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:com.piaoyou.util.FileUtil.java

public static void copyFile(File org, File des, boolean overwrite) throws IOException {

    if (!org.exists()) {
        throw new FileNotFoundException("Cannot find the source file: " + org.getAbsolutePath());
    }/*from  ww  w  . ja v a  2s . c o m*/
    if (!org.canRead()) {
        throw new IOException("Cannot read the source file: " + org.getAbsolutePath());
    }

    if (overwrite == false) {
        if (des.exists()) {
            return;
        }
    } else {
        if (des.exists()) {
            if (!des.canWrite()) {
                throw new IOException("Cannot write the destination file: " + des.getAbsolutePath());
            }
        } else {
            if (!des.createNewFile()) {
                throw new IOException("Cannot write the destination file: " + des.getAbsolutePath());
            }
        }
    }

    BufferedInputStream inputStream = null;
    BufferedOutputStream outputStream = null;
    byte[] block = new byte[1024];
    try {
        inputStream = new BufferedInputStream(new FileInputStream(org));
        outputStream = new BufferedOutputStream(new FileOutputStream(des));
        while (true) {
            int readLength = inputStream.read(block);
            if (readLength == -1)
                break;// end of file
            outputStream.write(block, 0, readLength);
        }
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException ex) {
                log.error("Cannot close stream", ex);
            }
        }
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException ex) {
                log.error("Cannot close stream", ex);
            }
        }
    }
}

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From source file:com.piaoyou.util.FileUtil.java

public static void copyFile(String srcFilename, String destFilename, boolean overwrite) throws IOException {

    File srcFile = new File(srcFilename);
    if (!srcFile.exists()) {
        throw new FileNotFoundException("Cannot find the source file: " + srcFile.getAbsolutePath());
    }/*from   w  w w. j  a v a  2s .com*/
    if (!srcFile.canRead()) {
        throw new IOException("Cannot read the source file: " + srcFile.getAbsolutePath());
    }

    File destFile = new File(destFilename);
    if (overwrite == false) {
        if (destFile.exists()) {
            return;
        }
    } else {
        if (destFile.exists()) {
            if (!destFile.canWrite()) {
                throw new IOException("Cannot write the destination file: " + destFile.getAbsolutePath());
            }
        } else {
            if (!destFile.createNewFile()) {
                throw new IOException("Cannot write the destination file: " + destFile.getAbsolutePath());
            }
        }
    }

    BufferedInputStream inputStream = null;
    BufferedOutputStream outputStream = null;
    byte[] block = new byte[1024];
    try {
        inputStream = new BufferedInputStream(new FileInputStream(srcFile));
        outputStream = new BufferedOutputStream(new FileOutputStream(destFile));
        while (true) {
            int readLength = inputStream.read(block);
            if (readLength == -1)
                break;// end of file
            outputStream.write(block, 0, readLength);
        }
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException ex) {
                log.error("Cannot close stream", ex);
            }
        }
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException ex) {
                log.error("Cannot close stream", ex);
            }
        }
    }
}

---

From source file:com.athena.dolly.websocket.client.test.WebSocketClient.java

public void sendFile(File file) throws Exception {
    // Send 10 messages and wait for responses
    System.out.println("WebSocket Client sending file ->" + file.getAbsolutePath());
    //for (int i = 0; i < 10; i++) {
    //    ch.writeAndFlush(new TextWebSocketFrame("Message #" + i));
    //}/*from w w  w  .  j a  v a 2s. co m*/

    ch.writeAndFlush(new TextWebSocketFrame(file.getAbsolutePath()));

    // Binary File Data Send
    byte[] buf = new byte[65536];
    int len = 0;

    BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));

    while ((len = bis.read(buf)) != -1) {
        ch.write(new BinaryWebSocketFrame(Unpooled.copiedBuffer(buf, 0, len)));
    }

    ch.flush();
    System.out.println("File send succeed");

    bis.close();

    // Ping
    System.out.println("WebSocket Client sending ping");
    ch.writeAndFlush(new PingWebSocketFrame(Unpooled.copiedBuffer(new byte[] { 1, 2, 3, 4, 5, 6 })));

}

---

From source file:com.naryx.tagfusion.expression.function.file.FileCopy.java

/**
 * Does a byte-4-byte copy/*w  w  w  . jav  a2s . com*/
 *  
 * @param vfsSrc
 * @param vfsDest
 * @throws Exception 
 */
protected void copy(cfVFSData vfsSrc, cfVFSData vfsDest) throws Exception {
    vfsSrc.openInputStream();
    vfsDest.openOutputStream();

    BufferedInputStream ios = vfsSrc.getStreamReader();
    byte b[] = new byte[16000];
    int c;
    while ((c = ios.read(b)) != -1) {
        vfsDest.getStreamWriter().write(b, 0, c);
    }

    vfsSrc.close();
    vfsDest.close();
}

---

From source file:com.jbrisbin.vpc.jobsched.exe.ExeMessageHandler.java

public ExeMessage handleMessage(final ExeMessage msg) throws Exception {
    log.debug("handling message: " + msg.toString());

    List<String> args = msg.getArgs();
    args.add(0, msg.getExe());/*from  ww  w  . j av a2  s  .c om*/

    try {
        ProcessBuilder pb = new ProcessBuilder(args);
        pb.environment().putAll(msg.getEnv());
        pb.directory(new File(msg.getDir()));
        pb.redirectErrorStream(true);
        Process p = pb.start();

