Example usage for java.net HttpURLConnection setUseCaches

List of usage examples for java.net HttpURLConnection setUseCaches

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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:org.cohorte.remote.dispatcher.servlet.ServletWrapper.java

@Override
public void sendDiscovered(final String aHost, final int aPort, final String aPath) {

    // Prepare our endpoints
    final Collection<Map<String, Object>> endpointsMaps = new LinkedList<Map<String, Object>>();
    for (final ExportEndpoint endpoint : pDispatcher.getEndpoints()) {
        endpointsMaps.add(endpoint.toMap());
    }// w  w w . j  a v  a 2s  . co m

    // Convert the list to JSON
    final String data = new JSONArray(endpointsMaps).toString();

    // Prepare the path to the servlet endpoints
    final StringBuilder servletPath = new StringBuilder(aPath);
    if (!aPath.endsWith("/")) {
        servletPath.append("/");
    }
    servletPath.append("endpoints");

    final URL url;
    try {
        url = new URL("http", aHost, aPort, servletPath.toString());

    } catch (final MalformedURLException ex) {
        pLogger.log(LogService.LOG_ERROR, "Error forging URL to send a discovered packet: " + ex, ex);
        return;
    }

    // Send a POST request
    HttpURLConnection httpConnection = null;
    try {
        httpConnection = (HttpURLConnection) url.openConnection();

        // POST message
        httpConnection.setRequestMethod("POST");
        httpConnection.setUseCaches(false);
        httpConnection.setDoInput(true);
        httpConnection.setDoOutput(true);

        // Headers
        httpConnection.setRequestProperty("Content-Type", "application/json");

        // After fields, before content
        httpConnection.connect();

        // Write the event in the request body, if any
        final OutputStream outStream = httpConnection.getOutputStream();

        try {
            outStream.write(data.getBytes());
            outStream.flush();

        } finally {
            // Always be nice...
            outStream.close();
        }

        // Flush the request
        final int responseCode = httpConnection.getResponseCode();
        final String responseData = new String(RSUtils.inputStreamToBytes(httpConnection.getInputStream()));

        if (responseCode != HttpURLConnection.HTTP_OK) {
            pLogger.log(LogService.LOG_WARNING,
                    "Error sending a 'discovered' packet: " + responseCode + " - " + responseData);
            return;
        }

    } catch (final IOException ex) {
        pLogger.log(LogService.LOG_ERROR, "Error sending the 'discovered' packet: " + ex, ex);

    } finally {
        // Clean up
        if (httpConnection != null) {
            httpConnection.disconnect();
        }
    }
}

From source file:com.appcelerator.titanium.desktop.ui.wizard.Packager.java

private void publish(IProject project, File zipFile) throws UnsupportedEncodingException, MalformedURLException,
        IOException, ProtocolException, FileNotFoundException, ParseException, CoreException {
    // FIXME What if user isn't signed in? We can enforce that they must be in enablement of action, but maybe the
    // sign-in timed out or something.
    ITitaniumUser user = TitaniumCorePlugin.getDefault().getUserManager().getSignedInUser();
    Map<String, String> data = new HashMap<String, String>();
    data.put("sid", user.getSessionID()); //$NON-NLS-1$
    data.put("token", user.getToken()); //$NON-NLS-1$
    data.put("uid", user.getUID()); //$NON-NLS-1$
    data.put("uidt", user.getUIDT()); //$NON-NLS-1$

    // Post zip to url
    URL postURL = makeURL(PUBLISH_URL, data);

    IdeLog.logInfo(DesktopPlugin.getDefault(), MessageFormat.format("API Request: {0}", postURL), //$NON-NLS-1$
            com.appcelerator.titanium.core.IDebugScopes.API);

    HttpURLConnection con = (HttpURLConnection) postURL.openConnection();
    con.setUseCaches(false);
    con.setDoOutput(true);//from  w w  w . j  ava  2s .c  om
    con.setRequestMethod("POST"); //$NON-NLS-1$
    con.setRequestProperty("User-Agent", TitaniumConstants.USER_AGENT); //$NON-NLS-1$
    // Pipe zip contents to stream
    OutputStream out = con.getOutputStream();
    IOUtil.pipe(new BufferedInputStream(new FileInputStream(zipFile)), out);
    out.flush();
    out.close();

    // Force to finish, grab response code
    int code = con.getResponseCode();

    // Delete the destDir after POST has finished
    if (!zipFile.delete()) {
        zipFile.deleteOnExit();
    }

