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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Ballerina - A flexible, powerful, beautiful programming language.</title>
<meta charset="UTF-8">
<meta property="og:url" content="http://ballerinalang.org" />
<meta property="og:type" content="article" />
<meta property="og:title" content="Flexible. Powerful. Beautiful." />
<meta property="og:description" content="Ballerina is a general purpose, concurrent and strongly typed programming language with both textual and graphical syntaxes, optimized for integration." />
<meta property="og:image" content="http://ballerinalang.org/img/ballerina-fb.jpg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="robots" content="index"/>
<meta name="title" content="Ballerina - A flexible, powerful, beautiful programming language">
<meta name="description" content="Ballerina is a general purpose, concurrent and strongly typed programming language with both textual and graphical syntaxes, optimized for integration.">
<meta name="keywords" content="Programing language, Integration language, Sequence diagrams, Ballerinalang, WSO2 Ballerina, ballerina, language, Microservices Enterprise, Integration,">
<meta name="author" content="ballerinalang"/>
<link rel="shortcut icon" href="img/favicon.ico" type="image/x-icon">
<link rel="icon" href="img/favicon.ico" type="image/x-icon">
<!--GA-->
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<script>
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</script>
<!-- Hotjar Tracking Code for http://ballerinalang.org/ END -->
<style>
.hideSlide {
display: none;
}
.cBallerinaTweets {
background-color: rgba(255,255,255,0.8);
display: inline-block;
/* height: 200px;*/
padding: 10px;
position: fixed;
right: 0;
bottom: -50px;
border: 1px solid #c5c5c5;
border-radius: 10px 0 0 0;
width: 220px;
/* border-top: none;*/
}
.cTweetContainerButton {
-moz-border-bottom-colors: none;
-moz-border-left-colors: none;
-moz-border-right-colors: none;
-moz-border-top-colors: none;
background-color: #ffffff;
background-image: url("http://ballerinalang.org/img/down-arrow.svg");
background-position: center center;
background-repeat: no-repeat;
border:1px solid #c5c5c5;
border-image: none;
border-radius: 5px 5px 0 0;
display: inline-block;
float: right;
height: 40px;
margin-right: -11px;
margin-top: -49px;
padding: 0;
width: 40px;
border-bottom: none;
transition: all 0.2s ease-in-out 0s;
cursor: pointer;
}
.cTweetContainerButton:hover {
border-bottom: none;
}
.cBallerinaTweets.cHideTwitter {
bottom: -530px;
transition: all 0.2s ease-in-out 0s;
}
.cBallerinaTweets.cHideTwitter .cTweetContainerButton {
background-image: url("http://ballerinalang.org/img/up-arrow.svg") !important;
}
.row.cBallerna-banner {
background-color: #000000;
background-image: url("hackathon/hackathon-images/intro-bg-orange.jpg");
background-attachment: fixed;
background-size: 100%;
transition: all 0.5s ease-in-out 0s;
padding: 7em 0;
box-shadow: 0 0 44px rgba(0, 0, 0, 0.5) inset;
filter: grayscale(100%);
margin: 0;
position: absolute;
width: 100%;
top: 0;
}
.row.cBallerna-banner:hover {
filter: grayscale(0%);
transition: all 0.5s ease-in-out 0s;
}
.row.cBallerna-banner.cOpenBanner {
margin-bottom: 0;
margin-top: 0;
opacity: 0.9;
padding: 0.5em 0;
bottom: 0;
top: auto;
transition: all 0.5s ease-in-out 0s;
width: 100%;
z-index: 999999;
filter: grayscale(100%);
text-align: center;
position: fixed;
}
.row.cBallerna-banner.cOpenBanner:hover {
opacity: 1;
filter: grayscale(0%);
}
.row.cBallerna-banner img {
width:100%;
transition: all 0.5s ease-in-out 0s;
}
body.cBallerina {
margin-top: 420px;
margin-bottom: 78px;
}
body.cBallerina.cFixdspacer {
margin-top: 0x;
}
.row.cBallerna-banner.cOpenBanner img {
width: 350px;
transition: all 0.5s ease-in-out 0s;
}
.row.cBallerna-banner.cOpenBanner .cBallerna-banner-Container {
height: auto;
}
@media screen and (max-width:991px) {
.cTweetContainerButton , .cBallerinaTweets {
