Example usage for org.springframework.util StreamUtils copy

Introduction

In this page you can find the example usage for org.springframework.util StreamUtils copy.

Prototype

public static int copy(InputStream in, OutputStream out) throws IOException 

Source Link

Document

Copy the contents of the given InputStream to the given OutputStream.

Usage

From source file:io.spring.batch.DownloadingStepExecutionListener.java

@Override
public void beforeStep(StepExecution stepExecution) {
    String fileName = (String) stepExecution.getExecutionContext().get("fileName");

    Resource resource = this.resourceLoader.getResource(fileName);

    try {/* w  w w  .jav  a2 s.com*/
        File file = File.createTempFile("input", ".csv");

        StreamUtils.copy(resource.getInputStream(), new FileOutputStream(file));

        stepExecution.getExecutionContext().put("localFile", file.getAbsolutePath());
        System.out.println(">> downloaded file : " + file.getAbsolutePath());
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:de.codecentric.boot.admin.web.servlet.resource.ConcatenatingResourceResolver.java

private byte[] getContent(List<? extends Resource> resources) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream(2048);
    Iterator<? extends Resource> iter = resources.iterator();
    while (iter.hasNext()) {
        StreamUtils.copy(iter.next().getInputStream(), os);
        if (iter.hasNext()) {
            os.write(delimiter);/*from w ww.j av  a  2  s. c o m*/
        }
    }
    return os.toByteArray();
}

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From source file:com.kixeye.chassis.transport.swagger.SwaggerServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    // figure out the real path
    String pathInfo = StringUtils.trimToEmpty(req.getPathInfo());

    while (pathInfo.endsWith("/")) {
        pathInfo = StringUtils.removeEnd(pathInfo, "/");
    }//from   ww w .  j  av  a 2s .  c o m

    while (pathInfo.startsWith("/")) {
        pathInfo = StringUtils.removeStart(pathInfo, "/");
    }

    if (StringUtils.isBlank(pathInfo)) {
        resp.sendRedirect(rootContextPath + "/" + WELCOME_PAGE);
    } else {
        // get the resource
        AbstractFileResolvingResource resource = (AbstractFileResolvingResource) resourceLoader
                .getResource(SWAGGER_DIRECTORY + "/" + pathInfo);

        // send it to the response
        if (resource.exists()) {
            StreamUtils.copy(resource.getInputStream(), resp.getOutputStream());
            resp.setStatus(HttpServletResponse.SC_OK);
            resp.flushBuffer();
        } else {
            resp.sendError(HttpServletResponse.SC_NOT_FOUND);
        }
    }
}

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From source file:com.qubit.solution.fenixedu.bennu.webservices.ui.management.keystores.UploadKeyStoreController.java

@RequestMapping(value = "/upload/{oid}", method = RequestMethod.POST)
public String uploadkeystoreToUpload(@PathVariable("oid") DomainKeyStore domainKeyStore,
        @RequestParam(value = "keyStoreFile", required = false) MultipartFile keyStoreFile, Model model) {

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    try {// w ww .  jav  a  2 s  .c  o  m
        StreamUtils.copy(keyStoreFile.getInputStream(), byteArrayOutputStream);
    } catch (IOException e) {
        e.printStackTrace();
    }
    byte[] content = byteArrayOutputStream.toByteArray();
    changeKeystore(domainKeyStore, content);

    return "redirect:/webservices/management/keystores/domainkeystore/read/" + domainKeyStore.getExternalId();
}

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From source file:com.qubit.solution.fenixedu.bennu.webservices.ui.management.keystores.UploadCertificateController.java

@RequestMapping(value = "/upload/{oid}", method = RequestMethod.POST)
public String uploadcertificateToCancel(@PathVariable("oid") DomainKeyStore domainKeyStore,
        @RequestParam(value = "certificateAlias", required = false) String alias,
        @RequestParam(value = "certificateFile", required = false) MultipartFile certificateFile, Model model) {

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    try {//from   w w w  .j  av  a 2 s . co m
        StreamUtils.copy(certificateFile.getInputStream(), byteArrayOutputStream);
    } catch (IOException e) {
        e.printStackTrace();
    }
    byte[] content = byteArrayOutputStream.toByteArray();
    addCertificateToKeyStore(domainKeyStore, alias, content);

    return "redirect:/webservices/management/keystores/domainkeystore/read/" + domainKeyStore.getExternalId();
}

