Examples with GZIPOutputStream java.util.zip.GZIPOutputStream used on opensource projects

Example 96 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project bnd by bndtools.

the class Httpbin method _gzip.

public void _gzip(Request req, Response rsp) throws IOException {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    GZIPOutputStream gzout = new GZIPOutputStream(bout);
    getResource(rsp, "utf8.html", "text/html;charset=utf8");
    gzout.write(rsp.content);
    gzout.close();
    rsp.content = bout.toByteArray();
    rsp.length = rsp.content.length;
    rsp.headers.put("Content-Encoding", "gzip");
}

Example 97 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project geode by apache.

the class OSProcess method zipStacks.

/** dumps this vm's stacks and returns gzipped result */
public static byte[] zipStacks() throws IOException {
    ThreadMXBean bean = ManagementFactory.getThreadMXBean();
    long[] threadIds = bean.getAllThreadIds();
    ThreadInfo[] infos = bean.getThreadInfo(threadIds, true, true);
    long thisThread = Thread.currentThread().getId();
    ByteArrayOutputStream baos = new ByteArrayOutputStream(10000);
    GZIPOutputStream zipOut = new GZIPOutputStream(baos, 10000);
    PrintWriter pw = new PrintWriter(zipOut, true);
    for (int i = 0; i < infos.length; i++) {
        if (i != thisThread && infos[i] != null) {
            formatThreadInfo(infos[i], pw);
        }
    }
    pw.flush();
    zipOut.close();
    byte[] result = baos.toByteArray();
    return result;
}

Example 98 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project dhis2-core by dhis2.

the class EventController method getCsvEvents.

@RequestMapping(value = "", method = RequestMethod.GET, produces = { "application/csv", "application/csv+gzip", "text/csv" })
@PreAuthorize("hasRole('ALL') or hasRole('F_TRACKED_ENTITY_DATAVALUE_ADD') or hasRole('F_TRACKED_ENTITY_DATAVALUE_READ')")
public void getCsvEvents(@RequestParam(required = false) String program, @RequestParam(required = false) String programStage, @RequestParam(required = false) ProgramStatus programStatus, @RequestParam(required = false) Boolean followUp, @RequestParam(required = false) String trackedEntityInstance, @RequestParam(required = false) String orgUnit, @RequestParam(required = false) OrganisationUnitSelectionMode ouMode, @RequestParam(required = false) Date startDate, @RequestParam(required = false) Date endDate, @RequestParam(required = false) Date dueDateStart, @RequestParam(required = false) Date dueDateEnd, @RequestParam(required = false) Date lastUpdated, @RequestParam(required = false) Date lastUpdatedStartDate, @RequestParam(required = false) Date lastUpdatedEndDate, @RequestParam(required = false) EventStatus status, @RequestParam(required = false) String attributeCc, @RequestParam(required = false) String attributeCos, @RequestParam(required = false) Integer page, @RequestParam(required = false) Integer pageSize, @RequestParam(required = false) boolean totalPages, @RequestParam(required = false) boolean skipPaging, @RequestParam(required = false) String order, @RequestParam(required = false) String attachment, @RequestParam(required = false, defaultValue = "false") boolean includeDeleted, @RequestParam(required = false, defaultValue = "false") boolean skipHeader, IdSchemes idSchemes, HttpServletResponse response, HttpServletRequest request) throws IOException, WebMessageException {
    boolean allowNoAttrOptionCombo = trackedEntityInstance != null && entityInstanceService.getTrackedEntityInstance(trackedEntityInstance) != null;
    DataElementCategoryOptionCombo attributeOptionCombo = inputUtils.getAttributeOptionCombo(attributeCc, attributeCos, allowNoAttrOptionCombo);
    if (attributeOptionCombo == null && !allowNoAttrOptionCombo) {
        throw new WebMessageException(WebMessageUtils.conflict("Illegal attribute option combo identifier: " + attributeCc + " " + attributeCos));
    }
    lastUpdatedStartDate = lastUpdatedStartDate != null ? lastUpdatedStartDate : lastUpdated;
    EventSearchParams params = eventService.getFromUrl(program, programStage, programStatus, followUp, orgUnit, ouMode, trackedEntityInstance, startDate, endDate, dueDateStart, dueDateEnd, lastUpdatedStartDate, lastUpdatedEndDate, status, attributeOptionCombo, idSchemes, page, pageSize, totalPages, skipPaging, getOrderParams(order), null, false, null, null, null, includeDeleted);
    Events events = eventService.getEvents(params);
    OutputStream outputStream = response.getOutputStream();
    response.setContentType("application/csv");
    if (ContextUtils.isAcceptCsvGzip(request)) {
        response.addHeader(ContextUtils.HEADER_CONTENT_TRANSFER_ENCODING, "binary");
        outputStream = new GZIPOutputStream(outputStream);
        response.setContentType("application/csv+gzip");
    }
    if (!StringUtils.isEmpty(attachment)) {
        response.addHeader("Content-Disposition", "attachment; filename=" + attachment);
    }
    csvEventService.writeEvents(outputStream, events, !skipHeader);
}

Example 99 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project BKCommonLib by bergerhealer.

the class MCSDWebbingCodec method calculateCompressedSize.

public int calculateCompressedSize() {
    ByteArrayOutputStream bs = new ByteArrayOutputStream();
    try {
        BitOutputStream s = new BitOutputStream(CommonUtil.setCompressionLevel(new GZIPOutputStream(bs), Deflater.BEST_COMPRESSION));
        for (int i = 0; i < this.packets_count; i++) {
            s.writePacket(this.packets[i]);
        }
        s.close();
        return bs.size();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    return 0;
}

Example 100 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project BKCommonLib by bergerhealer.

the class MCSDFlat method writeTo.

public void writeTo(OutputStream stream) throws IOException {
    Logging.LOGGER_MAPDISPLAY.info("Compressing flat map color space data...");
    GZIPOutputStream zip = new GZIPOutputStream(stream);
    try {
        for (int i = 0; i < 256; i++) {
            Color color = this.getColor((byte) i);
            zip.write(color.getRed());
            zip.write(color.getGreen());
            zip.write(color.getBlue());
            zip.write(color.getAlpha());
        }
        for (int index = 0; index < (1 << 24); index++) {
            zip.write(this.get(index) & 0xFF);
        }
        Logging.LOGGER_MAPDISPLAY.info("Finished compressing map color space data");
    } finally {
        zip.close();
    }
}