Example usage for java.util Base64 getEncoder

Introduction

In this page you can find the example usage for java.util Base64 getEncoder.

Prototype

public static Encoder getEncoder() 

Source Link

Document

Returns a Encoder that encodes using the Basic type base64 encoding scheme.

Usage

From source file:org.springframework.session.web.http.DefaultCookieSerializer.java

/**
 * Encode the value using Base64./*from  w  w  w .j  av  a  2 s  . c o  m*/
 * @param value the String to Base64 encode
 * @return the Base64 encoded value
 * @since 1.2.2
 */
private String base64Encode(String value) {
    byte[] encodedCookieBytes = Base64.getEncoder().encode(value.getBytes());
    return new String(encodedCookieBytes);
}

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From source file:org.pentaho.di.pan.PanCommandExecutorTest.java

@Test
public void testFilesystemBase64Zip() throws Exception {
    String fileName = "test.ktr";
    File zipFile = new File(getClass().getResource("testKtrArchive.zip").toURI());
    String base64Zip = Base64.getEncoder().encodeToString(FileUtils.readFileToByteArray(zipFile));
    Trans trans = mockedPanCommandExecutor.loadTransFromFilesystem(null, fileName, null, base64Zip);
    assertNotNull(trans);//  w w  w.ja  v a2  s  .c  o  m
}

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From source file:org.springframework.session.data.couchbase.CouchbaseSession.java

public String objectToString(Serializable object) {
    String encoded = null;/* w ww .  j av a  2 s.  c  o  m*/
    try {
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
        objectOutputStream.writeObject(object);
        objectOutputStream.close();
        encoded = new String(Base64.getEncoder().encode(byteArrayOutputStream.toByteArray()));
    } catch (IOException e) {
        e.printStackTrace();
    }
    return encoded;
}

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From source file:com.ibasco.agql.examples.base.BaseExample.java

/**
 * @see <a href="https://gist.github.com/bricef/2436364">https://gist.github.com/bricef/2436364</a>
 *//*from w w  w  .jav a  2  s .  com*/
public static String encrypt(String plainText) throws Exception {
    Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding", "SunJCE");
    SecretKeySpec key = new SecretKeySpec(worldsMostSecureUnhackableKey.getBytes("UTF-8"), "AES");
    cipher.init(Cipher.ENCRYPT_MODE, key,
            new IvParameterSpec(worldsMostSecureUnhackableIvKey.getBytes("UTF-8")));
    return Base64.getEncoder().encodeToString((cipher.doFinal(padNullBytes(plainText))));
}

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From source file:alfio.controller.api.admin.UsersApiController.java

private static String toBase64QRCode(UserWithPassword userWithPassword, String baseUrl) {
    Map<String, Object> info = new HashMap<>();
    info.put("username", userWithPassword.getUsername());
    info.put("password", userWithPassword.getPassword());
    info.put("baseUrl", baseUrl);
    return Base64.getEncoder().encodeToString(ImageUtil.createQRCode(Json.GSON.toJson(info)));
}

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From source file:org.locationtech.geomesa.bigtable.spark.BigtableInputFormatBase.java

public static String scanToString(BigtableExtendedScan scan) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] table = scan.getAttribute(Scan.SCAN_ATTRIBUTES_TABLE_NAME);
    DataOutputStream dos = new DataOutputStream(baos);
    dos.writeInt(table.length);//from ww  w.j  a  v a 2  s.co m
    dos.write(table);
    scan.getRowSet().writeTo(dos);
    dos.flush();
    return Base64.getEncoder().encodeToString(baos.toByteArray());
}

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From source file:com.arvato.thoroughly.util.RestTemplateUtil.java

/**
 * @return HttpHeaders/*from   w  w  w. j a v a2 s.  c  o m*/
 */
public HttpHeaders createHeaders() {
    String encoding = Base64.getEncoder()
            .encodeToString(String.format("%s:%s", datahubAuthUsername, datahubAuthPwd).getBytes());
    String authHeader = "Basic " + encoding;
    HttpHeaders headers = new HttpHeaders();
    headers.add("Authorization", authHeader);
    headers.add("Content-Type", defaultContentType);
    headers.add("User-Agent",
            "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.16 Safari/537.36");
    headers.add("Accept-Encoding", "gzip,deflate");
    headers.add("Accept-Language", "zh-CN");
    headers.add("Connection", "Keep-Alive");
    return headers;
}

