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.feilong.commons.core.io.FileUtil.java

/**
 * ?ByteArray.//  w  w  w  .  j  a va  2  s. co  m
 *
 * @param file
 *            file
 * @return byteArrayOutputStream.toByteArray();
 * @throws UncheckedIOException
 *             the unchecked io exception
 */
public static final byte[] convertFileToByteArray(File file) throws UncheckedIOException {
    InputStream inputStream = FileUtil.getFileInputStream(file);

    BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

    byte[] bytes = new byte[IOConstants.DEFAULT_BUFFER_LENGTH];
    int j;

    try {
        while ((j = bufferedInputStream.read(bytes)) != -1) {
            byteArrayOutputStream.write(bytes, 0, j);
        }
        byteArrayOutputStream.flush();

        return byteArrayOutputStream.toByteArray();
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    } finally {
        try {
            // ???StreamClose.??Close
            // finally Block??close()
            byteArrayOutputStream.close();
            bufferedInputStream.close();
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }
}

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From source file:edu.stanford.epad.plugins.qifpwrapper.QIFPHandler.java

public static File generateZipFile(List<File> files, String dirPath) {

    File dir_file = new File(dirPath);
    File zip_file = new File(dirPath + "/temp_" + (fileNum++) + ".zip");
    int dir_l = dir_file.getAbsolutePath().length();

    FileOutputStream fos = null;// w ww.j av  a 2 s  . c  o  m
    try {
        fos = new FileOutputStream(zip_file);
    } catch (FileNotFoundException e1) {
        log.warning("File not found", e1);
        return null;
    }

    ZipOutputStream zipout = new ZipOutputStream(fos);
    zipout.setLevel(1);
    for (int i = 0; i < files.size(); i++) {
        File f = (File) files.get(i);
        if (f.canRead()) {
            log.info("Adding file: " + f.getAbsolutePath());
            try {
                zipout.putNextEntry(new ZipEntry(f.getAbsolutePath().substring(dir_l + 1)));
            } catch (Exception e) {
                log.warning("Error adding to zip file", e);
                return null;
            }
            BufferedInputStream fr;
            try {
                fr = new BufferedInputStream(new FileInputStream(f));

                byte buffer[] = new byte[0xffff];
                int b;
                while ((b = fr.read(buffer)) != -1)
                    zipout.write(buffer, 0, b);

                fr.close();
                zipout.closeEntry();

            } catch (Exception e) {
                log.warning("Error closing zip file", e);
                return null;
            }
        }
    }

    try {
        zipout.finish();
        fos.flush();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
    log.info("file zipped and returning as " + zip_file.getAbsolutePath());
    return zip_file;

}

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From source file:Thumbnail.java

public void doWork(String[] args) {
    try {/*from w ww . j  ava 2 s . c om*/
        byte[] bytes = new byte[50000];

        FileInputStream fs = new FileInputStream(args[2]);
        BufferedInputStream bis = new BufferedInputStream(fs);
        bis.read(bytes);

        ID id = new ID();
        id.nail_id = Integer.parseInt(args[0]);
        id.acc_id = Integer.parseInt(args[1]);

        statement = connection.prepareStatement("INSERT INTO thumbnail VALUES(?,?,?,?, 0, now())");

        statement.setInt(1, id.nail_id);
        statement.setInt(2, id.acc_id);
        statement.setBytes(3, bytes);
        statement.setObject(4, id);

        int i = statement.executeUpdate();
        System.out.println("Rows updated = " + i);

        bis.close();
        fs.close();
        statement.close();
        connection.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:com.yunmel.syncretic.utils.io.IOUtils.java

private static void compressFile(File file, String fileName, ZipOutputStream zipout, String baseDir) {
    try {//from  w ww  .ja  va 2  s. c om
        ZipEntry entry = null;
        if (baseDir.equals("/")) {
            baseDir = "";
        }
        String filename = new String((baseDir + fileName).getBytes(), "GBK");
        entry = new ZipEntry(filename);

        entry.setSize(file.length());
        zipout.putNextEntry(entry);
        BufferedInputStream fr = new BufferedInputStream(new FileInputStream(file));
        int len;
        byte[] buffer = new byte[1024];
        while ((len = fr.read(buffer)) != -1)
            zipout.write(buffer, 0, len);
        fr.close();
    } catch (IOException e) {
    }
}

---

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

public static void copyFile(InputStream inputStream1, OutputStream outputStream1) throws IOException {

    BufferedInputStream inputStream = null;
    BufferedOutputStream outputStream = null;
    byte[] block = new byte[1024];
    try {//from  w  ww .j a v a 2s . c o  m
        inputStream = new BufferedInputStream(inputStream1);
        outputStream = new BufferedOutputStream(outputStream1);
        while (true) {
            int readLength = inputStream.read(block);
            if (readLength == -1)
                break;// end of file
            outputStream.write(block, 0, readLength);
        }
    } catch (Exception ee) {
        ee.printStackTrace();
    } 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:de.rub.syssec.saaf.analysis.steps.extract.ApkUnzipper.java

