import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;

import com.google.gson.FieldNamingPolicy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.stream.JsonReader;

public class GsonReader {

private String path = "D:\ImportantStuff\Validis\Automation\json.txt";

public void requestGson() throws FileNotFoundException {
    Gson gson = new GsonBuilder()
            .disableHtmlEscaping()
            .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
            .setPrettyPrinting()
            .serializeNulls()
            .create();
    JsonReader reader = new JsonReader(new FileReader(path));
    //BufferedReader reader = new BufferedReader(new FileReader(path));
    Object json = gson.fromJson(reader, Model.class);
    System.out.println(json.toString());
 }
}

import java.io.FileNotFoundException;

public class Main {

public static void main(String[] args) throws FileNotFoundException {
    GsonReader r = new GsonReader();
    r.requestGson();

 }

}

public class Model {
    private String name;
    private String type;
    private String value;

public Model(String name, String type, String value){
    this.name = name;
    this.type = type;
    this.value = value;
}

public String getName(){
    return name;
}

public void setName(String name){
    this.name = name;
}

public String getType(){
    return type;
}

public void setType(String type){
    this.type = type;
}

public String getValue(){
    return value;
}

public void setValue(String value){
    this.value = value;
 }
}