Example usage for java.net HttpURLConnection setRequestProperty

Introduction

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

Prototype

public void setRequestProperty(String key, String value)

Source Link

Document

Sets the general request property.

Usage

From source file:karroo.app.test.facebook.Util.java

/**
 * Connect to an HTTP URL and return the response as a string.
 *
 * Note that the HTTP method override is used on non-GET requests. (i.e.
 * requests are made as "POST" with method specified in the body).
 *
 * @param url - the resource to open: must be a welformed URL
 * @param method - the HTTP method to use ("GET", "POST", etc.)
 * @param params - the query parameter for the URL (e.g. access_token=foo)
 * @return the URL contents as a String// w  ww . j a  v  a  2 s.co m
 * @throws MalformedURLException - if the URL format is invalid
 * @throws IOException - if a network problem occurs
 */
public static String openUrl(String url, String method, Bundle params)
        throws MalformedURLException, IOException {
    // random string as boundary for multi-part http post
    String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
    String endLine = "\r\n";

    OutputStream os;

    if (method.equals("GET")) {
        url = url + "?" + encodeUrl(params);
    }
    Log.d("Facebook-Util", method + " URL: " + url);
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent",
            System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK");
    if (!method.equals("GET")) {
        Bundle dataparams = new Bundle();
        for (String key : params.keySet()) {
            //                if (params.getByteArray(key) != null) {
            if (params.get(key) instanceof byte[]) {
                dataparams.putByteArray(key, params.getByteArray(key));
            }
        }

        // use method override
        if (!params.containsKey("method")) {
            params.putString("method", method);
        }

        if (params.containsKey("access_token")) {
            String decoded_token = URLDecoder.decode(params.getString("access_token"));
            params.putString("access_token", decoded_token);
        }

        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.connect();
        os = new BufferedOutputStream(conn.getOutputStream());

        os.write(("--" + strBoundary + endLine).getBytes());
        os.write((encodePostBody(params, strBoundary)).getBytes());
        os.write((endLine + "--" + strBoundary + endLine).getBytes());

        if (!dataparams.isEmpty()) {

            for (String key : dataparams.keySet()) {
                os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes());
                os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes());
                os.write(dataparams.getByteArray(key));
                os.write((endLine + "--" + strBoundary + endLine).getBytes());

            }
        }
        os.flush();
    }

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}

From source file:Main.java

/**
 * Issue a POST request to the server.// w ww  . j  av  a 2  s.  c  o  m
 *
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 *
 * @throws java.io.IOException
 *             propagated from POST.
 */
public static String post(String endpoint, Map<String, String> params) throws IOException {
    URL url;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Entry<String, String> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    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/x-www-form-urlencoded;charset=UTF-8");
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response
        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }

        // Get Response
        InputStream is = conn.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        StringBuffer response = new StringBuffer();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\n');
        }
        rd.close();
        return response.toString();

    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

From source file:lu.list.itis.dkd.aig.util.FusekiHttpHelper.java

/**
 * Delete specified dataset// www.j  av  a 2 s .  c  o m
 * 
 * @param dataSetName
 * @throws IOException
 * @throws HttpException
 */
public static void deleteDataSet(@NonNull String dataSetName) throws IOException, HttpException {
    logger.info("delete dataset: " + dataSetName);

    URL url = new URL(HOST + "/$/datasets/" + dataSetName);
    final HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection();
    httpConnection.setUseCaches(false);
    httpConnection.setRequestMethod("DELETE");
    httpConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    // handle HTTP/HTTPS strange behaviour
    httpConnection.connect();
    httpConnection.disconnect();

    // handle response
    switch (httpConnection.getResponseCode()) {
    case HttpURLConnection.HTTP_OK:
        break;
    default:
        throw new HttpException(
                httpConnection.getResponseCode() + " message: " + httpConnection.getResponseMessage());
    }
}

From source file:com.intravel.Facebook.Util.java

/**
 * Connect to an HTTP URL and return the response as a string.
 *
 * Note that the HTTP method override is used on non-GET requests. (i.e.
 * requests are made as "POST" with method specified in the body).
 *
 * @param url - the resource to open: must be a welformed URL
 * @param method - the HTTP method to use ("GET", "POST", etc.)
 * @param params - the query parameter for the URL (e.g. access_token=foo)
 * @return the URL contents as a String/*from  w  w  w .j a  v  a  2  s .c  o  m*/
 * @throws MalformedURLException - if the URL format is invalid
 * @throws IOException - if a network problem occurs
 */
public static String openUrl(String url, String method, Bundle params)
        throws MalformedURLException, IOException {
    // random string as boundary for multi-part http post
    String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
    String endLine = "\r\n";

