Example usage for java.net HttpURLConnection getResponseCode

List of usage examples for java.net HttpURLConnection getResponseCode

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Introduction

In this page you can find the example usage for java.net HttpURLConnection getResponseCode.

Prototype

public int getResponseCode() throws IOException

Source Link

Document

Gets the status code from an HTTP response message.

Usage

From source file:br.bireme.tb.URLS.java

/**
 * Given an url, loads its content (GET - method)
 * @param url url to be loaded/*from   www. ja  va  2 s .co m*/
 * @return an array with the real location of the page (in case of redirect)
 * and its content.
 * @throws IOException
 */
public static String[] loadPageGet(final URL url) throws IOException {
    if (url == null) {
        throw new NullPointerException("url");
    }
    System.out.print("loading page (GET) : [" + url + "]");
    HttpURLConnection.setFollowRedirects(false);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept-Charset", DEFAULT_ENCODING);
    connection.setRequestProperty("User-Agent", "curl/7.29.0");
    connection.setRequestProperty("Accept", "*/*");
    connection.connect();

    int respCode = connection.getResponseCode();
    final StringBuilder builder = new StringBuilder();
    String location = url.toString();

    while ((respCode >= 300) && (respCode <= 399)) {
        location = connection.getHeaderField("Location");
        connection = (HttpURLConnection) new URL(location).openConnection();
        respCode = connection.getResponseCode();
    }

    final boolean respCodeOk = (respCode == 200);
    final BufferedReader reader;
    boolean skipLine = false;

    if (respCodeOk) {
        reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), DEFAULT_ENCODING));
    } else {
        reader = new BufferedReader(new InputStreamReader(connection.getErrorStream(), DEFAULT_ENCODING));
    }

    while (true) {
        String line = reader.readLine();
        if (line == null) {
            break;
        }
        final String line2 = line.trim();

        if (line2.startsWith("<!--")) {
            if (line2.endsWith("-->")) {
                continue;
            }
            skipLine = true;
        } else if (line2.endsWith("-->")) {
            skipLine = false;
            line = "";
        }
        if (!skipLine) {
            builder.append(line);
            builder.append("\n");
        }
    }
    reader.close();
    connection.disconnect();

    if (!respCodeOk) {
        throw new IOException("url=[" + url + "]\ncode=" + respCode + "\n" + builder.toString());
    }
    //System.out.print("+");
    System.out.println(" - OK");

    return new String[] { location, builder.toString() };
}

From source file:it.polito.tellmefirst.web.rest.apimanager.RestManager.java

public String getStringFromAPI(String urlStr) {
    LOG.debug("[getStringFromAPI] - BEGIN");
    String result = "";
    try {/* ww  w. j  a v a 2  s .co m*/
        URL url = new URL(urlStr);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        if (conn.getResponseCode() != 200) {
            System.out.println(conn.getResponseCode() + "***********************************");
            throw new IOException(conn.getResponseMessage());
        }
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }
        rd.close();
        conn.disconnect();
        result = sb.toString();
    } catch (Exception e) {
        LOG.error("[getStringFromAPI] - EXCEPTION: ", e);
    }
    LOG.debug("[getStringFromAPI] - END");
    return result;
}

From source file:net.smartam.leeloo.controller.ResourceController.java

@RequestMapping
public ModelAndView authorize(@ModelAttribute("oauthParams") OAuthParams oauthParams, HttpServletRequest req) {

    try {//from w w w  . ja v  a 2 s. c o  m
        String tokenName = OAuth.OAUTH_TOKEN_DRAFT_0;
        if (Utils.SMART_GALLERY.equals(oauthParams.getApplication())) {
            tokenName = OAuth.OAUTH_TOKEN;
        }
        URL url = new URL(oauthParams.getResourceUrl() + "?" + tokenName + "=" + oauthParams.getAccessToken());
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        if (conn.getResponseCode() == 200) {
            oauthParams.setResource(OAuthUtils.saveStreamAsString(conn.getInputStream()));
        } else {
            oauthParams.setErrorMessage(
                    "Could not access resource: " + conn.getResponseCode() + " " + conn.getResponseMessage());
        }
    } catch (IOException e) {
        oauthParams.setErrorMessage(e.getMessage());
    }

    return new ModelAndView("resource");