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From source file:au.edu.unimelb.plantcell.onekp.icprot.servlets.SubfolderTableVisitor.java

@Override
public String toString() {
    int carousel_id = 1;
    StringBuilder sb = new StringBuilder();

    if (dir2files.keySet().isEmpty()) {
        sb.append("<p>No files available for download.</p>");
        return sb.toString();
    }//from  www.j a  v  a  2 s  .c om

    log.log(Level.INFO, "Found {0} folders to scan for suitable downloads",
            new Object[] { dir2files.keySet().size() });

    List<File> sorted_dirs = new ArrayList<>();
    sorted_dirs.addAll(dir2files.keySet());
    Collections.sort(sorted_dirs, (final File o1, final File o2) -> {
        // length of absolute path is used for comparison for now...
        int len1 = o1.getAbsolutePath().length();
        int len2 = o2.getAbsolutePath().length();
        if (len1 < len2) {
            return -1;
        } else if (len1 > len2) {
            return 1;
        } else {
            return 0;
        }
    });
    FolderDescription fd = new FolderDescription(cb);
    for (File folder : sorted_dirs) {
        List<File> files = dir2files.get(folder);
        if (files.isEmpty()) {
            log.log(Level.INFO, "Found no files for {0}... ignoring",
                    new Object[] { folder.getAbsolutePath() });
            continue;
        }
        log.log(Level.INFO, "Processing folder {0}", new Object[] { folder.getAbsolutePath() });

        ArrayList<File> other_files = new ArrayList<>();
        ArrayList<File> image_files = new ArrayList<>();
        separateImagesFromOtherFiles(files, image_files, other_files);

        if (other_files.size() < 1) {
            log.log(Level.INFO, "Zero other files but found {0} image files in {1}",
                    new Object[] { image_files.size(), folder.getAbsolutePath() });
            if (image_files.size() > 0) {
                sb.append(fd.get(folder));
            }
            carousel_id++;
            continue;
        }
        log.log(Level.INFO, "File sizes: {0} {1} {2}",
                new Object[] { files.size(), image_files.size(), other_files.size() });

        String suffix = folder.getAbsolutePath();
        if (suffix.startsWith(prefix)) {
            suffix = suffix.substring(prefix.length());
            while (suffix.startsWith("/")) {
                suffix = suffix.substring(1);
            }
        }
        String heading = StringEscapeUtils.escapeHtml4(suffix);

        log.log(Level.INFO, "Heading is {0}, suffix is {1}, folder is {2}",
                new Object[] { heading, suffix, folder });
        if (heading.length() > 0) {
            sb.append(fd.get(folder)); // NB: we assume in this case that <h3> is provided by fd.get()
        } else {
            if (sorted_dirs.size() > 1) {
                sb.append(fd.get(folder));
            } else {
                // even in the case where there is a single folder, we give FolderDescription a chance
                // to add a narrative to the page, not just the downloads
                String descr = fd.get(folder);
                if (descr != null && descr.length() > 0) {
                    sb.append(descr);
                }
            }
        }

        boolean make_collapsed_table = (other_files.size() > 20);
        if (make_collapsed_table) {
            String table_id = "table" + n_large_tables++;
            sb.append(
                    "<button type=\"button\" class=\"btn btn-info\" data-toggle=\"collapse\" data-target=\"#");
            sb.append(table_id);
            sb.append("\">Show/hide files</button>");
            sb.append("<div id=\"");
            sb.append(table_id);
            sb.append("\" class=\"collapse\">");
        }
        sb.append("<table class=\"table table-condensed\">");
        sb.append("<tr>");
        sb.append("<th>Name</th>");
        sb.append("<th>Size</th>");
        sb.append("<th>Last modified</th>");
        sb.append("</tr>");

        for (File f : other_files) {
            sb.append("<tr>");
            sb.append("<td>");
            suffix = f.getName();
            if (suffix.startsWith(prefix)) {
                suffix = suffix.substring(prefix.length());
                while (suffix.startsWith("/")) {
                    suffix = suffix.substring(1);
                }
            }
            sb.append("<a href=\"services/FileDownload?attachment=1&file=");
            String encoded = Base64.getEncoder().encodeToString(f.getAbsolutePath().getBytes());
            sb.append(encoded);
            sb.append("\">");
            sb.append(StringEscapeUtils.escapeHtml4(suffix));
            sb.append("</a>");
            sb.append("</td>");
            sb.append("<td>");
            sb.append(StringEscapeUtils.escapeHtml4(ServiceCore.readableFileSize(f.length())));
            sb.append("</td>");