display: none;
}
.row.cBallerna-banner.cOpenBanner {
padding: 2em;
background-size:300%;
}
body.cBallerina {
margin-top: 10em;
}
.row.cBallerna-banner {
padding: 1em;
}
}
@media screen and (max-width:500px) {
body.cBallerina {
margin-top: 5em;
}
.row.cBallerna-banner.cOpenBanner img {
height: 77px;
}
.row.cBallerna-banner.cOpenBanner {
padding: 1.2em;
}
background-size: 600%;
}
</style>
</head>
<body class="cBallerina">
<a href="http://ballerinalang.org/hackathon/?utm_source=bnrhmpg&utm_medium=ballerina&utm_campaign=hpban_ballerinahack_jun17" target="_blank" id="cHomePageHackathonBanner"><div class="row cBallerna-banner">
<div class="container">
<div class="col-xs-12 col-sm-12 col-md-12">
<img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/home-banner-hackathon.svg"/>
</div>
</div>
</div>
</a>
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KW2LLTW"
height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- End Google Tag Manager (noscript) -->
<div class="row cBallerinaNav" id="iBallerinaNavigation">
</div>
<div class="row cBallerinaIntro">
<div class="container">
<div class="col-sm-12 col-md-12">
<h1>Flexible. Powerful. Beautiful.</h1>
</div>
<div class="col-sm-12 col-md-8">
<h2><span>Ballerina</span> is a general purpose, concurrent and strongly typed programming language with both textual and graphical syntaxes, optimized for integration.</h2>
</div>
<div class="col-sm-12 col-md-4 cBallerinaDownload" style="text-align: center;">
<a class="cBallerinaButtons cBallerinaDownloadButtons fancybox" id="cBallerinaDownlaodHome" href="downloads">Download</a>
<a href="#subscribeUser" class="fancybox cGet-updates">Subscribe for updates</a>
</div>
</div>
</div>
<div class="row cBallerinaTry">
<div class="container">
<div class="col-sm-12 col-md-12 cFullscreenContainer">
<div class="cBallerinaTryNowContainer">
<a class="cFullscreen" id="Fullscreenview"></a>
<div class="sample_1 cSampleBox ">
<div class="">
<h3>helloWorld.bal</h3>
</div>
<div class="col-sm-12 col-md-4 cBallerinaTryNowCol">
<div class="cBallerinaCode cBallerinaCode1">
<textarea id="txtSample1">
import ballerina.lang.system;
function main(string[] args) {
system:println("Hello, World!" );
}
</textarea>
<input type="text" id="arguments1" placeholder="arguments. e.g. val1;val2" style="width: 100%;"/>
</div>
</div>
<div class="col-sm-12 col-md-8 cBallerinaTryNowCol ">
<div class="cBallerinaDaiagram cBallerinaDaiagram1">
<img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/sample-screen/hello-world.png"/>
</div>
</div>
<div class="col-sm-12 col-md-12 cOutputWindow1 cResults">
</div>
<a class="cTryitButton cTrySample1" id="helloWorldTry"></a>
</div>
<div class="sample_2 cSampleBox ">
<div class="">
<h3>echoService.bal</h3>
</div>
<div class="col-sm-12 col-md-4 cBallerinaTryNowCol">
<div class="cBallerinaCode cBallerinaCode2">
<textarea id="txtSample2" >
//This sample will echo the request message
import ballerina.net.http;
@http:BasePath {value:"/echo"}
service echo {
@http:POST{}
resource echo (message m) {
http:convertToResponse(m);
reply m;
}
}
</textarea>
<input type="text" id="arguments2" placeholder="arguments. e.g. val1;val2" style="width: 100%;"/>
</div>
</div>
<div class="col-sm-12 col-md-8 cBallerinaTryNowCol ">
<div class="cBallerinaDaiagram cBallerinaDaiagram2">
<img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/sample-screen/echo-service.png"/>
</div>
</div>
<div class="col-sm-12 col-md-12 cOutputWindow2 cResults">
</div>
<a class="cTryitButton cTrySample2" id="echoServiceTry"></a>
</div>
<div class="sample_3 cSampleBox ">
<div class="">
<h3>passthroughService.bal</h3>
</div>
<div class="col-sm-12 col-md-4 cBallerinaTryNowCol">
<div class="cBallerinaCode cBallerinaCode3">
<textarea id="txtSample3" >
//This sample will passthrough the message to the backend and response to the client
//This publish the 'passthroughService' and 'nyseStockQuoteService' services
//Here the 'nyseStockQuoteService' will act as a backend.
