Example usage for java.net URLConnection setUseCaches

Introduction

In this page you can find the example usage for java.net URLConnection 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:info.mallmc.framework.util.ProfileLoader.java

private void addProperties(GameProfile profile) {
    String uuid = getUUID(skinOwner);
    try {/* www . java  2  s.c  om*/
        // Get the name from SwordPVP
        URL url = new URL(
                "https://sessionserver.mojang.com/session/minecraft/profile/" + uuid + "?unsigned=false");
        URLConnection uc = url.openConnection();
        uc.setUseCaches(false);
        uc.setDefaultUseCaches(false);
        uc.addRequestProperty("User-Agent", "Mozilla/5.0");
        uc.addRequestProperty("Cache-Control", "no-cache, no-store, must-revalidate");
        uc.addRequestProperty("Pragma", "no-cache");

        // Parse it
        String json = new Scanner(uc.getInputStream(), "UTF-8").useDelimiter("\\A").next();
        JSONParser parser = new JSONParser();
        Object obj = parser.parse(json);
        JSONArray properties = (JSONArray) ((JSONObject) obj).get("properties");
        for (int i = 0; i < properties.size(); i++) {
            try {
                JSONObject property = (JSONObject) properties.get(i);
                String name = (String) property.get("name");
                String value = (String) property.get("value");
                String signature = property.containsKey("signature") ? (String) property.get("signature")
                        : null;
                if (signature != null) {
                    profile.getProperties().put(name, new Property(name, value, signature));
                } else {
                    profile.getProperties().put(name, new Property(value, name));
                }
            } catch (Exception e) {
                L.ogError(LL.ERROR, Trigger.LOAD, "Failed to apply auth property",
                        "Failed to apply auth property");
            }
        }
    } catch (Exception e) {
        ; // Failed to load skin
    }
}

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From source file:net.sf.zekr.engine.network.NetworkController.java

public InputStream openSteam(String uri, int timeout) throws URISyntaxException, IOException {
    URL url = new URL(uri);
    URLConnection conn = url.openConnection(getProxy(uri));
    conn.setReadTimeout(timeout);/*from  w w w.  j a v  a 2 s .  co m*/
    conn.setUseCaches(true);
    return conn.getInputStream();
}

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From source file:XMLResourceBundleControl.java

public ResourceBundle newBundle(String baseName, Locale locale, String format, ClassLoader loader,
        boolean reload) throws IllegalAccessException, InstantiationException, IOException {

    if ((baseName == null) || (locale == null) || (format == null) || (loader == null)) {
        throw new NullPointerException();
    }/*from   w ww .  j  av a  2s  . co m*/
    ResourceBundle bundle = null;
    if (!format.equals(XML)) {
        return null;
    }

    String bundleName = toBundleName(baseName, locale);
    String resourceName = toResourceName(bundleName, format);
    URL url = loader.getResource(resourceName);
    if (url == null) {
        return null;
    }
    URLConnection connection = url.openConnection();
    if (connection == null) {
        return null;
    }
    if (reload) {
        connection.setUseCaches(false);
    }
    InputStream stream = connection.getInputStream();
    if (stream == null) {
        return null;
    }
    BufferedInputStream bis = new BufferedInputStream(stream);
    bundle = new XMLResourceBundle(bis);
    bis.close();

    return bundle;
}

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From source file:CounterApp.java

public int getCount() throws Exception {
    java.net.URL url = new java.net.URL(servletURL);
    java.net.URLConnection con = url.openConnection();
    if (sessionCookie != null) {
        con.setRequestProperty("cookie", sessionCookie);
    }/*from w  w  w  . j  a v a 2  s .c o m*/
    con.setUseCaches(false);
    con.setDoOutput(true);
    con.setDoInput(true);
    ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(byteOut);
    out.flush();
    byte buf[] = byteOut.toByteArray();
    con.setRequestProperty("Content-type", "application/octet-stream");
    con.setRequestProperty("Content-length", "" + buf.length);
    DataOutputStream dataOut = new DataOutputStream(con.getOutputStream());
    dataOut.write(buf);
    dataOut.flush();
    dataOut.close();
    DataInputStream in = new DataInputStream(con.getInputStream());
    int count = in.readInt();
    in.close();
    if (sessionCookie == null) {
        String cookie = con.getHeaderField("set-cookie");
        if (cookie != null) {
            sessionCookie = parseCookie(cookie);
            System.out.println("Setting session ID=" + sessionCookie);
        }
    }

    return count;
}

---

From source file:io.v.positioning.gae.ServletPostAsyncTask.java

@Override
protected String doInBackground(Context... params) {
    mContext = params[0];/*from  w  w  w .  j a  va  2  s  . c o  m*/
    DataOutputStream os = null;
    InputStream is = null;
    try {
        URLConnection conn = mUrl.openConnection();
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
        conn.connect();
        os = new DataOutputStream(conn.getOutputStream());
        os.write(mData.toString().getBytes("UTF-8"));
        is = conn.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        return br.readLine();
    } catch (IOException e) {
        return "IOException while contacting GEA: " + e.getMessage();
    } catch (Exception e) {
        return "Exception while contacting GEA: " + e.getLocalizedMessage();
    } finally {
        if (os != null)
            try {
                os.close();
            } catch (IOException e) {
                return "IOException closing os: " + e.getMessage();
            }
        if (is != null)
            try {
                is.close();
            } catch (IOException e) {
                return "IOException closing is: " + e.getMessage();
            }
    }
}

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From source file:org.silverpeas.calendar.ServletConnector.java