            // last modified
            long yourmilliseconds = System.currentTimeMillis();
            SimpleDateFormat sdf = new SimpleDateFormat("MMM dd, yyyy HH:mm");
            Date resultdate = new Date(f.lastModified());
            sb.append("<td>");
            sb.append(StringEscapeUtils.escapeHtml4(sdf.format(resultdate)));
            sb.append("</td>");
            sb.append("</tr>");
        }
        sb.append("</table>");
        if (make_collapsed_table) {
            sb.append("</div>");
        }
    }

    log.log(Level.INFO, "Resulting HTML has length: {0}", new Object[] { sb.length() });
    return sb.toString();
}

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From source file:org.wso2.carbon.apimgt.core.impl.LogInKeyManagerImpl.java

/**
 * Create the oauth2 application with calling DCR endpoint of WSO2 IS
 *
 * @param oauthAppRequest - this object contains values of oAuth app properties.
 * @return OAuthApplicationInfo -this object contains oauth2 app details
 * @throws org.wso2.carbon.apimgt.core.exception.KeyManagementException throws KeyManagerException
 *///  www  . j  a  va2s . c  o m

@Override
public OAuthApplicationInfo createApplication(OAuthAppRequest oauthAppRequest) throws KeyManagementException {
    // OAuthApplications are created by calling to DCR endpoint of WSO2 IS
    OAuthApplicationInfo oAuthApplicationInfo = oauthAppRequest.getOAuthApplicationInfo();

    String applicationName = oAuthApplicationInfo.getClientName();
    String keyType = (String) oAuthApplicationInfo.getParameter(KeyManagerConstants.APP_KEY_TYPE);
    if (keyType != null) { //Derive oauth2 app name based on key type and user input for app name
        applicationName = applicationName + "_" + keyType;
    }

    APIUtils.logDebug("Trying to create OAuth application :", log);

    //Create json payload for DCR endpoint
    JsonObject json = new JsonObject();
    JsonArray callbackArray = new JsonArray();
    if (oAuthApplicationInfo.getCallbackUrl() != null) {
        callbackArray.add(oAuthApplicationInfo.getCallbackUrl());
    } else {
        callbackArray.add("");
    }
    json.add(KeyManagerConstants.OAUTH_REDIRECT_URIS, callbackArray);
    json.addProperty(KeyManagerConstants.OAUTH_CLIENT_NAME, applicationName);
    json.addProperty(KeyManagerConstants.OAUTH_CLIENT_OWNER, oAuthApplicationInfo.getAppOwner());
    JsonArray grantArray = new JsonArray();
    if (oAuthApplicationInfo.getGrantTypes() != null) {
        for (String grantType : oAuthApplicationInfo.getGrantTypes()) {
            grantArray.add(grantType);
        }
        json.add(KeyManagerConstants.OAUTH_CLIENT_GRANTS, grantArray);
    } else { // Temp if condition because generate keys in store application does not send any of the grant types
        grantArray.add(GRANT_TYPE_VALUE);
        json.add(KeyManagerConstants.OAUTH_CLIENT_GRANTS, grantArray);
    }

