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:net.gcolin.simplerepo.test.AbstractRepoTest.java

protected int getStatus(String url, long lastUpdate) throws IOException {
    HttpURLConnection c = (HttpURLConnection) new URL(url).openConnection();
    try {//from w ww.  j a va  2  s  .  c o m
        if (lastUpdate > 0) {
            c.setIfModifiedSince(lastUpdate);
        }
        c.setUseCaches(false);
        c.connect();
        return c.getResponseCode();
    } finally {
        c.disconnect();
    }
}

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From source file:Main.java

public static String doGet(String urlStr) {
    URL url = null;/*  w  w w . ja  va 2  s. com*/
    HttpURLConnection conn = null;
    InputStream is = null;
    ByteArrayOutputStream baos = null;
    try {
        url = new URL(urlStr);
        conn = (HttpURLConnection) url.openConnection();
        conn.setReadTimeout(TIMEOUT_IN_MILLIONS);
        conn.setConnectTimeout(TIMEOUT_IN_MILLIONS);
        conn.setRequestMethod("GET");
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        if (conn.getResponseCode() == 200) {
            is = conn.getInputStream();
            baos = new ByteArrayOutputStream();
            int len = -1;
            byte[] buf = new byte[128];

            while ((len = is.read(buf)) != -1) {
                baos.write(buf, 0, len);
            }
            baos.flush();
            return baos.toString();
        } else {
            throw new RuntimeException(" responseCode is not 200 ... ");
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (is != null)
                is.close();
        } catch (IOException e) {
        }
        try {
            if (baos != null)
                baos.close();
        } catch (IOException e) {
        }
        conn.disconnect();
    }

    return null;

}

---

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

public static List<Task> getTasks(String userID) throws JsonParseException, JsonMappingException, IOException {
    // Server URL setup
    String _url = getBaseUri().appendPath("Tasks").appendPath(userID).build().toString();
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.GET);
    addRequestHeader(conn, false);//from w  ww  .j av  a2 s . co  m

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

    // Initialize ObjectMapper
    List<Task> taskList = new ArrayList<Task>();
    final JsonNode taskArray = MAPPER.readTree(response).get(Keys.Task.LIST);

    if (taskArray.isArray()) {
        for (final JsonNode taskNode : taskArray) {
            Task t = TaskDatabaseAdapter.parseTasks(taskNode);
            if (t != null) {
                taskList.add(t);
            }
        }
    } else {
        Log.e(TAG, "Error parsing user's task list");
    }

    conn.disconnect();
    for (Task t : taskList) {
        TaskDatabaseAdapter.getTask(t);
    }
    return taskList;
}

---

From source file:net.sf.okapi.filters.drupal.DrupalConnector.java

/**
 * Logout and end session//from w w  w  .  j  av  a  2 s  .  c o  m
 * @return
 */
boolean logout() {
    try {
        URL url = new URL(host + "rest/user/logout");
        HttpURLConnection conn = createConnection(url, "POST", false);
        if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
            conn.disconnect();
            return false;
        }
        conn.disconnect();
    } catch (Throwable e) {
        throw new OkapiIOException("Error in logout().", e);
    }
    return true;
}

---

From source file:Main.java

public static byte[] doGet(String urlStr) {
    URL url = null;// w ww  .j a v  a2  s .c  o  m
    HttpURLConnection conn = null;
    InputStream is = null;
    ByteArrayOutputStream baos = null;
    try {
        url = new URL(urlStr);
        conn = (HttpURLConnection) url.openConnection();
        conn.setReadTimeout(TIMEOUT_IN_MILLIONS);
        conn.setConnectTimeout(TIMEOUT_IN_MILLIONS);
        conn.setRequestMethod("GET");
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        if (conn.getResponseCode() == 200) {
            is = conn.getInputStream();
            baos = new ByteArrayOutputStream();
            int len = -1;
            byte[] buf = new byte[128];

            while ((len = is.read(buf)) != -1) {
                baos.write(buf, 0, len);
            }
            baos.flush();
            return baos.toByteArray();
        } else {
            throw new RuntimeException(" responseCode is not 200 ... ");
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (is != null)
                is.close();
        } catch (IOException e) {
        }
        try {
            if (baos != null)
                baos.close();
        } catch (IOException e) {
        }
        conn.disconnect();
    }

    return null;

}

---

From source file:net.sf.okapi.filters.drupal.DrupalConnector.java

public Node getNode(String nodeId) {
    try {/*from www .j  ava 2  s.  com*/
        URL url = new URL(host + String.format("rest/node/%s", nodeId));
        HttpURLConnection conn = createConnection(url, "GET", false);

        if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
            conn.disconnect();
            throw new RuntimeException("Error in getNode(): " + conn.getResponseMessage());
        }

        BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));

        JSONParser parser = new JSONParser();
        JSONObject node = (JSONObject) parser.parse(reader);

        conn.disconnect();

        return new Node(node);
    } catch (Throwable e) {
        throw new RuntimeException("Error in getNode(): " + e.getMessage(), e);
    }
}

---

From source file:KV78Tester.java

public String[] getLines() throws Exception {
    String uri = "http://openov.nl:5078/line/";
    URL url = new URL(uri);
    HttpURLConnection uc = (HttpURLConnection) url.openConnection();
    uc.setRequestProperty("User-Agent", "KV78Turbo-Test");
    uc.setConnectTimeout(60000);/*  ww  w .  j  av a  2s .c  om*/
    uc.setReadTimeout(60000);
    BufferedReader in;
    in = new BufferedReader(new InputStreamReader(uc.getInputStream(), "UTF-8"));
    try {
        return parseLines(in);
    } finally {
        uc.disconnect();
    }
}

