Example usage for javax.xml.bind DatatypeConverter printBase64Binary

Introduction

In this page you can find the example usage for javax.xml.bind DatatypeConverter printBase64Binary.

Prototype

public static String printBase64Binary(byte[] val) 

Source Link

Document

Converts an array of bytes into a string.

Usage

From source file:org.vpac.web.controller.DataController.java

@RequestMapping(value = "/MultiPreviewQuery", method = RequestMethod.POST)
public void multiPreviewQuery(@RequestParam(required = false) String query,
        @RequestParam(required = false) String threads, @RequestParam(required = false) Double minX,
        @RequestParam(required = false) Double minY, @RequestParam(required = false) Double maxX,
        @RequestParam(required = false) Double maxY, @RequestParam(required = false) String startDate,
        @RequestParam(required = false) String endDate, @RequestParam(required = false) String netcdfVersion,
        ModelMap model, HttpServletResponse response) throws Exception {

    // FIXME: this should only be done once!
    ProviderRegistry.getInstance().clearProivders();
    ProviderRegistry.getInstance().addProivder(rsaDatasetProvider);
    ProviderRegistry.getInstance().addProivder(previewDatasetProvider);

    final QueryDefinition qd = QueryDefinition.fromString(query);
    if (minX != null)
        qd.output.grid.bounds = String.format("%f %f %f %f", minX, minY, maxX, maxY);

    if (startDate != null) {
        qd.output.grid.timeMin = startDate;
        qd.output.grid.timeMax = endDate;
    }//from w  w  w. j  a v  a  2s  .  c o m

    Version version;
    if (netcdfVersion != null) {
        if (netcdfVersion.equals("nc3")) {
            version = Version.netcdf3;
        } else if (netcdfVersion.equals("nc4")) {
            version = Version.netcdf4;
        } else {
            throw new IllegalArgumentException(String.format("Unrecognised NetCDF version %s", netcdfVersion));
        }
    } else {
        version = Version.netcdf4;
    }
    final Version ver = version;

    final QueryProgress qp = new QueryProgress(jobProgressDao);
    String taskId = qp.getTaskId();
    final Integer t = threads == null ? null : Integer.parseInt(threads);
    Path outputDir = FileUtils.getTargetLocation(taskId);
    final Path queryPath = outputDir.resolve("query_output.nc");
    if (!Files.exists(outputDir))
        Files.createDirectories(outputDir);

    try {
        executeQuery(qd, qp, t, queryPath, ver);

        if (!Files.exists(queryPath)) {
            throw new ResourceNotFoundException("Query output file not found: " + queryPath);
        }

        Path ncPreviewPath = queryPath.getParent().resolve("multipreview.nc");

        // generate multiple 2D preview out of query output
        boolean hasNoData = FilterUtils.multiPreview(queryPath, ncPreviewPath);

        Path pngPreviewPath = queryPath.getParent().resolve("multipreview.png");
        Path tifPreviewPath = queryPath.getParent().resolve("multipreview.tif");

        CommandUtil commandUtil = new CommandUtil();

        // Warp to tiff first - this sets an alpha flag.
        List<String> command = new ArrayList<String>();
        command.add("gdalwarp");
        command.add("-of");
        command.add("GTiff");
        if (hasNoData) {
            command.add("-srcnodata");
            command.add("-999");
            command.add("-dstnodata");
            command.add("-999");
            command.add("-dstalpha");
        }
        command.add(ncPreviewPath.toString());
        command.add(tifPreviewPath.toString());
        commandUtil.start(command);

        // Now translate to png.
        command = new ArrayList<String>();
        command.add("gdal_translate");
        command.add("-of");
        command.add("PNG");
        command.add("-scale");
        command.add("-ot");
        command.add("Byte");
        command.add(tifPreviewPath.toString());
        command.add(pngPreviewPath.toString());
        commandUtil.start(command);

        try {
            // get your file as InputStream
            InputStream is = new FileInputStream(pngPreviewPath.toString());
            String result = DatatypeConverter.printBase64Binary(IOUtils.toByteArray(is));
            response.setContentType("application/json");
            response.setContentLength(result.getBytes().length);
            response.getOutputStream().write(result.getBytes());
            response.flushBuffer();
        } catch (IOException ex) {
            throw new RuntimeException("IOError writing file to output stream");
        }
    } catch (Exception e) {
        qp.setErrorMessage(e.getMessage());
        log.error("Task exited abnormally: ", e);
        throw e;
    }
}

