Example usage for java.util BitSet get

Introduction

In this page you can find the example usage for java.util BitSet get.

Prototype

public boolean get(int bitIndex)

Source Link

Document

Returns the value of the bit with the specified index.

Usage

From source file:org.lwes.serializer.Deserializer.java

public static Short[] deserializeNInt16Array(DeserializerState state, byte[] bytes) {
    // get the number of items in the array
    int length = deserializeUINT16(state, bytes); // 2 bytes
    BitSet bs = deserializeBitSet(state, bytes); // 2 bytes * length worst case
    Short[] rtn = new Short[length];
    for (int i = 0; i < length; i++) {
        if (bs.get(i)) {
            rtn[i] = deserializeINT16(state, bytes);
        } else {/*  w ww.ja v a 2s  .  c o  m*/
            rtn[i] = null;
        }
    }
    return rtn;
}

From source file:org.lwes.serializer.Deserializer.java

public static Double[] deserializeNDoubleArray(DeserializerState state, byte[] bytes) {
    // get the number of items in the array
    int length = deserializeUINT16(state, bytes); // 2 bytes
    BitSet bs = deserializeBitSet(state, bytes); // 2 bytes * length worst case
    Double[] rtn = new Double[length];
    for (int i = 0; i < length; i++) {
        if (bs.get(i)) {
            rtn[i] = deserializeDOUBLE(state, bytes);
        } else {/*  ww  w.  ja  va2s . c  o m*/
            rtn[i] = null;
        }
    }
    return rtn;
}

From source file:org.lwes.serializer.Deserializer.java

public static Integer[] deserializeNUInt16Array(DeserializerState state, byte[] bytes) {
    // get the number of items in the array
    int length = deserializeUINT16(state, bytes); // 2 bytes
    BitSet bs = deserializeBitSet(state, bytes); // 2 bytes * length worst case
    Integer[] rtn = new Integer[length];
    for (int i = 0; i < length; i++) {
        if (bs.get(i)) {
            rtn[i] = deserializeUINT16(state, bytes);
        } else {/*from   ww  w  .  j a v a  2 s. c  o  m*/
            rtn[i] = null;
        }
    }
    return rtn;
}

From source file:org.lwes.serializer.Deserializer.java

public static Integer[] deserializeNInt32Array(DeserializerState state, byte[] bytes) {
    // get the number of items in the array
    int length = deserializeUINT16(state, bytes); // 2 bytes
    BitSet bs = deserializeBitSet(state, bytes); // 2 bytes * length worst case
    Integer[] rtn = new Integer[length];
    for (int i = 0; i < length; i++) {
        if (bs.get(i)) {
            rtn[i] = deserializeINT32(state, bytes);
        } else {/*from ww w. j  av  a 2s .c o  m*/
            rtn[i] = null;
        }
    }
    return rtn;
}

From source file:org.lwes.serializer.Deserializer.java

public static Boolean[] deserializeNBooleanArray(DeserializerState state, byte[] bytes) {
    // get the number of items in the array
    int length = deserializeUINT16(state, bytes); // 2 bytes
    BitSet bs = deserializeBitSet(state, bytes); // 2 bytes * length worst case
    Boolean[] rtn = new Boolean[length];
    for (int i = 0; i < length; i++) {
        if (bs.get(i)) {
            rtn[i] = deserializeBOOLEAN(state, bytes);
        } else {//from  w  ww .j a v  a2  s . c o m
            rtn[i] = null;
        }
    }
    return rtn;
}

From source file:com.mcxiaoke.next.http.util.URLUtils.java

private static String urlEncode(final String content, final Charset charset, final BitSet safechars,
        final boolean blankAsPlus) {
    if (content == null) {
        return null;
    }/*from  ww  w  .j  a v a2  s  .c o  m*/
    final StringBuilder buf = new StringBuilder();
    final ByteBuffer bb = charset.encode(content);
    while (bb.hasRemaining()) {
        final int b = bb.get() & 0xff;
        if (safechars.get(b)) {
            buf.append((char) b);
        } else if (blankAsPlus && b == ' ') {
            buf.append('+');
        } else {
            buf.append("%");
            final char hex1 = Character.toUpperCase(Character.forDigit((b >> 4) & 0xF, RADIX));
            final char hex2 = Character.toUpperCase(Character.forDigit(b & 0xF, RADIX));
            buf.append(hex1);
            buf.append(hex2);
        }
    }
    return buf.toString();
}

