Example usage for java.net URL openConnection

Introduction

In this page you can find the example usage for java.net URL openConnection.

Prototype

public URLConnection openConnection() throws java.io.IOException 

Source Link

Document

Returns a java.net.URLConnection URLConnection instance that represents a connection to the remote object referred to by the URL .

Usage

From source file:mp3downloader.ZingSearch.java

private static String getDetailResult(String id, String searchType)
        throws UnsupportedEncodingException, MalformedURLException, IOException {
    String data = "{\"id\": \"" + id + "\", \"t\": \"" + searchType + "\"}";
    String jsonData = URLEncoder.encode(Base64.getEncoder().encodeToString(data.getBytes("UTF-8")), "UTF-8");
    String signature = hash_hmac(jsonData, privateKey);
    String urlString = detailUrl + "publicKey=" + publicKey + "&signature=" + signature + "&jsondata="
            + jsonData;//from   w  w  w.jav a  2  s.  c  om
    URL url = new URL(urlString);
    URLConnection urlConn = url.openConnection();
    urlConn.addRequestProperty("User-Agent",
            "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36");
    InputStream is = urlConn.getInputStream();
    BufferedReader reader = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
    String line;
    StringBuilder sb = new StringBuilder();
    while ((line = reader.readLine()) != null) {
        sb.append(line);
        sb.append("\n");
    }
    is.close();
    String content = sb.toString();
    return content;
}

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From source file:org.zywx.wbpalmstar.platform.certificates.Http.java

public static HttpsURLConnection getHttpsURLConnection(URL url) throws Exception {
    HttpsURLConnection mConnection = null;
    mConnection = (HttpsURLConnection) url.openConnection();
    javax.net.ssl.SSLSocketFactory ssFact = null;
    ssFact = Http.getSSLSocketFactory();
    ((HttpsURLConnection) mConnection).setSSLSocketFactory(ssFact);
    if (!isCheckTrustCert()) {
        ((HttpsURLConnection) mConnection).setHostnameVerifier(new HX509HostnameVerifier());
    } else {/*w  w  w .  j av  a 2 s.c o m*/
        ((HttpsURLConnection) mConnection).setHostnameVerifier(SSLSocketFactory.STRICT_HOSTNAME_VERIFIER);
    }
    return mConnection;
}

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From source file:org.apache.nifi.minifi.integration.util.LogUtil.java

public static void verifyLogEntries(String expectedJsonFilename, Container container) throws Exception {
    List<ExpectedLogEntry> expectedLogEntries;
    try (InputStream inputStream = LogUtil.class.getClassLoader().getResourceAsStream(expectedJsonFilename)) {
        List<Map<String, Object>> expected = new ObjectMapper().readValue(inputStream, List.class);
        expectedLogEntries = expected.stream()
                .map(map -> new ExpectedLogEntry(Pattern.compile((String) map.get("pattern")),
                        (int) map.getOrDefault("occurrences", 1)))
                .collect(Collectors.toList());
    }//from   w w  w .j ava  2 s .c  om
    DockerPort dockerPort = container.port(8000);
    URL url = new URL("http://" + dockerPort.getIp() + ":" + dockerPort.getExternalPort());
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    try (InputStream inputStream = urlConnection.getInputStream();
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader)) {
        String line;
        for (ExpectedLogEntry expectedLogEntry : expectedLogEntries) {
            boolean satisfied = false;
            int occurrences = 0;
            while ((line = bufferedReader.readLine()) != null) {
                if (expectedLogEntry.pattern.matcher(line).find()) {
                    logger.info("Found expected: " + line);
                    if (++occurrences >= expectedLogEntry.numOccurrences) {
                        logger.info("Found target " + occurrences + " times");
                        satisfied = true;
                        break;
                    }
                }
            }
            if (!satisfied) {
                fail("End of log reached without " + expectedLogEntry.numOccurrences + " match(es) of "
                        + expectedLogEntry.pattern);
            }
        }
    } finally {
        urlConnection.disconnect();
    }
}

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From source file:ro.fortsoft.matilda.util.RecaptchaUtils.java

public static boolean verify(String recaptchaResponse, String secret) {
    if (StringUtils.isNullOrEmpty(recaptchaResponse)) {
        return false;
    }/*w  ww  .ja  v a 2 s .  c o m*/

    boolean result = false;
    try {
        URL url = new URL("https://www.google.com/recaptcha/api/siteverify");
        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();

        // add request header
        connection.setRequestMethod("POST");
        connection.setRequestProperty("User-Agent", "Mozilla/5.0");
        connection.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

        String postParams = "secret=" + secret + "&response=" + recaptchaResponse;
        //            log.debug("Post parameters '{}'", postParams);

        // send post request
        connection.setDoOutput(true);
        DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream());
        outputStream.writeBytes(postParams);
        outputStream.flush();
        outputStream.close();

        int responseCode = connection.getResponseCode();
        log.debug("Response code '{}'", responseCode);

        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        StringBuilder response = new StringBuilder();

        String line;
        while ((line = reader.readLine()) != null) {
            response.append(line);
        }
        reader.close();

        // print result
        log.debug("Response '{}'", response.toString());

