Example usage for java.io BufferedInputStream read

Introduction

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

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:controller.LoadImageServlet.java

/**
 * Handles the HTTP <code>GET</code> method.
 *
 * @param request servlet request/*from w w  w  . j  av a 2s.  c o  m*/
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String iid = request.getParameter("param1");
    byte[] sImageBytes;
    try {

        Connection con = JdbcConnection.getConnection();
        String Query = "SELECT image FROM user WHERE email ='" + iid + "';";
        System.out.println("Query is" + Query);
        Statement stmt = con.createStatement();
        ResultSet rs = stmt.executeQuery(Query);
        System.out.println("..........1");
        String name = "client_2";
        if (rs.next()) {

            sImageBytes = rs.getBytes("image");

            response.setContentType("image/jpeg");
            response.setContentLength(sImageBytes.length);
            // Give the name of the image in the name variable in the below line   
            response.setHeader("Content-Disposition", "inline; filename=\"" + name + "\"");

            BufferedInputStream input = new BufferedInputStream(new ByteArrayInputStream(sImageBytes));
            BufferedOutputStream output = new BufferedOutputStream(response.getOutputStream());

            byte[] buffer = new byte[8192];
            int length;
            while ((length = input.read(buffer)) > 0) {
                output.write(buffer, 0, length);
                System.out.println(".......3");
            }
            output.flush();
        }
    } catch (Exception ex) {
        System.out.println("error :" + ex);
    }
}

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From source file:com.bradmcevoy.io.FileUtils.java

public String read(InputStream in) {
    try {/*from w  w w .j  av  a 2  s . c o  m*/
        BufferedInputStream bin = new BufferedInputStream(in);
        int s;
        byte[] buf = new byte[1024];
        StringBuilder sb = new StringBuilder();
        while ((s = bin.read(buf)) > -1) {
            sb.append(new String(buf, 0, s));
        }
        return sb.toString();
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

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From source file:io.dstream.tez.utils.ClassPathUtils.java

/**
 *
 * @param source//from   ww  w  .  ja  va  2  s  . c om
 * @param lengthOfOriginalPath
 * @param target
 * @throws IOException
 */
private static void add(File source, int lengthOfOriginalPath, JarOutputStream target) throws IOException {
    BufferedInputStream in = null;
    try {
        String path = source.getAbsolutePath();
        path = path.substring(lengthOfOriginalPath);

        if (source.isDirectory()) {
            String name = path.replace("\\", "/");
            if (!name.isEmpty()) {
                if (!name.endsWith("/")) {
                    name += "/";
                }
                JarEntry entry = new JarEntry(name.substring(1)); // avoiding absolute path warning
                target.putNextEntry(entry);
                target.closeEntry();
            }

            for (File nestedFile : source.listFiles()) {
                add(nestedFile, lengthOfOriginalPath, target);
            }

            return;
        }

        JarEntry entry = new JarEntry(path.replace("\\", "/").substring(1)); // avoiding absolute path warning
        entry.setTime(source.lastModified());
        try {
            target.putNextEntry(entry);
            in = new BufferedInputStream(new FileInputStream(source));

            byte[] buffer = new byte[1024];
            while (true) {
                int count = in.read(buffer);
                if (count == -1) {
                    break;
                }
                target.write(buffer, 0, count);
            }
            target.closeEntry();
        } catch (Exception e) {
            String message = e.getMessage();
            if (message != null) {
                if (!message.toLowerCase().contains("duplicate")) {
                    throw new IllegalStateException(e);
                }
                logger.warn(message);
            } else {
                throw new IllegalStateException(e);
            }
        }
    } finally {
        if (in != null)
            in.close();
    }
}

---

From source file:buildhappy.tools.DownloadFile.java

/**
 * URL//from   w w w . ja  v a 2 s .  com
 */
public String downloadFile(String url) {
    String filePath = null;
    //1.?HttpClient??
    HttpClient client = new HttpClient();
    //5s
    client.getHttpConnectionManager().getParams().setConnectionTimeout(5000);

    //2.?GetMethod?
    GetMethod getMethod = new GetMethod(url);
    //get5s
    getMethod.getParams().setParameter(HttpMethodParams.SO_TIMEOUT, 5000);
    //??
    getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());