    OutputStream os;

    if (method.equals("GET")) {
        url = url + "?" + encodeUrl(params);
    }
    //        else{
    //            url = url + "&" + encodeUrl(params);
    //        }
    Log.d("Facebook-Util", method + " URL: " + url);
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent",
            System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK");
    if (!method.equals("GET")) {
        Bundle dataparams = new Bundle();
        for (String key : params.keySet()) {
            if (params.getByteArray(key) != null) {
                dataparams.putByteArray(key, params.getByteArray(key));
            }
        }

        // use method override
        if (!params.containsKey("method")) {
            params.putString("method", method);
        }

        if (params.containsKey("access_token")) {
            String decoded_token = URLDecoder.decode(params.getString("access_token"));
            params.putString("access_token", decoded_token);
        }

        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.connect();
        os = new BufferedOutputStream(conn.getOutputStream());

        os.write(("--" + strBoundary + endLine).getBytes());
        os.write((encodePostBody(params, strBoundary)).getBytes());
        os.write((endLine + "--" + strBoundary + endLine).getBytes());

        if (!dataparams.isEmpty()) {

            for (String key : dataparams.keySet()) {
                os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes());
                os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes());
                os.write(dataparams.getByteArray(key));
                os.write((endLine + "--" + strBoundary + endLine).getBytes());

            }
        }
        os.flush();
    }

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}

From source file:Main.java

/**
 * Issue a POST request to the server.//ww  w. java2s  .  c  om
 *
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 *
 * @throws IOException
 *             propagated from POST.
 */
public static String post_t(String endpoint, Map<String, Object> params, String contentType)
        throws IOException {
    URL url;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Entry<String, Object>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Entry<String, Object> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    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", contentType);
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response
        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }

        // Get Response
        InputStream is = conn.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        StringBuffer response = new StringBuffer();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\n');
        }
        rd.close();
        return response.toString();

    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

From source file:lu.list.itis.dkd.aig.util.FusekiHttpHelper.java

/**
 * Create a new dataset/*from w ww  . j  a  v  a  2  s .c  o  m*/
 * 
 * @param dataSetName
 * @throws IOException
 * @throws HttpException
 */
public static void createDataSet(@NonNull String dataSetName) throws IOException, HttpException {
    logger.info("create dataset: " + dataSetName);

    URL url = new URL(HOST + "/$/datasets");
    final HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection();
    httpConnection.setUseCaches(false);
    httpConnection.setRequestMethod("POST");
    httpConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    // set content
    httpConnection.setDoOutput(true);
    final OutputStreamWriter out = new OutputStreamWriter(httpConnection.getOutputStream());
    out.write("dbName=" + URLEncoder.encode(dataSetName, "UTF-8") + "&dbType=mem");
    out.close();

    // handle HTTP/HTTPS strange behaviour
    httpConnection.connect();
    httpConnection.disconnect();

    // handle response
    switch (httpConnection.getResponseCode()) {
    case HttpURLConnection.HTTP_OK:
        break;
    default:
        throw new HttpException(
                httpConnection.getResponseCode() + " message: " + httpConnection.getResponseMessage());
    }
}

From source file:Main.java

public static String uploadFile(File file, String RequestURL) {
    String BOUNDARY = UUID.randomUUID().toString();
    String PREFIX = "--", LINE_END = "\r\n";
    String CONTENT_TYPE = "multipart/form-data";

    try {//from  w w w.j  a  va2 s. c  o  m
        URL url = new URL(RequestURL);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setReadTimeout(TIME_OUT);
        conn.setConnectTimeout(TIME_OUT);
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Charset", CHARSET);
        conn.setRequestProperty("connection", "keep-alive");
        conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);
        if (file != null) {

            OutputStream outputSteam = conn.getOutputStream();

            DataOutputStream dos = new DataOutputStream(outputSteam);
            StringBuffer sb = new StringBuffer();
            sb.append(PREFIX);
            sb.append(BOUNDARY);
            sb.append(LINE_END);

            sb.append("Content-Disposition: form-data; name=\"img\"; filename=\"" + file.getName() + "\""
                    + LINE_END);
            sb.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINE_END);
            sb.append(LINE_END);
            dos.write(sb.toString().getBytes());
            InputStream is = new FileInputStream(file);
            byte[] bytes = new byte[1024];
            int len = 0;
            while ((len = is.read(bytes)) != -1) {
                dos.write(bytes, 0, len);
            }
            is.close();
            dos.write(LINE_END.getBytes());
            byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes();
            dos.write(end_data);
            dos.flush();

            int res = conn.getResponseCode();
            Log.e(TAG, "response code:" + res);
            if (res == 200) {
                return SUCCESS;
            }
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return FAILURE;
}

From source file:com.geozen.demo.foursquare.jiramot.Util.java

/**
 * Connect to an HTTP URL and return the response as a string.
 * /* ww  w  . j a v  a  2  s.c o m*/
 * Note that the HTTP method override is used on non-GET requests. (i.e.
 * requests are made as "POST" with method specified in the body).
 * 
 * @param url
 *            - the resource to open: must be a welformed URL
 * @param method
 *            - the HTTP method to use ("GET", "POST", etc.)
 * @param params
 *            - the query parameter for the URL (e.g. access_token=foo)
 * @return the URL contents as a String
 * @throws MalformedURLException
 *             - if the URL format is invalid
 * @throws IOException
 *             - if a network problem occurs
 */
public static String openUrl(String url, String method, Bundle params)
        throws MalformedURLException, IOException {
    // random string as boundary for multi-part http post
    String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
    String endLine = "\r\n";

