Example usage for java.io OutputStream write

Introduction

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

Prototype

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

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this output stream.

Usage

From source file:Main.java

public static void unzip(InputStream is, OutputStream os) {
    GZIPInputStream gzip = null;//from  w w w  .  j a  v  a2 s . c  om
    try {
        gzip = new GZIPInputStream(is);
        byte[] buf = new byte[1024];
        int len;
        while ((len = gzip.read(buf)) != -1) {
            os.write(buf, 0, len);
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        closeIO(gzip);
        closeIO(os);
    }
}

From source file:Main.java

/**
 * Copies all available data from in to out without closing any stream.
 * //from  w w  w  . jav a2  s  .  com
 * @return number of bytes copied
 */
public static int copyAllBytes(InputStream in, OutputStream out) throws IOException {
    int byteCount = 0;
    byte[] buffer = new byte[4096];
    while (true) {
        int read = in.read(buffer);
        if (read == -1) {
            break;
        }
        out.write(buffer, 0, read);
        byteCount += read;
    }
    return byteCount;
}

From source file:Main.java

/**
 * This method copies data from input stream to output stream.
 * // www  .  j a va 2  s .  co  m
 * @param is
 * @param os
 */
public static void CopyStream(InputStream is, OutputStream os) {
    final int buffer_size = 1024;
    try {
        byte[] bytes = new byte[buffer_size];
        for (;;) {
            int count = is.read(bytes, 0, buffer_size);
            if (count == -1)
                break;
            os.write(bytes, 0, count);
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

/** Copy binary file */
public static boolean copyFile(File srcFile, File dstFile) {
    try {//w w w  . ja  v a 2 s . co m
        InputStream in = new FileInputStream(srcFile);
        if (dstFile.exists()) {
            dstFile.delete();
        }

        OutputStream out = new FileOutputStream(dstFile);
        try {
            int cnt;
            byte[] buf = new byte[4096];
            while ((cnt = in.read(buf)) >= 0) {
                out.write(buf, 0, cnt);
            }
        } finally {
            out.close();
            in.close();
        }
        return true;
    } catch (IOException e) {
        return false;
    }
}

From source file:Main.java

static boolean copyFiles(File sourceLocation, File targetLocation) throws IOException {
    if (sourceLocation.equals(targetLocation))
        return false;

    if (sourceLocation.isDirectory()) {
        if (!targetLocation.exists()) {
            targetLocation.mkdir();/*from  ww w.j av a2  s .  co  m*/
        }
        String[] children = sourceLocation.list();
        for (int i = 0; i < children.length; i++) {
            copyFiles(new File(sourceLocation, children[i]), new File(targetLocation, children[i]));
        }
    } else if (sourceLocation.exists()) {
        InputStream in = new FileInputStream(sourceLocation);
        OutputStream out = new FileOutputStream(targetLocation);

        // Copy the bits from instream to outstream
        byte[] buf = new byte[1024];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        in.close();
        out.close();
    }
    return true;
}

From source file:Main.java

public static void copy(InputStream inputStream, File output) throws IOException {
    OutputStream outputStream = null;
    try {//from   w  w  w  . j a  va  2 s.com
        outputStream = new FileOutputStream(output);
        int read = 0;
        byte[] bytes = new byte[1024];
        while ((read = inputStream.read(bytes)) != -1) {
            outputStream.write(bytes, 0, read);
        }
    } finally {
        try {
            if (inputStream != null) {
                inputStream.close();
            }
        } finally {
            if (outputStream != null) {
                outputStream.close();
            }
        }
    }
}

From source file:CompressTransfer.java

/**
 * ?//w ww .ja v a2  s .c om
 *
 * @param is
 * @param os
 * @throws Exception
 */
public static void bzdecompress(InputStream is, OutputStream os) throws Exception {

    BZip2CompressorInputStream gis = new BZip2CompressorInputStream(is);

    int count;
    byte data[] = new byte[BUFFER];
    while ((count = gis.read(data, 0, BUFFER)) != -1) {
        os.write(data, 0, count);
    }

    gis.close();
}

From source file:Main.java

/**
 * Copies data from IS to OS in chunks of 1024 bytes.
 * /* w w w .j a v a2  s . c o  m*/
 * 
 * @param inputStream
 *            where data needs to be read from
 * @param outputStream
 *            where data needs to be written
 * @throws IOException
 *             in case of error.
 */
public static void copyStream(InputStream inputStream, OutputStream outputStream) throws IOException {
    final int BUFFER_SIZE = 1024;
    byte[] bytes = new byte[BUFFER_SIZE];
    while (true) {
        int count = inputStream.read(bytes, 0, BUFFER_SIZE);
        if (count == -1)
            break;
        outputStream.write(bytes, 0, count);
    }
}

From source file:edu.isi.webserver.FileUtil.java

public static void copyFiles(File destination, File source) throws FileNotFoundException, IOException {
    if (!destination.exists())
        destination.createNewFile();//from w  w w .  j a v  a2s. c  o  m
    InputStream in = new FileInputStream(source);
    OutputStream out = new FileOutputStream(destination);

    byte[] buf = new byte[1024];
    int len;

    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();
    out.close();
    logger.debug("Done copying contents of " + source.getName() + " to " + destination.getName());
}

From source file:Main.java

public static File writeFromInput(String path, String fileName, InputStream is) {
    File file = createFile(path, fileName);

    OutputStream os = null;
    try {/* w ww .ja v a2  s .  c  o  m*/
        os = new FileOutputStream(file);
        byte[] buffer = new byte[4 * 1024];
        int read = 0;
        while ((read = is.read(buffer)) != -1) {
            os.write(buffer, 0, read);
        }
        os.flush();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (os != null)
                os.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return file;
}