    // If the http code is 200 from POST, parse response as JSON. Else display error
    if (code == 200) {
        String responseText = IOUtil.read(con.getInputStream());
        IdeLog.logInfo(DesktopPlugin.getDefault(),
                MessageFormat.format("API Response: {0}:{1}", code, responseText), //$NON-NLS-1$
                com.appcelerator.titanium.core.IDebugScopes.API);

        Object result = new JSONParser().parse(responseText);

        if (result instanceof JSONObject) {
            JSONObject json = (JSONObject) result;
            boolean successful = (Boolean) json.get("success"); //$NON-NLS-1$
            if (!successful) {
                // FIXME For some reason we're failing here but Titanium Developer isn't. Bad zip file? Maybe we're
                // piping it to stream incorrectly?
                throw new CoreException(new Status(IStatus.ERROR, DesktopPlugin.PLUGIN_ID, code,
                        (String) json.get("message"), null)); //$NON-NLS-1$
            }
            // run pollPackagingRequest with "ticket" from JSON and project GUID if 200 and reports success
            pollPackagingRequest(project, (String) json.get("ticket")); //$NON-NLS-1$
        }
    } else {
        String responseText = IOUtil.read(con.getErrorStream());
        IdeLog.logError(DesktopPlugin.getDefault(),
                MessageFormat.format("API Response: {0}:{1}.", code, responseText), //$NON-NLS-1$
                com.appcelerator.titanium.core.IDebugScopes.API);

        throw new CoreException(new Status(IStatus.ERROR, DesktopPlugin.PLUGIN_ID, code,
                Messages.Packager_PackagingFailedHTTPError + code, null));
    }
}

From source file:com.appcelerator.titanium.desktop.ui.wizard.Packager.java

private IStatus invokeCloudService(URL baseURL, Map<String, String> data, String type) {
    DataOutputStream outputStream = null;
    try {/*from  w  ww  . ja va  2  s .  co  m*/

        if (type == null) {
            type = "POST"; //$NON-NLS-1$
        }

        if (data == null) {
            data = new HashMap<String, String>();
        }

        // always pass MID
        data.put("mid", TitaniumCorePlugin.getMID()); //$NON-NLS-1$
        ITitaniumUser user = TitaniumCorePlugin.getDefault().getUserManager().getSignedInUser();
        data.put("sid", user.getSessionID()); //$NON-NLS-1$
        data.put("token", user.getToken()); //$NON-NLS-1$
        data.put("uid", user.getUID()); //$NON-NLS-1$
        data.put("uidt", user.getUIDT()); //$NON-NLS-1$

        // If this is not a POST, append query params don't put as data in body!
        if (!"POST".equals(type)) //$NON-NLS-1$
        {
            baseURL = makeURL(baseURL.toString(), data);
        }
        HttpURLConnection con = (HttpURLConnection) baseURL.openConnection();
        con.setUseCaches(false);
        con.setRequestMethod(type);
        con.setRequestProperty("User-Agent", TitaniumConstants.USER_AGENT); //$NON-NLS-1$
        if ("POST".equals(type)) //$NON-NLS-1$
        {
            con.setDoOutput(true);
            // Write the data to the connection
            outputStream = new DataOutputStream(con.getOutputStream());
            outputStream.writeBytes(getQueryString(data));
            outputStream.flush();
        }

        IdeLog.logInfo(DesktopPlugin.getDefault(), MessageFormat.format("API Request: {0}", baseURL), //$NON-NLS-1$
                com.appcelerator.titanium.core.IDebugScopes.API);

        // Force to finish, grab response code
        int code = con.getResponseCode();

        // If the http code is 200 from POST, parse response as JSON. Else display error
        if (code == 200) {
            String responseText = IOUtil.read(con.getInputStream());
            IdeLog.logInfo(DesktopPlugin.getDefault(),
                    MessageFormat.format("API Response: {0}:{1}", code, responseText), //$NON-NLS-1$
                    com.appcelerator.titanium.core.IDebugScopes.API);

            return new Status(IStatus.OK, DesktopPlugin.PLUGIN_ID, code, responseText, null);
        }
        // TODO Read from connection to populate message!
        return new Status(IStatus.ERROR, DesktopPlugin.PLUGIN_ID, code, null, null);
    } catch (Exception e) {
        return new Status(IStatus.ERROR, DesktopPlugin.PLUGIN_ID, 0, e.getMessage(), e);
    } finally {
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException e) {
                // ignores the exception
            }
        }
    }
}

From source file:com.seeyon.apps.m1.common.manager.menu.impl.MMenuManagerImpl.java

