Example usage for java.io ByteArrayInputStream ByteArrayInputStream

Introduction

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

Prototype

public ByteArrayInputStream(byte buf[])

Source Link

Document

Creates a ByteArrayInputStream so that it uses buf as its buffer array.

Usage

From source file:Main.java

public static Bitmap convertByteArrayToBitmap(byte[] byteArray) {
    if (byteArray != null) {
        ByteArrayInputStream imageStream = new ByteArrayInputStream(byteArray);
        return BitmapFactory.decodeStream(imageStream);
    } else {//  ww w .  j  a  va 2 s.com
        return null;
    }
}

From source file:Main.java

public static InputStream StringTOInputStream(String in, String encode) throws IOException {
    ByteArrayInputStream is = new ByteArrayInputStream(in.getBytes(encode));
    return is;//w  w w.  j av  a2  s. com
}

From source file:Main.java

public static byte[] unGzip(byte[] data) {
    byte[] b = null;
    try {/*w  w  w  . j  a  v  a2s  .  c om*/
        ByteArrayInputStream bis = new ByteArrayInputStream(data);
        GZIPInputStream gzip = new GZIPInputStream(bis);
        byte[] buf = new byte[1024];
        int num = -1;
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((num = gzip.read(buf, 0, buf.length)) != -1) {
            baos.write(buf, 0, num);
        }
        b = baos.toByteArray();
        baos.flush();
        baos.close();
        gzip.close();
        bis.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return b;
}

From source file:Main.java

public static String decompress(byte[] bytes) {
    try {// w  w  w  . ja v  a 2s. com
        InputStream in = new GZIPInputStream(new ByteArrayInputStream(bytes));
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buffer = new byte[262144]; // about 300kb
        int len;
        while ((len = in.read(buffer)) > 0)
            baos.write(buffer, 0, len);
        return new String(baos.toByteArray(), "UTF-8");
    } catch (Exception e) {
        return "";
    }
}

From source file:Main.java

public static ByteArrayInputStream toByteStream(InputStream istream) {
    ByteArrayInputStream byteistream = new ByteArrayInputStream(new byte[0]);
    try {// w  w w.  j a  va 2 s  .  c  om
        ByteArrayOutputStream byteostream = new ByteArrayOutputStream(8192);
        byte[] buffer = new byte[8192];
        int lenght;
        while ((lenght = istream.read(buffer)) != -1) {
            byteostream.write(buffer, 0, lenght);
        }
        byteistream = new ByteArrayInputStream(byteostream.toByteArray());
        byteostream.close();
    } catch (Exception e) {
    } finally {
        try {
            istream.close();
        } catch (Exception e) {
        }
    }
    return byteistream;
}

From source file:Main.java

public static int byteArrayCompare(byte[] byte1, byte[] byte2) {
    byte[] tByte1 = new byte[byte2.length];

    ByteArrayInputStream input = new ByteArrayInputStream(byte1);

    try {/*from w  w w  . j a va 2  s  . c o m*/
        input.read(tByte1);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    ByteBuffer byteBuf1 = ByteBuffer.wrap(tByte1);
    ByteBuffer byteBuf2 = ByteBuffer.wrap(byte2);

    return byteBuf1.compareTo(byteBuf2);
}

From source file:Main.java

public static byte[] unZip(byte[] data) {
    byte[] b = null;
    try {/*ww  w  . j a va  2 s  .com*/
        ByteArrayInputStream bis = new ByteArrayInputStream(data);
        ZipInputStream zip = new ZipInputStream(bis);
        while (zip.getNextEntry() != null) {
            byte[] buf = new byte[1024];
            int num = -1;
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            while ((num = zip.read(buf, 0, buf.length)) != -1) {
                baos.write(buf, 0, num);
            }
            b = baos.toByteArray();
            baos.flush();
            baos.close();
        }
        zip.close();
        bis.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return b;
}

From source file:Main.java

public static Map<String, String> toMap(String properties) {
    try {//from w  w w .  java  2 s. com
        InputStream is = new ByteArrayInputStream(properties.getBytes("UTF-8"));
        Properties prop = new Properties();
        prop.load(is);
        Map<String, String> ret = new HashMap<String, String>();
        for (String key : prop.stringPropertyNames()) {
            ret.put(key, prop.getProperty(key));
        }
        return ret;
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static byte[] unZip(byte[] bContent) {
    byte[] b = null;
    try {/* ww  w. ja v a  2s  .co  m*/
        ByteArrayInputStream bis = new ByteArrayInputStream(bContent);
        ZipInputStream zip = new ZipInputStream(bis);
        while (zip.getNextEntry() != null) {
            byte[] buf = new byte[1024];
            int num = -1;
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            while ((num = zip.read(buf, 0, buf.length)) != -1) {
                baos.write(buf, 0, num);
            }
            b = baos.toByteArray();
            baos.flush();
            baos.close();
        }
        zip.close();
        bis.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return b;
}

From source file:Main.java

public static final byte[] unCompress(byte[] buf) throws IOException {
    GZIPInputStream gzi = new GZIPInputStream(new ByteArrayInputStream(buf));
    ByteArrayOutputStream bos = new ByteArrayOutputStream(buf.length);

    int count;/*from   w  ww . j  a  v a 2s  .co m*/
    byte[] tmp = new byte[2048];
    while ((count = gzi.read(tmp)) != -1) {
        bos.write(tmp, 0, count);
    }

    // store uncompressed back to buffer      
    gzi.close();
    return bos.toByteArray();
}