Example usage for java.net HttpURLConnection setUseCaches

Introduction

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

Prototype

public void setUseCaches(boolean usecaches) 

Source Link

Document

Sets the value of the useCaches field of this URLConnection to the specified value.

Usage

From source file:Main.java

public static String post(String url, Map<String, String> params) {
    try {/*from  ww w . j  a v a2s.c o  m*/
        URL u = new URL(url);
        HttpURLConnection connection = (HttpURLConnection) u.openConnection();
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestMethod("POST");
        connection.setUseCaches(false);
        PrintWriter pw = new PrintWriter(connection.getOutputStream());
        StringBuilder sbParams = new StringBuilder();
        if (params != null) {
            for (String key : params.keySet()) {
                sbParams.append(key + "=" + params.get(key) + "&");
            }
        }
        if (sbParams.length() > 0) {
            String strParams = sbParams.substring(0, sbParams.length() - 1);
            Log.e("cat", "strParams:" + strParams);
            pw.write(strParams);
            pw.flush();
            pw.close();
        }
        BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        StringBuffer response = new StringBuffer();
        String readLine = "";
        while ((readLine = br.readLine()) != null) {
            response.append(readLine);
        }
        br.close();
        return response.toString();
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

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

public static String doGET(String urlstr, List<BasicNameValuePair> params) throws IOException {
    String result = null;//from w  w w .  j a va2 s.c  o  m
    String content = "";
    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");
    }
    URL url = new URL(urlstr + "?" + content.substring(1));
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoInput(true);
    connection.setRequestMethod("GET");
    connection.setUseCaches(false);
    connection.connect();
    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;
}

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From source file:flexpos.restfulConnection.java

public static String postRESTful(String RESTfull_URL, String data) {
    String state = "";
    try {//from www  .java 2  s .c  o m
        URL url = new URL(RESTfull_URL);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);

        //Send request
        postRequest(connection, data);

        //Get Response
        state = postResponse(connection);

        if (connection != null) {
            connection.disconnect();
        }
    } catch (Exception ex) {
        Logger.getLogger(restfulConnection.class.getName()).log(Level.SEVERE, null, ex);
    }

    return state;
}

---

From source file:com.publicuhc.pluginframework.util.UUIDFetcher.java

protected static HttpURLConnection getConnection() throws IOException {
    URL url = new URL(PROFILE_URL);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");

    connection.setUseCaches(false);
    connection.setDoInput(true);// ww w. j ava  2s. c  o m
    connection.setDoOutput(true);

    return connection;
}

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From source file:Main.java

public static String upLoad(File file, String RequestURL) {
    String BOUNDER = UUID.randomUUID().toString();
    String PREFIX = "--";
    String END = "/r/n";

    try {//  w  w  w.  ja v a2s.c om
        URL url = new URL(RequestURL);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setReadTimeout(TIME_OUT);
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Charset", CHARSET);
        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setRequestProperty("Cotent-Type", CONTENT_TYPE + ";boundary=" + BOUNDER);

        if (file != null) {
            OutputStream outputStream = connection.getOutputStream();

            DataOutputStream dataOutputStream = new DataOutputStream(outputStream);
            StringBuffer sb = new StringBuffer();
            sb.append(PREFIX);
            sb.append(BOUNDER + END);
            dataOutputStream.write(sb.toString().getBytes());
            InputStream in = new FileInputStream(file);
            byte[] b = new byte[1024];
            int l = 0;
            while ((l = in.read()) != -1) {
                outputStream.write(b, 0, l);
            }
            in.close();
            dataOutputStream.write(END.getBytes());
            dataOutputStream.write((PREFIX + BOUNDER + PREFIX + END).getBytes());
            dataOutputStream.flush();

            int i = connection.getResponseCode();
            if (i == 200) {
                return SUCCESS;
            }
        }

    } catch (IOException e) {
        e.printStackTrace();
    }
    return FALIURE;

}

---

From source file:com.zf.util.Post_NetNew.java

/**
 * ?//  www  .j  a  v a  2  s. c om
 * 
 * @param pams
 * @param ip
 * @param port
 * @return
 * @throws Exception
 */
public static String pn(Map<String, String> pams, String ip, int port) throws Exception {
    if (null == pams) {
        return "";
    }
    InetSocketAddress addr = new InetSocketAddress(ip, port);
    Proxy proxy = new Proxy(Type.HTTP, addr);
    String strtmp = "url";
    URL url = new URL(pams.get(strtmp));
    pams.remove(strtmp);
    strtmp = "body";
    String body = pams.get(strtmp);
    pams.remove(strtmp);
    strtmp = "POST";
    if (StringUtils.isEmpty(body))
        strtmp = "GET";
    HttpURLConnection httpConn = (HttpURLConnection) url.openConnection(proxy);
    httpConn.setConnectTimeout(30000);
    httpConn.setReadTimeout(30000);
    httpConn.setUseCaches(false);
    httpConn.setRequestMethod(strtmp);
    for (String pam : pams.keySet()) {
        httpConn.setRequestProperty(pam, pams.get(pam));
    }
    if ("POST".equals(strtmp)) {
        httpConn.setDoOutput(true);
        httpConn.setDoInput(true);
        DataOutputStream dos = new DataOutputStream(httpConn.getOutputStream());
        dos.writeBytes(body);
        dos.flush();
    }
    int resultCode = httpConn.getResponseCode();
    StringBuilder sb = new StringBuilder();
    sb.append(resultCode).append("\n");
    String readLine;
    InputStream stream;
    try {
        stream = httpConn.getInputStream();
    } catch (Exception ignored) {
        stream = httpConn.getErrorStream();
    }
    try {
        BufferedReader responseReader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
        while ((readLine = responseReader.readLine()) != null) {
            sb.append(readLine).append("\n");
        }
    } catch (Exception ignored) {
    }

