Example usage for java.net HttpURLConnection setRequestProperty

List of usage examples for java.net HttpURLConnection setRequestProperty

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. HttpURLConnection
  6. 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:core.RESTCalls.RESTPost.java

public static String httpPost(String urlStr, String[] paramName, String[] paramVal) throws Exception {

    URL url = new URL(urlStr);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("POST");

    conn.setDoOutput(true);//from  ww w  . j a  va2 s.c  o  m
    conn.setDoInput(true);
    conn.setUseCaches(false);
    conn.setAllowUserInteraction(false);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    OutputStream out = conn.getOutputStream();

    Writer writer = new OutputStreamWriter(out, "UTF-8");

    for (int i = 0; i < paramName.length; i++) {

        writer.write(paramName[i]);
        writer.write("=");
        writer.write(URLEncoder.encode(paramVal[i], "UTF-8"));
        writer.write("&");
    }

    writer.close();
    out.close();

    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 + "\n");

    rd.close();

    conn.disconnect();

    return sb.toString();
}

From source file:cloudlens.parser.FileReader.java

public static InputStream fetchFile(String urlString) {
    try {/*from w ww  .  j ava  2  s  .c  o  m*/
        InputStream inputStream;
        URL url;
        if (urlString.startsWith("local:")) {
            final String path = urlString.replaceFirst("local:", "");
            inputStream = Files.newInputStream(Paths.get(path));
        } else if (urlString.startsWith("file:")) {
            url = new URL(urlString);
            inputStream = Files.newInputStream(Paths.get(url.toURI()));
        } else if (urlString.startsWith("http:") || urlString.startsWith("https:")) {
            url = new URL(urlString);
            final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setDoInput(true);
            final Matcher matcher = Pattern.compile("//([^@]+)@").matcher(urlString);
            if (matcher.find()) {
                final String encoding = Base64.getEncoder().encodeToString(matcher.group(1).getBytes());
                conn.setRequestProperty("Authorization", "Basic " + encoding);
            }
            conn.setRequestMethod("GET");
            inputStream = conn.getInputStream();
        } else {
            throw new CLException("supported protocols are: http, https, file, and local.");
        }
        return inputStream;
    } catch (IOException | URISyntaxException e) {
        throw new CLException(e.getMessage());
    }
}

From source file:br.gov.jfrj.siga.base.ConexaoHTTP.java

public static String get(String URL, HashMap<String, String> header, Integer timeout, String payload)
        throws AplicacaoException {

    try {//from w ww. j  a  va  2  s  . c o m

        HttpURLConnection conn = (HttpURLConnection) new URL(URL).openConnection();

        if (timeout != null) {
            conn.setConnectTimeout(timeout);
            conn.setReadTimeout(timeout);
        }

        //conn.setInstanceFollowRedirects(true);

        if (header != null) {
            for (String s : header.keySet()) {
                conn.setRequestProperty(s, header.get(s));
            }
        }

        System.setProperty("http.keepAlive", "false");

        if (payload != null) {
            byte ab[] = payload.getBytes("UTF-8");
            conn.setRequestMethod("POST");
            // Send post request
            conn.setDoOutput(true);
            OutputStream os = conn.getOutputStream();
            os.write(ab);
            os.flush();
            os.close();
        }

        //StringWriter writer = new StringWriter();
        //IOUtils.copy(conn.getInputStream(), writer, "UTF-8");
        //return writer.toString();
        return IOUtils.toString(conn.getInputStream(), "UTF-8");

    } catch (IOException ioe) {
        throw new AplicacaoException("No foi possvel abrir conexo", 1, ioe);
    }

}

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

/**
 * Checks if is reachable.//from  w w w  .  ja va2  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:chen.android.toolkit.network.HttpConnection.java

