Example usage for java.net URLConnection getOutputStream

Introduction

In this page you can find the example usage for java.net URLConnection getOutputStream.

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Returns an output stream that writes to this connection.

Usage

From source file:com.pa165.ddtroops.console.client.Application.java

/**
 * Update hero in database//from   ww  w. jav a  2  s  . c  om
 * @param id    hero id
 * @param name  hero name
 * @param race  hero race
 * @param xp    hero experience
 */
private static void updateHero(String id, String name, String race, String xp) {
    try {
        HeroDTO h = new HeroDTO();
        h.setId(Long.parseLong(id));
        h.setName(name);
        h.setRace(race);
        h.setXp(Integer.parseInt(xp));
        JSONObject jsonObject = new JSONObject(h);

        URL url = new URL("http://localhost:8080/pa165/rest-jersey-server/hero/put");
        URLConnection connection = url.openConnection();
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setConnectTimeout(5000);
        connection.setReadTimeout(5000);
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
        out.write(jsonObject.toString());
        out.close();

        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        while (in.readLine() != null) {
        }
        System.out.println("Updated hero with id: " + h.getId());
        System.out.println();
        in.close();
    } catch (Exception e) {
        System.out.println("\nError when updating hero");
        System.out.println(e);
    }
}

---

From source file:com.pa165.ddtroops.console.client.Application.java

/**
 * Create new role in database/*from w  ww  .j  a  v  a2 s. c  o  m*/
 * @param name  role id
 * @param description   role desc
 * @param energy    role energy
 * @param attack    role attack
 * @param defense   role defense
 */
private static void createRole(String name, String description, String energy, String attack, String defense) {
    try {
        RoleDTO r = new RoleDTO();
        r.setName(name);
        r.setDescription(description);
        r.setEnergy(Integer.parseInt(energy));
        r.setAttack(Integer.parseInt(attack));
        r.setDefense(Integer.parseInt(defense));
        JSONObject jsonObject = new JSONObject(r);

        URL url = new URL("http://localhost:8080/pa165/rest-jersey-server/role/post");
        URLConnection connection = url.openConnection();
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setConnectTimeout(5000);
        connection.setReadTimeout(5000);
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
        out.write(jsonObject.toString());
        out.close();

        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));

        while (in.readLine() != null) {
        }
        System.out.println("New role " + r.getName() + " was created.");
        System.out.println();
        in.close();
    } catch (Exception e) {
        System.out.println("\nError when creating new role");
        System.out.println(e);
    }
}

---

From source file:com.pa165.ddtroops.console.client.Application.java

/**
 * Update role in database/*from   www  .  j a  v  a  2s .  c o m*/
 * @param id    role id
 * @param name  role name
 * @param description   role desc
 * @param energy    role energy
 * @param attack    role attack
 * @param defense   role defense
 */
private static void updateRole(String id, String name, String description, String energy, String attack,
        String defense) {
    try {
        RoleDTO r = new RoleDTO();
        r.setId(Long.parseLong(id));
        r.setName(name);
        r.setDescription(description);
        r.setEnergy(Integer.parseInt(energy));
        r.setAttack(Integer.parseInt(attack));
        r.setDefense(Integer.parseInt(defense));
        JSONObject jsonObject = new JSONObject(r);

        URL url = new URL("http://localhost:8080/pa165/rest-jersey-server/role/put");
        URLConnection connection = url.openConnection();
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setConnectTimeout(5000);
        connection.setReadTimeout(5000);
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
        out.write(jsonObject.toString());
        out.close();

        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        while (in.readLine() != null) {
        }
        System.out.println("Updated role with id: " + r.getId());
        System.out.println();
        in.close();
    } catch (Exception e) {
        System.out.println("\nError when updating role");
        System.out.println(e);
    }
}

---

From source file:sturesy.util.web.WebCommands2.java

/**
 * Sends a post to the specified url/*from   ww w.  j  ava  2s  .c o  m*/
 * 
 * @param url
 *            URL
 * @param data
 *            Base64 encoded JSONObject
 * @param hashed
 *            Hash of data used for verification
 * @return response
 * @throws IOException
 */
public static String sendPost(URL url, String data, String hashed) throws IOException {
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);

    if (connection instanceof HttpURLConnection) {
        ((HttpURLConnection) connection).setRequestMethod("POST");
    } else if (connection instanceof HttpsURLConnection) {
        ((HttpsURLConnection) connection).setRequestMethod("POST");
    }

    OutputStreamWriter wr = new OutputStreamWriter(connection.getOutputStream());
    wr.write("data=" + data + "&hash=" + hashed);
    wr.flush();

    BufferedReader rd = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String line;

    StringBuffer buffer = new StringBuffer();
    while ((line = rd.readLine()) != null) {
        buffer.append(line);
    }
    wr.close();
    rd.close();

    return buffer.toString();
}

---

From source file:org.wso2.carbon.connector.common.ConnectorIntegrationUtil.java

public static int sendRequestToRetriveHeaders(String addUrl, String query, String contentType)
        throws IOException, JSONException {

    String charset = "UTF-8";
    URLConnection connection = new URL(addUrl).openConnection();
    connection.setDoOutput(true);//from   w ww  .j a va 2  s . com
    connection.setRequestProperty("Accept-Charset", charset);
    connection.setRequestProperty("Content-Type", contentType + ";charset=" + charset);