import ballerina.net.http;
@http:BasePath {value:"/passthrough"}
service passthrough {
@http:GET{}
resource passthrough (message m) {
http:ClientConnector nyseEP = create http:ClientConnector("http://localhost:9090");
message response = http:ClientConnector.get(nyseEP, "/nyseStock", m);
reply response;
}
}
import ballerina.lang.messages;
import ballerina.net.http;
@http:BasePath {value:"/nyseStock"}
service nyseStockQuote {
@http:GET{}
resource stocks (message m) {
json payload = {"exchange":"nyse", "name":"IBM", "value":"127.50"};
message response = {};
messages:setJsonPayload(response, payload);
reply response;
}
} </textarea>
<input type="text" id="arguments3" placeholder="arguments. e.g. val1;val2" style="width: 100%;"/>
</div>
</div>
<div class="col-sm-12 col-md-8 cBallerinaTryNowCol ">
<div class="cBallerinaDaiagram cBallerinaDaiagram3">
<img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/sample-screen/passthrough.png"/>
</div>
</div>
<div class="col-sm-12 col-md-12 cOutputWindow3 cResults">
</div>
<a class="cTryitButton cTrySample3" id="passthroughServiceTry"></a>
</div>
<div class="sample_4 cSampleBox ">
<div class="">
<h3>routingServices.bal</h3>
</div>
<div class="col-sm-12 col-md-4 cBallerinaTryNowCol">
<div class="cBallerinaCode cBallerinaCode4">
<textarea id="txtSample4" >
//This sample has two services which will route the message to two different backend. The first service will route based on the message content and the second one will route based on the header value.
import ballerina.net.http;
import ballerina.lang.jsons;
import ballerina.lang.messages;
@http:BasePath {value:"/cbr"}
service contentBasedRouting {
@http:POST{}
resource cbrResource (message m) {
http:ClientConnector nasdaqEP = create http:ClientConnector("http://localhost:9090/nasdaqStocks");
http:ClientConnector nyseEP = create http:ClientConnector("http://localhost:9090/nyseStocks");
string nyseString = "nyse";
json jsonMsg = messages:getJsonPayload(m);
string nameString = jsons:getString(jsonMsg, "$.name");
message response = {};
if (nameString == nyseString) {
response = http:ClientConnector.post(nyseEP, "/", m);
}
else {
response = http:ClientConnector.post(nasdaqEP, "/", m);
}
reply response;
}
}
import ballerina.net.http;
import ballerina.lang.messages;
@http:BasePath {value:"/hbr"}
service headerBasedRouting {
@http:GET{}
resource cbrResource (message m) {
http:ClientConnector nasdaqEP = create http:ClientConnector("http://localhost:9090/nasdaqStocks");
http:ClientConnector nyseEP = create http:ClientConnector("http://localhost:9090/nyseStocks");
string nyseString = "nyse";
string nameString = messages:getHeader(m, "name");
message response = {};
if (nameString == nyseString) {
response = http:ClientConnector.post(nyseEP, "/", m);
}
else {
response = http:ClientConnector.post(nasdaqEP, "/", m);
}
reply response;
}
}
import ballerina.lang.messages;
import ballerina.net.http;
@http:BasePath {value:"/nyseStocks"}
service nyseStockQuote {
@http:POST{}
resource stocks (message m) {
message response = {};
json payload = {"exchange":"nyse", "name":"IBM", "value":"127.50"};
messages:setJsonPayload(response, payload);
reply response;
}
}
import ballerina.lang.messages;
import ballerina.net.http;
@http:BasePath {value:"/nasdaqStocks"}
service nasdaqStocksQuote {
@http:POST{}
resource stocks (message m) {
message response = {};
json payload = {"exchange":"nasdaq", "name":"IBM", "value":"127.50"};
messages:setJsonPayload(response, payload);
reply response;
}
}
</textarea>
<input type="text" id="arguments4" placeholder="arguments. e.g. val1;val2" style="width: 100%;"/>
</div>
</div>
<div class="col-sm-12 col-md-8 cBallerinaTryNowCol ">
<div class="cBallerinaDaiagram cBallerinaDaiagram4">
