Example usage for java.io OutputStreamWriter flush

Introduction

In this page you can find the example usage for java.io OutputStreamWriter flush.

Prototype

public void flush() throws IOException 

Source Link

Document

Flushes the stream.

Usage

From source file:com.pureinfo.srm.outlay.action.SearchCheckCodeAction.java

/**
 * //from  ww  w  . j  a v  a  2s. co  m
 * @param strUrl
 * @param strPostRequest
 * @return
 */
public static String getPageContent(String strUrl, String strPostRequest) {
    //
    StringBuffer buffer = new StringBuffer();
    System.setProperty("sun.net.client.defaultConnectTimeout", "5000");
    System.setProperty("sun.net.client.defaultReadTimeout", "5000");
    try {
        URL newUrl = new URL(strUrl);
        HttpURLConnection hConnect = (HttpURLConnection) newUrl.openConnection();
        //POST
        if (strPostRequest.length() > 0) {
            hConnect.setDoOutput(true);
            OutputStreamWriter out = new OutputStreamWriter(hConnect.getOutputStream());
            out.write(strPostRequest);
            out.flush();
            out.close();
        }
        //
        BufferedReader rd = new BufferedReader(new InputStreamReader(hConnect.getInputStream()));
        int ch;
        for (int length = 0; (ch = rd.read()) > -1; length++)
            buffer.append((char) ch);
        rd.close();
        hConnect.disconnect();
        return buffer.toString().trim();
    } catch (Exception e) {
        // return ":";
        return null;
    } finally {
        buffer.setLength(0);
    }
}

---

From source file:com.wareninja.opensource.common.wsrequest.HttpUtils.java

/**
 * Send an HTTP(s) request with POST parameters.
 * /*from  w  w w . ja v  a  2s.c o  m*/
 * @param parameters
 * @param url
 * @throws UnsupportedEncodingException
 * @throws IOException
 * @throws KeyManagementException
 * @throws NoSuchAlgorithmException
 */
public static void doPost(Map<?, ?> parameters, URL url)
        throws UnsupportedEncodingException, IOException, KeyManagementException, NoSuchAlgorithmException {

    URLConnection cnx = getConnection(url);

    // Construct data
    StringBuilder dataBfr = new StringBuilder();
    Iterator<?> iKeys = parameters.keySet().iterator();
    while (iKeys.hasNext()) {
        if (dataBfr.length() != 0) {
            dataBfr.append('&');
        }
        String key = (String) iKeys.next();
        dataBfr.append(URLEncoder.encode(key, "UTF-8")).append('=')
                .append(URLEncoder.encode((String) parameters.get(key), "UTF-8"));
    }
    // POST data
    cnx.setDoOutput(true);

    OutputStreamWriter wr = new OutputStreamWriter(cnx.getOutputStream());
    if (LOGGING.DEBUG)
        Log.d(LOG_TAG, "Posting crash report data");
    wr.write(dataBfr.toString());
    wr.flush();
    wr.close();

    if (LOGGING.DEBUG)
        Log.d(LOG_TAG, "Reading response");
    BufferedReader rd = new BufferedReader(new InputStreamReader(cnx.getInputStream()));

    String line;
    int linecount = 0;
    while ((line = rd.readLine()) != null) {
        linecount++;
        if (linecount <= 2) {
            if (LOGGING.DEBUG)
                Log.d(LOG_TAG, line);
        }
    }
    rd.close();
}

---

From source file:es.tid.cep.esperanza.Utils.java

public static boolean DoHTTPPost(String urlStr, String content) {
    try {//from w  ww  .  j  av  a 2  s . c  o  m
        URL url = new URL(urlStr);
        HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
        urlConn.setDoOutput(true);
        urlConn.setRequestProperty("Content-Type", "application/json; charset=utf-8");
        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.debug("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.getMessage());
        return false;
    } catch (IOException ioe) {
        logger.error("exception IOException: " + ioe.getMessage());
        return false;
    }
}