    //3.http get 
    try {
        int statusCode = client.executeMethod(getMethod);
        if (statusCode != HttpStatus.SC_OK) {
            System.err.println("Method failed:" + getMethod.getStatusLine());
            filePath = null;
        }
        //4.?HTTP?
        InputStream in = getMethod.getResponseBodyAsStream();
        BufferedInputStream buffIn = new BufferedInputStream(in);
        //byte[] responseBody = null;
        String responseBody = null;
        StringBuffer strBuff = new StringBuffer();
        byte[] b = new byte[1024];
        int readByte = 0;
        while ((readByte = buffIn.read(b)) != -1) {
            strBuff.append(new String(b));
        }
        responseBody = strBuff.toString();
        //buffIn.read(responseBody, off, len)
        //byte[] responseBody = getMethod.getResponseBody();
        //?url????
        filePath = "temp\\" + getFileNameByUrl(url, getMethod.getResponseHeader("Content-Type").getValue());
        System.out.println(filePath + "--size:" + responseBody.length());
        saveToLocal(responseBody.getBytes(), filePath);
    } catch (HttpException e) {
        System.out.println("check your http address");
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        //
        getMethod.releaseConnection();
    }
    return filePath;
}

---

From source file:averroes.JarFile.java

/**
 * Add the given file with the given entry name to this JAR file.
 * //from w w  w .  j  a v  a2 s . co m
 * @param source
 * @param entryName
 * @throws IOException
 */
public void add(File source, String entryName) throws IOException {
    JarEntry entry = new JarEntry(entryName);
    entry.setTime(source.lastModified());
    getJarOutputStream().putNextEntry(entry);
    BufferedInputStream in = new BufferedInputStream(new FileInputStream(source));

    byte[] buffer = new byte[1024];
    int len;
    while ((len = in.read(buffer)) != -1) {
        getJarOutputStream().write(buffer, 0, len);
    }
    getJarOutputStream().closeEntry();
    in.close();
}

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From source file:com.LogicTree.app.Florida511.AudioDownloader.java

/**
 * @param filename//from ww  w. ja va2s.com
 * @param is
 */
void createExternalStoragePrivateFile(String filename, InputStream is) {
    // Create a path where we will place our private file on external
    // storage.
    File file = new File(cacheDir, filename);

    try {
        BufferedInputStream bi = new BufferedInputStream(is);
        OutputStream os = new FileOutputStream(file);
        byte[] data = new byte[16384];
        int count;
        while ((count = bi.read(data)) != -1) {
            os.write(data, 0, count);
        }
        bi.close();
        is.close();
        os.close();
    } catch (IOException e) {
        // Unable to create file, likely because external storage is
        // not currently mounted.
        Log.w("ExternalStorage", "Error writing " + file, e);
    }
}

---

From source file:org.jboss.ejb3.packagemanager.retriever.impl.HttpPackageRetriever.java

/**
 * @see org.jboss.ejb3.packagemanager.retriever.PackageRetriever#retrievePackage(PackageManagerContext, URL)
 *//*from  w  w  w .j a  v  a2  s . c o m*/
@Override
public File retrievePackage(PackageManagerContext pkgMgrCtx, URL packagePath) throws PackageRetrievalException {
    if (!packagePath.getProtocol().equals("http")) {
        throw new PackageRetrievalException("Cannot handle " + packagePath);
    }
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(packagePath.toExternalForm());
    HttpResponse httpResponse = null;
    try {
        httpResponse = httpClient.execute(httpGet);
    } catch (Exception e) {
        throw new PackageRetrievalException("Exception while retrieving package " + packagePath, e);
    }
    if (httpResponse.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
        throw new PackageRetrievalException("Http retrieval wasn't successful, returned status code  "
                + httpResponse.getStatusLine().getStatusCode());
    }
    HttpEntity httpEntity = httpResponse.getEntity();

    try {
        // TODO: should this tmp be deleted on exit?
        File tmpPkgFile = File.createTempFile("tmp", ".jar",
                pkgMgrCtx.getPackageManagerEnvironment().getPackageManagerTmpDir());
        FileOutputStream fos = new FileOutputStream(tmpPkgFile);
        BufferedOutputStream bos = null;
        BufferedInputStream bis = null;
        try {
            bos = new BufferedOutputStream(fos);
            InputStream is = httpEntity.getContent();
            bis = new BufferedInputStream(is);
            byte[] content = new byte[4096];
            int length;
            while ((length = bis.read(content)) != -1) {
                bos.write(content, 0, length);
            }
            bos.flush();
        } finally {
            if (bos != null) {
                bos.close();
            }
            if (bis != null) {
                bis.close();
            }
        }
        return tmpPkgFile;

    } catch (IOException ioe) {
        throw new PackageRetrievalException("Could not process the retrieved package", ioe);
    }
    // TODO: I need to read the HttpClient 4.x javadocs to figure out the API for closing the
    // Http connection