/**
 * Extracts the given apk into the given destination directory
 * /*from  w w w . ja va 2 s  .co m*/
 * @param archive
 *            - the file to extract
 * @param dest
 *            - the destination directory
 * @throws IOException
 */
public static void extractApk(File archive, File dest) throws IOException {

    @SuppressWarnings("resource") // Closing it later results in an error
    ZipFile zipFile = new ZipFile(archive);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    BufferedOutputStream bos = null;
    BufferedInputStream bis = null;

    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();

        String entryFileName = entry.getName();

        byte[] buffer = new byte[16384];
        int len;

        File dir = buildDirectoryHierarchyFor(entryFileName, dest);// destDir
        if (!dir.exists()) {
            dir.mkdirs();
        }

        if (!entry.isDirectory()) {
            if (entry.getSize() == 0) {
                LOGGER.warn("Found ZipEntry \'" + entry.getName() + "\' with size 0 in " + archive.getName()
                        + ". Looks corrupted.");
                continue;
            }

            try {
                bos = new BufferedOutputStream(new FileOutputStream(new File(dest, entryFileName)));// destDir,...

                bis = new BufferedInputStream(zipFile.getInputStream(entry));

                while ((len = bis.read(buffer)) > 0) {
                    bos.write(buffer, 0, len);
                }
                bos.flush();
            } catch (IOException ioe) {
                LOGGER.warn("Failed to extract entry \'" + entry.getName() + "\' from archive. Results for "
                        + archive.getName() + " may not be accurate");
            } finally {
                if (bos != null)
                    bos.close();
                if (bis != null)
                    bis.close();
                // if (zipFile != null) zipFile.close();
            }
        }

    }

}

---

From source file:com.yunmel.syncretic.utils.io.IOUtils.java

/**
 * ?//from w w w.j  a va 2 s  .  c om
 * 
 * @param files 
 * @param out ?
 * @throws IOException
 * @throws Exception
 */
public static void zipDownLoad(Map<File, String> downQuene, HttpServletResponse response) throws IOException {

    ServletOutputStream out = response.getOutputStream();
    ZipOutputStream zipout = new ZipOutputStream(out);
    ZipEntry entry = null;
    zipout.setLevel(1);
    // zipout.setEncoding("GBK");
    if (downQuene != null && downQuene.size() > 0) {
        for (Entry<File, String> fileInfo : downQuene.entrySet()) {
            File file = fileInfo.getKey();
            try {
                String filename = new String(fileInfo.getValue().getBytes(), "GBK");
                entry = new ZipEntry(filename);
                entry.setSize(file.length());
                zipout.putNextEntry(entry);
            } catch (IOException e) {
                // Logger.getLogger(FileUtil.class).warn(":", e);
            }
            BufferedInputStream fr = new BufferedInputStream(new FileInputStream(fileInfo.getKey()));
            int len;
            byte[] buffer = new byte[1024];
            while ((len = fr.read(buffer)) != -1)
                zipout.write(buffer, 0, len);
            fr.close();
        }
    }

    zipout.finish();
    zipout.flush();
    // out.flush();
}

---

From source file:gemlite.core.internal.support.hotdeploy.scanner.ScannerIteratorItem.java

private byte[] readContent(ClassLoader loader, JarEntry entry) throws IOException {
    URL url = loader.getResource(entry.getName());
    URLConnection ulc = url.openConnection();
    InputStream in3 = ulc.getInputStream();
    InputStream in2 = url.openStream();

    InputStream in = loader.getResourceAsStream(entry.getName());
    if (in == null) {
        LogUtil.getCoreLog().trace("ReadContent inputStream is null entry.name={} , loader={}", entry.getName(),
                loader);//from  w w  w. ja  v  a  2  s .c  om
    }

    BufferedInputStream bi = new BufferedInputStream(in);
    byte[] bt = new byte[in.available()];
    bi.read(bt);
    bi.close();
    in.close();
    return bt;
}

---

From source file:com.clouddrive.parth.AmazonOperations.java

public byte[] downloadFile(String fileName, String userName) {
    S3Object object = s3.getObject(new GetObjectRequest(userName, fileName));
    byte[] fileBytes = null;
    try {//from w w w  .j  av  a  2 s  .  co m
        IOUtils.copy(object.getObjectContent(), new FileOutputStream(userName + "" + fileName));

        File file = new File(userName + "" + fileName);

        FileInputStream fis = new FileInputStream(file);
        BufferedInputStream inputStream = new BufferedInputStream(fis);
        fileBytes = new byte[(int) file.length()];
        inputStream.read(fileBytes);
        inputStream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return fileBytes;
}

---

From source file:com.amalto.workbench.compare.CompareManager.java

public String getLeftContent() throws Exception {
    IProject prj = createProject("comparewithsvn");//$NON-NLS-1$
    IFile leftF = prj.getFile("left");//$NON-NLS-1$
    if (!leftF.exists())
        return null;
    byte[] buf = new byte[1024];
    StringBuffer sb = new StringBuffer();
    BufferedInputStream in = new BufferedInputStream(leftF.getContents());
    while (in.read(buf) > 0) {
        sb.append(new String(buf));
        in.read(buf);/*  w  w  w . j a  v  a2  s .  com*/
    }
    return sb.toString().trim();
}

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