testing sample code

src/test/java/io/aexp/api/client/core/PayWithRewardsClientTest.java

@@ -0,0 +1,179 @@
+package io.aexp.api.client.core;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.aexp.api.client.core.configuration.PropertiesConfigurationProvider;
+import io.aexp.api.client.core.security.authentication.AuthProvider;
+import io.aexp.api.client.core.security.authentication.HmacAuthBuilder;
+import io.aexp.api.client.core.utils.JsonUtility;
+import okhttp3.*;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Map;
+import java.util.Properties;
+
+public class PayWithRewardsClientTest {
+
+    String client_id = "Sf6WXs6GjkUSDly9UItj3GPRslAVsxCM";
+    String client_secret = "OMJtRxsoTTJMicQWataT0PZF1ugpP7Ym";
+    SimpleDateFormat date_format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
+
+    @Test
+    public void test() throws Exception {
+
+        // prepare search message
+        Card card = new Card();
+        card.setNumber("375987654321001");
+
+        SearchRewardsMessage message = new SearchRewardsMessage();
+        message.setMerchantId("PWP_ONLINE");
+        message.setCard(card);
+        message.setTimestamp(timestamp());
+
+        String payload = JsonUtility.getInstance().getString(message);
+
+        // test client
+        String response = searchRewards(payload, client_id, client_secret);
+        System.out.println(response);
+    }
+
+    String timestamp() {
+        return date_format.format(new Date());
+    }
+
+    // -- sample client body ---------------------------------------------------------------------------------------------------------------------
+    //
+    private static final String SEARCH_REWARDS_RESOURCE_URL = "https://api.qasb.americanexpress.com/loyalty/v1/accounts/rewards/search";
+    private static final MediaType JSON_MEDIA_TYPE = MediaType.parse("application/json; charset=utf-8");
+
+    public String searchRewards(String searchPayload, String CLIENT_ID, String CLIENT_SECRET) throws IOException {
+        Properties properties = new Properties();
+        properties.put("CLIENT_KEY", CLIENT_ID);
+        properties.put("CLIENT_SECRET", CLIENT_SECRET);
+        properties.put("REWARDS_SEARCH_RESOURCE_URL", SEARCH_REWARDS_RESOURCE_URL);
+        PropertiesConfigurationProvider configurationProvider = new PropertiesConfigurationProvider();
+        configurationProvider.setProperties(properties);
+
+        AuthProvider authProvider = HmacAuthBuilder.getBuilder()
+                .setConfiguration(configurationProvider)
+                .build();
+
+        String url = configurationProvider.getValue("REWARDS_SEARCH_RESOURCE_URL");
+
+        HttpUrl httpUrl = HttpUrl.parse(url);
+        HttpUrl.Builder httpUrlBuilder = httpUrl.newBuilder();
+
+        // This generates the AMEX specific authentication headers needed for this API.
+        Map<String, String> headers = authProvider.generateAuthHeaders(searchPayload, url, "POST");
+        RequestBody body = RequestBody.create(JSON_MEDIA_TYPE, searchPayload);
+        Request.Builder builder = new Request.Builder()
+                .url(httpUrlBuilder.build())
+                .post(body);
+
+        for (Map.Entry<String, String> header : headers.entrySet()) {
+            builder.addHeader(header.getKey(), header.getValue());
+        }
+        Request request = builder.build();
+
+        OkHttpClient httpClient = new OkHttpClient.Builder().build();
+        Response response = httpClient.newCall(request).execute();
+        return response.body().string();
+    }
+    //
+    // -- sample client body ---------------------------------------------------------------------------------------------------------------------
+
+}
+
+class SearchRewardsMessage implements Serializable {
+
+    @JsonProperty("merchant_client_id")
+    String merchantId;
+
+    @JsonProperty("timestamp")
+    String timestamp;
+
+    @JsonProperty("card")
+    Card card;
+
+    public String getMerchantId() {
+        return merchantId;
+    }
+
+    public void setMerchantId(String merchantId) {
+        this.merchantId = merchantId;
+    }
+
+    public String getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(String timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public Card getCard() {
+        return card;
+    }
+
+    public void setCard(Card card) {
+        this.card = card;
+    }
+}
+
+class VerifyRewardsMessage extends SearchRewardsMessage {
+
+    @JsonProperty("basket")
+    Basket basket;
+
+    public Basket getBasket() {
+        return basket;
+    }
+
+    public void setBasket(Basket basket) {
+        this.basket = basket;
+    }
+}
+
+class Basket implements Serializable {
+
+    @JsonProperty("amount")
+    int amount;
+
+    @JsonProperty("reservation_id")
+    String reservationId;
+
+    public int getAmount() {
+        return amount;
+    }
+
+    public void setAmount(int amount) {
+        this.amount = amount;
+    }
+
+    public String getReservationId() {
+        return reservationId;
+    }
+
+    public void setReservationId(String reservationId) {
+        this.reservationId = reservationId;
+    }
+}
+
+class Card implements Serializable {
+
+    @JsonProperty("number")
+    String number;
+
+    public String getNumber() {
+        return number;
+    }
+
+    public void setNumber(String number) {
+        this.number = number;
+    }
+}
+
+