}

From source file:com.stockita.popularmovie.utility.Utilities.java

/**
 * This will make a GET request to a RESTful web.
 *
 * @return String of JSON format//from  w w w . ja  v  a  2s .  c  o  m
 */
public static String getMovieData(String uri, Context context) {

    BufferedReader reader = null;
    HttpURLConnection con = null;

    try {
        URL url = new URL(uri);
        con = (HttpURLConnection) url.openConnection();
        con.setReadTimeout(10000 /* milliseconds */);
        con.setConnectTimeout(15000 /* milliseconds */);
        con.setRequestMethod(REQUEST_METHOD_GET);
        con.connect();

        int response = con.getResponseCode();

        if (response < 200 || response > 299) {
            Log.e(LOG_TAG, "connection failed: " + response);
            sNetworkResponse = false;
            return null;
        }

        InputStream inputStream = con.getInputStream();

        // Return null if no date
        if (inputStream == null) {
            Log.e(LOG_TAG, "inputStream returned null");
            return null;
        }

        reader = new BufferedReader(new InputStreamReader(inputStream));
        StringBuilder builder = new StringBuilder();

        String line;
        while ((line = reader.readLine()) != null) {
            builder.append(line + "\n");
        }

        // Return null if no data
        if (builder.length() == 0) {
            Log.e(LOG_TAG, "builder return null");
            return null;
        }

        return builder.toString();

    } catch (IOException e) {
        Log.e(LOG_TAG, e.toString());
        sNetworkResponse = false;
        return null;
    } finally {
        try {
            if (reader != null)
                reader.close();
            if (con != null)
                con.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
            Log.e(LOG_TAG, e.toString());
        }
    }
}

From source file:com.kiwiteam.nomiddleman.TourPageActivity.java

/**
 * Checks if link is active//from   w  w w.  jav a 2 s  . com
 * @param urlString
 * @return
 * @throws MalformedURLException
 * @throws IOException
 */
public static int getResponseCode(String urlString) throws MalformedURLException, IOException {
    URL u = new URL(urlString);
    HttpURLConnection huc = (HttpURLConnection) u.openConnection();
    huc.setRequestMethod("GET");
    huc.setRequestProperty("User-Agent",
            "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 (.NET CLR 3.5.30729)");
    huc.connect();
    return huc.getResponseCode();
}

From source file:com.facebook.GraphErrorTest.java

@Test
public void testAccessTokenResetOnTokenError() throws JSONException, IOException {
    AccessToken accessToken = mock(AccessToken.class);
    AccessToken.setCurrentAccessToken(accessToken);

    JSONObject errorBody = new JSONObject();
    errorBody.put("message", "Invalid OAuth access token.");
    errorBody.put("type", "OAuthException");
    errorBody.put("code", FacebookRequestErrorClassification.EC_INVALID_TOKEN);
    JSONObject error = new JSONObject();
    error.put("error", errorBody);
    String errorString = error.toString();

    HttpURLConnection connection = mock(HttpURLConnection.class);
    when(connection.getResponseCode()).thenReturn(400);

    GraphRequest request = mock(GraphRequest.class);
    when(request.getAccessToken()).thenReturn(accessToken);
    GraphRequestBatch batch = new GraphRequestBatch(request);

    assertNotNull(AccessToken.getCurrentAccessToken());
    GraphResponse.createResponsesFromString(errorString, connection, batch);
    assertNull(AccessToken.getCurrentAccessToken());
}

From source file:com.cloudbees.workflow.Util.java

public static int postToJenkins(Jenkins jenkins, String url, String content, String contentType)
        throws IOException {
    String jenkinsUrl = jenkins.getRootUrl();
    URL urlObj = new URL(jenkinsUrl + url.replace("/jenkins/job/", "job/"));
    HttpURLConnection conn = (HttpURLConnection) urlObj.openConnection();

    try {//from   w w  w.j ava  2 s  .  co m
        conn.setRequestMethod("POST");

