Example usage for java.net HttpURLConnection getResponseCode

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:com.abid_mujtaba.bitcoin.tracker.network.Client.java

private static String get(String url_string) throws ClientException {
    HttpURLConnection connection = null; // NOTE: fetchImage is set up to use HTTP not HTTPS

    try {/*from w w  w.jav  a 2  s. c  o  m*/
        URL url = new URL(url_string);
        connection = (HttpURLConnection) url.openConnection();

        connection.setConnectTimeout(CONNECTION_TIMEOUT);
        connection.setReadTimeout(READ_TIMEOUT);

        InputStream is = new BufferedInputStream(connection.getInputStream());

        int response_code;

        if ((response_code = connection.getResponseCode()) != 200) {
            throw new ClientException("Error code returned by response: " + response_code);
        }

        return InputStreamToString(is);
    } catch (SocketTimeoutException e) {
        throw new ClientException("Socket timed out.", e);
    } catch (IOException e) {
        throw new ClientException("IO Exception raised while attempting to GET response.", e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}

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From source file:Main.java

public static String doGet(String urlStr) {
    URL url = null;/*from  w w w  .j  a  v  a 2 s. c om*/
    HttpURLConnection conn = null;
    InputStream is = null;
    ByteArrayOutputStream baos = null;
    try {
        url = new URL(urlStr);
        conn = (HttpURLConnection) url.openConnection();
        conn.setReadTimeout(TIMEOUT_IN_MILLIONS);
        conn.setConnectTimeout(TIMEOUT_IN_MILLIONS);
        conn.setRequestMethod("GET");
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        if (conn.getResponseCode() == 200) {
            is = conn.getInputStream();
            baos = new ByteArrayOutputStream();
            int len = -1;
            byte[] buf = new byte[128];

            while ((len = is.read(buf)) != -1) {
                baos.write(buf, 0, len);
            }
            baos.flush();
            return baos.toString();
        } else {
            throw new RuntimeException(" responseCode is not 200 ... ");
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (is != null)
                is.close();
        } catch (IOException e) {
        }
        try {
            if (baos != null)
                baos.close();
        } catch (IOException e) {
        }
        conn.disconnect();
    }

    return null;

}

---

From source file:com.cyphermessenger.client.SyncRequest.java

private static CypherContact manageContact(CypherSession session, String contactName, boolean add)
        throws IOException, APIErrorException {
    String action = "block";
    if (add) {//from w w w . ja  v  a  2 s  .c om
        action = "add";
    }
    String[] keys = new String[] { "action", "contactName" };
    String[] vals = new String[] { action, contactName };

    HttpURLConnection conn = doRequest("contact", session, keys, vals);
    if (conn.getResponseCode() != 200) {
        throw new IOException("Server error");
    }

    InputStream in = conn.getInputStream();
    JsonNode node = MAPPER.readTree(in);
    conn.disconnect();
    int statusCode = node.get("status").asInt();
    if (statusCode == StatusCode.OK && add) {
        long userID = node.get("contactID").asLong();
        long keyTimestamp = node.get("keyTimestamp").asLong();
        long contactTimestamp = node.get("contactTimestamp").asLong();
        ECKey key = Utils.decodeKey(node.get("publicKey").asText());
        key.setTime(keyTimestamp);
        boolean isFirst = node.get("isFirst").asBoolean();
        return new CypherContact(contactName, userID, key, keyTimestamp, CypherContact.ACCEPTED,
                contactTimestamp, isFirst);
    } else {
        boolean isFirst = node.get("isFirst").asBoolean();
        String status;
        switch (statusCode) {
        case StatusCode.CONTACT_WAITING:
            status = CypherContact.WAITING;
            break;
        case StatusCode.OK:
        case StatusCode.CONTACT_BLOCKED:
            status = CypherContact.BLOCKED;
            break;
        case StatusCode.CONTACT_DENIED:
            status = CypherContact.DENIED;
            break;
        default:
            throw new APIErrorException(statusCode);
        }
        return new CypherContact(contactName, null, null, null, status, null, isFirst);
    }
}

---

From source file:Main.java

public static byte[] doGet(String urlStr) {
    URL url = null;/*from   ww  w.  ja v a2  s  . c o  m*/
    HttpURLConnection conn = null;
    InputStream is = null;
    ByteArrayOutputStream baos = null;
    try {
        url = new URL(urlStr);
        conn = (HttpURLConnection) url.openConnection();
        conn.setReadTimeout(TIMEOUT_IN_MILLIONS);
        conn.setConnectTimeout(TIMEOUT_IN_MILLIONS);
        conn.setRequestMethod("GET");
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        if (conn.getResponseCode() == 200) {
            is = conn.getInputStream();
            baos = new ByteArrayOutputStream();
            int len = -1;
            byte[] buf = new byte[128];

            while ((len = is.read(buf)) != -1) {
                baos.write(buf, 0, len);
            }
            baos.flush();
            return baos.toByteArray();
        } else {
            throw new RuntimeException(" responseCode is not 200 ... ");
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (is != null)
                is.close();
        } catch (IOException e) {
        }
        try {
            if (baos != null)
                baos.close();
        } catch (IOException e) {
        }
        conn.disconnect();
    }

    return null;