    OutputStream output = null;
    try {
        output = connection.getOutputStream();
        output.write(query.getBytes(charset));
    } finally {
        if (output != null) {
            try {
                output.close();
            } catch (IOException logOrIgnore) {
                log.error("Error while closing the connection");
            }
        }
    }
    HttpURLConnection httpConn = (HttpURLConnection) connection;
    int responseCode = httpConn.getResponseCode();
    return responseCode;
}

---

From source file:org.wso2.carbon.connector.common.ConnectorIntegrationUtil.java

public static int sendRequestToRetriveHeaders(String addUrl, String query) throws IOException, JSONException {

    String charset = "UTF-8";
    URLConnection connection = new URL(addUrl).openConnection();
    connection.setDoOutput(true);//  w  w  w .jav a2s  . c o  m
    connection.setRequestProperty("Accept-Charset", charset);
    connection.setRequestProperty("Content-Type", "application/json;charset=" + charset);

    OutputStream output = null;
    try {
        output = connection.getOutputStream();
        output.write(query.getBytes(charset));
    } finally {
        if (output != null) {
            try {
                output.close();
            } catch (IOException logOrIgnore) {
                log.error("Error while closing the connection");
            }
        }
    }

    HttpURLConnection httpConn = (HttpURLConnection) connection;
    int responseCode = httpConn.getResponseCode();

    return responseCode;
}

---

From source file:info.magnolia.cms.exchange.simple.Transporter.java

/**
 * http form multipart form post/*w w  w  .ja v  a  2s . c  o  m*/
 * @param connection
 * @param activationContent
 * @throws ExchangeException
 */
public static void transport(URLConnection connection, ActivationContent activationContent)
        throws ExchangeException {
    FileInputStream fis = null;
    DataOutputStream outStream = null;
    try {
        byte[] buffer = new byte[BUFFER_SIZE];
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setUseCaches(false);
        connection.setRequestProperty("Content-type", "multipart/form-data; boundary=" + BOUNDARY);
        connection.setRequestProperty("Cache-Control", "no-cache");

        outStream = new DataOutputStream(connection.getOutputStream());
        outStream.writeBytes("--" + BOUNDARY + "\r\n");

        // set all resources from activationContent
        Iterator fileNameIterator = activationContent.getFiles().keySet().iterator();
        while (fileNameIterator.hasNext()) {
            String fileName = (String) fileNameIterator.next();
            fis = new FileInputStream(activationContent.getFile(fileName));
            outStream.writeBytes("content-disposition: form-data; name=\"" + fileName + "\"; filename=\""
                    + fileName + "\"\r\n");
            outStream.writeBytes("content-type: application/octet-stream" + "\r\n\r\n");
            while (true) {
                synchronized (buffer) {
                    int amountRead = fis.read(buffer);
                    if (amountRead == -1) {
                        break;
                    }
                    outStream.write(buffer, 0, amountRead);
                }
            }
            fis.close();
            outStream.writeBytes("\r\n" + "--" + BOUNDARY + "\r\n");
        }
        outStream.flush();
        outStream.close();

        log.debug("Activation content sent as multipart/form-data");
    } catch (Exception e) {
        throw new ExchangeException(
                "Simple exchange transport failed: " + ClassUtils.getShortClassName(e.getClass()), e);
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (IOException e) {
                log.error("Exception caught", e);
            }
        }
        if (outStream != null) {
            try {
                outStream.close();
            } catch (IOException e) {
                log.error("Exception caught", e);
            }
        }
    }

}

---

From source file:org.wso2.carbon.connector.common.ConnectorIntegrationUtil.java

public static OMElement sendXMLRequest(String addUrl, String query)
        throws MalformedURLException, IOException, XMLStreamException {

    String charset = "UTF-8";
    URLConnection connection = new URL(addUrl).openConnection();
    connection.setDoOutput(true);/*from  w w  w .  j a  v a 2 s  . com*/
    connection.setRequestProperty("Accept-Charset", charset);
    connection.setRequestProperty("Content-Type", "application/json;charset=" + charset);
    OutputStream output = null;
    try {
        output = connection.getOutputStream();
        output.write(query.getBytes(charset));
    } finally {
        if (output != null) {
            try {
                output.close();
            } catch (IOException logOrIgnore) {
                log.error("Error while closing the connection");
            }
        }
    }

    HttpURLConnection httpConn = (HttpURLConnection) connection;
    InputStream response;

    if (httpConn.getResponseCode() >= 400) {
        response = httpConn.getErrorStream();
    } else {
        response = connection.getInputStream();
    }

    String out = "{}";
    if (response != null) {
        StringBuilder sb = new StringBuilder();
        byte[] bytes = new byte[1024];
        int len;
        while ((len = response.read(bytes)) != -1) {
            sb.append(new String(bytes, 0, len));
        }

        if (!sb.toString().trim().isEmpty()) {
            out = sb.toString();
        }
    }

    OMElement omElement = AXIOMUtil.stringToOM(out);

    return omElement;

}

---

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

/**
 * Send an HTTP(s) request with POST parameters.
 * //  ww w . ja v a  2s  .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  w w w .  j  a  va2 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());
    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();
}

---

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