}

---

From source file:com.tesshu.subsonic.client.sample4_music_andmovie.StreamDownloadAndPlayWithThreadApplication.java

@Override
public void start(Stage stage) throws Exception {

    Search2Controller search2 = context.getBean(Search2Controller.class);

    StreamController streamController = context.getBean(StreamController.class);

    SuccessObserver callback = context.getBean(SuccessObserver.class);

    SearchResult2 result2 = search2.get("e", null, null, null, null, 1, null, null);

    List<Child> songs = result2.getSongs();

    File tmpDirectory = new File(tmpPath);
    tmpDirectory.mkdir();/* w ww  . jav  a2s .  c o m*/

    int maxBitRate = 256;

    Child song = songs.get(0);

    new Thread(new Runnable() {
        public void run() {
            try {

                streamController.stream(song, maxBitRate, format, null, null, null, null,

                        (subject, inputStream, contentLength) -> {

                            File dir = new File(
                                    tmpPath + "/" + song.getPath().replaceAll("([^/]+?)?$", StringUtils.EMPTY));
                            dir.mkdirs();

                            file = new File(tmpPath + "/"
                                    + song.getPath().replaceAll("([^.]+?)?$", StringUtils.EMPTY) + format);

                            try {

                                FileOutputStream fos = new FileOutputStream(file);
                                BufferedInputStream reader = new BufferedInputStream(inputStream);

                                byte buf[] = new byte[256];
                                int len;
                                while ((len = reader.read(buf)) != -1) {
                                    fos.write(buf, 0, len);
                                }
                                fos.flush();
                                fos.close();
                                reader.close();
                                inputStream.close();

                                LOG.info("download finished");

                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                        }, callback);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }).start();

    LOG.info("download thread start");

    new Thread(new Runnable() {
        public void run() {
            while (file == null || file.getPath() == null) {
                LOG.info("wait file writing.");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

                String path = Paths.get(file.getPath()).toUri().toString();
                Group root = new Group();
                Scene scene = new Scene(root, 640, 480);
                Media media = new Media(path);
                MediaPlayer player = new MediaPlayer(media);
                new Thread(new Runnable() {
                    public void run() {
                        try {
                            while (MediaPlayer.Status.READY != player.getStatus()) {
                                LOG.info(player.getStatus() + " : " + path);
                                LOG.info(media.errorProperty());
                                Thread.sleep(1000);
                                if (MediaPlayer.Status.PLAYING == player.getStatus()) {
                                    LOG.info(player.getStatus() + " : " + path);
                                    break;
                                }
                            }
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                }).start();

                MediaView view = new MediaView(player);
                ((Group) scene.getRoot()).getChildren().add(view);

                Platform.runLater(() -> {
                    stage.setScene(scene);
                    stage.show();
                    player.play();
                });

            }
        }
    }).start();

}

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From source file:eu.scape_project.hawarp.webarchive.PayloadContent.java

private byte[] inputStreamToByteArray() {
    try {/*from w  w w .  j ava2 s .  com*/
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        BufferedInputStream buffis = new BufferedInputStream(inputStream);
        BufferedOutputStream buffos = new BufferedOutputStream(baos);
        byte[] tempBuffer = new byte[8192];
        int bytesRead;
        boolean firstByteArray = true;
        while ((bytesRead = buffis.read(tempBuffer)) != -1) {
            buffos.write(tempBuffer, 0, bytesRead);
            if (doPayloadIdentification && firstByteArray && tempBuffer != null && bytesRead > 0) {
                identified = identifyPayloadType(tempBuffer);
            }
            firstByteArray = false;
        }
        //buffis.close();
        buffos.flush();
        buffos.close();

        return baos.toByteArray();
    } catch (IOException ex) {
        LOG.error("Error while trying to read payload content", ex);
        this.error = true;
        return null;
    }
}

---

From source file:com.nokia.helium.core.EmailDataSender.java

/**
 * GZipping a string./*w  ww .ja  v a 2s  .c o m*/
 * 
 * @param data the content to be gzipped.
 * @param filename the name for the file.
 * @return a ByteArrayDataSource.
 */
protected ByteArrayDataSource compressFile(File fileName) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPOutputStream gz = new GZIPOutputStream(out);
    BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(fileName));
    byte[] dataBuffer = new byte[512];
    while ((bufferedInputStream.read(dataBuffer)) != -1) {
        gz.write(dataBuffer);
    }
    gz.close();
    bufferedInputStream.close();
    ByteArrayDataSource dataSrc = new ByteArrayDataSource(out.toByteArray(), "application/x-gzip");
    return dataSrc;
}

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