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From source file:com.qubit.solution.fenixedu.bennu.webservices.ui.management.keystores.UploadKeyController.java

@RequestMapping(value = "/upload/{oid}", method = RequestMethod.POST)
public String uploadkeyToUpload(@PathVariable("oid") DomainKeyStore domainKeyStore,
        @RequestParam(value = "keyAlias", required = false) String alias,
        @RequestParam(value = "keyPassword", required = false) String keyPassword,
        @RequestParam(value = "keyFile", required = false) MultipartFile keyFile, Model model) {

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    try {/*from   w w w  . j a  v a  2  s  .c  o  m*/
        StreamUtils.copy(keyFile.getInputStream(), byteArrayOutputStream);
    } catch (IOException e) {
        e.printStackTrace();
    }
    byte[] content = byteArrayOutputStream.toByteArray();
    addKeyToKeyStore(domainKeyStore, alias, keyPassword, content);

    return "redirect:/webservices/management/keystores/domainkeystore/read/" + domainKeyStore.getExternalId();
}

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From source file:alfio.manager.FileUploadManager.java

public void outputFile(String id, OutputStream out) {
    byte[] res = cache.get(id, identifier -> {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        SqlParameterSource param = new MapSqlParameterSource("id", id);
        jdbc.query(repository.fileContent(id), param, rs -> {
            try (InputStream is = rs.getBinaryStream("content")) {
                StreamUtils.copy(is, baos);
            } catch (IOException e) {
                throw new IllegalStateException("Error while copying data", e);
            }//  ww w.  ja  v a  2 s.c om
        });
        return baos.toByteArray();
    });
    try {
        StreamUtils.copy(res, out);
    } catch (IOException e) {
        throw new IllegalStateException("Error while copying data", e);
    }
}

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From source file:de.whs.poodle.repositories.FileRepository.java

public void writeFileToHttpResponse(int fileId, HttpServletResponse response) {
    jdbc.query("SELECT filename,mimetype,data FROM uploaded_file WHERE id = ?", new Object[] { fileId },

            // use ResultSetExtractor, so we can check whether the row even exists (NotFoundException)
            new ResultSetExtractor<Void>() {

                @Override/*from   w w w. j  ava 2s .  c  o m*/
                public Void extractData(ResultSet rs) throws SQLException {
                    if (!rs.next())
                        throw new NotFoundException();

                    String filename = rs.getString("filename");
                    String mimeType = rs.getString("mimetype");

                    response.setHeader("Content-Disposition", "filename=\"" + filename + "\"");
                    response.setContentType(mimeType);

                    try (InputStream in = rs.getBinaryStream("data");
                            OutputStream out = response.getOutputStream();) {
                        StreamUtils.copy(in, out);
                        response.flushBuffer();
                    } catch (IOException e) {
                        throw new RuntimeException(e);
                    }

                    return null;
                }
            });
}

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From source file:io.lavagna.web.api.ExportImportController.java

@RequestMapping(value = "/api/import/lavagna", method = RequestMethod.POST)
@ResponseBody//from w w  w.j  a  v a2  s.co  m
public void importFromLavagna(
        @RequestParam(value = "overrideConfiguration", defaultValue = "false") Boolean overrideConfiguration,
        @RequestParam("file") MultipartFile file) throws IOException {

    Path tempFile = Files.createTempFile(null, null);

    try {
        try (InputStream is = file.getInputStream(); OutputStream os = Files.newOutputStream(tempFile)) {
            StreamUtils.copy(is, os);
        }

        exportImportService.importData(overrideConfiguration, tempFile);
    } finally {
        Files.delete(tempFile);
    }

}

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From source file:io.lavagna.web.api.SetupController.java

@RequestMapping(value = "/setup/api/import", method = RequestMethod.POST)
public void importLavagna(@RequestParam("file") MultipartFile file, HttpServletRequest req,
        HttpServletResponse res) throws IOException {

    // TODO: move to a helper, as it has the same code as the one in the ExportImportController
    Path tempFile = Files.createTempFile(null, null);
    try {//from   w ww .  ja  v a  2s.c  om
        try (InputStream is = file.getInputStream(); OutputStream os = Files.newOutputStream(tempFile)) {
            StreamUtils.copy(is, os);
        }
        exportImportService2.importData(true, tempFile);
    } finally {
        Files.delete(tempFile);
    }
    //

    res.sendRedirect(req.getServletContext().getContextPath());
}

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