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HttpURLConnection Example Using Java 8 Stream

[Last Updated: Jun 7, 2017]

Java Java 8 Streams 

Java 8 added a new method in java.io.BufferedReader class: 
Stream lines()

Example:

This example demonstrate how to make HTTP request using java.net.HttpURLConnection and then using the BufferedReader#lines() to read the response: 

public static void main(String[] args) throws IOException {
     URL myURL = new URL("http://www.example.com");
     HttpURLConnection myURLConnection = (HttpURLConnection) myURL.openConnection();
     try (BufferedReader reader = new BufferedReader(
               new InputStreamReader(myURLConnection.getInputStream()))) {
           reader.lines().forEach(System.out::println);
     }
  }

Output

<!doctype html>
<html>
<head>
    <title>Example Domain</title>

    <meta charset="utf-8" />
    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <style type="text/css">
    body {
        background-color: #f0f0f2;
        margin: 0;
        padding: 0;
        font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;

    }
    div {
        width: 600px;
        margin: 5em auto;
        padding: 50px;
        background-color: #fff;
        border-radius: 1em;
    }
    a:link, a:visited {
        color: #38488f;
        text-decoration: none;
    }
    @media (max-width: 700px) {
        body {
            background-color: #fff;
        }
        div {
            width: auto;
            margin: 0 auto;
            border-radius: 0;
            padding: 1em;
        }
    }
    </style>
</head>

<body>
<div>
    <h1>Example Domain</h1>
    <p>This domain is established to be used for illustrative examples in documents. You may use this
    domain in examples without prior coordination or asking for permission.</p>
    <p><a href="http://www.iana.org/domains/example">More information...</a></p>
</div>
</body>
</html>


See Also