<img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/sample-screen/routing-services.png"/>
</div>
</div>
<div class="col-sm-12 col-md-12 cOutputWindow4 cResults">
</div>
<a class="cTryitButton cTrySample4" id="iroutingeServiceTry"></a>
</div>
<div class="sample_5 cSampleBox ">
<div class="">
<h3>ecommerceService.bal</h3>
</div>
<div class="col-sm-12 col-md-4 cBallerinaTryNowCol">
<div class="cBallerinaCode cBallerinaCode5">
<textarea id="txtSample5">
import ballerina.net.http;
@http:BasePath {value:"/ecommerceservice"}
service Ecommerce {
http:ClientConnector productsService = create http:ClientConnector("http://localhost:9090");
@http:GET{}
@http:Path {value:"/products/{productId}"}
resource productsInfo(message m,
@http:PathParam{value:"productId"} string prodId) {
string reqPath = "/productsservice/" + prodId;
message response = http:ClientConnector.get(productsService, reqPath, m);
reply response;
}
@http:POST{}
@http:Path {value:"/products"}
resource productMgt (message m) {
message response = http:ClientConnector.post(productsService, "/productsservice", m);
reply response;
}
@http:GET{}
@http:Path {value:"/orders"}
resource ordersInfo (message m) {
http:ClientConnector productsService = create http:ClientConnector("http://localhost:9090");
message response = http:ClientConnector.get(productsService, "/orderservice", m);
reply response;
}
@http:POST{}
@http:Path {value:"/orders"}
resource ordersMgt (message m) {
http:ClientConnector productsService = create http:ClientConnector("http://localhost:9090");
message response = http:ClientConnector.post(productsService, "/orderservice", m);
reply response;
}
@http:GET{}
@http:Path {value:"/customers"}
resource customersInfo (message m) {
http:ClientConnector productsService = create http:ClientConnector("http://localhost:9090");
message response = http:ClientConnector.get(productsService, "/customerservice", m);
reply response;
}
@http:POST{}
@http:Path {value:"/customers"}
resource customerMgt (message m) {
http:ClientConnector productsService = create http:ClientConnector("http://localhost:9090");
message response = http:ClientConnector.post(productsService, "/customerservice", m);
reply response;
}
}
import ballerina.lang.messages;
import ballerina.lang.system;
import ballerina.lang.jsons;
import ballerina.net.http;
@http:BasePath{value:"/productsservice"}
service productmgt {
map productsMap = populateSampleProducts();
@http:GET{}
@http:Path {value:"/{id}"}
resource product(message m,
@http:PathParam{value:"id"} string prodId) {
json payload = (json) productsMap[prodId];
message response = {};
messages:setJsonPayload(response, payload);
reply response;
}
@http:POST{}
@http:Path {value:"/"}
resource product (message m) {
json jsonReq = messages:getJsonPayload(m);
string productId = jsons:getString(jsonReq, "$.Product.ID");
productsMap[productId] = jsonReq;
json payload = {"Status":"Product is successfully added."};
message response = {};
messages:setJsonPayload(response, payload);
reply response;
}
}
function populateSampleProducts()(map productsMap) {
productsMap = {};
json prod_1 = {"Product": {"ID": "123000", "Name": "ABC_1","Description": "Sample product."}};
json prod_2 = {"Product": {"ID": "123001", "Name": "ABC_2","Description": "Sample product."}};
json prod_3 = {"Product": {"ID": "123002", "Name": "ABC_3","Description": "Sample product."}};
productsMap["123000"] = prod_1;
productsMap["123001"] = prod_2;
productsMap["123002"] = prod_3;
system:println("Sample products are added.");
return productsMap;
}
import ballerina.lang.messages;
import ballerina.lang.strings;
import ballerina.net.http;
@http:BasePath{value:"/orderservice"}
service OrderMgtService {
@http:GET{}