    OutputStream os;

    if (method.equals("GET")) {
        url = url + "?" + encodeUrl(params);
    }
    Log.d("Foursquare-Util", method + " URL: " + url);
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " GeoZen");

    if (!method.equals("GET")) {
        Bundle dataparams = new Bundle();
        for (String key : params.keySet()) {
            if (params.getByteArray(key) != null) {
                dataparams.putByteArray(key, params.getByteArray(key));
            }
        }

        // use method override
        if (!params.containsKey("method")) {
            params.putString("method", method);
        }

        if (params.containsKey("access_token")) {
            String decoded_token = URLDecoder.decode(params.getString("access_token"));
            params.putString("access_token", decoded_token);
        }

        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.connect();
        os = new BufferedOutputStream(conn.getOutputStream());

        os.write(("--" + strBoundary + endLine).getBytes());
        os.write((encodePostBody(params, strBoundary)).getBytes());
        os.write((endLine + "--" + strBoundary + endLine).getBytes());

        if (!dataparams.isEmpty()) {

            for (String key : dataparams.keySet()) {
                os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes());
                os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes());
                os.write(dataparams.getByteArray(key));
                os.write((endLine + "--" + strBoundary + endLine).getBytes());

            }
        }
        os.flush();
    }

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}

From source file:com.trk.aboutme.facebook.android.Util.java

/**
 * Connect to an HTTP URL and return the response as a string.
 *
 * Note that the HTTP method override is used on non-GET requests. (i.e.
 * requests are made as "POST" with method specified in the body).
 *
 * @param url - the resource to open: must be a welformed URL
 * @param method - the HTTP method to use ("GET", "POST", etc.)
 * @param params - the query parameter for the URL (e.g. access_token=foo)
 * @return the URL contents as a String/*from   w  w  w.  j  a v a  2s .c o  m*/
 * @throws MalformedURLException - if the URL format is invalid
 * @throws IOException - if a network problem occurs
 */
@Deprecated
public static String openUrl(String url, String method, Bundle params)
        throws MalformedURLException, IOException {
    // random string as boundary for multi-part http post
    String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
    String endLine = "\r\n";

    OutputStream os;

    if (method.equals("GET")) {
        url = url + "?" + encodeUrl(params);
    }
    Utility.logd("Facebook-Util", method + " URL: " + url);
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent",
            System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK");
    if (!method.equals("GET")) {
        Bundle dataparams = new Bundle();
        for (String key : params.keySet()) {
            Object parameter = params.get(key);
            if (parameter instanceof byte[]) {
                dataparams.putByteArray(key, (byte[]) parameter);
            }
        }

        // use method override
        if (!params.containsKey("method")) {
            params.putString("method", method);
        }

        if (params.containsKey("access_token")) {
            String decoded_token = URLDecoder.decode(params.getString("access_token"));
            params.putString("access_token", decoded_token);
        }

        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.connect();
        os = new BufferedOutputStream(conn.getOutputStream());

        os.write(("--" + strBoundary + endLine).getBytes());
        os.write((encodePostBody(params, strBoundary)).getBytes());
        os.write((endLine + "--" + strBoundary + endLine).getBytes());

        if (!dataparams.isEmpty()) {

            for (String key : dataparams.keySet()) {
                os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes());
                os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes());
                os.write(dataparams.getByteArray(key));
                os.write((endLine + "--" + strBoundary + endLine).getBytes());

            }
        }
        os.flush();
    }

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}

From source file:imageLines.ImageHelpers.java

/**Read a jpeg image from a url into a BufferedImage*/
public static BufferedImage readAsBufferedImage(URL imageURL, String cookieVal) {
    InputStream i = null;//  w  ww  . j  ava  2  s  .  c o m
    try {
        HttpURLConnection conn = (HttpURLConnection) imageURL.openConnection();

        conn.setRequestProperty("Cookie", cookieVal);
        int responseCode = conn.getResponseCode();

        if (responseCode == 200 || responseCode == 304) {
            System.out.print("good response" + responseCode + "\n");

        } else {
            System.out.print("bad response " + responseCode + "\n");

        }

        i = conn.getInputStream();
        //JPEGImageDecoder decoder = JPEGCodec.createJPEGDecoder(i);
        BufferedImage bi = ImageIO.read(i);//decoder.decodeAsBufferedImage();
        return bi;
    } catch (Exception e) {
        System.out.println(e);
        return null;
    } finally {
        try {
            if (i != null)
                i.close();
        } catch (IOException ex) {

        }
    }
}