Example usage for java.io ByteArrayOutputStream write

Introduction

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

Prototype

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

Source Link

Document

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

Usage

From source file:Main.java

public static byte[] readFileToByteArray2(File file) {
    try {/*from w  ww .j a v a 2  s . c om*/
        FileInputStream fis = new FileInputStream(file);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];

        for (int readNum; (readNum = fis.read(buf)) != -1;) {
            bos.write(buf, 0, readNum);
        }
        bos.flush();
        byte[] bytes = bos.toByteArray();
        fis.close();
        bos.close();
        return bytes;

    } catch (IOException e) {
        return null;
    }
}

From source file:com.eucalyptus.auth.crypto.StringCryptoTest.java

private static byte[] readfile(String filename) throws Exception {
    FileInputStream fis = new FileInputStream(filename);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] block = new byte[512];
    int n;//from  w ww .j  a  v a  2  s . c o  m
    while ((n = fis.read(block)) > 0) {
        baos.write(block, 0, n);
    }
    byte[] bytes = baos.toByteArray();
    baos.close();
    return bytes;
}

From source file:Main.java

public static byte[] slurpToByteArray(InputStream inputStream) throws IOException {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[4096];
    for (int numRead; (numRead = inputStream.read(buffer)) != -1;) {
        outputStream.write(buffer, 0, numRead);
    }/*from   w ww  . ja v  a  2 s  .  c o m*/
    return outputStream.toByteArray();
}

From source file:Main.java

public static byte[] getBytesFromFile(File f) {
    if (f == null) {
        return null;
    }//  w w w  .  j  ava 2 s .  c  o  m
    try {
        FileInputStream stream = new FileInputStream(f);
        ByteArrayOutputStream out = new ByteArrayOutputStream(1000);
        byte[] b = new byte[1000];
        for (int n; (n = stream.read(b)) != -1;) {
            out.write(b, 0, n);
        }
        stream.close();
        out.close();
        return out.toByteArray();
    } catch (IOException e) {
    }
    return null;
}

From source file:Main.java

public static byte[] readFromInputStream(InputStream inputStream) throws IOException {

    if (inputStream == null)
        return null;

    BufferedInputStream bin = new BufferedInputStream(inputStream);
    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    byte[] buffer = new byte[1024 * 8];
    int len = 0;/*from   www . j av a2  s.c o  m*/

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

    bin.close();

    return bos.toByteArray();
}

From source file:Main.java

public static String getStringFromInput(InputStream in) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    int c = 0;/* w  w w.j a  v  a 2 s . co  m*/
    byte[] buffer = new byte[1024];
    try {
        while ((c = in.read(buffer)) != -1) {
            bos.write(buffer, 0, c);
        }
        in.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return new String(bos.toByteArray());
}

From source file:Main.java

public static byte[] decompressInGzip(byte[] compressData, int offset, int length) throws Exception {

    ByteArrayInputStream bis = new ByteArrayInputStream(compressData, offset, length);
    GZIPInputStream gzipInStream = new GZIPInputStream(bis);

    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    int count;// w  w w. j  a  v a 2  s. c  o  m
    byte[] buf = new byte[1024];
    while ((count = gzipInStream.read(buf)) > 0) {
        bos.write(buf, 0, count);
    }
    gzipInStream.close();

    byte[] originalData = bos.toByteArray();
    bos.close();

    return originalData;
}

From source file:Main.java

public static byte[] File2byte(String filePath) {
    byte[] buffer = null;
    try {//ww  w  .j a  v  a 2s .  c  o m
        File file = new File(filePath);
        FileInputStream fis = new FileInputStream(file);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        byte[] b = new byte[1024];
        int n;
        while ((n = fis.read(b)) != -1) {
            bos.write(b, 0, n);
        }
        fis.close();
        bos.close();
        buffer = bos.toByteArray();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return buffer;
}

From source file:Main.java

public static byte[] inputStreamToBytes(InputStream inputStream) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[2048];
    int read = 0;
    while ((read = inputStream.read(buffer, 0, buffer.length)) != -1)
        baos.write(buffer, 0, read);
    baos.flush();//from   w  ww .  j a  v  a 2s.  c o m
    return baos.toByteArray();
}

From source file:Main.java

private static byte[] getFileBytes(String filePath) {
    byte[] buffer = null;
    try {/*from w ww.j  a  va 2s.  c o m*/
        File file = new File(filePath);
        FileInputStream fis = new FileInputStream(file);
        ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
        byte[] b = new byte[1024];
        int n;
        while ((n = fis.read(b)) != -1) {
            bos.write(b, 0, n);
        }
        fis.close();
        bos.close();
        buffer = bos.toByteArray();
    } catch (FileNotFoundException e) {

    } catch (IOException e) {

    }
    return buffer;
}