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From source file:org.wso2.bps.integration.common.clients.bpmn.WorkflowServiceClient.java

public String getProcessDiagram(String processId) throws Exception {

    String dataUri = null;//from  w w  w .j a v  a2 s  . c  o  m
    ByteArrayOutputStream baos = null;
    try {
        String imageString = deploymentServiceStub.getProcessDiagram(processId);
        BufferedImage bufferedImage = decodeToImage(imageString);
        baos = new ByteArrayOutputStream();
        ImageIO.write(bufferedImage, "png", baos);
    } catch (Exception e) {
        throw new IOException("Failed to get the process diagram", e);
    } finally {
        try {
            if (baos != null) {
                baos.flush();
                dataUri = "data:image/png;base64," + DatatypeConverter.printBase64Binary(baos.toByteArray());
                baos.close();

            }
        } catch (IOException e) {
            log.error("Exception occurred when closing the stream", e);
        }
    }
    return dataUri;
}

---

From source file:org.wso2.carbon.bpmn.ui.WorkflowServiceClient.java

public String getProcessDiagram(String processId) {
    ByteArrayOutputStream baos = null;
    String dataUri = null;/*from w  ww  . j a v a  2 s  .  co m*/
    try {
        String imageString = deploymentServiceStub.getProcessDiagram(processId);
        BufferedImage bufferedImage = decodeToImage(imageString);
        baos = new ByteArrayOutputStream();
        ImageIO.write(bufferedImage, "png", baos);
        baos.flush();
        dataUri = "data:image/png;base64," + DatatypeConverter.printBase64Binary(baos.toByteArray());
    } catch (IOException e) {
        log.error("IO error while writing image " + e);
    } catch (Exception e) {
        //TODO Fix skeleton and rename above exception to correct type
        log.error(" Error while obtaining the process diagram " + e);
    } finally {
        if (baos != null) {
            try {
                baos.close();
            } catch (IOException e) {
                log.error("Error occurred while closing io stream " + e);
            }
        }
    }
    return dataUri;
}

---

From source file:org.wso2.carbon.bpmn.ui.WorkflowServiceClient.java

public String getProcessInstanceDiagram(String instanceId) throws Exception {
    ByteArrayOutputStream baos = null;
    String dataUri;//from   ww w.j  a  v a2 s.co  m
    try {
        String imageString = instanceServiceStub.getProcessInstanceDiagram(instanceId);
        BufferedImage bufferedImage = decodeToImage(imageString);
        baos = new ByteArrayOutputStream();
        ImageIO.write(bufferedImage, "png", baos);
        baos.flush();
        dataUri = "data:image/png;base64," + DatatypeConverter.printBase64Binary(baos.toByteArray());
    } finally {
        if (baos != null) {
            try {
                baos.close();
            } catch (IOException e) {
                log.error("IO error occurred while closing the stream " + e);
            }
        }
    }
    return dataUri;
}

---

From source file:org.wso2.carbon.bps.analytics.core.utils.Helper.java

/**
 * Get authorization header/*from   w  ww .jav a  2s  . c  o  m*/
 *
 * @return encoded auth header
 * @throws IOException
 * @throws XMLStreamException
 */
public static String getAuthorizationHeader() throws IOException, XMLStreamException {
    String requestHeader = "Basic ";
    String userName = null;
    String password = null;
    Iterator properties = getPropertyIterator();

    while (properties.hasNext()) {
        if (userName != null && password != null) {
            break;
        }
        OMElement property = (OMElement) properties.next();
        if (AnalyticConstants.CONFIG_USER_NAME
                .equals(property.getAttributeValue(new QName(null, AnalyticConstants.NAME)))) {
            String name = property.getAttributeValue(new QName(null, AnalyticConstants.VALUE));
            if (name != null && !name.isEmpty()) {
                userName = name;
            }
        }
        if (AnalyticConstants.CONFIG_PASSWORD
                .equals(property.getAttributeValue(new QName(null, AnalyticConstants.NAME)))) {
            String pwd = property.getAttributeValue(new QName(null, AnalyticConstants.VALUE));
            if (pwd != null && !pwd.isEmpty()) {
                password = pwd;
            }
        }
    }

    if (userName != null && password != null) {
        String headerPortion = userName + ":" + password;
        byte[] encodedBytes = headerPortion.getBytes("UTF-8");
        String encodedString = DatatypeConverter.printBase64Binary(encodedBytes);
        requestHeader += encodedString;
        return requestHeader;
    }
    return null;
}

---

From source file:org.wso2.carbon.das.messageflow.data.publisher.publish.StatisticsPublisher.java

/**
 * Compress the payload/*from   ww w  . j  ava 2  s . c o m*/
 *
 * @param str
 * @return
 */
private static String compress(byte[] str) {
    if (str == null || str.length == 0) {
        return null;
    }

