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(byte b[], int off, int len) throws IOException 

Source Link

Document

Reads bytes from this byte-input stream into the specified byte array, starting at the given offset.

Usage

From source file:net.firejack.platform.core.utils.ArchiveUtils.java

/**
  * @param basePath// w  w w  . j  a  v a  2 s  .c o m
  * @param tarPath
  * @param filePaths
  * @throws java.io.IOException
  */
public static void tar(String basePath, String tarPath, Map<String, String> filePaths) throws IOException {
    BufferedInputStream origin = null;
    TarArchiveOutputStream out = null;
    FileOutputStream dest = null;
    try {
        dest = new FileOutputStream(tarPath);
        out = new TarArchiveOutputStream(new BufferedOutputStream(dest));
        byte data[] = new byte[BUFFER];
        for (Map.Entry<String, String> entryFile : filePaths.entrySet()) {
            String filename = entryFile.getKey();
            String filePath = entryFile.getValue();
            System.out.println("Adding: " + filename + " => " + filePath);
            FileInputStream fi = new FileInputStream(basePath + filePath);
            origin = new BufferedInputStream(fi, BUFFER);
            TarArchiveEntry entry = new TarArchiveEntry(filename);
            out.putArchiveEntry(entry);
            int count;
            while ((count = origin.read(data, 0, BUFFER)) != -1) {
                out.write(data, 0, count);
            }
            origin.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (origin != null)
            origin.close();
        if (out != null)
            out.close();
        if (dest != null)
            dest.close();
    }
}

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From source file:br.univali.celine.lms.utils.zip.Zip.java

public void zip(ArrayList<String> fileList, File destFile, int compressionLevel) throws Exception {

    if (destFile.exists())
        throw new Exception("File " + destFile.getName() + " already exists!!");

    int fileLength;
    byte[] buffer = new byte[4096];

    FileOutputStream fos = new FileOutputStream(destFile);
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    ZipOutputStream zipFile = new ZipOutputStream(bos);
    zipFile.setLevel(compressionLevel);/*from w  w  w  .  j  a  v  a  2  s.c  om*/

    for (int i = 0; i < fileList.size(); i++) {

        FileInputStream fis = new FileInputStream(fileList.get(i));
        BufferedInputStream bis = new BufferedInputStream(fis);
        ZipEntry ze = new ZipEntry(FilenameUtils.getName(fileList.get(i)));
        zipFile.putNextEntry(ze);

        while ((fileLength = bis.read(buffer, 0, 4096)) > 0)
            zipFile.write(buffer, 0, fileLength);

        zipFile.closeEntry();
        bis.close();
    }

    zipFile.close();

}

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From source file:net.sf.zekr.engine.translation.TranslationData.java

private boolean verify(InputStream is, byte[] textBuf) throws IOException {
    BufferedInputStream bis = new BufferedInputStream(is, 262144);
    bis.read(textBuf, 0, textBuf.length);

    logger.debug("Verifying translation text.");
    try {//w w w  . ja  v  a2 s.co  m
        verified = CryptoUtils.verify(textBuf, signature);
    } catch (Exception e) {
        logger.warn("Error occurred during translation text verification. Text cannot be verified.", e);
    }
    if (verified) {
        logger.debug("Translation is valid");
        verificationResult = AUTHENTIC;
    } else {
        logger.debug("Translation is not valid.");
        verificationResult = NOT_AUTHENTIC;
    }
    return verified;
}

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From source file:it.readbeyond.minstrel.librarian.FormatHandlerAbstractZIP.java

protected String getZipEntryText(ZipFile zipFile, ZipEntry ze) {
    String toReturn = "";
    try {//from  w w  w . j a  v a2  s.  c  om
        BufferedInputStream is = new BufferedInputStream(zipFile.getInputStream(ze));
        byte[] bytes = new byte[(int) (ze.getSize())];
        is.read(bytes, 0, bytes.length);
        is.close();
        toReturn = new String(bytes);
    } catch (Exception e) {
        // nothing
    }
    return toReturn;
}

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From source file:gr.forth.ics.isl.x3mlEditor.upload.UploadReceiver.java

/**
 *
 * @param f//from   ww  w  .  ja v  a  2s.  c o  m
 * @param enc
 * @return
 */
private String readFile(File f, String enc) {
    try {
        BufferedInputStream in = new BufferedInputStream(new FileInputStream(f));
        byte[] arr = new byte[(int) f.length()];
        in.read(arr, 0, arr.length);
        in.close();

        return new String(arr, enc);
    } catch (Exception ex) {
        ex.printStackTrace(System.out);
        throw new Error("IO Error in readFile");
    }
}

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From source file:edu.harvard.iq.dataverse.ingest.metadataextraction.impl.plugins.fits.FITSFileMetadataExtractorSpi.java

@Override
public boolean canDecodeInput(BufferedInputStream stream) throws IOException {
    if (stream == null) {
        throw new IllegalArgumentException("stream == null!");
    }//from w ww  .  j  a v  a  2s . c  o  m

    byte[] b = new byte[FITS_HEADER_SIZE];

    if (stream.markSupported()) {
        stream.mark(0);
    }
    int nbytes = stream.read(b, 0, FITS_HEADER_SIZE);

    if (nbytes == 0) {
        throw new IOException();
    }
    //printHexDump(b, "hex dump of the byte-array");
    dbgLog.info("hex dump of the 1st " + FITS_HEADER_SIZE + " bytes:"
            + (new String(Hex.encodeHex(b))).toUpperCase());

    if (stream.markSupported()) {
        stream.reset();
    }

    boolean DEBUG = false;

