Example usage for java.net HttpURLConnection setDoOutput

List of usage examples for java.net HttpURLConnection setDoOutput

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Introduction

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

Prototype

public void setDoOutput(boolean dooutput)

Source Link

Document

Sets the value of the doOutput field for this URLConnection to the specified value.

Usage

From source file:Main.java

static public String downloadFile(String downloadUrl, String fileName, String dir) throws IOException {
    URL url = new URL(downloadUrl);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.setRequestMethod("GET");
    urlConnection.setDoOutput(true);
    urlConnection.connect();/* w ww  .jav  a  2  s  .  c  om*/
    int code = urlConnection.getResponseCode();
    if (code > 300 || code == -1) {
        throw new IOException("Cannot read url: " + downloadUrl);
    }
    String filePath = prepareFilePath(fileName, dir);
    String tmpFilePath = prepareTmpFilePath(fileName, dir);
    FileOutputStream fileOutput = new FileOutputStream(tmpFilePath);
    BufferedInputStream inputStream = new BufferedInputStream(urlConnection.getInputStream());
    byte[] buffer = new byte[1024];
    int bufferLength;
    while ((bufferLength = inputStream.read(buffer)) > 0) {
        fileOutput.write(buffer, 0, bufferLength);
    }
    fileOutput.close();
    // move tmp to destination
    copyFile(new File(tmpFilePath), new File(filePath));
    return filePath;
}

From source file:Main.java

public static HttpURLConnection buildConnection(String url, String requestMethod) throws IOException {
    HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();
    /*set request*/
    con.setRequestMethod(requestMethod);
    con.setRequestProperty("Accept-Language", "UTF-8");
    con.setDoOutput(true);
    return con;/*w w  w  . ja  va  2s.c  o m*/
}

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

public static void http_post(String endpoint, Map<String, String> params) throws IOException {
    URL url;/*  w  ww  . ja v a  2 s  .  com*/
    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:lapispaste.Main.java

private static void paster(Map<String, String> pastemap, StringBuffer pdata) {
    try {//  w  w  w  .  j  av  a  2 s.  com
        URL url = new URL("http://paste.linux-sevenler.org/index.php");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        // set connection 'writeable'
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestMethod("POST");

        // construct the data...
        String data;
        String pdataString = pdata.toString();
        data = URLEncoder.encode("language", "ISO-8859-9") + "="
                + URLEncoder.encode(pastemap.get("format"), "ISO-8859-9");
        data += "&" + URLEncoder.encode("source", "ISO-8859-9") + "="
                + URLEncoder.encode(pdataString, "ISO-8859-9");
        data += "&" + URLEncoder.encode("submit", "ISO-8859-9") + "="
                + URLEncoder.encode(" Kaydet ", "ISO-8859-9");

        OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
        wr.write(data);
        wr.flush();

        // get new url where the paste is
        conn.getInputStream();
        System.out.println(conn.getURL());
        conn.disconnect();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:connector.ISConnector.java

public static JSONObject processRequest(String servlet, byte[] query) {
    JSONObject response = null;/*ww  w .  j  av  a2 s.  c  om*/
    if (servlet != null && !servlet.startsWith("/"))
        servlet = "/" + servlet;
    try {
        // Establish HTTP connection with Identity Service
        URL url = new URL(CONTEXT_PATH + servlet);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setAllowUserInteraction(false);
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        //Create the form content
        try (OutputStream out = conn.getOutputStream()) {
            out.write(query);
            out.close();
        }

        // Buffer the result into a string
        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();
        response = (JSONObject) new JSONParser().parse(sb.toString());

    } catch (Exception e) {
        e.printStackTrace();
    }

    return response;
}

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

public static String doPOST(String urlstr, List<BasicNameValuePair> params) throws IOException {
    String result = null;//from   ww  w.j  a  v  a2 s. c  om
    URL url = new URL(urlstr);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoOutput(true);
    connection.setDoInput(true);
    connection.setRequestMethod("POST");
    connection.setUseCaches(false);
    connection.setInstanceFollowRedirects(false);
    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    //       connection.setRequestProperty("token",token);
    connection.setConnectTimeout(30000);
    connection.setReadTimeout(30000);
    connection.connect();

    DataOutputStream out = new DataOutputStream(connection.getOutputStream());

    String content = "";
    if (params != null && params.size() > 0) {
        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");
        }
        out.writeBytes(content.substring(1));
    }

    out.flush();
    out.close();
    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;
}

From source file:Main.java

public static String executePost(String targetURL, String urlParameters) {
    try {/*from  w  w w.j  av a  2 s  .  c om*/
        HttpURLConnection connection = (HttpURLConnection) new URL(targetURL).openConnection();
        connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        //connection.setRequestProperty("Accept-Charset", charset);
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        OutputStream output = null;
        try {
            output = connection.getOutputStream();
            output.write(urlParameters.getBytes());
        } finally {
            if (output != null)
                try {
                    output.flush();
                    output.close();
                } catch (IOException logOrIgnore) {
                }
        }
        InputStream response = connection.getInputStream();
        String contentType = connection.getHeaderField("Content-Type");
        String responseStr = "";
        if (true) {
            BufferedReader reader = null;
            try {
                reader = new BufferedReader(new InputStreamReader(response));
                for (String line; (line = reader.readLine()) != null;) {
                    //System.out.println(line);
                    responseStr = responseStr + line;
                    Thread.sleep(2);
                }
            } finally {
                if (reader != null)
                    try {
                        reader.close();
                    } catch (IOException logOrIgnore) {
                    }
            }
        } else {
            // It's likely binary content, use InputStream/OutputStream.
            System.out.println("Binary content");
        }
        return responseStr;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

From source file:editor.util.URLUtil.java

public static String sendPost(String url, String data) throws Exception {

    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    //add reuqest header
    con.setRequestMethod("POST");

    // Send post request
    con.setDoOutput(true);
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(data);//from w  w  w.  j a  va  2 s .c o  m
    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();
    return response.toString();
}

From source file:Main.java

private static String httpPost(String address, String params) {
    InputStream inputStream = null;
    HttpURLConnection urlConnection = null;
    try {/*from   w w w  .ja v a2  s.  c  o  m*/
        URL url = new URL(address);
        urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setDoOutput(true);
        urlConnection.setRequestMethod("POST");
        urlConnection.getOutputStream().write(params.getBytes());
        urlConnection.getOutputStream().flush();

        urlConnection.connect();
        if (urlConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {
            inputStream = urlConnection.getInputStream();
            int len = 0;
            byte[] buffer = new byte[1024];
            StringBuffer stringBuffer = new StringBuffer();
            while ((len = inputStream.read(buffer)) != -1) {
                stringBuffer.append(new String(buffer, 0, len));
            }
            return stringBuffer.toString();
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        close(inputStream);
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
    }
    return null;

}

From source file:Main.java

/**
 * Issue a POST request to the server./* ww  w. j  a v  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();
        }
    }
}