From source file:org.apache.openjpa.kernel.DetachManager.java

/**
 * Flush or invoke pre-store callbacks on the given broker if
 * needed. Return true if flushed/stored, false otherwise.
 *///from w  w  w .j a v a2 s  . c  om
private static boolean flushDirty(StateManagerImpl sm) {
    if (!sm.isDirty() || !sm.getBroker().isActive())
        return false;

    // only flush if there are actually any dirty non-flushed fields
    BitSet dirtyFields = sm.getDirty();
    BitSet flushedFields = sm.getFlushed();
    for (int i = 0; i < dirtyFields.size(); i++) {
        if (dirtyFields.get(i) && !flushedFields.get(i)) {
            if (sm.getBroker().getRollbackOnly())
                sm.getBroker().preFlush();
            else
                sm.getBroker().flush();
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static byte[] encodedSeptetsToUnencodedSeptets(byte[] octetBytes, boolean discardLast) {
    byte newBytes[];
    BitSet bitSet;
    int i, j, value1, value2;
    bitSet = new BitSet(octetBytes.length * 8);
    value1 = 0;/*from  www  .  j  ava2  s. c  om*/
    for (i = 0; i < octetBytes.length; i++)
        for (j = 0; j < 8; j++) {
            value1 = (i * 8) + j;
            if ((octetBytes[i] & (1 << j)) != 0)
                bitSet.set(value1);
        }
    value1++;
    // this is a bit count NOT a byte count
    value2 = value1 / 7 + ((value1 % 7 != 0) ? 1 : 0); // big diff here
    //System.out.println(octetBytes.length);
    //System.out.println(value1+" --> "+value2);
    if (value2 == 0)
        value2++;
    newBytes = new byte[value2];
    for (i = 0; i < value2; i++) {
        for (j = 0; j < 7; j++) {
            if ((value1 + 1) > (i * 7 + j)) {
                if (bitSet.get(i * 7 + j)) {
                    newBytes[i] |= (byte) (1 << j);
                }
            }
        }
    }
    if (discardLast && octetBytes.length * 8 % 7 > 0) {
        // when decoding a 7bit encoded string 
        // the last septet may become 0, this should be discarded
        // since this is an artifact of the encoding not part of the 
        // original string
        // this is only done for decoding 7bit encoded text NOT for
        // reversing octets to septets (e.g. for the encoding the UDH)
        if (newBytes[newBytes.length - 1] == 0) {
            byte[] retVal = new byte[newBytes.length - 1];
            System.arraycopy(newBytes, 0, retVal, 0, retVal.length);
            return retVal;
        }
    }
    return newBytes;
}

From source file:spypunk.tetris.ui.controller.input.TetrisControllerInputHandlerImpl.java

private boolean isKeyTriggered(final int keyCode, final BitSet bitSet) {
    return bitSet.get(keyCode);
}

From source file:QCodec.java

/**
 * Encodes an array of bytes into an array of quoted-printable 7-bit characters. Unsafe characters are escaped.
 * //from ww  w. ja va 2s . co  m
 * <p>
 * This function implements a subset of quoted-printable encoding specification (rule #1 and rule #2) as defined in
 * RFC 1521 and is suitable for encoding binary data and unformatted text.
 * </p>
 * 
 * @param printable
 *                  bitset of characters deemed quoted-printable
 * @param bytes
 *                  array of bytes to be encoded
 * @return array of bytes containing quoted-printable data
 */
public static final byte[] encodeQuotedPrintable(BitSet printable, byte[] bytes) {
    if (bytes == null) {
        return null;
    }
    if (printable == null) {
        printable = PRINTABLE_CHARS;
    }
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    for (int i = 0; i < bytes.length; i++) {
        int b = bytes[i];
        if (b < 0) {
            b = 256 + b;
        }
        if (printable.get(b)) {
            buffer.write(b);
        } else {
            encodeQuotedPrintable(b, buffer);
        }
    }
    return buffer.toByteArray();
}