        // parse JSON response and return 'success' value
        ObjectMapper mapper = new ObjectMapper();
        JsonNode rootNode = mapper.readTree(response.toString());
        JsonNode nameNode = rootNode.path("success");

        result = nameNode.asBoolean();
    } catch (Exception e) {
        log.error(e.getMessage(), e);
    }

    return result;
}

---

From source file:com.book.jtm.chap03.HttpClientDemo.java

public static void sendRequest(String method, String url) throws IOException {
    InputStream is = null;/*from  w w w .  j a  va 2 s  . c  o  m*/
    try {
        URL newUrl = new URL(url);
        HttpURLConnection conn = (HttpURLConnection) newUrl.openConnection();
        // ?10
        conn.setReadTimeout(10000);
        // 15
        conn.setConnectTimeout(15000);
        // ?,GET"GET",post"POST"
        conn.setRequestMethod("GET");
        // ??
        conn.setDoInput(true);
        // ??,????
        conn.setDoOutput(true);
        // Header
        conn.setRequestProperty("Connection", "Keep-Alive");
        // ?
        List<NameValuePair> paramsList = new ArrayList<NameValuePair>();
        paramsList.add(new BasicNameValuePair("username", "mr.simple"));
        paramsList.add(new BasicNameValuePair("pwd", "mypwd"));
        writeParams(conn.getOutputStream(), paramsList);

        // ?
        conn.connect();
        is = conn.getInputStream();
        // ?
        String result = convertStreamToString(is);
        Log.i("", "###  : " + result);
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

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From source file:com.mopaas_mobile.http.BaseHttpRequester.java

public static String doGETwithHeader(String urlstr, String token, List<BasicNameValuePair> params)
        throws IOException {
    String result = null;//from   w ww  .  j  ava  2s .co m
    String content = "";
    for (int i = 0; i < params.size(); i++) {
        content = content + "&" + URLEncoder.encode(((NameValuePair) params.get(i)).getName(), "UTF-8") + "="
                + URLEncoder.encode(((NameValuePair) params.get(i)).getValue(), "UTF-8");
    }
    URL url = new URL(urlstr + "?" + content.substring(1));
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("token", token);
    connection.setDoInput(true);
    connection.setRequestMethod("GET");
    connection.setUseCaches(false);
    connection.connect();
    InputStream is = connection.getInputStream();
    BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));

    StringBuffer b = new StringBuffer();
    int ch;
    while ((ch = br.read()) != -1) {
        b.append((char) ch);
    }
    result = b.toString().trim();
    connection.disconnect();
    return result;
}

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From source file:com.adguard.compiler.UrlUtils.java

public static String downloadString(URL url, String encoding) throws IOException {

    HttpURLConnection connection = null;
    InputStream inputStream = null;

    try {//www.  j a  v a2s  . c  o m
        connection = (HttpURLConnection) url.openConnection();
        connection.connect();
        inputStream = connection.getInputStream();
        return IOUtils.toString(inputStream, encoding);
    } finally {
        IOUtils.closeQuietly(inputStream);
        if (connection != null) {
            connection.disconnect();
        }
    }
}

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From source file:com.asual.lesscss.ResourceUtils.java

public static byte[] readTextUrl(URL source, String encoding) throws IOException {
    byte[] result;
    try {//from  w w  w. j a v a  2 s . c o  m
        URLConnection urlc = source.openConnection();
        StringBuffer sb = new StringBuffer(1024);
        InputStream input = urlc.getInputStream();
        UnicodeReader reader = new UnicodeReader(input, encoding);
        try {
            char[] cbuf = new char[32];
            int r;
            while ((r = reader.read(cbuf, 0, 32)) != -1) {
                sb.append(cbuf, 0, r);
            }
            result = sb.toString().getBytes(reader.getEncoding());
        } finally {
            reader.close();
            input.close();
        }
    } catch (IOException e) {
        logger.error("Can't read '" + source.getFile() + "'.");
        throw e;
    }
    return result;
}

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From source file:com.ct855.util.HttpsClientUtil.java

public static String getUrl(String url)
        throws IOException, NoSuchAlgorithmException, KeyManagementException, NoSuchProviderException {
    //SSLContext??
    TrustManager[] trustAllCerts = new TrustManager[] { new MyX509TrustManager() };
    SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
    sslContext.init(null, trustAllCerts, new java.security.SecureRandom());

    //SSLContextSSLSocketFactory
    SSLSocketFactory ssf = sslContext.getSocketFactory();

    URL aURL = new java.net.URL(url);
    HttpsURLConnection aConnection = (HttpsURLConnection) aURL.openConnection();
    aConnection.setRequestProperty("Ocp-Apim-Subscription-Key", "d8400b4cdf104015bb23d7fe847352c8");
    aConnection.setSSLSocketFactory(ssf);
    aConnection.setDoOutput(true);// w  w w .  j av  a2s .c om
    aConnection.setDoInput(true);
    aConnection.setRequestMethod("GET");

    InputStream resultStream = aConnection.getInputStream();
    BufferedReader aReader = new java.io.BufferedReader(new java.io.InputStreamReader(resultStream));
    StringBuffer aResponse = new StringBuffer();
    String aLine = aReader.readLine();
    while (aLine != null) {
        aResponse.append(aLine + "\n");
        aLine = aReader.readLine();
    }
    resultStream.close();
    return aResponse.toString();
}

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From source file:hudson.Main.java

/**
 * Connects to the given HTTP URL and configure time out, to avoid infinite hang.
 *///  ww w .jav a  2s . com
private static HttpURLConnection open(URL url) throws IOException {
    HttpURLConnection c = (HttpURLConnection) url.openConnection();
    c.setReadTimeout(TIMEOUT);
    c.setConnectTimeout(TIMEOUT);
    return c;
}

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