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KristerV/dpd.json

Last active November 17, 2015 12:30
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dpd.json
[
{
"kg": 0.5,
"m3": null,
"estonia": {
"zone1": 4.27,
"zone2": 4.79,
"zone3": 5.24,
"zone4": 5.91
},
"latvia": {
"zone1": 9.28,
"zone2": 9.95,
"zone3": 11.97
},
"lithuania": {
"zone1": 9.50,
"zone2": 10.17,
"zone3": 12.26
}
},
{
"kg": 3,
"m3": null,
"estonia": {
"zone1": 4.64,
"zone2": 5.16,
"zone3": 5.99,
"zone4": 6.96
},
"latvia": {
"zone1": 10.62,
"zone2": 11.00,
"zone3": 13.54
},
"lithuania": {
"zone1": 10.85,
"zone2": 11.36,
"zone3": 13.98
}
},
{
"kg": 5,
"m3": null,
"estonia": {
"zone1": 5.16,
"zone2": 5.99,
"zone3": 6.96,
"zone4": 8.30
},
"latvia": {
"zone1": 12.79,
"zone2": 13.62,
"zone3": 17.13
},
"lithuania": {
"zone1": 13.16,
"zone2": 13.98,
"zone3": 17.64
}
},
{
"kg": 10,
"m3": null,
"estonia": {
"zone1": 5.69,
"zone2": 6.59,
"zone3": 7.78,
"zone4": 9.28
},
"latvia": {
"zone1": 13.83,
"zone2": 14.88,
"zone3": 18.63
},
"lithuania": {
"zone1": 14.29,
"zone2": 15.41,
"zone3": 19.07
}
},
{
"kg": 15,
"m3": null,
"estonia": {
"zone1": 6.35,
"zone2": 7.41,
"zone3": 8.60,
"zone4": 10.32
},
"latvia": {
"zone1": 15.26,
"zone2": 16.31,
"zone3": 20.50
},
"lithuania": {
"zone1": 15.78,
"zone2": 16.98,
"zone3": 21.01
}
},
{
"kg": 20,
"m3": null,
"estonia": {
"zone1": 7.34,
"zone2": 8.53,
"zone3": 9.87,
"zone4": 11.82
},
"latvia": {
"zone1": 17.13,
"zone2": 18.47,
"zone3": 24.30
},
"lithuania": {
"zone1": 17.73,
"zone2": 19.07,
"zone3": 25.27
}
},
{
"kg": 25,
"m3": null,
"estonia": {
"zone1": 8.90,
"zone2": 10.47,
"zone3": 12.19,
"zone4": 14.59
},
"latvia": {
"zone1": 19.45,
"zone2": 23.63,
"zone3": 28.42
},
"lithuania": {
"zone1": 20.79,
"zone2": 24.15,
"zone3": 29.99
}
},
{
"kg": 31.5,
"m3": null,
"estonia": {
"zone1": 10.17,
"zone2": 11.82,
"zone3": 13.91,
"zone4": 16.68
},
"latvia": {
"zone1": 22.14,
"zone2": 26.02,
"zone3": 34.85
},
"lithuania": {
"zone1": 24.01,
"zone2": 26.62,
"zone3": 37.39
}
},
{
"kg": 50,
"m3": 0.2,
"estonia": {
"zone1": 13.09,
"zone2": 16.15,
"zone3": 19.36,
"zone4": 23.26
},
"latvia": {
"zone1": 28.79,
"zone2": 35.97,
"zone3": 41.35
},
"lithuania": {
"zone1": 31.03,
"zone2": 37.02,
"zone3": 45.16
}
},
{
"kg": 75,
"m3": 0.3,
"estonia": {
"zone1": 14.73,
"zone2": 18.85,
"zone3": 22.58,
"zone4": 27.14
},
"latvia": {
"zone1": 34.92,
"zone2": 42.18,
"zone3": 48.53
},
"lithuania": {
"zone1": 37.84,
"zone2": 43.52,
"zone3": 52.19
}
},
{
"kg": 100,
"m3": 0.4,
"estonia": {
"zone1": 16.53,
"zone2": 20.49,
"zone3": 23.77,
"zone4": 28.49
},
"latvia": {
"zone1": 39.93,
"zone2": 49.95,
"zone3": 57.42
},
"lithuania": {
"zone1": 44.57,
"zone2": 51.22,
"zone3": 61.47
}
},
{
"kg": 150,
"m3": 0.6,
"estonia": {
"zone1": 19.59,
"zone2": 25.27,
"zone3": 30.36,
"zone4": 37.02
},
"latvia": {
"zone1": 47.03,
"zone2": 57.28,
"zone3": 65.88
},
"lithuania": {
"zone1": 51.22,
"zone2": 58.92,
"zone3": 71.93
}
},
{
"kg": 200,
"m3": 0.8,
"estonia": {
"zone1": 22.43,
"zone2": 28.04,
"zone3": 33.65,
"zone4": 41.06
},
"latvia": {
"zone1": 50.54,
"zone2": 63.19,
"zone3": 72.68
},
"lithuania": {
"zone1": 58.17,
"zone2": 66.92,
"zone3": 80.31
}
},
{
"kg": 300,
"m3": 1.2,
"estonia": {
"zone1": 25.87,
"zone2": 32.37,
"zone3": 38.81,
"zone4": 47.34
},
"latvia": {
"zone1": 63.41,
"zone2": 79.27,
"zone3": 91.90
},
"lithuania": {
"zone1": 68.20,
"zone2": 85.25,
"zone3": 99.53
}
},
{
"kg": 400,
"m3": 1.6,
