Java tutorial
/* * Copyright (c) 2010 - 2015 Ushahidi Inc * All rights reserved * Contact: team@ushahidi.com * Website: http://www.ushahidi.com * GNU Lesser General Public License Usage * This file may be used under the terms of the GNU Lesser * General Public License version 3 as published by the Free Software * Foundation and appearing in the file LICENSE.LGPL included in the * packaging of this file. Please review the following information to * ensure the GNU Lesser General Public License version 3 requirements * will be met: http://www.gnu.org/licenses/lgpl.html. * * If you have questions regarding the use of this file, please contact * Ushahidi developers at team@ushahidi.com. */ package org.addhen.smssync.net; import com.google.gson.Gson; import org.addhen.smssync.R; import org.addhen.smssync.models.Message; import org.addhen.smssync.models.SmssyncResponse; import org.addhen.smssync.models.SyncUrl; import org.addhen.smssync.net.SyncScheme.SyncDataFormat; import org.addhen.smssync.net.SyncScheme.SyncDataKey; import org.addhen.smssync.net.SyncScheme.SyncMethod; import org.addhen.smssync.util.DataFormatUtil; import org.addhen.smssync.util.Util; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.protocol.HTTP; import android.content.Context; import android.content.res.Resources; import android.text.TextUtils; import java.util.Locale; public class MessageSyncHttpClient extends MainHttpClient { private SyncUrl syncUrl; private String serverError; private String clientError; private SmssyncResponse smssyncResponse; public MessageSyncHttpClient(Context context, SyncUrl syncUrl, Message message, String toNumber, String deviceId) { super(syncUrl.getUrl(), context); this.syncUrl = syncUrl; initRequest(message, toNumber, deviceId); } private void initRequest(Message message, String toNumber, String deviceId) { SyncScheme syncScheme = syncUrl.getSyncScheme(); SyncMethod method = syncScheme.getMethod(); SyncDataFormat format = syncScheme.getDataFormat(); setHeader("Content-Type", syncScheme.getContentType()); addParam(syncScheme.getKey(SyncDataKey.SECRET), syncUrl.getSecret()); addParam(syncScheme.getKey(SyncDataKey.FROM), message.getPhoneNumber()); addParam(syncScheme.getKey(SyncDataKey.MESSAGE), message.getBody()); if (message.getDate() != null) { addParam(syncScheme.getKey(SyncDataKey.SENT_TIMESTAMP), String.valueOf(message.getDate().getTime())); } addParam(syncScheme.getKey(SyncDataKey.SENT_TO), toNumber); addParam(syncScheme.getKey(SyncDataKey.MESSAGE_ID), message.getUuid()); addParam(syncScheme.getKey(SyncDataKey.DEVICE_ID), deviceId); try { setHttpEntity(format); } catch (Exception e) { log("Failed to set request body", e); setClientError("Failed to format request body" + e.getLocalizedMessage()); } try { switch (method) { case POST: setMethod(HttpMethod.POST); break; case PUT: setMethod(HttpMethod.PUT); break; default: log("Invalid server method"); setClientError("Failed to set request method."); } } catch (Exception e) { log("failed to set request method.", e); setClientError("Failed to set request method."); } } /** * Post sms to the configured sync URL * * @return boolean */ public boolean postSmsToWebService() { try { execute(); String response = getResponse(); int statusCode = responseCode(); if (statusCode != 200 && statusCode != 201) { setServerError("bad http return code", statusCode); return false; } final Gson gson = new Gson(); SmssyncResponse smssyncResponses = gson.fromJson(response, SmssyncResponse.class); if (smssyncResponses.getPayload().isSuccess()) { // auto response message is enabled to be received from the // server. setServerSuccessResp(smssyncResponses); return true; } String payloadError = smssyncResponses.getPayload().getError(); if (!TextUtils.isEmpty(payloadError)) { setServerError(payloadError, statusCode); } else { setServerError(getResponseErrorMessage(), statusCode); } } catch (Exception e) { log("Request failed", e); setClientError("Request failed. " + e.getMessage()); } return false; } /** * Get HTTP Entity populated with data in a format specified by the current sync scheme */ private void setHttpEntity(SyncDataFormat format) throws Exception { switch (format) { case JSON: setStringEntity(DataFormatUtil.makeJSONString(getParams())); log("setHttpEntity format JSON"); Util.logActivities(context, "setHttpEntity format JSON"); break; case XML: //TODO: Make parent node URL specific as well setStringEntity(DataFormatUtil.makeXMLString(getParams(), "payload", HTTP.UTF_8)); log("setHttpEntity format XML"); Util.logActivities(context, context.getString(R.string.http_entity_format, "XML")); break; case YAML: setStringEntity(DataFormatUtil.makeYAMLString(getParams())); log("setHttpEntity format YAML"); Util.logActivities(context, context.getString(R.string.http_entity_format, "YAML")); break; case URLEncoded: log("setHttpEntity format URLEncoded"); Util.logActivities(context, context.getString(R.string.http_entity_format, "URLEncoded")); setEntity(new UrlEncodedFormEntity(getParams(), HTTP.UTF_8)); break; default: Util.logActivities(context, context.getString(R.string.invalid_data_format)); throw new Exception("Invalid data format"); } } public String getClientError() { return this.clientError; } public void setClientError(String error) { log("Client error " + error); Resources res = context.getResources(); this.clientError = String.format(Locale.getDefault(), "%s", res.getString(R.string.sending_failed_custom_error, error)); Util.logActivities(context, clientError); } public String getServerError() { return this.serverError; } public void setServerError(String error, int statusCode) { log("Server error " + error); Resources res = context.getResources(); final String customError = res.getString(R.string.sending_failed_custom_error, error); final String code = res.getString(R.string.sending_failed_http_code, statusCode); this.serverError = String.format("%s %s ", customError, code); Util.logActivities(context, serverError); } public SmssyncResponse getServerSuccessResp() { return this.smssyncResponse; } public void setServerSuccessResp(SmssyncResponse smssyncResponse) { this.smssyncResponse = smssyncResponse; } public SyncUrl getSyncUrl() { return syncUrl; } }