Package io.github.astrapi69.json

Class JsonFileToObjectExtensions

  • public final class JsonFileToObjectExtensions
extends java.lang.Object
    The class JsonFileToObjectExtensions converts json strings to java object and java collections.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static <K,​V>
      java.util.Map<K,​V>      		 toMapObject​(java.io.File jsonFile, com.fasterxml.jackson.core.type.TypeReference<java.util.Map<K,​V>> typeReference)
      Transforms the given json file into a java map object
      static <K,​V>
      java.util.Map<K,​V>      		 toMapObject​(java.io.File jsonFile, com.fasterxml.jackson.core.type.TypeReference<java.util.Map<K,​V>> typeReference, com.fasterxml.jackson.databind.ObjectMapper mapper)
      Transforms the given json file into a java map object
      static <T> T toObject​(java.io.File jsonFile, com.fasterxml.jackson.core.type.TypeReference<T> typeReference, com.fasterxml.jackson.databind.ObjectMapper mapper)
      Transforms the given json file into a java object.
      static <T> T toObject​(java.io.File jsonFile, java.lang.Class<T> clazz)
      Transforms the given json file into a java object.
      static <T> T toObject​(java.io.File jsonFile, java.lang.Class<T> clazz, com.fasterxml.jackson.databind.ObjectMapper mapper)
      Transforms the given json file into a java object.
      static <T> java.util.Collection<T> toObjectCollection​(java.io.File jsonFile, java.lang.Class<? extends java.util.Collection> collectionClass, java.lang.Class<T> elementClass)
      Transforms the given json file into a java object Collection
      static <T> java.util.List<T> toObjectList​(java.io.File jsonFile, java.lang.Class<T> elementClass)
      Transforms the given json string into a java object List

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • toMapObject

        public static <K,​V> java.util.Map<K,​V> toMapObject​(java.io.File jsonFile,
                                                               com.fasterxml.jackson.core.type.TypeReference<java.util.Map<K,​V>> typeReference)
                                                        throws java.io.IOException
        Transforms the given json file into a java map object
        Type Parameters:
        K - the generic type of keys
        V - the generic type of values
        Parameters:
        jsonFile - the json file
        typeReference - the type reference
        Returns:
        the t
        Throws:
        java.io.IOException - Signals that an I/O exception has occurred

      • toMapObject

        public static <K,​V> java.util.Map<K,​V> toMapObject​(java.io.File jsonFile,
                                                               com.fasterxml.jackson.core.type.TypeReference<java.util.Map<K,​V>> typeReference,
                                                               com.fasterxml.jackson.databind.ObjectMapper mapper)
                                                        throws java.io.IOException
        Transforms the given json file into a java map object
        Type Parameters:
        K - the generic type of keys
        V - the generic type of values
        Parameters:
        jsonFile - the json file
        typeReference - the type reference
        mapper - the object mapper
        Returns:
        the t
        Throws:
        java.io.IOException - Signals that an I/O exception has occurred

      • toObject

        public static <T> T toObject​(java.io.File jsonFile,
                             java.lang.Class<T> clazz)
                      throws java.io.IOException
        Transforms the given json file into a java object.
        Type Parameters:
        T - the generic type
        Parameters:
        jsonFile - the json file
        clazz - the clazz
        Returns:
        the t
        Throws:
        java.io.IOException - Signals that an I/O exception has occurred

      • toObject

        public static <T> T toObject​(java.io.File jsonFile,
                             java.lang.Class<T> clazz,
                             com.fasterxml.jackson.databind.ObjectMapper mapper)
                      throws java.io.IOException
        Transforms the given json file into a java object.
        Type Parameters:
        T - the generic type
        Parameters:
        jsonFile - the json file
        clazz - the clazz
        mapper - the mapper
        Returns:
        the t
        Throws:
        java.io.IOException - Signals that an I/O exception has occurred

      • toObject

        public static <T> T toObject​(java.io.File jsonFile,
                             com.fasterxml.jackson.core.type.TypeReference<T> typeReference,
                             com.fasterxml.jackson.databind.ObjectMapper mapper)
                      throws java.io.IOException
        Transforms the given json file into a java object.
        Type Parameters:
        T - the generic type
        Parameters:
        jsonFile - the json file
        typeReference - the type reference
        mapper - the mapper
        Returns:
        the t
        Throws:
        java.io.IOException - Signals that an I/O exception has occurred

      • toObjectCollection

        public static <T> java.util.Collection<T> toObjectCollection​(java.io.File jsonFile,
                                                             java.lang.Class<? extends java.util.Collection> collectionClass,
                                                             java.lang.Class<T> elementClass)
                                                      throws java.io.IOException
        Transforms the given json file into a java object Collection
        Type Parameters:
        T - the generic type of the return type
        Parameters:
        jsonFile - the json file
        collectionClass - the collection class
        elementClass - the element class
        Returns:
        the list with the java objects.
        Throws:
        java.io.IOException - Signals that an I/O exception has occurred

      • toObjectList

        public static <T> java.util.List<T> toObjectList​(java.io.File jsonFile,
                                                 java.lang.Class<T> elementClass)
                                          throws java.io.IOException
        Transforms the given json string into a java object List
        Type Parameters:
        T - the generic type of the return type
        Parameters:
        jsonFile - the json file
        elementClass - the element class of the generic type
        Returns:
        the list with the java objects
        Throws:
        java.io.IOException - Signals that an I/O exception has occurred.