/**
 * </br><b>title : </b>      ????POST??
 * </br><b>description :</b>????POST??
 * </br><b>time :</b>      2012-7-8 ?4:34:08
 * @param method         ??//w  ww  . java  2s. co  m
 * @param url            POSTURL
 * @param datas            ????
 * @return               ???
 * @throws IOException
 */
private static InputStream connect(String method, URL url, byte[]... datas) throws IOException {
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setRequestMethod(method);
    conn.setUseCaches(false);
    conn.setInstanceFollowRedirects(true);
    conn.setConnectTimeout(6 * 1000);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    conn.setRequestProperty("Connection", "Keep-Alive");
    conn.setRequestProperty("Charset", "UTF-8");
    OutputStream outputStream = conn.getOutputStream();
    for (byte[] data : datas) {
        outputStream.write(data);
    }
    outputStream.close();
    return conn.getInputStream();
}

From source file:com.android.volley.toolbox.http.HurlStack.java

/**
 * Add headers and user agent to an {@code }
 *
 * @param connection        The {@linkplain HttpURLConnection} to add request headers to
 * @param userAgent         The User Agent to identify on server
 * @param additionalHeaders The headers to add to the request
 *///  w  w w  . j  a  v  a 2  s.c  o m
private static void addHeadersToConnection(HttpURLConnection connection, String userAgent,
        Map<String, String> additionalHeaders) {

    connection.setRequestProperty(HEADER_USER_AGENT, userAgent);
    for (String headerName : additionalHeaders.keySet()) {
        connection.addRequestProperty(headerName, additionalHeaders.get(headerName));
    }
}

From source file:com.grosscommerce.ICEcat.utilities.Downloader.java

private static HttpURLConnection prepareConnection(String urlFrom, String login, String pwd)
        throws ProtocolException, IOException, MalformedURLException {
    URL url = new URL(urlFrom);
    HttpURLConnection uc = (HttpURLConnection) url.openConnection();
    // set up url connection to get retrieve information back
    uc.setRequestMethod("GET");
    uc.setDoInput(true);/* w ww .jav a2 s.  c  o m*/
    String val = (new StringBuffer(login).append(":").append(pwd)).toString();
    byte[] base = val.getBytes();
    String authorizationString = "Basic " + Base64.encodeBase64String(base);
    uc.setRequestProperty("Authorization", authorizationString);
    uc.setRequestProperty("Accept-Encoding", "gzip, xml");
    return uc;
}

From source file:Main.java

/**
 * Issue a POST request to the server.//from ww  w.ja  va2s  . c o  m
 *
 * @param endpoint POST address.
 * @param params request parameters.
 * @return response
 * @throws IOException propagated from POST.
 */
private static String executePost(String endpoint, Map<String, String> params) throws IOException {
    URL url;
    StringBuffer response = new StringBuffer();
    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();
    //Log.v(TAG, "Posting '" + body + "' to " + url);
    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setDoInput(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);

        } else {
            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
        }
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
    return response.toString();
}

From source file:com.ble.facebook.Util.java

public static String posttowall(String url, String method, Bundle params, String Accesstoken)
        throws MalformedURLException, IOException {
    // random string as boundary for multi-part http post
    String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
    String endLine = "\r\n";

    OutputStream os;//from   ww  w.j av  a 2  s  .com

    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) {
                dataparams.putByteArray(key, params.getByteArray(key));
            }
        }

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

        if (params.containsKey("access_token")) {
            String decoded_token = URLDecoder.decode(Accesstoken);
            params.putByteArray("access_token", decoded_token.getBytes());
        }

        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());
        Log.d("OutputStreamedData", ("--" + strBoundary + endLine) + (encodePostBody(params, strBoundary))
                + (endLine + "--" + strBoundary + endLine));
        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.wareninja.android.opensource.oauth2login.common.Utils.java

/**
 * Connect to an HTTP URL and return the response as a string.
 * /*from   w w w. jav  a  2  s .c om*/
 * 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);
    }
    if (AppContext.DEBUG)
        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));
             }
             */
            // YG: added this to avoid fups
            byte[] byteArr = null;
            try {
                byteArr = (byte[]) params.get(key);
            } catch (Exception ex1) {
            }
            if (byteArr != null)
                dataparams.putByteArray(key, byteArr);
        }

        // 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());
    }
    if (AppContext.DEBUG)
        Log.d("Facebook-Util", method + " response: " + response);

    return response;
}