Example usage for java.io OutputStreamWriter flush

List of usage examples for java.io OutputStreamWriter flush

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. OutputStreamWriter
  6. 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.jaspersoft.jasperserver.core.util.StreamUtil.java

public static byte[] compress(String string) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzos = new GZIPOutputStream(baos);
    OutputStreamWriter osw = new OutputStreamWriter(gzos);
    osw.write(string);/*from w w w  .  j a v a  2 s  .  c o m*/
    osw.flush();
    osw.close();
    return baos.toByteArray();
}

From source file:io.mapzone.controller.vm.http.ProvisionErrorResponse.java

public static void send(HttpServletResponse response, int status, String msg) {
    try {//ww  w. j ava2 s.c  o m
        response.setContentType("text/html");
        OutputStreamWriter out = new OutputStreamWriter(response.getOutputStream(), Charset.forName("UTF-8"));
        out.write("<html>\n");
        out.write("<h1>" + msg + "</h1>\n");
        out.write("</html>");
        out.flush();
        response.setStatus(status);
    } catch (IOException e) {
        log.warn("", e);
    }
}

From source file:Main.java

public static String request(String url, Map<String, String> cookies, Map<String, String> parameters)
        throws Exception {
    HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
    connection.setRequestProperty("User-Agent",
            "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36");
    if (cookies != null && !cookies.isEmpty()) {
        StringBuilder cookieHeader = new StringBuilder();
        for (String cookie : cookies.values()) {
            if (cookieHeader.length() > 0) {
                cookieHeader.append(";");
            }//from  w  w w. j a v a 2 s .  c o  m
            cookieHeader.append(cookie);
        }
        connection.setRequestProperty("Cookie", cookieHeader.toString());
    }
    connection.setDoInput(true);
    if (parameters != null && !parameters.isEmpty()) {
        connection.setDoOutput(true);
        OutputStreamWriter osw = new OutputStreamWriter(connection.getOutputStream());
        osw.write(parametersToWWWFormURLEncoded(parameters));
        osw.flush();
        osw.close();
    }
    if (cookies != null) {
        for (Map.Entry<String, List<String>> headerEntry : connection.getHeaderFields().entrySet()) {
            if (headerEntry != null && headerEntry.getKey() != null
                    && headerEntry.getKey().equalsIgnoreCase("Set-Cookie")) {
                for (String header : headerEntry.getValue()) {
                    for (HttpCookie httpCookie : HttpCookie.parse(header)) {
                        cookies.put(httpCookie.getName(), httpCookie.toString());
                    }
                }
            }
        }
    }
    Reader r = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    StringWriter w = new StringWriter();
    char[] buffer = new char[1024];
    int n = 0;
    while ((n = r.read(buffer)) != -1) {
        w.write(buffer, 0, n);
    }
    r.close();
    return w.toString();
}

From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {
    Process proc = null;//from w w  w.j a  va 2 s  . 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());

    for (int i = 0; i < cmds.length; i++) {
        out.write(cmds[i]);
        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:ilearnrw.utils.ServerHelperClass.java

public static String sendPost(String link, String urlParameters) throws Exception {
    String url = baseUrl + link;/*from ww  w. j av a2  s .com*/

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

    con.setRequestMethod("POST");
    con.setRequestProperty("Authorization", userNamePasswordBase64("api", "api"));

    con.setRequestProperty("Content-Type", "application/json;charset=utf-8");
    con.setDoOutput(true);
    OutputStreamWriter wr = new OutputStreamWriter(con.getOutputStream(), "UTF8");

    wr.write(urlParameters);
    wr.flush();
    wr.close();
    int responseCode = con.getResponseCode();
    System.out.println("\nSending 'POST' request to URL : " + url);
    System.out.println("Post parameters : " + urlParameters);
    System.out.println("Response Code : " + responseCode);

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));
    String inputLine;
    StringBuffer response = new StringBuffer();

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

    return response.toString();
}

From source file:Main.java

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

    Process proc = null;//from ww  w .  j  a v a2 s  .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());

    for (int i = 0; i < cmds.length; i++) {
        out.write(cmds[i]);
        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:com.company.project.core.connector.HttpClientHelper.java

public static String getResponseStringFromConn(HttpURLConnection conn, String payLoad) throws IOException {

    // Send the http message payload to the server.
    if (payLoad != null) {
        conn.setDoOutput(true);//from   w  w  w  . j  a  v a 2s.co  m
        OutputStreamWriter osw = new OutputStreamWriter(conn.getOutputStream());
        osw.write(payLoad);
        osw.flush();
        osw.close();
    }

    // Get the message response from the server.
    BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    String line = "";
    StringBuffer stringBuffer = new StringBuffer();
    while ((line = br.readLine()) != null) {
        stringBuffer.append(line);
    }

    br.close();

    return stringBuffer.toString();
}

From source file:org.apache.htrace.viewer.HBaseSpanViewer.java

public static String toJsonString(final Message message) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    OutputStreamWriter writer = new OutputStreamWriter(out, Charset.defaultCharset());
    appendJsonString(message, writer);/*  w  w  w  .  j av  a2  s. co m*/
    writer.flush();
    out.flush();
    return out.toString();
}

From source file:com.beginner.core.utils.SmsUtil.java

public static String SMS(String postData, String postUrl) {
    try {/*from   ww w  .  ja  va 2 s .  co m*/
        //??POST
        URL url = new URL(postUrl);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.setUseCaches(false);
        conn.setDoOutput(true);

        conn.setRequestProperty("Content-Length", "" + postData.length());
        OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
        out.write(postData);
        out.flush();
        out.close();

        //???
        if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
            System.out.println("connect failed!");
            return "";
        }
        //??
        String line, result = "";
        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
        while ((line = in.readLine()) != null) {
            result += line + "\n";
        }
        in.close();
        return result;
    } catch (IOException e) {
        e.printStackTrace(System.out);
    }
    return "";
}

From source file:de.flapdoodle.embed.process.io.file.Files.java

public static void write(String content, File output) throws IOException {
    FileOutputStream out = new FileOutputStream(output);
    OutputStreamWriter w = new OutputStreamWriter(out);

    try {/*from w w  w. j ava 2  s . c o m*/
        w.write(content);
        w.flush();
    } finally {
        out.close();
    }
}