Example usage for java.net HttpURLConnection disconnect

List of usage examples for java.net HttpURLConnection disconnect

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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.reactivetechnologies.jaxrs.RestServerTest.java

static String sendGet(String url) throws IOException {

    StringBuilder response = new StringBuilder();
    HttpURLConnection con = null;
    BufferedReader in = null;//from w w w. j  a v a 2s  . c o  m
    try {
        URL obj = new URL(url);
        con = (HttpURLConnection) obj.openConnection();

        // optional default is GET
        con.setRequestMethod("GET");

        //add request header
        con.setRequestProperty("User-Agent", "Mozilla/5.0");

        int responseCode = con.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            in = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
        } else {
            throw new IOException("Response Code: " + responseCode);
        }

        return response.toString();
    } catch (IOException e) {
        throw e;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {

            }
        }
        if (con != null) {
            con.disconnect();
        }
    }

}

From source file:Main.java

/**
 * Issue a POST request to the server.//from   w  ww . jav  a 2 s  .c  om
 *
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 *
 * @throws java.io.IOException
 *             propagated from POST.
 */
public static String post(String endpoint, Map<String, String> params) throws IOException {
    URL url;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Entry<String, String> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    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/x-www-form-urlencoded;charset=UTF-8");
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response
        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }

        // Get Response
        InputStream is = conn.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        StringBuffer response = new StringBuffer();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\n');
        }
        rd.close();
        return response.toString();

    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

From source file:com.jooketechnologies.network.ServerUtilities.java

static JSONObject post(String endpoint, int action, Map<String, String> params) {
    URL url;/* w w  w . j  ava2s  .  c om*/
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Entry<String, String> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    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/x-www-form-urlencoded;charset=UTF-8");
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response

        int status = conn.getResponseCode();
        InputStream is = conn.getInputStream();
        if (status != 200) {
            if (conn != null) {
                conn.disconnect();
            }
        } else {
            JSONObject jsonObject = streamToString(is);
            return jsonObject;
        }
    } catch (IOException e) {

        e.printStackTrace();
    }
    return null;

}

From source file:com.orchestra.portale.external.services.manager.CiRoService.java

@Override
public String load() {
    try {//w ww .j  a v a 2  s  . c om
        deletePois();
        HttpURLConnection urlConnection = (HttpURLConnection) new URL(loadUrl).openConnection();
        urlConnection.setConnectTimeout(15000);
        urlConnection.setReadTimeout(30000);
        String result = IOUtils.toString(urlConnection.getInputStream());
        urlConnection.disconnect();
        JsonParser parser = new JsonParser();
        JsonElement json = parser.parse(result);
        JsonArray puntiCiro = json.getAsJsonObject().get("puntiCiro").getAsJsonArray();
        StringBuilder insertedPoi = new StringBuilder();
        for (int i = 0; i < puntiCiro.size(); i++) {
            insertedPoi.append(createPoi(i, puntiCiro));
        }
        return insertedPoi.toString();
    } catch (Exception e) {
        return "response{code:1,error:" + e.toString() + "}";
    }
}

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

public static List<User> getAllUsers() throws IOException {
    String _url = getBaseUri().appendPath("Users").build().toString();
    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.GET);
    addRequestHeader(conn, false);//from   ww  w  .ja  v  a2s.co m

    // Get server response
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);

    List<User> userList = new ArrayList<User>();
    final JsonNode userArray = MAPPER.readTree(response).get(Keys.User.LIST);

    if (userArray.isArray()) {
        for (final JsonNode userNode : userArray) {
            User u = parseUser(userNode);
            // assign and check null and do not add local user
            if (u != null) {
                userList.add(u);
            }
        }
    }

    conn.disconnect();
    return userList;
}

From source file:ext.services.network.TestNetworkUtils.java

/**
 * Test method for./*from  www  .j ava  2s  . c o m*/
 *
 * @throws Exception the exception
 * {@link ext.services.network.NetworkUtils#getConnection(java.net.URL, ext.services.network.Proxy)}
 * .
 */
public void testGetConnectionURLProxy() throws Exception {
    // null when no connection is allowed
    Conf.setProperty(Const.CONF_NETWORK_NONE_INTERNET_ACCESS, "true");
    assertNull(NetworkUtils.getConnection(new java.net.URL(URL), null));
    // useful content when inet access is allowed
    Conf.setProperty(Const.CONF_NETWORK_NONE_INTERNET_ACCESS, "false");
    HttpURLConnection connection = NetworkUtils.getConnection(new java.net.URL(URL), null);
    assertNotNull(connection);
    connection.disconnect();
}

From source file:com.googlesource.gerrit.plugins.its.jira.restapi.JiraRestApi.java

/**
 * Do a simple GET request. Object of type 'T' is returned containing the parsed JSON data
 *
 * @param passCode HTTP response code required to mark this GET as success
 * @param failCodes HTTP response codes allowed and not fail on unexpected response
 * @throws IOException generated if unexpected failCode is returned
 *///from  ww w  .ja  va 2 s  .  co  m
public T doGet(String spec, int passCode, int[] failCodes) throws IOException {
    HttpURLConnection conn = prepHttpConnection(spec, "GET", false);
    try {
        if (validateResponse(conn, passCode, failCodes)) {
            readIncomingData(conn);
        }
        return data;
    } finally {
        conn.disconnect();
    }
}

From source file:com.ngdata.hbaseindexer.util.solr.SolrTestingUtility.java

/**
 * Creates a new core, associated with a collection, in Solr.
 *///from ww  w.j  a va2s.  co m
public void createCore(String coreName, String collectionName, String configName, int numShards, String dataDir)
        throws IOException {
    String url = "http://localhost:" + solrPort + "/solr/admin/cores?action=CREATE&name=" + coreName
            + "&collection=" + collectionName + "&configName=" + configName + "&numShards=" + numShards;

    if (dataDir != null) {
        url += "&dataDir=" + dataDir;
    }

    URL coreActionURL = new URL(url);
    HttpURLConnection conn = (HttpURLConnection) coreActionURL.openConnection();
    conn.connect();
    int response = conn.getResponseCode();
    conn.disconnect();
    if (response != 200) {
        throw new RuntimeException("Request to " + url + ": expected status 200 but got: " + response + ": "
                + conn.getResponseMessage());
    }
}

From source file:com.example.igorklimov.popularmoviesdemo.helpers.Utility.java

public static String getJsonResponse(String s) {
    HttpURLConnection connection = null;
    InputStream input = null;//from w  w  w  .  j a  v  a  2s.  c o m
    BufferedReader reader = null;
    String JsonResponse = null;

    try {
        URL url = new URL(s);
        Log.d("TAG", url.toString());
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        connection.connect();
        input = connection.getInputStream();
        StringBuilder builder = new StringBuilder();

        if (input != null) {
            reader = new BufferedReader(new InputStreamReader(input));
            String line;

            while ((line = reader.readLine()) != null) {
                builder.append(line).append("\n");
            }
            JsonResponse = builder.toString();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (input != null) {
            try {
                input.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return JsonResponse;
}

From source file:dlauncher.dialogs.Login.java

private String login_getResponse() throws IOException {
    URL website = new URL("http://authserver.mojang.com/authenticate");
    final HttpURLConnection connection = (HttpURLConnection) website.openConnection();
    connection.setReadTimeout(3000);// w ww .ja va  2  s  . c om
    try (Closeable c = new Closeable() {
        @Override
        public void close() throws IOException {
            connection.disconnect();
        }
    }) {
        StringBuilder response;
        try (BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
            response = new StringBuilder();
            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
        }
        return response.toString();
    }
}