Example usage for java.io BufferedInputStream read

Introduction

In this page you can find the example usage for java.io BufferedInputStream read.

Prototype

public synchronized int read() throws IOException 

Source Link

Document

See the general contract of the read method of InputStream.

Usage

From source file:org.caboclo.clients.ApiClient.java

protected void downloadURL(String url, ByteArrayOutputStream bos, Map<String, String> headers)
        throws IllegalStateException, IOException {
    HttpClient httpclient = new DefaultHttpClient();
    HttpGet httpget = new HttpGet(url);

    for (String key : headers.keySet()) {
        String value = headers.get(key);

        httpget.setHeader(key, value);//from  ww w  .  jav a  2s  . c  o m
    }

    HttpResponse response = httpclient.execute(httpget);

    HttpEntity entity = response.getEntity();
    if (entity != null) {
        try {
            InputStream instream = entity.getContent();
            BufferedInputStream bis = new BufferedInputStream(instream);

            int inByte;
            while ((inByte = bis.read()) != -1) {
                bos.write(inByte);
            }
            bis.close();
            bos.close();
        } catch (IOException ex) {
            ex.printStackTrace();
            throw ex;
        } catch (IllegalStateException ex) {
            ex.printStackTrace();
            httpget.abort();
            throw ex;
        }
        httpclient.getConnectionManager().shutdown();
    }
}

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From source file:it.eng.spagobi.kpi.service.KpiXmlExporterAction.java

/**
 * This action is called by the user who wants to export the result of a Kpi in XML
 * /*  w  w w.j a  v  a2 s . com*/
 */

public void service(SourceBean serviceRequest, SourceBean serviceResponse) throws Exception {

    File tmpFile = null;
    logger.debug("IN");
    HttpServletRequest httpRequest = getHttpRequest();
    HttpSession session = httpRequest.getSession();

    this.freezeHttpResponse();

    try {
        // get KPI result
        List<KpiResourceBlock> listKpiBlocks = (List<KpiResourceBlock>) session.getAttribute("KPI_BLOCK");
        String title = (String) session.getAttribute("TITLE");
        String subtitle = (String) session.getAttribute("SUBTITLE");
        if (title == null)
            title = "";
        if (subtitle == null)
            subtitle = "";

        // recover BiObject Name
        Object idObject = serviceRequest.getAttribute(SpagoBIConstants.OBJECT_ID);
        if (idObject == null) {
            logger.error("Document id not found");
            return;
        }

        Integer id = Integer.valueOf(idObject.toString());
        BIObject document = DAOFactory.getBIObjectDAO().loadBIObjectById(id);
        String docName = document.getName();

        //Recover user Id
        HashedMap parameters = new HashedMap();
        String userId = null;
        Object userIdO = serviceRequest.getAttribute("user_id");
        if (userIdO != null)
            userId = userIdO.toString();

        it.eng.spagobi.engines.exporters.KpiExporter exporter = new KpiExporter();
        tmpFile = exporter.getKpiExportXML(listKpiBlocks, document, userId);

        String outputType = "XML";

        String mimeType = "text/xml";

        logger.debug("Report exported succesfully");

        HttpServletResponse response = getHttpResponse();
        response.setContentType(mimeType);
        response.setHeader("Content-Disposition", "filename=\"report." + outputType + "\";");
        response.setContentLength((int) tmpFile.length());

        BufferedInputStream in = new BufferedInputStream(new FileInputStream(tmpFile));
        int b = -1;
        while ((b = in.read()) != -1) {
            response.getOutputStream().write(b);
        }
        response.getOutputStream().flush();
        in.close();
        logger.debug("OUT");

    } catch (Throwable e) {
        logger.error("An exception has occured", e);
        throw new Exception(e);
    } finally {

        tmpFile.delete();

    }
}

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From source file:org.pegadi.webapp.view.FileView.java

protected void renderMergedOutputModel(Map map, HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    // get the file from the map
    File file = (File) map.get("file");

    // check if it exists
    if (file == null || !file.exists() || !file.canRead()) {
        log.warn("Error reading: " + file);
        try {// ww  w  . ja  va 2s  . co  m
            response.sendError(404);
        } catch (IOException e) {
            log.error("Could not write to response", e);
        }
        return;
    }
    // give some info in the response
    response.setContentType(getServletContext().getMimeType(file.getAbsolutePath()));
    // files does not change so often, allow three days caching
    response.setHeader("Cache-Control", "max-age=259200");
    response.setContentLength((int) file.length());

