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.commonsware.android.EMusicDownloader.SingleAlbum.java

private Bitmap getImageBitmap(String url) {
    Bitmap bm = null;//from  ww  w  .  j av a2 s  . co  m
    try {
        URL aURL = new URL(url);
        HttpURLConnection conn = (HttpURLConnection) aURL.openConnection();
        long ifs = 0;
        ifs = conn.getContentLength();
        if (ifs == -1) {
            conn.disconnect();
            conn = (HttpURLConnection) aURL.openConnection();
            ifs = conn.getContentLength();
        }
        vArtExists = false;
        if (ifs > 0) {
            conn.connect();
            InputStream is = conn.getInputStream();
            BufferedInputStream bis = new BufferedInputStream(is);
            bm = BitmapFactory.decodeStream(bis);
            bis.close();
            is.close();
            vArtExists = true;
            //Log.d("EMD - ","art exists - Hurray!");
        } else {
            Log.e("EMD - ", "art fail ifs 0 " + ifs + " " + url);
        }
    } catch (IOException e) {
        vArtExists = false;
        Log.e("EMD - ", "art fail");
    }
    return bm;
}

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From source file:com.reactivetechnologies.jaxrs.RestServerTest.java

static String sendDelete(String url, String content) throws IOException {

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

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

        //add request header
        con.setRequestProperty("User-Agent", "Mozilla/5.0");
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeUTF(content);
        wr.flush();
        wr.close();

        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();
        }
    }

}

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From source file:net.gcolin.simplerepo.test.AbstractRepoTest.java

protected int sendContent(String url, String fileContent, String user, String password) throws IOException {
    HttpURLConnection c = (HttpURLConnection) new URL(url).openConnection();
    try {//  w  w  w . j av  a  2  s .c o  m
        c.setDoOutput(true);
        c.setRequestMethod("PUT");
        if (user != null) {
            c.setRequestProperty("Authorization",
                    "Basic " + Base64.encodeBase64String((user + ":" + password).getBytes("utf-8")));
        }
        c.connect();
        IOUtils.copy(new ByteArrayInputStream(fileContent.getBytes("utf-8")), c.getOutputStream());
        return c.getResponseCode();
    } finally {
        c.disconnect();
    }
}

---

From source file:bolts.WebViewAppLinkResolver.java

@Override
public Task<AppLink> getAppLinkFromUrlInBackground(final Uri url) {
    final Capture<String> content = new Capture<String>();
    final Capture<String> contentType = new Capture<String>();
    return Task.callInBackground(new Callable<Void>() {
        @Override/*from w  ww.  j  a  va  2  s.  c om*/
        public Void call() throws Exception {
            URL currentURL = new URL(url.toString());
            URLConnection connection = null;
            while (currentURL != null) {
                // Fetch the content at the given URL.
                connection = currentURL.openConnection();
                if (connection instanceof HttpURLConnection) {
                    // Unfortunately, this doesn't actually follow redirects if they go from http->https,
                    // so we have to do that manually.
                    ((HttpURLConnection) connection).setInstanceFollowRedirects(true);
                }
                connection.setRequestProperty(PREFER_HEADER, META_TAG_PREFIX);
                connection.connect();

                if (connection instanceof HttpURLConnection) {
                    HttpURLConnection httpConnection = (HttpURLConnection) connection;
                    if (httpConnection.getResponseCode() >= 300 && httpConnection.getResponseCode() < 400) {
                        currentURL = new URL(httpConnection.getHeaderField("Location"));
                        httpConnection.disconnect();
                    } else {
                        currentURL = null;
                    }
                } else {
                    currentURL = null;
                }
            }

            try {
                content.set(readFromConnection(connection));
                contentType.set(connection.getContentType());
            } finally {
                if (connection instanceof HttpURLConnection) {
                    ((HttpURLConnection) connection).disconnect();
                }
            }
            return null;
        }
    }).onSuccessTask(new Continuation<Void, Task<JSONArray>>() {
        @Override
        public Task<JSONArray> then(Task<Void> task) throws Exception {
            // Load the content in a WebView and use JavaScript to extract the meta tags.
            final TaskCompletionSource<JSONArray> tcs = new TaskCompletionSource<>();
            final WebView webView = new WebView(context);
            webView.getSettings().setJavaScriptEnabled(true);
            webView.setNetworkAvailable(false);
            webView.setWebViewClient(new WebViewClient() {
                private boolean loaded = false;

                private void runJavaScript(WebView view) {
                    if (!loaded) {
                        // After the first resource has been loaded (which will be the pre-populated data)
                        // run the JavaScript meta tag extraction script
                        loaded = true;
                        view.loadUrl(TAG_EXTRACTION_JAVASCRIPT);
                    }
                }