/**
 * Open a connection to the Silverpeas calendar importation servlet.
 *
 * @return a URLConnection object to connect to the Silverpeas calendar importation servlet.
 * @throws MalformedURLException/*from w  ww .j  a va2 s .c  o m*/
 * @throws IOException
 */
private final URLConnection getServletConnection() throws MalformedURLException, IOException {
    URL urlServlet = new URL(servletURL);
    URLConnection con = urlServlet.openConnection();
    con.setDoInput(true);
    con.setDoOutput(true);
    con.setUseCaches(false);
    con.setRequestProperty("Content-Type", "application/json");
    return con;
}

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From source file:org.jenkinsci.plugins.mber.FileDownloadCallable.java

@Override
public JSONObject invoke(final File file, final VirtualChannel channel) {
    InputStream istream = null;//from   w ww  .j ava 2 s.com
    OutputStream ostream = null;
    try {
        this.fileName = file.getName();
        // Avoid I/O errors by setting attributes on the connection before getting data from it.
        final String redirectedURL = followRedirects(this.url);
        final URLConnection connection = new URL(redirectedURL).openConnection();
        connection.setUseCaches(false);

        // Track expected bytes vs. downloaded bytes so we can retry corrupt downloads.
        final long expectedByteCount = connection.getContentLength();
        istream = connection.getInputStream();
        ostream = new LoggingOutputStream(new FilePath(file).write(), this, expectedByteCount);
        final long downloadedByteCount = IOUtils.copyLarge(istream, ostream);

        if (downloadedByteCount < expectedByteCount) {
            final long missingByteCount = expectedByteCount - downloadedByteCount;
            return MberJSON.failed(String.format("Missing %d bytes in %s", missingByteCount, this.fileName));
        }

        return MberJSON.success();
    } catch (final LoggingInterruptedException e) {
        return MberJSON.aborted(e);
    } catch (final Exception e) {
        return MberJSON.failed(e);
    } finally {
        // Close the input and output streams so other build steps can access those files.
        IOUtils.closeQuietly(istream);
        IOUtils.closeQuietly(ostream);
    }
}

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From source file:XMLResourceBundleControl.java

public ResourceBundle newBundle(String baseName, Locale locale, String format, ClassLoader loader,
            boolean reload) throws IllegalAccessException, InstantiationException, IOException {

        if ((baseName == null) || (locale == null) || (format == null) || (loader == null)) {
            throw new NullPointerException();
        }/*from   ww w  . j  av a  2s.c  om*/
        ResourceBundle bundle = null;
        if (!format.equals(XML)) {
            return null;
        }

        String bundleName = toBundleName(baseName, locale);
        String resourceName = toResourceName(bundleName, format);
        URL url = loader.getResource(resourceName);
        if (url == null) {
            return null;
        }
        URLConnection connection = url.openConnection();
        if (connection == null) {
            return null;
        }
        if (reload) {
            connection.setUseCaches(false);
        }
        InputStream stream = connection.getInputStream();
        if (stream == null) {
            return null;
        }
        BufferedInputStream bis = new BufferedInputStream(stream);
        bundle = new XMLResourceBundle(bis);
        bis.close();

        return bundle;
    }

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From source file:com.example.m.niceproject.service.GoogleMapsGeocodingService.java

public void refreshLocation(Location location) {
    new AsyncTask<Location, Void, LocationResult>() {
        @Override//from   w  w  w.  j  a va2s.  c o  m
        protected LocationResult doInBackground(Location... locations) {

            Location location = locations[0];

            String endpoint = String.format(
                    "https://maps.googleapis.com/maps/api/geocode/json?latlng=%s,%s&key=%s",
                    location.getLatitude(), location.getLongitude(), API_KEY);

            try {
                URL url = new URL(endpoint);

                URLConnection connection = url.openConnection();
                connection.setUseCaches(false);

                InputStream inputStream = connection.getInputStream();

                BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
                StringBuilder result = new StringBuilder();
                String line;
                while ((line = reader.readLine()) != null) {
                    result.append(line);
                }

                JSONObject data = new JSONObject(result.toString());

                JSONArray results = data.optJSONArray("results");

                if (results.length() == 0) {
                    error = new ReverseGeolocationException("Could not reverse geocode "
                            + location.getLatitude() + ", " + location.getLongitude());

                    return null;
                }

                LocationResult locationResult = new LocationResult();
                locationResult.populate(results.optJSONObject(0));

                return locationResult;

            } catch (Exception e) {
                error = e;
            }

            return null;
        }

        @Override
        protected void onPostExecute(LocationResult location) {

            if (location == null && error != null) {
                listener.geocodeFailure(error);
            } else {
                listener.geocodeSuccess(location);
            }

        }

    }.execute(location);
}

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From source file:org.digidoc4j.impl.bdoc.SKTimestampDataLoader.java

@Override
public byte[] post(String url, byte[] content) {
    logger.info("Getting timestamp from " + url);
    OutputStream out = null;//from w w w.java  2 s.  c  om
    InputStream inputStream = null;
    byte[] result = null;
    try {
        URLConnection connection = new URL(url).openConnection();

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

        connection.setRequestProperty("Content-Type", "application/timestamp-query");
        connection.setRequestProperty("Content-Transfer-Encoding", "binary");
        connection.setRequestProperty("User-Agent", userAgent);

        out = connection.getOutputStream();
        IOUtils.write(content, out);
        inputStream = connection.getInputStream();
        result = IOUtils.toByteArray(inputStream);
    } catch (IOException e) {
        throw new DSSException("An error occured while HTTP POST for url '" + url + "' : " + e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(out);
        IOUtils.closeQuietly(inputStream);
    }
    return result;
}

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