}

---

From source file:eu.eexcess.ddb.recommender.PartnerConnector.java

/**
 * Opens a HTTP connection, gets the response and converts into to a String.
 * /*from ww  w . j  a  va  2  s  . c  om*/
 * @param urlStr Servers URL
 * @param properties Keys and values for HTTP request properties
 * @return Servers response
 * @throws IOException  If connection could not be established or response code is !=200
 */
public static String httpGet(String urlStr, HashMap<String, String> properties) throws IOException {
    if (properties == null) {
        properties = new HashMap<String, String>();
    }
    // open HTTP connection with URL
    URL url = new URL(urlStr);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    // set properties if any do exist
    for (String key : properties.keySet()) {
        conn.setRequestProperty(key, properties.get(key));
    }
    // test if request was successful (status 200)
    if (conn.getResponseCode() != 200) {
        throw new IOException(conn.getResponseMessage());
    }
    // buffer the result into a string
    InputStreamReader isr = new InputStreamReader(conn.getInputStream(), "UTF-8");
    BufferedReader br = new BufferedReader(isr);
    StringBuilder sb = new StringBuilder();
    String line;
    while ((line = br.readLine()) != null) {
        sb.append(line);
    }
    br.close();
    isr.close();
    conn.disconnect();
    return sb.toString();
}

---

From source file:edu.jhu.cvrg.timeseriesstore.opentsdb.TimeSeriesUtility.java

protected static int insertDataPoints(String urlString, List<IncomingDataPoint> points) throws IOException {
    int code = 0;
    Gson gson = new Gson();

    HttpURLConnection httpConnection = TimeSeriesUtility.openHTTPConnectionPOST(urlString);
    OutputStreamWriter wr = new OutputStreamWriter(httpConnection.getOutputStream());

    String json = gson.toJson(points);

    wr.write(json);/*from  www  .j  ava  2 s .c o  m*/
    wr.flush();
    wr.close();

    code = httpConnection.getResponseCode();

    httpConnection.disconnect();

    return code;
}

---

From source file:fr.lissi.belilif.om2m.rest.WebServiceActions.java

/**
 * Checks if is reachable.//from ww w.ja  v a 2  s  .  co m
 *
 * @param uri the uri
 * @param headers the headers
 * @return true, if is reachable
 */
public static boolean isReachable(String uri, HashMap<String, String> headers) {
    try {
        HttpURLConnection.setFollowRedirects(false);
        // note : you may also need
        // HttpURLConnection.setInstanceFollowRedirects(false)
        HttpURLConnection myURLConnection = (HttpURLConnection) new URL(uri).openConnection();
        myURLConnection.setRequestMethod("HEAD");
        for (String key : headers.keySet()) {
            myURLConnection.setRequestProperty("Authorization", headers.get(key));
        }
        LOGGER.info(myURLConnection.getResponseCode() + " / " + myURLConnection.toString());
        return (myURLConnection.getResponseCode() == HttpURLConnection.HTTP_OK);
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

---

From source file:org.LinuxdistroCommunity.android.client.NetworkUtilities.java

public static String getAuthToken(String server, String code) {

    String token = null;/*from   w  w  w. j a v  a2  s  .co m*/

    final ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair(PARAM_CODE, code));
    params.add(new BasicNameValuePair(PARAM_CLIENT_SECRET, CLIENT_SECRET));

    InputStream is = null;
    URL auth_token_url;
    try {
        auth_token_url = getRequestURL(server, PATH_OAUTH_ACCESS_TOKEN, params);
        Log.i(TAG, auth_token_url.toString());

        HttpURLConnection conn = (HttpURLConnection) auth_token_url.openConnection();
        conn.setReadTimeout(10000 /* milliseconds */);
        conn.setConnectTimeout(15000 /* milliseconds */);
        conn.setRequestMethod("GET");
        conn.setDoInput(true);
        // Starts the query
        conn.connect();
        int response_code = conn.getResponseCode();
        Log.d(TAG, "The response is: " + response_code);
        is = conn.getInputStream();

        // parse token_response as JSON to get the token out
        String str_response = readStreamToString(is, 500);
        Log.d(TAG, str_response);
        JSONObject response = new JSONObject(str_response);
        token = response.getString("access_token");

    } catch (MalformedURLException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {
        // Makes sure that the InputStream is closed after the app is
        // finished using it.
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

    Log.i(TAG, token);
    return token;
}

---

From source file:ca.xecure.easychip.CommonUtilities.java

public static void http_post(String endpoint, Map<String, String> params) throws IOException {
    URL url;/*  w  w w.  j a v  a  2  s.c o  m*/
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }

    String body = JSONValue.toJSONString(params);
    Log.v(LOG_TAG, "Posting '" + body + "' to " + url);

    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setFixedLengthStreamingMode(bytes.length);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");

        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();

        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

---

From source file:com.android.dialer.omni.PlaceUtil.java

/**
 * Executes a post request and return a JSON object
 * @param url The API URL/*from   w w w.j a v a 2s . c  om*/
 * @param data The data to post in POST field
 * @return the JSON object
 * @throws IOException
 * @throws JSONException
 */
public static JSONObject postJsonRequest(String url, String postData) throws IOException, JSONException {
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    con.setRequestMethod("POST");

    if (DEBUG)
        Log.d(TAG, "Posting: " + postData + " to " + url);

    // Send post request
    con.setDoOutput(true);
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(postData);
    wr.flush();
    wr.close();

    int responseCode = con.getResponseCode();

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    String inputLine;
    StringBuffer response = new StringBuffer();

    while ((inputLine = in.readLine()) != null) {
        response.append(inputLine);
    }
    in.close();

    JSONObject json = new JSONObject(response.toString());
    return json;
}

---

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