xmrwallet/app/src/main/java/com/m2049r/xmrwallet/service/exchange/yadio/ExchangeApiImpl.java

105 lines
3.8 KiB
Java

/*
* Copyright (c) 2019 m2049r@monerujo.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// https://developer.android.com/training/basics/network-ops/xml
package com.m2049r.xmrwallet.service.exchange.yadio;
import androidx.annotation.NonNull;
import androidx.annotation.VisibleForTesting;
import com.m2049r.xmrwallet.service.exchange.api.ExchangeApi;
import com.m2049r.xmrwallet.service.exchange.api.ExchangeCallback;
import com.m2049r.xmrwallet.service.exchange.api.ExchangeException;
import com.m2049r.xmrwallet.util.NetCipherHelper;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
import okhttp3.Call;
import okhttp3.HttpUrl;
import okhttp3.Response;
import timber.log.Timber;
public class ExchangeApiImpl implements ExchangeApi {
@NonNull
private final HttpUrl baseUrl;
//so we can inject the mockserver url
@VisibleForTesting
public ExchangeApiImpl(@NonNull final HttpUrl baseUrl) {
this.baseUrl = baseUrl;
}
public ExchangeApiImpl() {
this(HttpUrl.parse("https://api.yadio.io/convert/1/eur"));
}
@Override
public String getName() {
return "yadio";
}
@Override
public void queryExchangeRate(@NonNull final String baseCurrency, @NonNull final String quoteCurrency,
@NonNull final ExchangeCallback callback) {
if (!baseCurrency.equals("EUR")) {
callback.onError(new IllegalArgumentException("Only EUR supported as base"));
return;
}
if (baseCurrency.equals(quoteCurrency)) {
callback.onSuccess(new ExchangeRateImpl(quoteCurrency, 1.0, 0));
return;
}
final HttpUrl url = baseUrl.newBuilder()
.addPathSegments(quoteCurrency.substring(0, 3))
.build();
final NetCipherHelper.Request httpRequest = new NetCipherHelper.Request(url);
httpRequest.enqueue(new okhttp3.Callback() {
@Override
public void onFailure(@NonNull final Call call, @NonNull final IOException ex) {
callback.onError(ex);
}
@Override
public void onResponse(@NonNull final Call call, @NonNull final Response response) throws IOException {
if (response.isSuccessful()) {
try {
assert response.body() != null;
final JSONObject json = new JSONObject(response.body().string());
if (json.has("error")) {
Timber.d("%d: %s", response.code(), json.getString("error"));
callback.onError(new ExchangeException(response.code(), json.getString("error")));
return;
}
double rate = json.getDouble("rate");
long timestamp = json.getLong("timestamp");
callback.onSuccess(new ExchangeRateImpl(quoteCurrency, rate, timestamp));
} catch (JSONException ex) {
callback.onError(ex);
}
} else {
callback.onError(new ExchangeException(response.code(), response.message()));
}
}
});
}
}