only want to serialize an integer value if it’s positive –… Continue Reading jackson-serialize-field-custom-criteria
getdocs
Jackson – Working with Maps and nulls 1. Overview In this quick article, we’re going to look at a more advanced use-case of using Jackson – working with Maps that contain null values or null keys. 2. Ignore Nulls Values in a Map Jackson has a simple but useful way… Continue Reading jackson-map-null-values-or-null-key
getdocs
XML Serialization and Deserialization with Jackson 1. Overview In this tutorial, we’re going to look at how to serialize Java objects to XML data using Jackson 2.x and deserialize it back to a POJO. We’ll focus on the basic operation that doesn’t require a lot of complexity or customization. 2.… Continue Reading jackson-xml-serialization-and-deserialization