    return sb.toString();
}

---

From source file:com.cnaude.mutemanager.UUIDFetcher.java

private static HttpURLConnection createConnection() throws Exception {
    URL url = new URL(PROFILE_URL);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");
    connection.setUseCaches(false);
    connection.setDoInput(true);/*from w w w  .j ava2  s  .co m*/
    connection.setDoOutput(true);
    return connection;
}

---

From source file:com.example.admin.processingboilerplate.JsonIO.java

public static JSONObject pushJson(String requestURL, String jsonDataName, JSONObject json) {
    try {/*  www . j  av  a 2 s .c o  m*/
        String boundary = "===" + System.currentTimeMillis() + "===";

        URL url = new URL(requestURL);
        //HttpURLConnection con = (HttpURLConnection) url.openConnection();
        URLConnection uc = (url).openConnection();
        HttpURLConnection con = requestURL.startsWith("https") ? (HttpsURLConnection) uc
                : (HttpURLConnection) uc;
        con.setUseCaches(false);
        con.setDoOutput(true);
        con.setDoInput(true);
        con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
        con.setRequestProperty("User-Agent", USER_AGENT);
        OutputStream outputStream = con.getOutputStream();
        PrintWriter writer = new PrintWriter(new OutputStreamWriter(outputStream, charset), true);

        writer.append("--" + boundary).append(CRLF);
        writer.append("Content-Disposition: form-data; name=\"" + "data" + "\"").append(CRLF);
        writer.append("Content-Type: text/plain; charset=" + charset).append(CRLF);
        writer.append(CRLF);
        writer.append(json.toString()).append(CRLF);
        writer.flush();

        writer.append(CRLF).flush();
        writer.append("--" + boundary + "--").append(CRLF);
        writer.close();
        int status = con.getResponseCode();
        if (status == HttpURLConnection.HTTP_OK) {
            StringBuilder sb = load(con);
            try {
                json = new JSONObject(sb.toString());
                return json;
            } catch (JSONException e) {
                Log.e("loadJson", e.getMessage(), e);
                e.printStackTrace();
                return new JSONObject();
            }
        } else {
            throw new IOException("Server returned non-OK status: " + status);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return new JSONObject();
}

---

From source file:it.unicaradio.android.gcm.GcmServerRpcCall.java

/**
 * @param url/*ww w  .  j a v  a  2  s.  com*/
 * @param bytes
 * @return
 * @throws IOException
 * @throws ProtocolException
 */
private static HttpURLConnection setupConnection(URL url, byte[] bytes) throws IOException, ProtocolException {
    HttpURLConnection conn;
    conn = (HttpURLConnection) url.openConnection();
    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setFixedLengthStreamingMode(bytes.length);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
    return conn;
}

---

From source file:com.blogspot.ryanfx.auth.GoogleUtil.java

/**
 * Sends the auth token to google and gets the json result.
 * @param token auth token/*from   w  w  w. ja v  a  2 s.  c om*/
 * @return json result if valid request, null if invalid.
 * @throws IOException
 * @throws LoginException
 */
private static String issueTokenGetRequest(String token) throws IOException, LoginException {
    int timeout = 2000;
    URL u = new URL("https://www.googleapis.com/oauth2/v2/userinfo");
    HttpURLConnection c = (HttpURLConnection) u.openConnection();
    c.setRequestMethod("GET");
    c.setRequestProperty("Content-length", "0");
    c.setRequestProperty("Authorization", "OAuth " + token);
    c.setUseCaches(false);
    c.setAllowUserInteraction(false);
    c.setConnectTimeout(timeout);
    c.setReadTimeout(timeout);
    c.connect();
    int status = c.getResponseCode();
    if (status == HttpServletResponse.SC_OK) {
        BufferedReader br = new BufferedReader(new InputStreamReader(c.getInputStream()));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = br.readLine()) != null) {
            sb.append(line + "\n");
        }
        br.close();
        return sb.toString();
    } else if (status == HttpServletResponse.SC_UNAUTHORIZED) {
        Logger.getLogger(GoogleUtil.class.getName()).severe("Invalid token request: " + token);
    }
    return null;
}

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