        BufferedInputStream stdout = new BufferedInputStream(p.getInputStream());
        byte[] buff = new byte[4096];
        for (int bytesRead = 0; bytesRead > -1; bytesRead = stdout.read(buff)) {
            msg.getOut().write(buff, 0, bytesRead);
        }

        p.waitFor();
    } catch (Throwable t) {
        log.error(t.getMessage(), t);
        Object errmsg = t.getMessage();
        if (null != errmsg) {
            msg.getOut().write(((String) errmsg).getBytes());
        }
    }
    return msg;
}

---

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

@Bean
protected CommandLineRunner run(RestTemplate restTemplate) throws Exception {
    return args -> {

        File tmpDirectory = new File(tmpPath);
        tmpDirectory.mkdir();//from  w ww. j  a v  a  2s  .c  om

        Optional<SearchResult2> result2 = search2.getOf("e", null, null, null, null, 1, null, null);
        result2.ifPresent(result -> result.getSongs().forEach(song -> {

            download.download(song, (subject, inputStream) -> {

                File dir = new File(tmpPath + "/" + song.getPath().replaceAll("([^/]+?)?$", StringUtils.EMPTY));
                dir.mkdirs();
                File file = new File(tmpPath + "/" + song.getPath());
                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();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                LOG.info(file.getAbsolutePath());
            }, callback);
        }));

        tmpDirectory.deleteOnExit();
    };

}

---

From source file:fr.univrouen.poste.services.ZipService.java

public void writeZip(List<PosteCandidature> posteCandidatures, OutputStream destStream)
        throws IOException, SQLException {

    ZipOutputStream out = new ZipOutputStream(destStream);

    for (PosteCandidature posteCandidature : posteCandidatures) {
        String folderName = posteCandidature.getPoste().getNumEmploi().concat("/");
        folderName = folderName.concat(posteCandidature.getCandidat().getNom().concat("-"));
        folderName = folderName.concat(posteCandidature.getCandidat().getPrenom().concat("-"));
        folderName = folderName.concat(posteCandidature.getCandidat().getNumCandidat().concat("/"));
        for (PosteCandidatureFile posteCandidatureFile : posteCandidature.getCandidatureFiles()) {
            String fileName = posteCandidatureFile.getId().toString().concat("-")
                    .concat(posteCandidatureFile.getFilename());
            String folderFileName = folderName.concat(fileName);
            out.putNextEntry(new ZipEntry(folderFileName));
            InputStream inputStream = posteCandidatureFile.getBigFile().getBinaryFile().getBinaryStream();
            BufferedInputStream bufInputStream = new BufferedInputStream(inputStream, BUFFER);
            byte[] bytes = new byte[BUFFER];
            int length;
            while ((length = bufInputStream.read(bytes)) >= 0) {
                out.write(bytes, 0, length);
            }/*from   w  w w.j  av  a 2s.  c  om*/
            out.closeEntry();
        }
    }
    out.close();
}

---

From source file:de.micromata.tpsb.doc.sources.JarSourceFileRepository.java

private String getContents(JarFile jarFile, JarEntry jarEntry) {
    try {/*from ww w  .  j a va  2  s.c  o m*/

        InputStream is = jarFile.getInputStream(jarEntry);
        BufferedInputStream stream = new BufferedInputStream(is);
        int bytesRead = 0;
        StringBuilder sb = new StringBuilder();
        while ((bytesRead = stream.read(buffer)) != -1) {
            String chunk = new String(buffer, 0, bytesRead, Charset.forName(CharEncoding.UTF_8));
            sb.append(chunk);
        }
        return sb.toString();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

---

From source file:io.milton.servlet.UrlResource.java

@Override
public void sendContent(OutputStream out, Range range, Map<String, String> params, String contentType)
        throws IOException {
    InputStream in = null;/*from   w  w w  .j a v a2 s  .com*/
    try {
        in = resource.openStream();
        BufferedInputStream bin = new BufferedInputStream(in);
        final byte[] buffer = new byte[1024];
        int n = 0;
        while (-1 != (n = bin.read(buffer))) {
            out.write(buffer, 0, n);
        }
    } finally {
        IOUtils.closeQuietly(in);
    }
}

---

From source file:com.discovery.darchrow.io.FileUtil.java

/**
 * ? {@code byte[] bytes}./*from w  w  w.ja  v a  2s .c om*/
 *
 * @param file
 *            file
 * @return {@link java.io.ByteArrayOutputStream#toByteArray()}
 * @see com.baozun.nebulaplus.io.FileUtil#getFileInputStream(File)
 * @see java.io.ByteArrayOutputStream#toByteArray()
 */
public static final byte[] toByteArray(File file) {
    InputStream inputStream = getFileInputStream(file);

    //Creates a BufferedInputStream and saves its argument, the input stream in, for later use. 
    //An internal buffer array is created and stored in buf.
    BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);

    //Creates a new byte array output stream. 
    //The buffer capacity is initially 32 bytes, though its size increases if necessary. 
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

    try {
        byte[] bytes = new byte[IOConstants.DEFAULT_BUFFER_LENGTH];
        int j;
        while ((j = bufferedInputStream.read(bytes)) != -1) {
            byteArrayOutputStream.write(bytes, 0, j);
        }
        byteArrayOutputStream.flush();

        byte[] byteArray = byteArrayOutputStream.toByteArray();
        return byteArray;
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    } finally {
        // ???StreamClose.??Close
        IOUtils.closeQuietly(byteArrayOutputStream);
        IOUtils.closeQuietly(bufferedInputStream);
    }
}

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