    // start writing to the response
    BufferedOutputStream out = null;
    BufferedInputStream in = null;
    try {
        out = new BufferedOutputStream(response.getOutputStream());
        in = new BufferedInputStream(new FileInputStream(file));
        int c = in.read();
        while (c != -1) {
            out.write(c);
            c = in.read();
        }
    } finally {
        if (in != null) {
            in.close();
        }
        if (out != null) {
            out.flush();
            out.close();
        }
    }
}

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From source file:fr.gcastel.freeboxV6GeekIncDownloader.services.GeekIncLogoDownloadService.java

public void downloadAndResize(int requiredSize) throws Exception {
    // Si le logo existe depuis moins d'une semaine, on ne le retlcharge
    // pas/*from   www.  j a v  a  2  s  .c  o  m*/
    if (outFile.exists()) {
        // Moins une semaine
        long uneSemainePlusTot = System.currentTimeMillis() - (7 * 24 * 60 * 60 * 1000);

        if (outFile.lastModified() > uneSemainePlusTot) {
            Log.i("GeekIncLogoDownloadService",
                    "Le logo a dj t tlcharg il y a moins d'une semaine.");
            return;
        }
    }

    URLConnection ucon = toDownload.openConnection();
    InputStream is = ucon.getInputStream();

    BufferedInputStream bis = new BufferedInputStream(is);
    ByteArrayBuffer baf = new ByteArrayBuffer(50);
    int current = 0;
    while ((current = bis.read()) != -1) {
        baf.append((byte) current);
    }

    bis.close();
    is.close();

    // Fichier temporaire pour redimensionnement
    File tmpFile = new File(outFile.getAbsolutePath() + "tmp");
    FileOutputStream fos = new FileOutputStream(tmpFile);
    fos.write(baf.toByteArray());
    fos.close();

    saveAndResizeFile(tmpFile, outFile, requiredSize);

    // Suppression du fichier temporaire
    tmpFile.delete();
}

---

From source file:org.terracotta.management.cli.rest.AbstractHttpCommand.java

private byte[] toBytes(InputStream is) throws IOException {
    BufferedInputStream bis = new BufferedInputStream(is);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    while (true) {
        int read = bis.read();
        if (read == -1)
            break;
        baos.write(read);/*from   ww  w  .j  av a 2 s. c  o  m*/
    }

    baos.close();
    return baos.toByteArray();
}

---

From source file:MainServer.ImageUploadServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    try {//from  www . j  av  a2 s  . c  o m
        List<FileItem> items = this.upload.parseRequest(request);
        if (items != null && !items.isEmpty()) {
            for (FileItem item : items) {
                String filename = item.getName();
                String filepath = fileDir + File.separator + filename;
                System.out.println("File path: " + filepath);
                File file = new File(filepath);
                InputStream inputStream = item.getInputStream();
                BufferedInputStream bis = new BufferedInputStream(inputStream);
                FileOutputStream fos = new FileOutputStream(file);
                int f;
                while ((f = bis.read()) != -1) {
                    fos.write(f);
                }
                fos.flush();
                fos.close();
                bis.close();
                inputStream.close();
                System.out.println("File: " + filename + "Uploaded");
            }
        }
        System.out.println("Uploaded!");
        out.write("Uploaded!");
    } catch (FileUploadException | IOException e) {
        System.out.println(e);
        out.write(fileDir);
    }
}

---

From source file:com.data.RetrieveDataTask.java

protected Boolean doInBackground(Object... params) {

    try {//  www  .  j a v a  2 s.  c om
        Timber.d("check for updates...");
        DataProvider dataProvider = new DataProvider();
        boolean isAlreadyStored = false;
        isAlreadyStored = dataProvider.isDataStored((Activity) params[0]);

        if (!isAlreadyStored) {
            Timber.d("no data available, so retrieve data...");
            HttpResponse response = new DefaultHttpClient().execute(new HttpGet(Constants.NAME_ROOM_URL));
            BufferedInputStream in = new BufferedInputStream(response.getEntity().getContent());

            LinkedList<Byte> bytes = new LinkedList<>();
            int b;
            while ((b = in.read()) != -1) {
                bytes.add((byte) b);
            }

            byte[] decryptedData = DecryptionService.decryptData(bytes, (String) params[1]);
            String data = new String(decryptedData);
            for (String l : data.split("\n")) {
                dataProvider.addNewEntry(l, (Activity) params[0]);
            }
        }
        SharedPreferences spData = ((Activity) params[0]).getApplicationContext().getSharedPreferences("Data",
                0);
        int remoteVersion = spData.getInt("DataVersionRemote", 0);
        spData.edit().putInt("DataVersion", remoteVersion).apply();

