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 inputStreamToFile(InputStream is, File file) {
    OutputStream os = null;
    try {//from w w w .  ja  va  2  s. co m
        os = new FileOutputStream(file);

        int bytesRead = 0;
        byte[] buffer = new byte[3072];

        while ((bytesRead = is.read(buffer, 0, 3072)) != -1) {
            os.write(buffer, 0, bytesRead);
        }
        os.close();
        is.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void copyFile(File from, File toFile, PrintStream reportStream) {
    if (reportStream != null) {
        reportStream.println("Coping file " + from.getAbsolutePath() + " to " + toFile.getAbsolutePath());
    }/* w ww  .ja v  a  2s  .  c o m*/
    if (!from.exists()) {
        throw new IllegalArgumentException("File " + from.getPath() + " does not exist.");
    }
    if (from.isDirectory()) {
        throw new IllegalArgumentException(from.getPath() + " is a directory. Should be a file.");
    }
    try {
        final InputStream in = new FileInputStream(from);
        if (!toFile.getParentFile().exists()) {
            toFile.getParentFile().mkdirs();
        }
        if (!toFile.exists()) {
            toFile.createNewFile();
        }
        final OutputStream out = new FileOutputStream(toFile);

        final byte[] buf = new byte[1024];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        in.close();
        out.close();
    } catch (final IOException e) {
        throw new RuntimeException(
                "IO exception occured while copying file " + from.getPath() + " to " + toFile.getPath(), e);
    }

}

From source file:Main.java

/*****************************************************
 *
 * Transfers data from an input stream to an output stream.
 *
 *****************************************************/
static public void transferBytes(InputStream inputStream, OutputStream outputStream) throws IOException {
    byte[] transferBuffer = new byte[TRANSFER_BUFFER_SIZE_IN_BYTES];

    int byteCount;

    while ((byteCount = inputStream.read(transferBuffer)) >= 0) {
        outputStream.write(transferBuffer, 0, byteCount);
    }/*from w  w  w  .ja  v a 2 s .  c  om*/
}

From source file:models.logic.CipherDecipher.java

public static void doCopy(InputStream is, OutputStream os) throws IOException {
    byte[] bytes = new byte[64];
    int numBytes;
    while ((numBytes = is.read(bytes)) != -1) {
        os.write(bytes, 0, numBytes);
    }// w  w  w.  java 2 s  .c o  m
    os.flush();
    os.close();
    is.close();
}

From source file:Main.java

static long copy(InputStream from, OutputStream to, int bufferSize) throws IOException {
    byte[] buf = new byte[bufferSize];

    long total = 0;
    while (true) {
        int read = from.read(buf);
        if (read < 0)
            break;
        to.write(buf, 0, read);
        total += read;//from   www.  j a v a  2s. c  om
    }

    return total;
}

From source file:com.nextep.designer.beng.model.impl.FileUtils.java

public static void copyStreams(InputStream in, OutputStream out) throws IOException {
    byte[] buffer = new byte[FILE_BUFFER];
    int bytesRead;
    while ((bytesRead = in.read(buffer)) >= 0) {
        out.write(buffer, 0, bytesRead);
    }/* w ww.ja v a 2s  .  co  m*/
}

From source file:JarUtils.java

/**
 * Copies the input stream to the output stream
 *///from w ww. j a va2 s.co m
public static void copyStream(OutputStream outputStream, InputStream inputStream) throws IOException {
    byte[] bytes = new byte[4096];
    int read = inputStream.read(bytes, 0, 4096);
    while (read > 0) {
        outputStream.write(bytes, 0, read);
        read = inputStream.read(bytes, 0, 4096);
    }
}

From source file:com.questdb.test.tools.HttpTestUtils.java

public static void copy(InputStream is, OutputStream os) throws IOException {
    byte[] buf = new byte[4096];
    int l;/* w ww .  j a v  a 2  s .c  om*/
    while ((l = is.read(buf)) > 0) {
        os.write(buf, 0, l);
    }
}

From source file:CompressTransfer.java

/**
 * ?/*  w w w. ja v a 2s .  c  o  m*/
 *
 * @param is
 * @param os
 * @throws Exception
 */
public static void decompress(InputStream is, OutputStream os) throws Exception {

    GZIPInputStream gis = new GZIPInputStream(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:com.dragome.callbackevictor.serverside.utils.RewritingUtils.java

/**
 * Copies the entire {@link InputStream} to the given {@link OutputStream}.
 *
 * @return// ww  w  .j a  v a 2s .  c om
 *      the number of bytes copied.
 */
public static int copy(InputStream in, OutputStream out) throws IOException {
    byte[] buf = new byte[8192];
    int n;
    int total = 0;
    while ((n = in.read(buf)) >= 0) {
        out.write(buf, 0, n);
        total += n;
    }
    return total;
}