Example usage for java.net HttpURLConnection disconnect

Introduction

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

Prototype

public abstract void disconnect();

Source Link

Document

Indicates that other requests to the server are unlikely in the near future.

Usage

From source file:com.cyphermessenger.client.SyncRequest.java

private static CypherContact manageContact(CypherSession session, String contactName, boolean add)
        throws IOException, APIErrorException {
    String action = "block";
    if (add) {//from   ww w  . jav a 2s  .co  m
        action = "add";
    }
    String[] keys = new String[] { "action", "contactName" };
    String[] vals = new String[] { action, contactName };

    HttpURLConnection conn = doRequest("contact", session, keys, vals);
    if (conn.getResponseCode() != 200) {
        throw new IOException("Server error");
    }

    InputStream in = conn.getInputStream();
    JsonNode node = MAPPER.readTree(in);
    conn.disconnect();
    int statusCode = node.get("status").asInt();
    if (statusCode == StatusCode.OK && add) {
        long userID = node.get("contactID").asLong();
        long keyTimestamp = node.get("keyTimestamp").asLong();
        long contactTimestamp = node.get("contactTimestamp").asLong();
        ECKey key = Utils.decodeKey(node.get("publicKey").asText());
        key.setTime(keyTimestamp);
        boolean isFirst = node.get("isFirst").asBoolean();
        return new CypherContact(contactName, userID, key, keyTimestamp, CypherContact.ACCEPTED,
                contactTimestamp, isFirst);
    } else {
        boolean isFirst = node.get("isFirst").asBoolean();
        String status;
        switch (statusCode) {
        case StatusCode.CONTACT_WAITING:
            status = CypherContact.WAITING;
            break;
        case StatusCode.OK:
        case StatusCode.CONTACT_BLOCKED:
            status = CypherContact.BLOCKED;
            break;
        case StatusCode.CONTACT_DENIED:
            status = CypherContact.DENIED;
            break;
        default:
            throw new APIErrorException(statusCode);
        }
        return new CypherContact(contactName, null, null, null, status, null, isFirst);
    }
}

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From source file:Main.java

public static void server2mobile(Context context, String type) {

    String serverPath = "http://shaunrain.zicp.net/FileUp/QueryServlet?type=" + type;
    try {/*  www.ja  v  a2 s.  c  o  m*/
        URL url = new URL(serverPath);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(10000);
        conn.setRequestMethod("GET");

        int code = conn.getResponseCode();
        Log.d("code", code + "");
        if (code == 200) {
            InputStream is = conn.getInputStream();

            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            int len = 0;
            byte[] buffer = new byte[1024];

            while ((len = is.read(buffer)) != -1) {
                baos.write(buffer, 0, len);
            }
            is.close();
            conn.disconnect();

            String result = new String(baos.toByteArray());
            String[] results = result.split("[$]");
            for (String r : results) {
                if (r.length() != 0) {
                    URL json = new URL(r);
                    HttpURLConnection con = (HttpURLConnection) json.openConnection();
                    con.setConnectTimeout(5000);
                    con.setRequestMethod("GET");
                    int co = con.getResponseCode();
                    if (co == 200) {
                        File jsonFile;
                        if (r.endsWith("clear.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/clear.json");
                        } else if (r.endsWith("crowd.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/crowd.json");
                        } else if (r.endsWith("trouble.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/trouble.json");
                        } else {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/control.json");
                        }

                        if (jsonFile.exists())
                            jsonFile.delete();
                        jsonFile.createNewFile();
                        try (BufferedReader reader = new BufferedReader(
                                new InputStreamReader(con.getInputStream(), "gb2312"));
                                BufferedWriter writer = new BufferedWriter(new FileWriter(jsonFile));) {
                            String line = null;
                            while ((line = reader.readLine()) != null) {
                                writer.write(line);
                            }
                        }

                    }
                    con.disconnect();
                }
            }

        }

    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

---

From source file:com.meetingninja.csse.database.NotesDatabaseAdapter.java

public static Boolean deleteNote(String noteID) throws IOException {
    String _url = getBaseUri().appendPath(noteID).build().toString();
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.DELETE);
    addRequestHeader(conn, false);//from   w w  w . j a v a  2 s  . c o  m
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);

    boolean result = false;
    JsonNode tree = MAPPER.readTree(response);
    if (!response.isEmpty()) {
        if (!tree.has(Keys.DELETED)) {
            result = true;
        } else {
            logError("note.del.err", tree);
        }
    }

    conn.disconnect();
    return result;
}

---

From source file:Main.java

public static String httpGet(String urlStr, List<NameValuePair> params) {

    String paramsEncoded = "";
    if (params != null) {
        paramsEncoded = URLEncodedUtils.format(params, "UTF-8");
    }/*from w  w  w  .  j  a v a2s .  com*/

    String fullUrl = urlStr + "?" + paramsEncoded;

