Package uk.co.evoco.webdriver.utils

Class JsonUtils

  • public final class JsonUtils
extends Object
    A simple class that helps serialize and deserialize JSON objects in various formats and inputs

    • Constructor Summary

      Constructors 
      Constructor Description
      JsonUtils()  

    • Method Summary

      Modifier and Type Method Description
      static <T> T fromFile​(File file, com.fasterxml.jackson.core.type.TypeReference<T> type)  
      static <T> T fromFile​(File file, Class<T> type)
      Deserialize a JSON from a File to a given class type
      static <T> T fromFile​(InputStream jsonStream, Class<T> type)
      Deserialize a JSON from a File to a given class type
      static <T> T fromFile​(String filePath, Class<T> type)
      Deserialize a JSON from a File to a given class type
      static <T> T fromString​(String jsonString, com.fasterxml.jackson.core.type.TypeReference<T> type)
      Deserialize a JSON from a String to a given class type
      static <T> T fromString​(String jsonString, Class<T> type)
      Deserialize a JSON from a String to a given class type
      static String toString​(Object object)
      Serializes a given object instance into a JSON and returns it as a String

    • Constructor Detail

      • JsonUtils

        public JsonUtils()

    • Method Detail

      • fromString

        public static <T> T fromString​(String jsonString,
                               com.fasterxml.jackson.core.type.TypeReference<T> type)
                        throws com.fasterxml.jackson.core.JsonProcessingException
        Deserialize a JSON from a String to a given class type
        Type Parameters:
        T - generic type
        Parameters:
        jsonString - json string
        type - target class type or collection
        Returns:
        generic class for mapper
        Throws:
        com.fasterxml.jackson.core.JsonProcessingException - if JSON cannot be processed

      • fromString

        public static <T> T fromString​(String jsonString,
                               Class<T> type)
                        throws com.fasterxml.jackson.core.JsonProcessingException
        Deserialize a JSON from a String to a given class type
        Type Parameters:
        T - generic type
        Parameters:
        jsonString - json string
        type - target class type or collection
        Returns:
        generic class for mapper
        Throws:
        com.fasterxml.jackson.core.JsonProcessingException - if JSON cannot be processed

      • fromFile

        public static <T> T fromFile​(File file,
                             Class<T> type)
                      throws IOException
        Deserialize a JSON from a File to a given class type
        Type Parameters:
        T - generic type
        Parameters:
        file - json file
        type - target class type or collection
        Returns:
        generic class for mapper
        Throws:
        IOException - if file cannot be found

      • fromFile

        public static <T> T fromFile​(File file,
                             com.fasterxml.jackson.core.type.TypeReference<T> type)
                      throws IOException
        Type Parameters:
        T - generic type
        Parameters:
        file - json file
        type - target class type of collection
        Returns:
        generic class for mapper
        Throws:
        IOException - if file cannot be found

      • fromFile

        public static <T> T fromFile​(InputStream jsonStream,
                             Class<T> type)
                      throws IOException
        Deserialize a JSON from a File to a given class type
        Type Parameters:
        T - generic type
        Parameters:
        jsonStream - json stream
        type - target class type or collection
        Returns:
        generic class for mapper
        Throws:
        IOException - if file cannot be found

      • fromFile

        public static <T> T fromFile​(String filePath,
                             Class<T> type)
                      throws IOException
        Deserialize a JSON from a File to a given class type
        Type Parameters:
        T - generic type
        Parameters:
        filePath - json file path
        type - target class type or collection
        Returns:
        generic class for mapper
        Throws:
        IOException - if file cannot be found

      • toString

        public static String toString​(Object object)
                       throws com.fasterxml.jackson.core.JsonProcessingException
        Serializes a given object instance into a JSON and returns it as a String
        Parameters:
        object - json object
        Returns:
        String that represents JSON
        Throws:
        com.fasterxml.jackson.core.JsonProcessingException - if JSON cannot be parsed