        Timber.d("... update success");
        return true;
    } catch (Exception e) {
        Timber.e(e, "... update failure " + e.getMessage());
    }
    return false;

}

---

From source file:Strings.java

/** Process one file */
protected void process(String fileName, InputStream inStream) {
    try {/*from  ww w  .j av  a 2s  .  c om*/
        int i;
        char ch;

        // This line alone cuts the runtime by about 66% on large files.
        BufferedInputStream is = new BufferedInputStream(inStream);

        StringBuffer sb = new StringBuffer();

        // Read a byte, cast it to char, check if part of printable string.
        while ((i = is.read()) != -1) {
            ch = (char) i;
            if (isStringChar(ch) || (sb.length() > 0 && ch == ' '))
                // If so, build up string.
                sb.append(ch);
            else {
                // if not, see if anything to output.
                if (sb.length() == 0)
                    continue;
                if (sb.length() >= minLength) {
                    report(fileName, sb);
                }
                sb.setLength(0);
            }
        }
        is.close();
    } catch (IOException e) {
        System.out.println("IOException: " + e);
    }
}

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From source file:com.athena.peacock.controller.web.as.AutoScalingController.java

@RequestMapping("/xml")
public void xml(HttpServletRequest request, HttpServletResponse response) throws Exception {
    //response.setContentType("application/xml");
    response.setContentType("text/xml");

    try {//from  www.j av  a2 s. c  om
        File file = new File(getClass().getResource("/spring/context-common.xml").getFile());
        BufferedInputStream fin = new BufferedInputStream(new FileInputStream(file));
        BufferedOutputStream outs = new BufferedOutputStream(response.getOutputStream());

        int read = 0;
        while ((read = fin.read()) != -1) {
            outs.write(read);
        }

        IOUtils.closeQuietly(fin);
        IOUtils.closeQuietly(outs);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:com.norconex.collector.http.fetch.impl.DefaultDocumentFetcher.java

@Override
public CrawlStatus fetchDocument(DefaultHttpClient httpClient, HttpDocument doc) {
    //TODO replace signature with Writer class.
    LOG.debug("Fetching document: " + doc.getUrl());
    HttpGet method = null;//from www  . j a va 2 s.  c  o m
    try {
        method = new HttpGet(doc.getUrl());

        // Execute the method.
        HttpResponse response = httpClient.execute(method);
        int statusCode = response.getStatusLine().getStatusCode();

        InputStream is = response.getEntity().getContent();
        if (ArrayUtils.contains(validStatusCodes, statusCode)) {
            //--- Fetch headers ---
            Header[] headers = response.getAllHeaders();
            for (int i = 0; i < headers.length; i++) {
                Header header = headers[i];
                String name = header.getName();
                if (StringUtils.isNotBlank(headersPrefix)) {
                    name = headersPrefix + name;
                }
                if (doc.getMetadata().getString(name) == null) {
                    doc.getMetadata().addString(name, header.getValue());
                }
            }

            //--- Fetch body
            FileOutputStream os = FileUtils.openOutputStream(doc.getLocalFile());
            IOUtils.copy(is, os);
            IOUtils.closeQuietly(is);
            IOUtils.closeQuietly(os);
            return CrawlStatus.OK;
        }
        // read response anyway to be safer, but ignore content
        BufferedInputStream bis = new BufferedInputStream(is);
        int result = bis.read();
        while (result != -1) {
            result = bis.read();
        }
        IOUtils.closeQuietly(bis);
        if (statusCode == HttpStatus.SC_NOT_FOUND) {
            return CrawlStatus.NOT_FOUND;
        }
        LOG.debug("Unsupported HTTP Response: " + response.getStatusLine());
        return CrawlStatus.BAD_STATUS;
    } catch (Exception e) {
        if (LOG.isDebugEnabled()) {
            LOG.error("Cannot fetch document: " + doc.getUrl() + " (" + e.getMessage() + ")", e);
        } else {
            LOG.error("Cannot fetch document: " + doc.getUrl() + " (" + e.getMessage() + ")");
        }
        throw new HttpCollectorException(e);
    } finally {
        if (method != null) {
            method.releaseConnection();
        }
    }
}

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