/**
 * ?HttpURLConnection?//w  ww  .  j  av  a 2 s  .  com
 * 
 * @param in
 * @param urlPath
 * @param cookies
 * @return
 * @throws Exception
 */
private int getNum(String urlPath) {
    if (urlPath == null || urlPath.length() < 10) {
        return 0;
    }
    HttpURLConnection httpURLConnection = null;
    String resulet = "";
    try {
        URL url = new URL(urlPath);// ???
        httpURLConnection = (HttpURLConnection) url.openConnection();
        // ?
        httpURLConnection.setDoOutput(true);// 
        httpURLConnection.setRequestMethod("get");// ??
        httpURLConnection.setUseCaches(false);
        httpURLConnection.setRequestProperty("Content-Type", "text/xml; charset=UTF-8");
        httpURLConnection.setDoInput(true);// ?
        httpURLConnection.setConnectTimeout(40000); // 
        httpURLConnection.setReadTimeout(40000);// ?
        httpURLConnection.connect();
        if (httpURLConnection.getResponseCode() == 200) {
            InputStream in = httpURLConnection.getInputStream();
            byte[] b = new byte[1024];
            int lent = 0;
            while ((lent = in.read(b)) != -1) {
                resulet = resulet + new String(b, 0, lent);
            }
            in.close();
        }
        return Integer.valueOf(resulet);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        httpURLConnection.disconnect();
    }
    return 0;

}

From source file:io.confluent.kafkarest.tools.ConsumerPerformance.java

private <T> T request(String target, String method, byte[] entity, String entityLength,
        TypeReference<T> responseFormat) {
    HttpURLConnection connection = null;
    try {/*from w w w  .  j av  a 2 s  .  co  m*/
        URL url = new URL(target);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod(method);
        if (entity != null) {
            connection.setRequestProperty("Content-Type", Versions.KAFKA_MOST_SPECIFIC_DEFAULT);
            connection.setRequestProperty("Content-Length", entityLength);
        }
        connection.setDoInput(true);
        connection.setUseCaches(false);
        if (entity != null) {
            connection.setDoOutput(true);
            OutputStream os = connection.getOutputStream();
            os.write(entity);
            os.flush();
            os.close();
        }

        int responseStatus = connection.getResponseCode();
        if (responseStatus >= 400) {
            InputStream es = connection.getErrorStream();
            ErrorMessage errorMessage = jsonDeserializer.readValue(es, ErrorMessage.class);
            es.close();
            throw new RuntimeException(String.format("Unexpected HTTP error status %d for %s request to %s: %s",
                    responseStatus, method, target, errorMessage.getMessage()));
        }
        if (responseStatus != HttpURLConnection.HTTP_NO_CONTENT) {
            InputStream is = connection.getInputStream();
            T result = serializer.readValue(is, responseFormat);
            is.close();
            return result;
        }
        return null;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}

From source file:com.neoteric.starter.metrics.report.elastic.ElasticsearchReporter.java

private HttpURLConnection openConnection(String uri, String method) {
    for (String host : hosts) {
        try {//from   w w  w . ja  v  a2 s.  c o  m
            URL templateUrl = new URL("http://" + host + uri);
            HttpURLConnection connection = (HttpURLConnection) templateUrl.openConnection();
            connection.setRequestMethod(method);
            connection.setConnectTimeout(timeout);
            connection.setUseCaches(false);
            if ("POST".equalsIgnoreCase(method) || "PUT".equalsIgnoreCase(method)) {
                connection.setDoOutput(true);
            }
            connection.connect();

            return connection;
        } catch (IOException e) {
            LOGGER.error("Error connecting to {}: {}", host, e);
        }
    }
    throw new ElasticsearchConnectionException(
            "Error connecting to elasticsearch host(s): " + Arrays.toString(hosts));
}

From source file:com.jeffrodriguez.webtools.client.URLConnectionWebClientImpl.java

private HttpURLConnection buildConnection(String urlString) throws IOException {
    URL url = new URL(urlString);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoInput(true);/*from   w w w  . ja v  a 2 s .com*/
    connection.setConnectTimeout(timeout);
    connection.setReadTimeout(timeout);
    connection.setUseCaches(false);

    // Set the authorization header if one has been specified
    if (authorization != null) {
        connection.setRequestProperty("Authorization", authorization);
    }

    return connection;
}

From source file:edu.pdx.cecs.orcycle.NoteUploader.java

boolean uploadOneNote(long noteId) {
    boolean result = false;
    final String postUrl = mCtx.getResources().getString(R.string.post_url);

    try {/* ww w.  ja va2 s.c o m*/
        JSONArray jsonNoteResponses = getNoteResponsesJSON(noteId);

        URL url = new URL(postUrl);