---

From source file:Main.java

private static void writeToOutputStreamArray(String[] array, OutputStreamWriter oswriter) {
    for (int i = 0; i < array.length; i++) {
        try {//w  w w  .  j  av a2s .  com
            oswriter.append(array[i] + "  ");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    try {
        oswriter.append("\n");
        oswriter.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

private static void writeToOutputStreamArray(String[] array, OutputStreamWriter oswriter) {
    for (int i = 0; i < array.length; i++) {
        try {//  ww w. j ava 2 s.  c  o  m
            oswriter.append(array[i] + "  ");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    try {
        oswriter.append("\n\n");
        oswriter.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:io.lavagna.service.LavagnaExporter.java

private static void writeEntry(String entryName, Object toSerialize, ZipOutputStream zf,
        OutputStreamWriter osw) {
    try {/*ww w  .  j av a 2 s.  c  o m*/
        zf.putNextEntry(new ZipEntry(entryName));
        Json.GSON.toJson(toSerialize, osw);
        osw.flush();
        zf.flush();
        zf.closeEntry();
    } catch (IOException ioe) {
        throw new IllegalStateException("error while serializing entry " + entryName, ioe);
    }
}

---

From source file:com.mingsoft.weixin.http.HttpClientConnectionManager.java

/**
 * ?/*from   www .j av a2 s .  c  om*/
 * @param postUrl ?
 * @param param ?
 * @param method 
 * @return null
 */
public static String request(String postUrl, String param, String method) {
    URL url;
    try {
        url = new URL(postUrl);

        HttpURLConnection conn;
        conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(30000); // ??)
        conn.setReadTimeout(30000); // ????)
        conn.setDoOutput(true); // post??http?truefalse
        conn.setDoInput(true); // ?httpUrlConnectiontrue
        conn.setUseCaches(false); // Post ?
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setRequestMethod(method);// "POST"GET
        conn.setRequestProperty("Content-Length", param.length() + "");
        String encode = "utf-8";
        OutputStreamWriter out = null;
        out = new OutputStreamWriter(conn.getOutputStream(), encode);
        out.write(param);
        out.flush();

        if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
            return null;
        }
        // ??
        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
        String line = "";
        StringBuffer strBuf = new StringBuffer();
        while ((line = in.readLine()) != null) {
            strBuf.append(line).append("\n");
        }
        in.close();
        out.close();
        return strBuf.toString();
    } catch (MalformedURLException e2) {
        // TODO Auto-generated catch block
        e2.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return null;
}

---

From source file:Main.java

private static void saveStr(String path, String xml, boolean isAppend) {
    OutputStream out = null;// w  w w .j  a v  a2 s.c o  m
    OutputStreamWriter outwriter = null;
    try {
        File file = new File(path);
        if (!file.exists()) {
            file.createNewFile();
        }
        out = new FileOutputStream(path, isAppend);
        outwriter = new OutputStreamWriter(out, "UTF-8");
        outwriter.write(xml);
        outwriter.flush();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (outwriter != null) {
                outwriter.close();
            }
            if (out != null) {
                out.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

---

From source file:Main.java

public static int doShellCommand(String cmd, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {

    Process proc = null;/*from  w w w  . j a  v  a2s .  c o  m*/
    int exitCode = -1;

    if (runAsRoot)
        proc = Runtime.getRuntime().exec("su");
    else
        proc = Runtime.getRuntime().exec("sh");

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    //   TorService.logMessage("executing shell cmd: " + cmds[i] + "; runAsRoot=" + runAsRoot + ";waitFor=" + waitFor);

    out.write(cmd);
    out.write("\n");

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {

        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        exitCode = proc.waitFor();

    }

    return exitCode;

}

---

From source file:CopyUtils.java

/**
 * Serialize chars from a <code>String</code> to bytes on an <code>OutputStream</code>, and
 * flush the <code>OutputStream</code>.
 * @param input the <code>String</code> to read from
 * @param output the <code>OutputStream</code> to write to
 * @throws IOException In case of an I/O problem
 *//*from   w ww. j a v  a 2 s. c o m*/
public static void copy(String input, OutputStream output) throws IOException {
    StringReader in = new StringReader(input);
    OutputStreamWriter out = new OutputStreamWriter(output);
    copy(in, out);
    // XXX Unless anyone is planning on rewriting OutputStreamWriter, we have to flush here.
    out.flush();
}

---

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