Example usage for java.io BufferedOutputStream BufferedOutputStream

List of usage examples for java.io BufferedOutputStream BufferedOutputStream

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Introduction

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

Prototype

public BufferedOutputStream(OutputStream out)

Source Link

Document

Creates a new buffered output stream to write data to the specified underlying output stream.

Usage

From source file:WriteBinaryFile.java

private static DataOutputStream openOutputStream(String name) throws Exception {
    DataOutputStream out = null;//from  w  w  w  .  j av  a 2 s .  c  o m
    File file = new File(name);
    out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
    return out;
}

From source file:Main.java

public static boolean upZipFile(File zipFile, String folderPath) throws ZipException, IOException {
    ZipFile zfile = new ZipFile(zipFile);
    Enumeration<? extends ZipEntry> zList = zfile.entries();
    ZipEntry ze = null;//from  w  w w.j  a v  a 2  s .  c om
    byte[] buf = new byte[1024];
    while (zList.hasMoreElements()) {
        ze = (ZipEntry) zList.nextElement();
        if (ze.isDirectory()) {
            continue;
        }
        Log.d(TAG, "ze.getName() = " + ze.getName());
        OutputStream os = new BufferedOutputStream(
                new FileOutputStream(getRealFileName(folderPath, ze.getName())));
        InputStream is = new BufferedInputStream(zfile.getInputStream(ze));
        int readLen = 0;
        while ((readLen = is.read(buf, 0, 1024)) != -1) {
            os.write(buf, 0, readLen);
        }
        is.close();
        os.close();
    }
    zfile.close();
    return true;
}

From source file:Main.java

public static void copyFile(File in, File out) throws IOException {
    // avoids copying a file to itself
    if (in.equals(out)) {
        return;/*  ww  w  .  j  a  v a2 s . c  o  m*/
    }
    // ensure the output file location exists
    out.getCanonicalFile().getParentFile().mkdirs();

    BufferedInputStream fis = new BufferedInputStream(new FileInputStream(in));
    BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(out));

    // a temporary buffer to read into
    byte[] tmpBuffer = new byte[8192];
    int len = 0;
    while ((len = fis.read(tmpBuffer)) != -1) {
        // add the temp data to the output
        fos.write(tmpBuffer, 0, len);
    }
    // close the input stream
    fis.close();
    // close the output stream
    fos.flush();
    fos.close();
}

From source file:com.mayalogy.mayu.io.FileAppender.java

private static OutputStream outStream(final File f) throws IOException {
    return new BufferedOutputStream(new FileOutputStream(f, true));
}

From source file:Main.java

public static String zip(String filename) throws IOException {
    BufferedInputStream origin = null;
    Integer BUFFER_SIZE = 20480;//from   w  w  w . j  a v  a 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;
}

From source file:Main.java

/**
 * Method to save audio file to SD card/*from   www. j  a  v a2s  .co m*/
 * @param course_title, title of course
 * @param format, the file format, for example .mp3, .txt
 */
public static boolean copyToStorage(File source_file, String course_title, String format) {

    File output_file = getEmptyFileWithStructuredPath(course_title, format);

    try {
        byte[] buffer = new byte[4096];
        int bytesToHold;

        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(source_file));
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(output_file));

        while ((bytesToHold = bis.read(buffer)) != -1) {
            bos.write(buffer, 0, bytesToHold);
        }

        bos.flush();
        bos.close();

        return true;

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return false;
}

From source file:hr.softwarecity.osijek.utility.Multimedia.java

/**
 * Method for uploading files// w  w w  .  j a va 2s  .com
 * @param path path to put file
 * @param file file to upload
 * @return path to file or Failed keyword on fail
 * @throws java.nio.file.FileSystemException
 * @throws java.io.FileNotFoundException
 */
public static String handleFileUpload(String path, MultipartFile file) throws IOException {
    Logger.getLogger("Multimedia.java").log(Logger.Level.INFO, "Initiating file upload");
    if (!file.isEmpty()) {
        byte[] bytes = file.getBytes();
        BufferedOutputStream stream = new BufferedOutputStream(
                new FileOutputStream(new File(path, file.getOriginalFilename())));
        stream.write(bytes);
        stream.close();
        Logger.getLogger("Multimedia.java").log(Logger.Level.INFO, "File uploaded");
        return path;
    } else {
        Logger.getLogger("Multimedia.java").log(Logger.Level.ERROR, "File size 0! ");
        return null;
    }
}

From source file:Main.java

public static int upZipFile(File zipFile, String folderPath) throws IOException {
    ZipFile zfile = new ZipFile(zipFile);
    Enumeration zList = zfile.entries();
    ZipEntry ze = null;//from ww  w. ja  v  a2  s . com
    byte[] buf = new byte[1024];
    while (zList.hasMoreElements()) {
        ze = (ZipEntry) zList.nextElement();
        if (ze.isDirectory()) {
            String dirstr = folderPath + ze.getName();
            dirstr = new String(dirstr.getBytes("8859_1"), "GB2312");
            File f = new File(dirstr);
            f.mkdirs();
            continue;
        }
        OutputStream os = new BufferedOutputStream(
                new FileOutputStream(getRealFileName(folderPath, ze.getName())));
        InputStream is = new BufferedInputStream(zfile.getInputStream(ze));
        int readLen = 0;
        while ((readLen = is.read(buf, 0, 1024)) != -1) {
            os.write(buf, 0, readLen);
        }
        is.close();
        os.close();
    }
    zfile.close();
    return 0;
}

From source file:Main.java

public static File saveBmpFile(Bitmap bmp, String filePath, String fileName) {
    File dirFile = new File(filePath);
    if (!dirFile.exists()) {
        dirFile.mkdir();//from w w w  .  j a va 2 s .co m
    }
    File wantSaveFile = new File(filePath + "/" + fileName);
    try {
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(wantSaveFile));
        if (fileName.contains(".jpg")) {
            bmp.compress(Bitmap.CompressFormat.JPEG, 100, bos);
        } else {
            bmp.compress(Bitmap.CompressFormat.PNG, 100, bos);
        }

        bos.flush();
        bos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return wantSaveFile;
}

From source file:ZipHelper.java

public static void fileToZip(File file, File zipFile, int compressionLevel) throws Exception {
    zipFile.createNewFile();/*w  w  w . java  2  s .  com*/
    FileOutputStream fout = new FileOutputStream(zipFile);
    ZipOutputStream zout = null;
    try {
        zout = new ZipOutputStream(new BufferedOutputStream(fout));
        zout.setLevel(compressionLevel);
        if (file.isDirectory()) {
            File[] files = file.listFiles();
            for (int i = 0; i < files.length; i++)
                fileToZip(files[i], zout, file);
        } else if (file.isFile()) {
            fileToZip(file, zout, file.getParentFile());
        }
    } finally {
        if (zout != null)
            zout.close();
    }
}