                @Override
                public void onPageFinished(WebView view, String url) {
                    super.onPageFinished(view, url);
                    runJavaScript(view);
                }

                @Override
                public void onLoadResource(WebView view, String url) {
                    super.onLoadResource(view, url);
                    runJavaScript(view);
                }
            });
            // Inject an object that will receive the JSON for the extracted JavaScript tags
            webView.addJavascriptInterface(new Object() {
                @JavascriptInterface
                public void setValue(String value) {
                    try {
                        tcs.trySetResult(new JSONArray(value));
                    } catch (JSONException e) {
                        tcs.trySetError(e);
                    }
                }
            }, "boltsWebViewAppLinkResolverResult");
            String inferredContentType = null;
            if (contentType.get() != null) {
                inferredContentType = contentType.get().split(";")[0];
            }
            webView.loadDataWithBaseURL(url.toString(), content.get(), inferredContentType, null, null);
            return tcs.getTask();
        }
    }, Task.UI_THREAD_EXECUTOR).onSuccess(new Continuation<JSONArray, AppLink>() {
        @Override
        public AppLink then(Task<JSONArray> task) throws Exception {
            Map<String, Object> alData = parseAlData(task.getResult());
            AppLink appLink = makeAppLinkFromAlData(alData, url);
            return appLink;
        }
    });
}

---

From source file:com.joyent.manta.client.MantaClientSigningIT.java

@Test
public final void testCanCreateSignedPUTUriFromPath() throws IOException, InterruptedException {
    if (config.isClientEncryptionEnabled()) {
        throw new SkipException("Signed URLs are not decrypted by the client");
    }//from   w ww .j a v  a  2 s  .c o  m

    final String name = UUID.randomUUID().toString();
    final String path = testPathPrefix + name;

    Instant expires = Instant.now().plus(1, ChronoUnit.HOURS);
    URI uri = mantaClient.getAsSignedURI(path, "PUT", expires);

    HttpURLConnection connection = (HttpURLConnection) uri.toURL().openConnection();

    connection.setReadTimeout(3000);
    connection.setRequestMethod("PUT");
    connection.setDoOutput(true);
    connection.setChunkedStreamingMode(10);
    connection.connect();

    try (OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), UTF_8)) {
        out.write(TEST_DATA);
    } finally {
        connection.disconnect();
    }

    // Wait for file to become available
    for (int i = 0; i < 10; i++) {
        Thread.sleep(500);

        if (mantaClient.existsAndIsAccessible(path)) {
            break;
        }
    }

    String actual = mantaClient.getAsString(path);
    Assert.assertEquals(actual, TEST_DATA);
}

---

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

public static List<Note> getNotes(String userID) throws Exception {
    // Server URL setup
    String _url = getBaseUri().appendPath("Notes").appendPath(userID).build().toString();
    Log.d("GETNOTES", _url);
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.GET);
    addRequestHeader(conn, false);/*  w w w  .ja v a 2 s. co m*/

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

    // Initialize ObjectMapper
    List<Note> noteList = new ArrayList<Note>();
    List<String> noteIds = new ArrayList<String>();
    final JsonNode noteArray = MAPPER.readTree(response).get(Keys.Note.LIST);

    if (noteArray.isArray()) {
        for (final JsonNode noteNode : noteArray) {
            Note n = NotesDatabaseAdapter.getNote(JsonUtils.getJSONValue(noteNode, Keys.Note.ID));
            n.setCreatedBy(JsonUtils.getJSONValue(noteNode, Keys.Note.CREATED_BY));
            if (n != null) {
                noteList.add(n);
            }
            noteIds.add(noteNode.get(Keys.Note.ID).asText());
        }
    } else {
        Log.e(TAG, "Error parsing user's notes list");
    }

    conn.disconnect();
    return noteList;
}

---

From source file:it.openyoureyes.test.panoramio.Panoramio.java

public List<GeoItem> examinePanoramio(Location current, double distance, Drawable myImage, Intent intent) {
    ArrayList<GeoItem> result = new ArrayList<GeoItem>();