    String result = null;
    URL url = null;
    HttpURLConnection connection = null;
    InputStreamReader in = null;
    try {
        url = new URL(fullUrl);
        connection = (HttpURLConnection) url.openConnection();
        in = new InputStreamReader(connection.getInputStream());
        BufferedReader bufferedReader = new BufferedReader(in);
        StringBuffer strBuffer = new StringBuffer();
        String line = null;
        while ((line = bufferedReader.readLine()) != null) {
            strBuffer.append(line);
        }
        result = strBuffer.toString();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }
    return result;
}

---

From source file:ca.xecure.easychip.CommonUtilities.java

public static void http_post(String endpoint, Map<String, String> params) throws IOException {
    URL url;/*ww w . j  av  a2  s .  co m*/
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }

    String body = JSONValue.toJSONString(params);
    Log.v(LOG_TAG, "Posting '" + body + "' to " + url);

    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setFixedLengthStreamingMode(bytes.length);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");

        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();

        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

---

From source file:com.meetingninja.csse.database.TaskDatabaseAdapter.java

public static Boolean deleteTask(String taskID) throws IOException {
    String _url = getBaseUri().appendPath(taskID).build().toString();
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.DELETE);
    addRequestHeader(conn, false);/*from   w  w w  .j  ava  2 s. c o  m*/
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);

    boolean result = false;
    JsonNode tree = MAPPER.readTree(response);
    if (!response.isEmpty()) {
        if (!tree.has(Keys.DELETED)) {
            result = true;
        } else {
            logError(TAG, tree);
        }
    }

    conn.disconnect();
    return result;

}

---

From source file:org.openo.nfvo.monitor.dac.util.APIHttpClient.java

public static void doDelete(String urls, String token) {
    URL url = null;/*from   w  w  w . j a v  a 2 s  .c  om*/
    try {
        url = new URL(urls);
    } catch (MalformedURLException exception) {
        exception.printStackTrace();
    }
    HttpURLConnection httpURLConnection = null;
    try {
        httpURLConnection = (HttpURLConnection) url.openConnection();
        httpURLConnection.setRequestProperty("Content-Type", "application/json");
        if (!Global.isEmpty(token)) {
            httpURLConnection.setRequestProperty("X-Auth-Token", token);
        }
        httpURLConnection.setRequestMethod("DELETE");
        logger.info("#####====" + httpURLConnection.getResponseCode());
    } catch (IOException e) {
        logger.error("Exception", e);
    } finally {
        if (httpURLConnection != null) {
            httpURLConnection.disconnect();
        }
    }
}

---

From source file:edu.stanford.epadd.launcher.Main.java

private static boolean isURLAlive(String url) throws IOException {
    try {/*from w ww .  jav a  2s.c o  m*/
        // attempt to fetch the page
        // throws a connect exception if the server is not even running
        // so catch it and return false

        // since "index" may auto load default archive, attach it to session, and redirect to "info" page,
        // we need to maintain the session across the pages.
        // see "Maintaining the session" at http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests
        CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ALL));

        HttpURLConnection u = (HttpURLConnection) new URL(url).openConnection();
        if (u.getResponseCode() == 200) {
            u.disconnect();
            return true;
        }
        u.disconnect();
    } catch (ConnectException ce) {
    }
    return false;
}

---

From source file:com.wisdombud.right.client.common.HttpKit.java

/**
 * Send POST request//from  www .j  a  va 2 s.  c  o  m
 */
public static String post(String url, Map<String, String> queryParas, String data,
        Map<String, String> headers) {
    HttpURLConnection conn = null;
    try {
        conn = getHttpConnection(buildUrlWithQueryString(url, queryParas), POST, headers);
        conn.connect();

        final OutputStream out = conn.getOutputStream();
        out.write(data != null ? data.getBytes(CHARSET) : null);
        out.flush();
        out.close();

        return readResponseString(conn);
    } catch (final Exception e) {
        throw new RuntimeException(e);
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

---

From source file:com.gallatinsystems.common.util.S3Util.java

public static String getObjectAcl(String bucketName, String objectKey, String awsAccessId, String awsSecretKey)
        throws IOException {

    final String date = getDate();
    final URL url = new URL(String.format(S3_URL, bucketName, objectKey) + "?acl");
    final String payload = String.format(GET_PAYLOAD_ACL, date, bucketName, objectKey);
    final String signature = MD5Util.generateHMAC(payload, awsSecretKey);

    InputStream in = null;//from w  w w  .j  a  v a 2  s.co  m
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Date", date);
        conn.setRequestProperty("Authorization", "AWS " + awsAccessId + ":" + signature);

        in = new BufferedInputStream(conn.getInputStream());

        return IOUtils.toString(in);
    } catch (Exception e) {
        log.log(Level.SEVERE, "Error getting ACL for : " + url.toString(), e);
        return null;
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
        IOUtils.closeQuietly(in);
    }
}

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