    URL url;
    HttpURLConnection urlConn = null;
    try {
        createSSLConnection();
        // Calling DCR endpoint of IS
        String dcrEndpoint = getKeyManagerEndPoint("/identity/connect/register");
        /*System.getProperty("dcrEndpoint",
        "https://localhost:9443/identity/connect/register");*/
        url = new URL(dcrEndpoint);
        urlConn = (HttpURLConnection) url.openConnection();
        urlConn.setDoOutput(true);
        urlConn.setRequestMethod("POST");
        urlConn.setRequestProperty("content-type", "application/json");
        String clientEncoded = Base64.getEncoder().encodeToString((System.getProperty("systemUsername", "admin")
                + ":" + System.getProperty("systemUserPwd", "admin")).getBytes(StandardCharsets.UTF_8));
        urlConn.setRequestProperty("Authorization", "Basic " + clientEncoded); //temp fix
        urlConn.getOutputStream().write((json.toString()).getBytes("UTF-8"));
        int responseCode = urlConn.getResponseCode();
        if (responseCode == 201) { //If the DCR call is success
            String responseStr = new String(IOUtils.toByteArray(urlConn.getInputStream()), "UTF-8");
            JsonParser parser = new JsonParser();
            JsonObject jObj = parser.parse(responseStr).getAsJsonObject();
            String consumerKey = jObj.getAsJsonPrimitive(KeyManagerConstants.OAUTH_CLIENT_ID).getAsString();
            String consumerSecret = jObj.getAsJsonPrimitive(KeyManagerConstants.OAUTH_CLIENT_SECRET)
                    .getAsString();
            String clientName = jObj.getAsJsonPrimitive(KeyManagerConstants.OAUTH_CLIENT_NAME).getAsString();
            String grantTypes = "";
            if (jObj.has(KeyManagerConstants.OAUTH_CLIENT_GRANTS)) {
                grantTypes = jObj.getAsJsonArray(KeyManagerConstants.OAUTH_CLIENT_GRANTS).toString();
            }

            oAuthApplicationInfo.setClientName(clientName);
            oAuthApplicationInfo.setClientId(consumerKey);
            oAuthApplicationInfo.setClientSecret(consumerSecret);
            oAuthApplicationInfo.setGrantTypes(Arrays.asList(grantTypes.split(",")));

        } else { //If DCR call fails
            throw new KeyManagementException("OAuth app does not contains required data  : " + applicationName,
                    ExceptionCodes.OAUTH2_APP_CREATION_FAILED);
        }
    } catch (IOException e) {
        String errorMsg = "Can not create OAuth application  : " + applicationName;
        log.error(errorMsg, e);
        throw new KeyManagementException(errorMsg, e, ExceptionCodes.OAUTH2_APP_CREATION_FAILED);
    } catch (JsonSyntaxException e) {
        String errorMsg = "Error while processing the response returned from DCR endpoint.Can not create"
                + " OAuth application : " + applicationName;
        log.error(errorMsg, e, ExceptionCodes.OAUTH2_APP_CREATION_FAILED);
        throw new KeyManagementException(errorMsg, ExceptionCodes.OAUTH2_APP_CREATION_FAILED);
    } catch (NoSuchAlgorithmException | java.security.KeyManagementException e) {
        String errorMsg = "Error while connecting to the DCR endpoint.Can not create" + " OAuth application : "
                + applicationName;
        log.error(errorMsg, e, ExceptionCodes.OAUTH2_APP_CREATION_FAILED);
        throw new KeyManagementException(errorMsg, ExceptionCodes.OAUTH2_APP_CREATION_FAILED);
    } finally {
        if (urlConn != null) {
            urlConn.disconnect();
        }
    }
    return oAuthApplicationInfo;
}

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From source file:name.wramner.jmstools.analyzer.DataProvider.java

/**
 * Get a base64-encoded image for inclusion in an img tag with a chart with message flight times.
 *
 * @return chart as base64 string./*from w ww . java2  s.  c om*/
 */
public String getBase64EncodedFlightTimeMetricsImage() {
    TimeSeries timeSeries50p = new TimeSeries("Median");
    TimeSeries timeSeries95p = new TimeSeries("95 percentile");
    TimeSeries timeSeriesMax = new TimeSeries("Max");
    for (FlightTimeMetrics m : getFlightTimeMetrics()) {
        Minute minute = new Minute(m.getPeriod());
        timeSeries50p.add(minute, m.getMedian());
        timeSeries95p.add(minute, m.getPercentile95());
        timeSeriesMax.add(minute, m.getMax());
    }
    TimeSeriesCollection timeSeriesCollection = new TimeSeriesCollection(timeSeries50p);
    timeSeriesCollection.addSeries(timeSeries95p);
    timeSeriesCollection.addSeries(timeSeriesMax);
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    try {
        JFreeChart chart = ChartFactory.createTimeSeriesChart("Flight time", "Time", "ms",
                timeSeriesCollection);
        chart.getPlot().setBackgroundPaint(Color.WHITE);
        ChartUtilities.writeChartAsPNG(bos, chart, 1024, 500);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
    return "data:image/png;base64," + Base64.getEncoder().encodeToString(bos.toByteArray());
}

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