    /*/* w  ww  . j  a v a  2 s  .c o m*/
     * var requiero_fotos = new Json.Remote(
     * "http://www.panoramio.com/map/get_panoramas.php?order=popularity&
     * set=
     * full&from=0&to=10&minx=-5.8&miny=42.59&maxx=-5.5&maxy=42.65&size=
     * medium "
     */
    Location loc1 = new Location("test");
    Location loc2 = new Location("test_");
    AbstractGeoItem.calcDestination(current.getLatitude(), current.getLongitude(), 225, distance / 2, loc1);
    AbstractGeoItem.calcDestination(current.getLatitude(), current.getLongitude(), 45, distance / 2, loc2);
    try {
        URL url = new URL(
                "http://www.panoramio.com/map/get_panoramas.php?order=popularity&set=full&from=0&to=10&minx="
                        + loc1.getLongitude() + "&miny=" + loc1.getLatitude() + "&maxx=" + loc2.getLongitude()
                        + "&maxy=" + loc2.getLatitude() + "&size=thumbnail");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();

        String line;
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        StringBuffer buf = new StringBuffer();
        while ((line = reader.readLine()) != null) {
            buf.append(line + " ");
        }
        reader.close();
        is.close();
        conn.disconnect();
        // while (is.read(buffer) != -1);
        String jsontext = buf.toString();
        Log.d("Json Panoramio", jsontext);
        JSONObject entrie = new JSONObject(jsontext);
        JSONArray arr = entrie.getJSONArray("photos");
        for (int i = 0; i < arr.length(); i++) {
            JSONObject panoramioObj = arr.getJSONObject(i);
            double longitude = panoramioObj.getDouble("longitude");
            double latitude = panoramioObj.getDouble("latitude");
            String urlFoto = panoramioObj.getString("photo_file_url");
            String idFoto = panoramioObj.getString("photo_id");
            Bundle bu = intent.getExtras();
            if (bu == null)
                bu = new Bundle();
            bu.putString("id", idFoto);
            intent.replaceExtras(bu);
            BitmapDrawable bb = new BitmapDrawable(downloadFile(urlFoto));
            PanoramioItem item = new PanoramioItem(latitude, longitude, false, bb, intent);
            result.add(item);
        }

    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (JSONException e) {
        e.printStackTrace();
    }
    return result;

}

---

From source file:fyp.project.asyncTask.Http_GetPost.java

public void GET(String url, String val) throws IOException {
    String result = "";
    URL url2 = new URL(url + val);
    HttpURLConnection urlConnection = (HttpURLConnection) url2.openConnection();
    int code = urlConnection.getResponseCode();
    try {//from  w  w w  .ja v  a  2  s. c  o m
        if (code == 404) {
            webpage_output = null;
        } else {
            InputStream in = new BufferedInputStream(urlConnection.getInputStream());
            result = convertInputStreamToString(in);
            webpage_output = result;

        }
    } catch (Exception e) {
        Log.d("InputStream", e.getLocalizedMessage());
    } finally {
        urlConnection.disconnect();
    }

}

---

From source file:org.yawlfoundation.yawl.engine.interfce.Interface_Client.java

/**
 * Sends data to the specified url via a HTTP POST, and returns the reply
 * @param connection the http url connection to send the request to
 * @param paramsMap a map of attribute=value pairs representing the data to send
 * @param stripOuterXML true if this was originally a POST request, false if a GET request
 * @return the response from the url//  ww w . j  a  v  a  2s  . c  o  m
 * @throws IOException when there's some kind of communication problem
 */
protected String send(HttpURLConnection connection, Map<String, String> paramsMap, boolean stripOuterXML)
        throws IOException {

    // encode data and send query
    sendData(connection, encodeData(paramsMap));

    //retrieve reply
    String result = getReply(connection.getInputStream());
    connection.disconnect();

    if (stripOuterXML)
        result = stripOuterElement(result);
    return result;

}

---

From source file:alluxio.yarn.ApplicationMaster.java

/**
 * Checks if an Alluxio master node is already running
 * or not on the master address given./*from   ww w . j a v a2s.  c  o  m*/
 *
 * @return true if master exists, false otherwise
 */
private boolean masterExists() {

    String webPort = Configuration.get(PropertyKey.MASTER_WEB_PORT);

    try {
        URL myURL = new URL(
                "http://" + mMasterAddress + ":" + webPort + Constants.REST_API_PREFIX + "/master/version");
        LOG.debug("Checking for master at: " + myURL.toString());
        HttpURLConnection connection = (HttpURLConnection) myURL.openConnection();
        connection.setRequestMethod(HttpMethod.GET);
        int resCode = connection.getResponseCode();
        LOG.debug("Response code from master was: " + Integer.toString(resCode));

        connection.disconnect();
        return resCode == HttpURLConnection.HTTP_OK;
    } catch (MalformedURLException e) {
        LOG.error("Malformed URL in attempt to check if master is running already", e);
    } catch (IOException e) {
        LOG.debug("No existing master found", e);
    }

    return false;
}

---

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