Java tutorial
/* * The MIT License * * Copyright 2016 charleszamora. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package ph.com.globe.connect; import java.net.URISyntaxException; import java.util.Map; import java.util.HashMap; import com.facebook.react.bridge.Callback; import com.facebook.react.bridge.ReactApplicationContext; import com.facebook.react.bridge.ReactMethod; import org.apache.http.client.utils.URIBuilder; /** * Payment Services Class. * * @author Charles Zamora czamora@openovate.com */ public class Payment extends Context { /* Payment API Url */ private final String PAYMENT_URL = "https://devapi.globelabs.com.ph/payment/v1/transactions/amount"; /* Payment last reference url */ private final String LAST_REF_URL = "https://devapi.globelabs.com.ph/payment/v1/transactions/getLastRefCode"; /* API app id */ protected String appId = null; /* API app secret */ protected String appSecret = null; /* API Access token */ protected String accessToken = null; /* Payment amount */ protected double amount = 0.00; /* Payment description */ protected String description = null; /* User id / Subscribers number */ protected String endUserId = null; /* Custom reference code */ protected String referenceCode = null; /* Resource state */ protected String transactionOperationStatus = null; /** * Create Payment class without parameters. * * @param reactContext */ public Payment(ReactApplicationContext reactContext) { super(reactContext); } /** * Set API app id. * * @param appId app id * @return this */ @ReactMethod public Payment setAppId(String appId) { // set app id this.appId = appId; return this; } /** * Set API app secret. * * @param appSecret app secret * @return this */ @ReactMethod public Payment setAppSecret(String appSecret) { // set app secret this.appSecret = appSecret; return this; } /** * Sets access token. * * @param accessToken access token * @return this */ @ReactMethod public Payment setAccessToken(String accessToken) { // set access token this.accessToken = accessToken; return this; } /** * Sets payment amount. * * @param amount payment amount * @return this */ @ReactMethod public Payment setAmount(double amount) { // set amount this.amount = amount; return this; } /** * Set payment description. * * @param description payment description * @return this */ @ReactMethod public Payment setDescription(String description) { // set description this.description = description; return this; } /** * Set end user id. * * @param endUserId end user id * @return this */ @ReactMethod public Payment setEndUserId(String endUserId) { // set end user id this.endUserId = endUserId; return this; } /** * Set reference code. * * @param referenceCode reference code * @return this */ @ReactMethod public Payment setReferenceCode(String referenceCode) { // set reference code this.referenceCode = referenceCode; return this; } /** * Set transaction operation status. * * @param transactionOperationStatus resource state * @return this */ @ReactMethod public Payment setTransactionOperationStatus(String transactionOperationStatus) { // set transaction operation status this.transactionOperationStatus = transactionOperationStatus; return this; } /** * Sends payment request. * * @param amount payment amount * @param description payment description * @param endUserId end user id * @param referenceCode custom reference code * @param transactionOperationStatus resource state * @param success * @param error * @return void * @throws ApiException api exception * @throws HttpRequestException http request exception * @throws HttpResponseException http response exception */ public void sendPaymentRequest(double amount, String description, String endUserId, String referenceCode, String transactionOperationStatus, final Callback success, final Callback error) throws ApiException, HttpRequestException, HttpResponseException { // build url String url = this.buildUrl(this.PAYMENT_URL); // set base data Map<String, Object> data = new HashMap<>(); // set amount data.put("amount", String.format("%.2f", amount)); // set description data.put("description", description); // set end user id data.put("endUserId", endUserId); // set reference code data.put("referenceCode", referenceCode); // set transaction operation status data.put("transactionOperationStatus", transactionOperationStatus); // send request new HttpRequest() // set url .setUrl(url) // set data .setData(data) // set async handler .setAsyncHandler(new AsyncHandler() { @Override public void response(HttpResponse response) throws HttpResponseException { // try parsing try { // send response success.invoke(response.convertJsonToMap(response.getJsonResponse())); } catch (HttpResponseException e) { error.invoke(e.getMessage()); } } }) // execute async post .execute("post"); } /** * Sends payment request. * * @param success * @param error * @return void * @throws ApiException api exception * @throws HttpRequestException http request exception * @throws HttpResponseException http response exception */ @ReactMethod public void sendPaymentRequest(Callback success, Callback error) throws ApiException, HttpRequestException, HttpResponseException { // call send payment request this.sendPaymentRequest(this.amount, this.description, this.endUserId, this.referenceCode, this.transactionOperationStatus, success, error); } /** * Get last reference code request. * * @param success * @param error * @return void * @throws ApiException api exception * @throws HttpRequestException http request exception * @throws HttpResponseException http response exception */ @ReactMethod public void getLastReferenceCode(final Callback success, final Callback error) throws ApiException, HttpRequestException, HttpResponseException { // build url String url = this.buildUrl(this.LAST_REF_URL, this.appId, this.appSecret); // send request new HttpRequest() // set url .setUrl(url) // set async handler .setAsyncHandler(new AsyncHandler() { @Override public void response(HttpResponse response) throws HttpResponseException { // try parsing try { // send response success.invoke(response.convertJsonToMap(response.getJsonResponse())); } catch (HttpResponseException e) { error.invoke(e.getMessage()); } } }) // send get request .execute("get"); } /** * Build request url. * * @param url target url * @return String * @throws ApiException api exception */ protected String buildUrl(String url) throws ApiException { // try parsing url try { // initialize url builder URIBuilder builder = new URIBuilder(url); // set access token parameter builder.setParameter("access_token", this.accessToken); // build the url url = builder.build().toString(); return url; } catch (URISyntaxException e) { // throw exception throw new ApiException(e.getMessage()); } } /** * Build request url. * * @param url target url * @param appId app id * @param appSecret app secret * @return String * @throws ApiException api exception */ protected String buildUrl(String url, String appId, String appSecret) throws ApiException { // try parsing url try { // initialize url builder URIBuilder builder = new URIBuilder(url); // set app id parameter builder.setParameter("app_id", appId); // set app secret parameter builder.setParameter("app_secret", appSecret); // build the url url = builder.build().toString(); return url; } catch (URISyntaxException e) { // throw exception throw new ApiException(e.getMessage()); } } }