Module de.agilecoders.wicket.jquery
Package de.agilecoders.wicket.jquery.util

Class Json

java.lang.Object
de.agilecoders.wicket.jquery.util.Json
public final class Json extends Object
Helper functions to handle JsonNode values.
Author:
miha

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static final class 
    Json.ParseException
    Json parser runtime exception.
    static final class 
    Json.RawValue
    An object that can be used to render raw String value, i.e.

  • Method Summary

    Modifier and Type
    Method
    Description
    static <T> T
    fromJson(com.fasterxml.jackson.databind.JsonNode json, Class<T> clazz)
    Convert a JsonNode to a Java value
    static <T> T
    fromJson(String json, com.fasterxml.jackson.databind.JavaType type)
    Convert a string to a Java value
    static <T> T
    fromJson(String json, Class<T> clazz)
    Convert a JsonNode to a Java value
    static boolean
    isValid(String json)
    verifies a valid json string
    static com.fasterxml.jackson.databind.node.ObjectNode
    newObject()
    Creates a new empty ObjectNode.
    static com.fasterxml.jackson.databind.JsonNode
    parse(String jsonString)
    Parse a String representing a json, and return it as a JsonNode.
    static String
    stringify(com.fasterxml.jackson.databind.JsonNode json)
    Convert a JsonNode to its string representation.
    static String
    stringify(Object data)
    Convert an object to a json string representation.
    static com.fasterxml.jackson.databind.JsonNode
    toJson(Object data)
    Convert an object to JsonNode.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Method Details

    • fromJson

      public static <T> T fromJson(String json, com.fasterxml.jackson.databind.JavaType type)
      Convert a string to a Java value
      Type Parameters:
      T - type of return object
      Parameters:
      json - Json value to convert.
      type - Expected Java value type.
      Returns:
      casted value of given json object
      Throws:
      Json.ParseException - to runtime if json node can't be casted to clazz.

    • toJson

      public static com.fasterxml.jackson.databind.JsonNode toJson(Object data)
      Convert an object to JsonNode.
      Parameters:
      data - Value to convert in Json.
      Returns:
      creates a new json object from given data object
      Throws:
      Json.ParseException - to runtime if object can't be parsed

    • fromJson

      public static <T> T fromJson(com.fasterxml.jackson.databind.JsonNode json, Class<T> clazz)
      Convert a JsonNode to a Java value
      Type Parameters:
      T - type of return object
      Parameters:
      json - Json value to convert.
      clazz - Expected Java value type.
      Returns:
      casted value of given json object
      Throws:
      Json.ParseException - to runtime if json node can't be casted to clazz.

    • fromJson

      public static <T> T fromJson(String json, Class<T> clazz)
      Convert a JsonNode to a Java value
      Type Parameters:
      T - type of return object
      Parameters:
      json - Json value to convert.
      clazz - Expected Java value type.
      Returns:
      casted value of given json object

    • newObject

      public static com.fasterxml.jackson.databind.node.ObjectNode newObject()
      Creates a new empty ObjectNode.
      Returns:
      a new empty json object.

    • stringify

      public static String stringify(com.fasterxml.jackson.databind.JsonNode json)
      Convert a JsonNode to its string representation. If given value is null an empty json object will returned.
      Parameters:
      json - The json object to toJsonString
      Returns:
      stringified version of given json object

    • stringify

      public static String stringify(Object data)
      Convert an object to a json string representation. If given value is null an empty json object will returned.
      Parameters:
      data - The data object to toJsonString
      Returns:
      stringified version of given json object

    • isValid

      public static boolean isValid(String json)
      verifies a valid json string
      Parameters:
      json - The json string
      Returns:
      true, if string is a valid json string

    • parse

      public static com.fasterxml.jackson.databind.JsonNode parse(String jsonString)
      Parse a String representing a json, and return it as a JsonNode.
      Parameters:
      jsonString - string to parse
      Returns:
      parsed json string as json node
      Throws:
      Json.ParseException - to runtime if json string can't be parsed