"estonia": {
"zone1": 29.46,
"zone2": 36.78,
"zone3": 44.04,
"zone4": 53.91
},
"latvia": {
"zone1": 69.24,
"zone2": 86.52,
"zone3": 99.53
},
"lithuania": {
"zone1": 77.17,
"zone2": 96.47,
"zone3": 112.17
}
},
{
"kg": 500,
"m3": 2.0,
"estonia": {
"zone1": 33.12,
"zone2": 41.43,
"zone3": 49.73,
"zone4": 60.86
},
"latvia": {
"zone1": 80.68,
"zone2": 100.88,
"zone3": 116.05
},
"lithuania": {
"zone1": 87.12,
"zone2": 108.95,
"zone3": 125.25
}
},
{
"kg": 600,
"m3": 2.4,
"estonia": {
"zone1": 39.56,
"zone2": 49.43,
"zone3": 59.38,
"zone4": 72.39
},
"latvia": {
"zone1": 93.40,
"zone2": 116.80,
"zone3": 134.30
},
"lithuania": {
"zone1": 104.46,
"zone2": 130.56,
"zone3": 150.15
}
},
{
"kg": 700,
"m3": 2.8,
"estonia": {
"zone1": 43.37,
"zone2": 54.22,
"zone3": 65.05,
"zone4": 79.34
},
"latvia": {
"zone1": 106.70,
"zone2": 133.32,
"zone3": 153.36
},
"lithuania": {
"zone1": 123.68,
"zone2": 154.57,
"zone3": 177.75
}
},
{
"kg": 800,
"m3": 3.2,
"estonia": {
"zone1": 47.78,
"zone2": 59.75,
"zone3": 71.71,
"zone4": 86.66
},
"latvia": {
"zone1": 119.34,
"zone2": 149.26,
"zone3": 171.62
},
"lithuania": {
"zone1": 126.75,
"zone2": 158.45,
"zone3": 182.23
}
},
{
"kg": 900,
"m3": 3.6,
"estonia": {
"zone1": 53.09,
"zone2": 66.40,
"zone3": 79.64,
"zone4": 97.13
},
"latvia": {
"zone1": 126.68,
"zone2": 158.30,
"zone3": 182.08
},
"lithuania": {
"zone1": 129.81,
"zone2": 162.27,
"zone3": 186.57
}
},
{
"kg": 1000,
"m3": 4.0,
"estonia": {
"zone1": 61.69,
"zone2": 77.09,
"zone3": 92.57,
"zone4": 112.92
},
"latvia": {
"zone1": 163.24,
"zone2": 204.06,
"zone3": 234.64
},
"lithuania": {
"zone1": 172.13,
"zone2": 215.13,
"zone3": 247.43
}
}
]
Raw
importJSON.java
package json;
import com.google.gson.Gson;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.lang.reflect.Field;
public class importJSON {
// Esiteks lae alla Gson.jar ja pane projekti kausta kuskile. Soovitatavalt /lib kausta
// Siis pead projektile ütlema, et lisaks plugina projekti (File->ProjectStructure->Libraries)
// Nüüd saa Gsoni kasutada ja importida
public static void main(String[] args)
throws FileNotFoundException, NoSuchFieldException, IllegalAccessException {
// Avame faili
FileReader reader = new FileReader("/home/krister/code/javaHarjutused/src/json/dpd.json");
// Impordime faili Javasse
Gson gson = new Gson();
KaaluObjekt[] andmed = gson.fromJson(reader, KaaluObjekt[].class); // KaaluObjekt klassi defineerisin all
// Testime. Näiteks kui kallis on tsoon 2, läti, 5kg?
double kaal = 0.5;
String riik = "latvia";
String tsoon = "zone2";
double hind = 0;
for (int i = 0; i < andmed.length; i++) {
if (andmed[i].kg == 5) {
// Tegelt saab otse ka: andmed[i].latvia.zone2
// Aga kui tahta muutujatega väärtust kätte saada on veits keerukam:
Object riigiAndmed = andmed[i].getClass().getDeclaredField(riik).get(andmed[i]); // andmed[5kg]->latvia
Object tsooniAndmed = riigiAndmed.getClass().getDeclaredField(tsoon).get(riigiAndmed); // latvia->zone2
hind = (double) tsooniAndmed; // (double) zone2
}
}
System.out.println(hind);
}
}
// Need kaks klassi määravad ära mis muutujaid salvestada.
// Selle struktuur vastab 1:1 JSONi sisuga.
// Tsoonide jaoks on eraldi klassi vaja, kuna tegu on JSONis eraldi objektiga {key: value}
class KaaluObjekt
{
double kg;
double m3;
Tsoonid estonia;
Tsoonid latvia;
Tsoonid lithuania;
}
class Tsoonid
{
double zone1;
double zone2;
double zone3;
double zone4;
}
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