erik/cryptoprice
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Moved from Gradle to bld

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Erik C. Thauvin 2023-11-08 17:05:19 -08:00
parent 5ec9020a9d
commit da5aea6b26
68 changed files with 1520 additions and 792 deletions
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examples/gradle/src/main/java/com/example/CryptoPriceSample.java Normal file
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package com.example;
import net.thauvin.erik.crypto.CryptoException;
import net.thauvin.erik.crypto.CryptoPrice;
import org.json.JSONObject;
import java.io.IOException;
import java.util.Collections;
import java.util.Currency;
import java.util.List;
import java.util.Locale;
public class CryptoPriceSample {
public static void main(final String[] args) {
try {
if (args.length > 0) {
final String currency;
if (args.length == 2) {
currency = args[1];
} else {
currency = Currency.getInstance(Locale.getDefault()).getCurrencyCode();
}
final var price = CryptoPrice.spotPrice(args[0], currency);
System.out.println("The current " + price.getBase() + " price is " + price.toCurrency());
} else {
// Get current Bitcoin spot price.
final var price = CryptoPrice.spotPrice("BTC");
System.out.println("The current Bitcoin price is " + price.toCurrency());
System.out.println();
// Get current Ethereum buy price in Pound sterling.
final var gbpPrice = CryptoPrice.buyPrice("ETH", "GBP");
System.out.println("The current Ethereum buy price is " + gbpPrice.toCurrency());
// Get current Litecoin sell price in Euros.
final var euroPrice = CryptoPrice.sellPrice("LTC", "EUR");
System.out.println("The current Litecoin sell price is " + euroPrice.toCurrency());
System.out.println();
// Get exchange rate using API.
// See: https://docs.cloud.coinbase.com/sign-in-with-coinbase/docs/api-exchange-rates
final var response = CryptoPrice.apiCall(List.of("exchange-rates"),
Collections.singletonMap("currency", "USD"));
final var rates = new JSONObject(response).getJSONObject("data").getJSONObject("rates");
System.out.println("The USD-EUR exchange rate is: " + rates.getString("EUR"));
}
} catch (CryptoException e) {
System.err.println("HTTP Status Code: " + e.getStatusCode());
System.err.println(e.getMessage() + " (" + e.getId() + ')');
} catch (IllegalArgumentException e) {
System.err.println("Could not display the specified currency: " + args[1]);
} catch (IOException e) {
System.err.println(e.getMessage());
}
}
}