    String hdr4fits = new String(b);

    if (hdr4fits.equals(FITS_FILE_SIGNATURE)) {
        dbgLog.fine("this is a fits file");
        return true;
    } else {
        dbgLog.fine("this is NOT a fits file");
        return false;
    }
}

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From source file:Main.java

public static String zip(String filename) throws IOException {
    BufferedInputStream origin = null;
    Integer BUFFER_SIZE = 20480;// w  ww.  ja va  2 s.com

    if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) {

        File flockedFilesFolder = new File(
                Environment.getExternalStorageDirectory() + File.separator + "FlockLoad");
        System.out.println("FlockedFileDir: " + flockedFilesFolder);
        String uncompressedFile = flockedFilesFolder.toString() + "/" + filename;
        String compressedFile = flockedFilesFolder.toString() + "/" + "flockZip.zip";
        ZipOutputStream out = new ZipOutputStream(
                new BufferedOutputStream(new FileOutputStream(compressedFile)));
        out.setLevel(9);
        try {
            byte data[] = new byte[BUFFER_SIZE];
            FileInputStream fi = new FileInputStream(uncompressedFile);
            System.out.println("Filename: " + uncompressedFile);
            System.out.println("Zipfile: " + compressedFile);
            origin = new BufferedInputStream(fi, BUFFER_SIZE);
            try {
                ZipEntry entry = new ZipEntry(
                        uncompressedFile.substring(uncompressedFile.lastIndexOf("/") + 1));
                out.putNextEntry(entry);
                int count;
                while ((count = origin.read(data, 0, BUFFER_SIZE)) != -1) {
                    out.write(data, 0, count);
                }
            } finally {
                origin.close();
            }
        } finally {
            out.close();
        }
        return "flockZip.zip";
    }
    return null;
}

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From source file:com.freshplanet.ane.GoogleCloudStorageUpload.tasks.UploadToGoogleCloudStorageAsyncTask.java

private byte[] getImageByteArray(String path) {
    Log.d(TAG, "[UploadToGoogleCloudStorageAsyncTask] Entering getImageByteArray()");

    File file = new File(path);
    int size = (int) file.length();
    byte[] bytes = new byte[size];

    BufferedInputStream buf;
    try {/*  w  ww. j  a  v  a2  s .c o m*/
        buf = new BufferedInputStream(new FileInputStream(file));
        buf.read(bytes, 0, bytes.length);
        buf.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    Log.d(TAG, "[UploadToGoogleCloudStorageAsyncTask] Exiting getImageByteArray()");
    return bytes;
}

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From source file:com.freshplanet.ane.GoogleCloudStorageUpload.tasks.UploadToGoogleCloudStorageAsyncTask.java

private byte[] createHeaderByteArrayFile(byte[] prefix, byte[] suffix, String path) {
    Log.d(TAG, "[UploadToGoogleCloudStorageAsyncTask] Entering createHeaderByteArrayVideo()");

    File file = new File(path);
    int fileLength = (int) file.length();
    int size = fileLength + prefix.length + suffix.length;
    byte[] bytes = new byte[size];
    System.arraycopy(prefix, 0, bytes, 0, prefix.length);

    BufferedInputStream buf;
    try {//from w  ww  .  jav  a2s  .c  o  m
        buf = new BufferedInputStream(new FileInputStream(file));
        buf.read(bytes, prefix.length, fileLength);
        buf.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    System.arraycopy(suffix, 0, bytes, fileLength + prefix.length, suffix.length);

    Log.d(TAG, "[UploadToGoogleCloudStorageAsyncTask] Exiting createHeaderByteArrayVideo()");
    return bytes;
}

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From source file:edu.harvard.iq.dvn.ingest.statdataio.impl.plugins.sav.SAVFileReaderSpi.java

@Override
public boolean canDecodeInput(Object source) throws IOException {
    out.println("this method is actually called: object");
    if (!(source instanceof BufferedInputStream)) {
        return false;
    } else if (source instanceof File) {
        out.println("source is a File object");
    } else {//from   w ww.ja  va2s.c  om
        out.println("not File object");
    }
    if (source == null) {
        throw new IllegalArgumentException("source == null!");
    }
    BufferedInputStream stream = (BufferedInputStream) source;

    dbgLog.fine("applying the sav test\n");

    byte[] b = new byte[SAV_HEADER_SIZE];

    if (stream.markSupported()) {
        stream.mark(0);
    }
    int nbytes = stream.read(b, 0, SAV_HEADER_SIZE);

    if (nbytes == 0) {
        throw new IOException();
    }
    //printHexDump(b, "hex dump of the byte-array");
    dbgLog.info("hex dump of the 1st 4 bytes[$FL2 == 24 46 4C 32]=" + new String(Hex.encodeHex(b)));
    if (stream.markSupported()) {
        stream.reset();
    }

    boolean DEBUG = false;

    String hdr4sav = new String(b);
    dbgLog.fine("from string[$FL2 == 24 46 4C 32]=" + new String(Hex.encodeHex(b)).toUpperCase());

    if (hdr4sav.equals(SAV_FILE_SIGNATURE)) {
        dbgLog.fine("this file is spss-sav type");
        return true;
    } else {
        dbgLog.fine("this file is NOT spss-sav type");
        return false;
    }
}

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