Spring Batch Json Item Reader and Writer Example
Learn to read or write the records in a JSON file using Spring Batch JsonItemReader and JsonFileItemWriter implementations.
Convert JSON Array to List: Gson, Jackson and Org.json
Learn to use Gson, Jackson, and Org.json libraries to convert a JSON array into an ArrayList of objects with easy-to-understand examples.
Extracting JSON using JsonPath with Examples
Learn to set up and configure JsonPath with examples of extracting information from JSON documents by applying filters using the predicates.
Python JSON – Custom Class Deserialization
Learn to deserialize JSON string and convert deserialized JSON data to a custom class (e.g. User) by extending JSONDecoder or object_hook method. In Python custom deserialization example, we have following User class. Here, birthdate of type datetime and we can define any formatter string for it. 1. Python Custom Deserializer …
Python JSON – Custom Class Serialization
Learn to serialize a complex python class (e.g. User) and write serialized JSON data in file by extending JSONEncoder and custom serialization method. In Python serialize complex object to JSON example, we have following User class. Here, birthdate of type datetime. If we don’t use the custom serialization, we will …
Python – Append to JSON File
Learn to read a JSON file and append JSON data into a file in Python. 1. Steps for Appending to a JSON File In Python, appending JSON to a file consists of the following steps: Refer to the following articles to learn how to read JSON from a file and …
Python – Write JSON to a File
Learn to write JSON data into an existing file using json.dump() method. Also, learn to apply sorting and formatting to the JSON written into the file. For quick reference, below is the code which writes a JSON dictionary object to a “users.json” file. 1. json.dump() Method The json.dump() serializes a …
Python JSON – Read a JSON String
Learn to read JSON string in Python with the help of json.loads() method which converts a given JSON string into a Python object. For quick reference, below is the code which reads a JSON string into a Python object. 1. json.loads() Method The json.loads() deserializes a given JSON string into …
Python JSON – Read a JSON file
Learn to read a JSON file in Python with the help of json.load() method which reads the data into a Python object. For quick reference, below is the code which reads a JSON file to a Python object. 1. json.load() Method The json.load() deserializes a given JSON file from the …
Gson JsonParser
Gson JsonParser is used to parse Json data into a parse tree of JsonElement and thus JsonObject, which can be used to get JSON values using their keys.
Eclipse MOXy: Unmarshal JSON to Java Object
This JAXB tutorial demonstrates using MOXy to convert JSON to Java Object. The JSON can be read from a File or a String as an input source.
Eclipse MOXy: Marshal Java Object to JSON
This Java tutorial uses JAXB and MOXy to marshal Java objects to JSON string or write JSON to file using simple examples.
JSON.simple – Read and Write JSON
JSON.simple is lightweight JSON processing library which can be used to read JSON, write JSON file. Produced JSON will be in full compliance with JSON specification (RFC4627).
Jackson – Marshal and Unmarshal Java Objects to JSON
This Jackson tutorial will teach us to use Jackson ObjectMapper to read and write JSON data into Java Objects. 1. Setting Up Jackson To include Jackson library in our project, we should include jackson-databind dependency which internally pulls the other two needed dependencies i.e. jackson-annotations and jackson-core. We can find the latest …
Jersey + JSONP Example
This tutorial explains how to use JSONP JSON provider with Jersey 2.x. JSONP is also auto-discoverable just like what we discussed in Jersey MOXy example. Table of Contents JSONP maven dependencies/changes REST API code Model bean changes Manually adding JsonProcessingFeature JSONP maven dependencies/changes JSONP media module is one of the …
Spring REST JSON Response Example
In this spring rest json example, we will learn to write RESTFul webservices capable of returning JSON for resources using MappingJackson2JsonView.