        // Set the crumb header, otherwise the POST may be rejected.
        NameValuePair crumbHeader = getCrumbHeaderNVP(jenkins);
        conn.setRequestProperty(crumbHeader.getName(), crumbHeader.getValue());

        if (contentType != null) {
            conn.setRequestProperty("Content-Type", contentType);
        }
        if (content != null) {
            byte[] bytes = content.getBytes(Charset.forName("UTF-8"));

            conn.setDoOutput(true);

            conn.setRequestProperty("Content-Length", String.valueOf(bytes.length));
            final OutputStream os = conn.getOutputStream();
            try {
                os.write(bytes);
                os.flush();
            } finally {
                os.close();
            }
        }

        return conn.getResponseCode();
    } finally {
        conn.disconnect();
    }
}

From source file:org.apache.hadoop.http.TestHttpServerLogs.java

@Test
public void testLogsEnabled() throws Exception {
    Configuration conf = new Configuration();
    conf.setBoolean(CommonConfigurationKeysPublic.HADOOP_HTTP_LOGS_ENABLED, true);
    startServer(conf);/* w  w w  . ja  v  a 2 s .c o  m*/
    URL url = new URL("http://" + NetUtils.getHostPortString(server.getConnectorAddress(0)) + "/logs");
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    assertEquals(HttpStatus.SC_OK, conn.getResponseCode());
}

From source file:com.telefonica.iot.perseo.Utils.java

/**
 * Makes an HTTP POST to an URL sending an body. The URL and body are
 * represented as String.//from  ww  w. j  ava2s . com
 *
 * @param urlStr String representation of the URL
 * @param content Styring representation of the body to post
 *
 * @return if the request has been accompished
 */

public static boolean DoHTTPPost(String urlStr, String content) {
    try {
        URL url = new URL(urlStr);
        HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
        urlConn.setDoOutput(true);
        urlConn.setRequestProperty("Content-Type", "application/json; charset=utf-8");
        urlConn.setRequestProperty(Constants.CORRELATOR_HEADER, MDC.get(Constants.CORRELATOR_ID));
        urlConn.setRequestProperty(Constants.SERVICE_HEADER, MDC.get(Constants.SERVICE_FIELD));
        urlConn.setRequestProperty(Constants.SUBSERVICE_HEADER, MDC.get(Constants.SUBSERVICE_FIELD));
        urlConn.setRequestProperty(Constants.REALIP_HEADER, MDC.get(Constants.REALIP_FIELD));

        OutputStreamWriter printout = new OutputStreamWriter(urlConn.getOutputStream(),
                Charset.forName("UTF-8"));
        printout.write(content);
        printout.flush();
        printout.close();

        int code = urlConn.getResponseCode();
        String message = urlConn.getResponseMessage();
        logger.debug("action http response " + code + " " + message);
        if (code / 100 == 2) {
            InputStream input = urlConn.getInputStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(input));
            for (String line; (line = reader.readLine()) != null;) {
                logger.info("action response body: " + line);
            }
            input.close();
            return true;

        } else {
            logger.error("action response is not OK: " + code + " " + message);
            InputStream error = urlConn.getErrorStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(error));
            for (String line; (line = reader.readLine()) != null;) {
                logger.error("action error response body: " + line);
            }
            error.close();
            return false;
        }
    } catch (MalformedURLException me) {
        logger.error("exception MalformedURLException: " + me);
        return false;
    } catch (IOException ioe) {
        logger.error("exception IOException: " + ioe);
        return false;
    }
}

From source file:it.polito.tellmefirst.enhancer.NYTimesEnhancer.java

private String getResultFromAPI(String urlStr) {
    LOG.debug("[getResultFromAPI] - BEGIN");
    String result = "";
    try {/*  w  ww  . jav a  2  s . c o  m*/
        URL url = new URL(urlStr);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        if (conn.getResponseCode() != 200) {
            throw new IOException(conn.getResponseMessage());
        }
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }
        rd.close();
        conn.disconnect();
        result = sb.toString();
    } catch (Exception e) {
        LOG.error("[getResultFromAPI] - EXCEPTION: ", e);
    }
    LOG.debug("[getResultFromAPI] - END");
    return result;
}