        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoInput(true); // Allow Inputs
        conn.setDoOutput(true); // Allow Outputs
        conn.setUseCaches(false); // Don't use a Cached Copy
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.setRequestProperty("ENCTYPE", "multipart/form-data");
        conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
        conn.setRequestProperty("Cycleatl-Protocol-Version", "4");

        DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
        JSONObject jsonNote;
        if (null != (jsonNote = getNoteJSON(noteId))) {
            try {
                String deviceId = userId;

                dos.writeBytes(notesep + ContentField("note") + jsonNote.toString() + "\r\n");
                dos.writeBytes(
                        notesep + ContentField("version") + String.valueOf(kSaveNoteProtocolVersion) + "\r\n");
                dos.writeBytes(notesep + ContentField("device") + deviceId + "\r\n");
                dos.writeBytes(notesep + ContentField("noteResponses") + jsonNoteResponses.toString() + "\r\n");

                if (null != imageData) {
                    dos.writeBytes(notesep + "Content-Disposition: form-data; name=\"file\"; filename=\""
                            + deviceId + ".jpg\"\r\n" + "Content-Type: image/jpeg\r\n\r\n");
                    dos.write(imageData);
                    dos.writeBytes("\r\n");
                }

                dos.writeBytes(notesep);
                dos.flush();
            } catch (Exception ex) {
                Log.e(MODULE_TAG, ex.getMessage());
                return false;
            } finally {
                dos.close();
            }
            int serverResponseCode = conn.getResponseCode();
            String serverResponseMessage = conn.getResponseMessage();
            // JSONObject responseData = new JSONObject(serverResponseMessage);
            Log.v("Jason", "HTTP Response is : " + serverResponseMessage + ": " + serverResponseCode);
            if (serverResponseCode == 201 || serverResponseCode == 202) {
                mDb.open();
                mDb.updateNoteStatus(noteId, NoteData.STATUS_SENT);
                mDb.close();
                result = true;
            }
        } else {
            result = false;
        }
    } catch (IllegalStateException ex) {
        Log.e(MODULE_TAG, ex.getMessage());
        return false;
    } catch (IOException ex) {
        Log.e(MODULE_TAG, ex.getMessage());
        return false;
    } catch (JSONException ex) {
        Log.e(MODULE_TAG, ex.getMessage());
        return false;
    } finally {
        NoteUploader.setPending(noteId, false);
    }
    return result;
}

From source file:com.juhnowski.sanskrvar.Main.java

public Entry checkWord(String word) {
    StringBuilder sb = new StringBuilder();
    sb.append("http://www.sanskrit-lexicon.uni-koeln.de/scans/WILScan/2014/web/webtc/getword.php?key=");
    sb.append(word);// ww  w.j  ava2  s . c  o  m
    sb.append("&filter=roman&noLit=off&transLit=hk");
    String targetURL = sb.toString();
    String urlParameters = "";

    HttpURLConnection connection = null;

    try {
        //Create connection
        URL url = new URL(targetURL);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/xhr");

        connection.setRequestProperty("Content-Length", Integer.toString(urlParameters.getBytes().length));
        connection.setRequestProperty("Content-Language", "en-US");

        connection.setUseCaches(false);
        connection.setDoOutput(true);

        //Send request
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.close();

        InputStream is = connection.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        StringBuilder response = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\r');
        }
        rd.close();
        String s = response.toString();
        if (!s.contains("<h2>not found:")) {
            return new Entry(word, s);
        } else {
            return null;
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
    return null;
}

From source file:AIR.Common.Web.HttpWebHelper.java

public String getResponse(String urlString, String postRequestParams, String contentMimeType) throws Exception {
    try {/* w w w . ja v  a 2  s .  c o  m*/
        URL url = new URL(urlString);
        HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
        urlConn.setRequestProperty("Content-Type",
                String.format("application/%s; charset=UTF-8", contentMimeType));
        urlConn.setUseCaches(false);

        // the request will return a response
        urlConn.setDoInput(true);

        // set request method to POST
        urlConn.setDoOutput(true);

        OutputStreamWriter writer = new OutputStreamWriter(urlConn.getOutputStream());
        writer.write(postRequestParams);
        writer.flush();

        // reads response, store line by line in an array of Strings
        BufferedReader reader = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));

        StringBuffer bfr = new StringBuffer();

        String line = "";
        while ((line = reader.readLine()) != null) {
            bfr.append(line + "\n");
        }

        reader.close();
        writer.close();
        urlConn.disconnect();
        return bfr.toString();

    } catch (Exception exp) {
        StringWriter strn = new StringWriter();
        exp.printStackTrace(new PrintWriter(strn));
        _logger.error(strn.toString());
        exp.printStackTrace();
        throw new Exception(exp);
    }
}