@http:POST{}
resource orders (message m) {
json payload = {};
string httpMethod = http:getMethod(m);
if (strings:equalsIgnoreCase(httpMethod, "GET")) {
payload = {"Order": {"ID": "111999", "Name": "ABC123","Description": "Sample order."}};
}
else {
payload = {"Status":"Order is successfully added."};
}
message response = {};
messages:setJsonPayload(response, payload);
reply response;
}
}
import ballerina.lang.messages;
import ballerina.lang.strings;
import ballerina.net.http;
@http:BasePath{value:"/customerservice"}
service CustomerMgtService {
@http:GET{}
@http:POST{}
resource customers (message m) {
json payload = {};
string httpMethod = http:getMethod(m);
if (strings:equalsIgnoreCase(httpMethod, "GET")) {
payload = {"Customer": {"ID": "987654", "Name": "ABC PQR","Description": "Sample Customer."}};
}
else {
payload = {"Status":"Customer is successfully added."};
}
message response = {};
messages:setJsonPayload(response, payload);
reply response;
}
}
</textarea>
<input type="text" id="arguments5" placeholder="arguments. e.g. val1;val2" style="width: 100%;"/>
</div>
</div>
<div class="col-sm-12 col-md-8 cBallerinaTryNowCol ">
<div class="cBallerinaDaiagram cBallerinaDaiagram5">
<img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/sample-screen/ecommerce.png"/>
</div>
</div>
<div class="col-sm-12 col-md-12 cOutputWindow5 cResults">
</div>
<a class="cTryitButton cTrySample5" id="iRestfulServiceTry"></a>
</div>
<div class="sample_6 cSampleBox ">
<div class="">
<h3>ATMLocatorService.bal</h3>
</div>
<div class="col-sm-12 col-md-4 cBallerinaTryNowCol">
<div class="cBallerinaCode cBallerinaCode6">
<textarea id="txtSample6">
//This sample will illustrate a composite service : ATMLocatorService, which calls the following services to find the nearest ATM of ABC Bank using the zip code.
// - Zip-code based Branch locator service : http://localhost:9090/branchlocator
// - Bank information provider : http://localhost:9090/bankinfo
import ballerina.lang.messages;
import ballerina.net.http;
import ballerina.lang.system;
import ballerina.lang.jsons;
@http:BasePath {value:"/ABCBank"}
service ATMLocator {
@http:POST{}
@http:Path {value:"/locator"}
resource locator (message m) {
http:ClientConnector bankInfoService = create http:ClientConnector("http://localhost:9090/bankinfo");
http:ClientConnector branchLocatorService = create http:ClientConnector("http://localhost:9090/branchlocator");
message backendServiceReq = {};
json jsonLocatorReq = messages:getJsonPayload(m);
string zipCode = jsons:getString(jsonLocatorReq, "$.ATMLocator.ZipCode");
system:println("Zip Code " + zipCode);
json branchLocatorReq = {"BranchLocator": {"ZipCode":""}};
jsons:set(branchLocatorReq, "$.BranchLocator.ZipCode", zipCode);
messages:setJsonPayload(backendServiceReq, branchLocatorReq);
message response = http:ClientConnector.post(branchLocatorService, "", backendServiceReq);
json branchLocatorRes = messages:getJsonPayload(response);
string branchCode = jsons:getString(branchLocatorRes, "$.ABCBank.BranchCode");
system:println("Branch Code " + branchCode);
json bankInfoReq = {"BranchInfo": {"BranchCode":""}};
jsons:set(bankInfoReq, "$.BranchInfo.BranchCode", branchCode);
messages:setJsonPayload(backendServiceReq, bankInfoReq);
response = http:ClientConnector.post(bankInfoService, "", backendServiceReq);
reply response;
}
}
import ballerina.lang.messages;
import ballerina.lang.jsons;
import ballerina.net.http;
@http:BasePath {value:"/branchlocator"}
service Banklocator {
@http:POST{}
resource product (message m) {
message response = {};
json jsonRequest = messages:getJsonPayload(m);
string zipCode = jsons:getString(jsonRequest, "$.BranchLocator.ZipCode");
json payload = {};