---

From source file:net.bible.service.common.CommonUtils.java

/** return true if URL is accessible
 * //from   w  w w.j av  a  2s . co m
 * Since Android 3 must do on different or NetworkOnMainThreadException is thrown
 */
public static boolean isHttpUrlAvailable(final String urlString) {
    boolean isAvailable = false;
    final int TIMEOUT_MILLIS = 3000;

    try {
        class CheckUrlThread extends Thread {
            public boolean checkUrlSuccess = false;

            public void run() {
                HttpURLConnection connection = null;
                try {
                    // might as well test for the url we need to access
                    URL url = new URL(urlString);

                    Log.d(TAG, "Opening test connection");
                    connection = (HttpURLConnection) url.openConnection();
                    connection.setConnectTimeout(TIMEOUT_MILLIS);
                    Log.d(TAG, "Connecting to test internet connection");
                    connection.connect();
                    checkUrlSuccess = (connection.getResponseCode() == HttpURLConnection.HTTP_OK);
                    Log.d(TAG, "Url test result for:" + urlString + " is " + checkUrlSuccess);
                } catch (IOException e) {
                    Log.i(TAG, "No internet connection");
                    checkUrlSuccess = false;
                } finally {
                    if (connection != null) {
                        connection.disconnect();
                    }
                }
            }
        }
        ;

        CheckUrlThread checkThread = new CheckUrlThread();
        checkThread.start();
        checkThread.join(TIMEOUT_MILLIS);
        isAvailable = checkThread.checkUrlSuccess;
    } catch (InterruptedException e) {
        Log.e(TAG, "Interrupted waiting for url check to complete", e);
    }
    return isAvailable;
}

---

From source file:com.clevertrail.mobile.viewtrail.Object_TrailArticle.java

private static int loadTrailArticle_helper(Activity activity, String sTrailName) {

    String sResponseLine = "";
    //sanity check
    if (sTrailName == null || sTrailName == "")
        return R.string.error_notrailname;

    //connect to clevertrail.com to get trail article
    HttpURLConnection urlConnection = null;
    try {// w  w w  .j a v  a  2  s. c om
        String requestURL = String.format("http://clevertrail.com/ajax/handleGetArticleJSONByName.php?name=%s",
                Uri.encode(sTrailName));

        URL url = new URL(requestURL);
        urlConnection = (HttpURLConnection) url.openConnection();

        InputStream in = new BufferedInputStream(urlConnection.getInputStream());

        BufferedReader r = new BufferedReader(new InputStreamReader(in));

        //trail article in json format
        sResponseLine = r.readLine();

    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return R.string.error_contactingclevertrail;
    } catch (IOException e) {
        // TODO Auto-generated catch block
        // could not connect to clevertrail.com
        e.printStackTrace();
        return R.string.error_contactingclevertrail;
    } finally {
        if (urlConnection != null)
            urlConnection.disconnect();
    }

    JSONObject json = null;
    try {
        if (sResponseLine != "")
            json = new JSONObject(sResponseLine);
    } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return R.string.error_corrupttrailinfo;
    }

    //now that we have the latest trail information, mark it as unsaved
    Object_TrailArticle.bSaved = false;

    // if json is null, we might not have internet activity so check saved
    // files
    if (json == null) {
        Database_SavedTrails db = new Database_SavedTrails(activity);
        db.openToRead();
        String jsonString = db.getJSONString(sTrailName);
        try {
            json = new JSONObject(jsonString);

            // if we found the json object in the db, mark it as saved
            if (json != null) {
                Object_TrailArticle.bSaved = true;
            }

        } catch (JSONException e) {
            return R.string.error_corrupttrailinfo;
        }
        db.close();
    }

    if (json != null) {
        Object_TrailArticle.createFromJSON(sTrailName, json);
        Object_TrailArticle.jsonText = sResponseLine;

        //after loading the data, launch the activity to actually view the trail
        Intent i = new Intent(mActivity, Activity_ViewTrail.class);
        mActivity.startActivity(i);

        return 0;
    }
    return R.string.error_corrupttrailinfo;
}

---

From source file:net.cbtltd.server.WebService.java

/**
 * Gets the connection to the JSON server.
 *
 * @param url the connection URL./*from  w  ww  . j a  va  2  s  .  c  om*/
 * @param rq the request object.
 * @return the JSON string returned by the message.
 * @throws Throwable the exception thrown by the method.
 */
private static final String getConnection(URL url, String rq) throws Throwable {
    String jsonString = "";
    HttpURLConnection connection = null;
    try {
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        //connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "application/json");

        if (rq != null) {
            connection.setRequestProperty("Accept", "application/json");
            connection.connect();
            byte[] outputBytes = rq.getBytes("UTF-8");
            OutputStream os = connection.getOutputStream();
            os.write(outputBytes);
        }

        if (connection.getResponseCode() != 200) {
            throw new RuntimeException("HTTP:" + connection.getResponseCode() + "URL " + url);
        }
        BufferedReader br = new BufferedReader(new InputStreamReader((connection.getInputStream())));
        String line;
        while ((line = br.readLine()) != null) {
            jsonString += line;
        }
    } catch (Throwable x) {
        throw new RuntimeException(x.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
    return jsonString;
}

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