Example usage for javax.servlet.http HttpServletResponse setContentLengthLong

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse setContentLengthLong.

Prototype

public void setContentLengthLong(long len);

Source Link

Document

Sets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.

Usage

From source file:org.duracloud.duradmin.util.SpaceUtil.java

public static void streamToResponse(InputStream is, HttpServletResponse response, String mimetype,
        String contentLength) throws ContentStoreException, IOException {

    OutputStream outStream = response.getOutputStream();

    try {//w ww  .  java 2 s . c  om
        response.setContentType(mimetype);

        if (contentLength != null) {
            response.setContentLengthLong(Long.parseLong(contentLength));
        }
        byte[] buf = new byte[1024];
        int read = -1;
        while ((read = is.read(buf)) > 0) {
            outStream.write(buf, 0, read);
        }

        response.flushBuffer();
    } catch (Exception ex) {
        if (ex.getCause() instanceof ContentStateException) {
            response.reset();
            response.setStatus(HttpStatus.SC_CONFLICT);
            String message = "The requested content item is currently in long-term storage"
                    + " with limited retrieval capability. Please contact "
                    + "DuraCloud support (https://wiki.duraspace.org/x/6gPNAQ) "
                    + "for assistance in retrieving this content item.";
            //It is necessary to pad the message in order to force Internet Explorer to
            //display the server sent text rather than display the browser default error message.
            //If the message is less than 512 bytes, the browser will ignore the message.
            //c.f. http://support.microsoft.com/kb/294807
            message += StringUtils.repeat(" ", 512);
            outStream.write(message.getBytes());
        } else {
            throw ex;
        }
    } finally {
        try {
            outStream.close();
        } catch (Exception e) {
            log.warn("failed to close outputstream ( " + outStream + "): message=" + e.getMessage(), e);
        }
    }
}

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From source file:com.formkiq.web.config.TestDataController.java

/**
 * Provider Sample generic XML data with text/xml content type.
 * @param request {@link HttpServletRequest}
 * @param response {@link HttpServletResponse}
 * @throws IOException IOException//w w w  .ja v  a2  s . c  om
 */
@RequestMapping(value = "/testdata/sample-generic1.xml", method = RequestMethod.GET)
public void sampleGeneric1(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException {

    byte[] data = Resources.getResourceAsBytes("/testdata/sample-generic.xml");

    response.setContentType("text/xml");
    response.setContentLengthLong(data.length);
    IOUtils.write(data, response.getOutputStream());
}

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From source file:com.formkiq.web.config.TestDataController.java

/**
 * Provider Sample generic XML data with text/xml content type.
 * @param request {@link HttpServletRequest}
 * @param response {@link HttpServletResponse}
 * @throws IOException IOException/*w  ww.  j av a  2s.c  o  m*/
 */
@RequestMapping(value = "/testdata/sample-generic2.xml", method = RequestMethod.GET)
public void sampleGeneric2(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException {

    byte[] data = Resources.getResourceAsBytes("/testdata/sample-generic.xml");

    response.setContentType("application/xml");
    response.setContentLengthLong(data.length);
    IOUtils.write(data, response.getOutputStream());
}

---

From source file:com.formkiq.web.config.TestDataController.java

/**
 * Provider Sample generic XML data with text/xml content type.
 * @param request {@link HttpServletRequest}
 * @param response {@link HttpServletResponse}
 * @throws IOException IOException// w  ww.j ava 2s . c o  m
 */
@RequestMapping(value = "/testdata/sample-generic1.json", method = RequestMethod.GET)
public void sampleGeneric3(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException {

    byte[] data = Resources.getResourceAsBytes("/testdata/sample-generic.json");

    response.setContentType("application/json");
    response.setContentLengthLong(data.length);
    IOUtils.write(data, response.getOutputStream());
}

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From source file:org.eclipse.vorto.repository.web.AdminController.java

@RequestMapping(value = "/content", method = RequestMethod.GET)
@Secured("ROLE_ADMIN")
public void backupRepository(final HttpServletResponse response) throws Exception {
    byte[] backup = this.repositoryManager.backup();
    response.setHeader(CONTENT_DISPOSITION,
            ATTACHMENT_FILENAME + "vortobackup_" + SIMPLEDATEFORMAT.format(new Date()) + ".xml");
    response.setContentLengthLong(backup.length);
    response.setContentType(APPLICATION_OCTET_STREAM);
    try {//from w ww .ja v  a 2 s  .  co m
        IOUtils.copy(new ByteArrayInputStream(backup), response.getOutputStream());
        response.flushBuffer();
    } catch (IOException e) {
        throw new RuntimeException("Error copying file.", e);
    }
}

---

From source file:data.repository.pragma.PermanentRepoController.java

@RequestMapping(value = "/repo/find/data", method = RequestMethod.GET)
@ResponseBody/*w ww.ja va2s.c o m*/
public void DOfindData(@RequestParam(value = "ID", required = true) String ID, HttpServletResponse response) {
    // Connect to MongoDB and return DO data files as response
    // return
    try {
        GridFSDBFile doc = permanent_repository.findDOByID(ID);
        response.setContentType(doc.getContentType());
        response.setContentLengthLong(doc.getLength());
        response.setHeader("Content-Disposition", "attachment; filename=\"" + doc.getFilename() + "\"");
        OutputStream out = response.getOutputStream();
        doc.writeTo(out);

    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

---

From source file:data.repository.pragma.DataObjectController.java

@RequestMapping(value = "/DO/find/data", method = RequestMethod.GET)
@ResponseBody//from   w  w w  .  ja  v  a2s . c  o  m
public void DOfindData(@RequestParam(value = "ID", required = true) String ID, HttpServletResponse response) {
    // Connect to MongoDB and return DO data files as response
    // return
    try {
        GridFSDBFile doc = Staging_repository.findDOByID(ID);
        response.setContentType(doc.getContentType());
        response.setContentLengthLong(doc.getLength());
        response.setHeader("Content-Disposition", "attachment; filename=\"" + doc.getFilename() + "\"");
        OutputStream out = response.getOutputStream();
        doc.writeTo(out);

    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

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From source file:com.github.zhanhb.ckfinder.download.PathPartial.java

private void setContentLengthLong(HttpServletResponse response, long length) {
    if (HAS_METHOD_CONTENT_LENGTH_LONG) {
        response.setContentLengthLong(length);
    } else if (length <= Integer.MAX_VALUE) {
        response.setContentLength((int) length);
    } else {/*from  ww w  .  j ava  2s .  c  om*/
        response.setHeader(HttpHeaders.CONTENT_LENGTH, Long.toString(length));
    }
}

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From source file:com.formkiq.core.controller.admin.AdminController.java

/**
 * Download Form./*from w  w  w  .ja  v a  2s.c  o m*/
 * @param request {@link HttpServletRequest}
 * @param response {@link HttpServletResponse}
 * @param folder {@link String}
 * @param uuid {@link String}
 * @throws IOException IOException
 */
@Transactional
@RequestMapping("/download")
public void download(final HttpServletRequest request, final HttpServletResponse response,
        @RequestParam(value = "folder", required = true) final String folder,
        @RequestParam(value = "uuid", required = true) final String uuid) throws IOException {

    byte[] data = this.folderservice.findFormData(folder, uuid).getLeft();

    response.setContentType("application/zip");
    response.setHeader("Content-disposition", "attachment; filename=" + uuid + ".zip");
    response.setContentLengthLong(data.length);
    IOUtils.write(data, response.getOutputStream());
}

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