if (zipCode == "95999") {
payload = {"ABCBank": {"BranchCode":"123"}};
}
else {
payload = {"ABCBank": {"BranchCode":"-1"}};
}
messages:setJsonPayload(response, payload);
reply response;
}
}
import ballerina.lang.messages;
import ballerina.lang.jsons;
import ballerina.net.http;
@http:BasePath {value:"/bankinfo"}
service Bankinfo {
@http:POST{}
resource product (message m) {
message response = {};
json jsonRequest = messages:getJsonPayload(m);
string branchCode = jsons:getString(jsonRequest, "$.BranchInfo.BranchCode");
json payload = {};
if (branchCode == "123") {
payload = {"ABC Bank": {"Address": "111 River Oaks Pkwy, San Jose, CA 95999"}};
}
else {
payload = {"ABC Bank": {"error": "No branches found."}};
}
messages:setJsonPayload(response, payload);
reply response;
}
}
</textarea>
<input type="text" id="arguments6" placeholder="arguments. e.g. val1;val2" style="width: 100%;"/>
</div>
</div>
<div class="col-sm-12 col-md-8 cBallerinaTryNowCol ">
<div class="cBallerinaDaiagram cBallerinaDaiagram6">
<img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/sample-screen/atm-locator.png"/>
</div>
</div>
<div class="col-sm-12 col-md-12 cOutputWindow6 cResults">
</div>
<a class="cTryitButton cTrySample6" id="ServiceChainingTry"></a>
</div>
<div class="sample_7 cSampleBox ">
<div class="">
<h3>helloWorldService.bal</h3>
</div>
<div class="col-sm-12 col-md-4 cBallerinaTryNowCol">
<div class="cBallerinaCode cBallerinaCode7">
<textarea id="txtSample7">
//This sample runs a service that replies to a request with a greeting message.
import ballerina.lang.messages;
import ballerina.net.http;
@http:BasePath {value:"/hello"}
service helloWorld {
@http:GET{}
resource sayHello (message m) {
message response = {};
messages:setStringPayload(response, "Hello, World!");
reply response;
}
}
</textarea>
<input type="text" id="arguments7" placeholder="arguments. e.g. val1;val2" style="width: 100%;"/>
</div>
</div>
<div class="col-sm-12 col-md-8 cBallerinaTryNowCol ">
<div class="cBallerinaDaiagram cBallerinaDaiagram7">
<img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/sample-screen/hello-world-service.png"/>
</div>
</div>
<div class="col-sm-12 col-md-12 cOutputWindow7 cResults">
</div>
<a class="cTryitButton cTrySample7" id="ihelloWorldService"></a>
</div>
<div class="sample_8 cSampleBox ">
<div class="">
<h3>twitterConnector.bal</h3>
</div>
<div class="col-sm-12 col-md-4 cBallerinaTryNowCol">
<div class="cBallerinaCode cBallerinaCode8">
<textarea id="txtSample8">
import ballerina.lang.jsons;
import ballerina.lang.messages;
import ballerina.lang.strings;
import ballerina.lang.system;
import ballerina.net.http;
import ballerina.net.uri;
import ballerina.utils;
connector Twitter(string consumerKey, string consumerSecret, string accessToken, string accessTokenSecret) {
http:ClientConnector tweeterEP = create http:ClientConnector("https://api.twitter.com");
action tweet(Twitter t, string msg)(message ) {
message request = {};
string oauthHeader = constructOAuthHeader(consumerKey, consumerSecret, accessToken, accessTokenSecret, msg);
string tweetPath = "/1.1/statuses/update.json?status=" + uri:encode(msg);
messages:setHeader(request, "Authorization", oauthHeader);
message response = http:ClientConnector.post(tweeterEP, tweetPath, request);
return response;
}
}
function constructOAuthHeader(string consumerKey, string consumerSecret, string accessToken, string accessTokenSecret, string tweetMessage)(string ) {
string timeStamp = strings:valueOf(system:epochTime());
string nonceString = utils:getRandomString();
string paramStr = "oauth_consumer_key=" + consumerKey + "&oauth_nonce=" + nonceString + "&oauth_signature_method=HMAC-SHA1&oauth_timestamp=" + timeStamp + "&oauth_token=" + accessToken + "&oauth_version=1.0&status=" + uri:encode(tweetMessage);
