Example usage for java.io OutputStreamWriter close

List of usage examples for java.io OutputStreamWriter close

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. OutputStreamWriter
  6. close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Usage

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  2s .c  om
            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:ilearnrw.utils.ServerHelperClass.java

public static String sendPost(String link, String urlParameters) throws Exception {
    String url = baseUrl + link;//from w w w  . j ava2 s .  c o m

    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: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  ww  . j ava 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:com.beginner.core.utils.SmsUtil.java

public static String SMS(String postData, String postUrl) {
    try {//from w  ww .  j a va 2s .  c o  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:eu.swiec.bearballin.common.io.FileIO.java

@Deprecated
public static void writeStringtoFileSource(String fileName, String stringToWrite, String encoding)
        throws IOException {

    File outputFile = new File(fileName);

    OutputStream outStream = new FileOutputStream(outputFile);
    OutputStreamWriter osw = new OutputStreamWriter(outStream, encoding);

    osw.write(stringToWrite);/*from w  w w .  j a  v  a  2  s . c  o  m*/
    osw.close();
    outStream.close();
}

From source file:com.jiubang.core.util.HttpUtils.java

/**
 * Send an HTTP(s) request with POST parameters.
 * /* w  w w .j  a  v  a2 s. c  o m*/
 * @param parameters
 * @param url
 * @throws UnsupportedEncodingException
 * @throws IOException
 * @throws KeyManagementException
 * @throws NoSuchAlgorithmException
 */
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());
    Loger.d(LOG_TAG, "Posting crash report data");
    wr.write(dataBfr.toString());
    wr.flush();
    wr.close();

    Loger.d(LOG_TAG, "Reading response");
    BufferedReader rd = new BufferedReader(new InputStreamReader(cnx.getInputStream()));

    String line;
    while ((line = rd.readLine()) != null) {
        Loger.d(LOG_TAG, line);
    }
    rd.close();
}

From source file:org.acra.HttpUtils.java

/**
 * Send an HTTP(s) request with POST parameters.
 * //from   ww w.  ja va2 s . c om
 * @param parameters
 * @param url
 * @throws UnsupportedEncodingException
 * @throws IOException
 * @throws KeyManagementException
 * @throws NoSuchAlgorithmException
 */
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());
    Log.d(LOG_TAG, "Posting crash report data");
    wr.write(dataBfr.toString());
    wr.flush();
    wr.close();

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

    String line;
    while ((line = rd.readLine()) != null) {
        Log.d(LOG_TAG, line);
    }
    rd.close();
}

From source file:de.innovationgate.utils.XStreamUtils.java

/**
 * Serializes an object to a UTF-8 encoded output stream
 * @param obj The object to write//from ww w .  ja v a 2  s  . co m
 * @param xstream The XStream instance to use
 * @param out The output stream to write to
 * @throws IOException
 */
public static void writeUtf8ToOutputStream(Object obj, XStream xstream, OutputStream out) throws IOException {
    BufferedOutputStream bufOut = new BufferedOutputStream(out);
    OutputStreamWriter writer;
    try {
        writer = new OutputStreamWriter(bufOut, "UTF-8");
        xstream.toXML(obj, writer);
        writer.flush();
        writer.close();
    } catch (UnsupportedEncodingException e) {
        // Cannot happen since Java always supports UTF-8
    }
}

From source file:com.ct855.util.HttpsClientUtil.java

public static String postUrl(String url, Map<String, String> params)
        throws IOException, NoSuchAlgorithmException, KeyManagementException, NoSuchProviderException {
    //SSLContext??
    TrustManager[] trustAllCerts = new TrustManager[] { new MyX509TrustManager() };
    SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
    sslContext.init(null, trustAllCerts, new java.security.SecureRandom());

    //SSLContextSSLSocketFactory
    SSLSocketFactory ssf = sslContext.getSocketFactory();
    String data = "";
    for (String key : params.keySet()) {
        data += "&" + URLEncoder.encode(key, "UTF-8") + "=" + URLEncoder.encode(params.get(key), "UTF-8");
    }//  w ww .  j  a  v a  2 s.co  m
    data = data.substring(1);

    System.out.println("postUrl=>data:" + data);
    URL aURL = new java.net.URL(url);
    HttpsURLConnection aConnection = (HttpsURLConnection) aURL.openConnection();
    aConnection.setSSLSocketFactory(ssf);
    aConnection.setDoOutput(true);
    aConnection.setDoInput(true);
    aConnection.setRequestMethod("POST");
    OutputStreamWriter streamToAuthorize = new java.io.OutputStreamWriter(aConnection.getOutputStream());
    streamToAuthorize.write(data);
    streamToAuthorize.flush();
    streamToAuthorize.close();
    InputStream resultStream = aConnection.getInputStream();
    BufferedReader aReader = new java.io.BufferedReader(new java.io.InputStreamReader(resultStream));
    StringBuffer aResponse = new StringBuffer();
    String aLine = aReader.readLine();
    while (aLine != null) {
        aResponse.append(aLine + "\n");
        aLine = aReader.readLine();
    }
    resultStream.close();
    return aResponse.toString();
}

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

/**
 * Send an HTTP(s) request with POST parameters.
 * //from   w w w. ja va 2 s. co  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();
}