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        GZIPOutputStream gzip = new GZIPOutputStream(out);
        gzip.write(str);
        gzip.close();
        return DatatypeConverter.printBase64Binary(out.toByteArray());
    } catch (IOException e) {
        log.error("Unable to compress data", e);
    }

    return null;
}

---

From source file:org.wso2.carbon.la.alert.impl.ScheduleAlertTask.java

/**
 * This method build a URL string according to the current search.
 *
 * @return String URL//from   w ww.  j  a v a  2s.  c om
 */
private String getBuildURL() {
    String base64EncodeQuery = DatatypeConverter
            .printBase64Binary(taskProperties.get(LAAlertConstants.QUERY).getBytes());
    String base64EncodeTimeFrom = DatatypeConverter
            .printBase64Binary(taskProperties.get(LAAlertConstants.TIME_FROM).getBytes());
    String base64EncodeTimeTo = DatatypeConverter
            .printBase64Binary(taskProperties.get(LAAlertConstants.TIME_TO).getBytes());
    return "https://10.100.4.179:9443/loganalyzer/site/search/search.jag?" + "query=" + base64EncodeQuery + "&"
            + "timeFrom=" + base64EncodeTimeFrom + "&" + "timeTo=" + base64EncodeTimeTo;
}

---

From source file:org.wso2.carbon.pc.analytics.core.generic.utils.AnalyticsUtils.java

/**
 * Get authorization header//from w ww  .  j a va2s .c  o  m
 *
 * @return encoded auth header
 */
public static String getAuthorizationHeader() {
    String userName = getInstance().getProcessCenter().getProcessCenterConfiguration()
            .getAnalyticsServerUsername();
    String password = getInstance().getProcessCenter().getProcessCenterConfiguration()
            .getAnalyticsServerPassword();
    if (userName != null && password != null) {
        return AnalyticsConstants.AUTH_BASIC_HEADER + " " + DatatypeConverter
                .printBase64Binary((userName + ":" + password).getBytes(StandardCharsets.UTF_8));
    }
    return null;
}

---

From source file:org.wso2.carbon.pc.analytics.core.kpi.utils.DASConfigurationUtils.java

/**
 * Get authorization header for access bps admin service
 *
 * @return AuthorizationHeader/*from  w w  w .  j  ava 2  s. c  om*/
 */
public static String getAuthorizationHeader() {
    String userName = getInstance().getProcessCenter().getProcessCenterConfiguration()
            .getRuntimeEnvironmentUsername();
    String password = getInstance().getProcessCenter().getProcessCenterConfiguration()
            .getRuntimeEnvironmentPassword();
    if (userName != null && password != null) {
        return AnalyticsConfigConstants.REQUEST_HEADER_BASIC + " " + DatatypeConverter
                .printBase64Binary((userName + ":" + password).getBytes(StandardCharsets.UTF_8));
    }
    return null;
}

---

From source file:org.wso2.carbon.pc.analytics.core.utils.AnalyticsUtils.java

/**
 * Get authorization header//from w  w w. j  a  v a2s  .  c  o m
 *
 * @return encoded auth header
 * @throws IOException
 * @throws XMLStreamException
 */
public static String getAuthorizationHeader() throws IOException, XMLStreamException {
    String requestHeader = "Basic ";
    OMElement configElement = getConfigElement();
    SecretResolver secretResolver = SecretResolverFactory.create(configElement, false);
    OMElement analyticsElement = configElement.getFirstChildWithName(new QName(AnalyticsConstants.ANALYTICS));

    String userName = null;
    String password = null;
    if (analyticsElement != null) {
        userName = analyticsElement.getFirstChildWithName(new QName(AnalyticsConstants.CONFIG_USER_NAME))
                .getText();
        if (secretResolver != null && secretResolver.isInitialized()) {
            if (secretResolver.isTokenProtected(AnalyticsConstants.SECRET_ALIAS)) {
                password = secretResolver.resolve(AnalyticsConstants.SECRET_ALIAS);
            } else {
                password = analyticsElement.getFirstChildWithName(new QName(AnalyticsConstants.CONFIG_PASSWORD))
                        .getText();
            }
        } else {
            password = analyticsElement.getFirstChildWithName(new QName(AnalyticsConstants.CONFIG_PASSWORD))
                    .getText();
        }
    }
    if (userName != null && password != null) {
        String headerPortion = userName + ":" + password;
        byte[] encodedBytes = headerPortion.getBytes("UTF-8");
        String encodedString = DatatypeConverter.printBase64Binary(encodedBytes);
        requestHeader += encodedString;
        return requestHeader;
    }
    return null;
}

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