string baseString = "POST&" + uri:encode("https://api.twitter.com/1.1/statuses/update.json") + "&" + uri:encode(paramStr);
string keyStr = uri:encode(consumerSecret) + "&" + uri:encode(accessTokenSecret);
string signature = utils:getHmac(baseString, keyStr, "SHA1");
string oauthHeader = "OAuth oauth_consumer_key=\"" + consumerKey + "\",oauth_signature_method=\"HMAC-SHA1\",oauth_timestamp=\"" + timeStamp + "\",oauth_nonce=\"" + nonceString + "\",oauth_version=\"1.0\",oauth_signature=\"" + uri:encode(signature) + "\",oauth_token=\"" + uri:encode(accessToken) + "\"";
return strings:unescape(oauthHeader);
}
function main(string[] args) {
Twitter twitterConnector = create Twitter(args[0], args[1], args[2], args[3]);
message tweetResponse = Twitter.tweet(twitterConnector, args[4]);
json tweetJSONResponse = messages:getJsonPayload(tweetResponse);
system:println(jsons:toString(tweetJSONResponse));
}
</textarea>
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</div>
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<div class="cBallerinaDaiagram cBallerinaDaiagram8">
<!-- <img src="//wso2.cachefly.net/wso2/sites/all/ballerina/img/TwitterConnector.svg"/>-->
</div>
</div>
<div class="col-sm-12 col-md-12 cOutputWindow8 cResults">
</div>
<a class="cTryitButton cTrySample8" id="TwitterConnectorTry"></a>
</div>
<div class="col-sm-12 col-md-6 cBallerinaTools">
<h4>Samples</h4>
<select>
<!-- <option>Choose Color</option>-->
<option value="sample_1">HelloWorld</option>
<option value="sample_2">Echo Service</option>
<option value="sample_3">Passthrough Service</option>
<option value="sample_4">Routing Services</option>
<option value="sample_5">Ecommerce Service</option>
<option value="sample_6">Service Chaining</option>
<option value="sample_7">Hello Services</option>
<!-- <option value="sample_8">Twitter Connector</option>-->
</select>
</div>
</div>
</div>
</div>
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<div class="">
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<p class="Intro">Ballerina was built from the ground up to make it easier to design, describe and develop programs. Here’s how and why. </p>
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<p class="Intro" style="margin-top: 4em;">Ballerina’s visual approach allows you to create programs and integrate services and apps via sequence diagrams.</p>
</div>
</div>
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<div class="">
<h2>New to Ballerina?</h2>
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<h3>Start with the Ballerina </br><a id="NewtoBallerina-documentation" class="cSmallButtons" href="http://ballerinalang.org/docs/"/>documentation</a></h3>
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<h3>
Ask questions on #Ballerinalang on </br><a id="NewtoBallerina-Stackoverflow" class="cSmallButtons" href="http://stackoverflow.com/questions/tagged/ballerinalang"/>Stackoverflow</a>
</h3>
</div>
</div>
<div class="col-sm-12 col-md-12">
<p>By building around a visual programming model, Ballerina allows you to connect apps and services and create any program via a sequence diagram. It’s a unique approach that we believe will make all of us faster and more effective at designing integration logic. </p>
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<h3>Ballerina is an open source project. We want you to use it, abuse it and show us how to improve it.</h3>
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Join the <a id="Getinvolved-BallerinaDevGroup" href="https://groups.google.com/forum/#!forum/ballerina-dev">Ballerina Dev Group</a>.
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