Example usage for org.apache.poi.util LittleEndian putInt

Introduction

In this page you can find the example usage for org.apache.poi.util LittleEndian putInt.

Prototype

public static void putInt(byte[] data, int offset, int value) 

Source Link

Document

put an int value into a byte array

Usage

From source file:org.ddt.ByteArrayUtils.java

License:Apache License

public static byte[] addInt(byte[] dest, int i) {
    byte[] result = Arrays.copyOf(dest, dest.length + 4);
    LittleEndian.putInt(result, dest.length, i);
    return result;
}

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From source file:org.textmining.extraction.word.model.CHPFormattedDiskPage.java

License:Open Source License

public byte[] toByteArray(int fcMin) {
    byte[] buf = new byte[512];
    int size = _chpxList.size();
    int grpprlOffset = 511;
    int offsetOffset = 0;
    int fcOffset = 0;

    // total size is currently the size of one FC
    int totalSize = FC_SIZE + 2;

    int index = _currentIndex;
    for (; index < size; index++) {
        int grpprlLength = ((CHPX) _chpxList.get(index)).getGrpprl().length;

        // check to see if we have enough room for an FC, the grpprl offset,
        // the grpprl size byte and the grpprl.
        totalSize += (FC_SIZE + 2 + grpprlLength);
        // if size is uneven we will have to add one so the first grpprl falls
        // on a word boundary
        if (totalSize > 511 + (index % 2)) {
            totalSize -= (FC_SIZE + 2 + grpprlLength);
            break;
        }// ww w .j a v  a  2  s .c  o  m

        // grpprls must fall on word boundaries
        if ((1 + grpprlLength) % 2 > 0) {
            totalSize += 1;
        }
    }

    _currentIndex = index;

    // index should equal number of CHPXs that will be in this fkp now.
    buf[511] = (byte) index;

    offsetOffset = (FC_SIZE * index) + FC_SIZE;
    //grpprlOffset =  offsetOffset + index + (grpprlOffset % 2);

    CHPX chpx = null;
    for (int x = 0; x < index; x++) {
        chpx = (CHPX) _chpxList.get(x);
        byte[] grpprl = chpx.getGrpprl();

        LittleEndian.putInt(buf, fcOffset, chpx.getStart() + fcMin);
        grpprlOffset -= (1 + grpprl.length);
        grpprlOffset -= (grpprlOffset % 2);
        buf[offsetOffset] = (byte) (grpprlOffset / 2);
        buf[grpprlOffset] = (byte) grpprl.length;
        System.arraycopy(grpprl, 0, buf, grpprlOffset + 1, grpprl.length);

        offsetOffset += 1;
        fcOffset += FC_SIZE;
    }
    // put the last chpx's end in
    LittleEndian.putInt(buf, fcOffset, chpx.getEnd() + fcMin);
    return buf;
}

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From source file:org.textmining.extraction.word.model.PieceDescriptor.java

License:Open Source License

protected byte[] toByteArray() {
    // set up the fc
    int tempFc = fc;
    if (!unicode) {
        tempFc *= 2;/*from   w w w  .ja  v a  2s.  c o m*/
        tempFc |= (0x40000000);
    }

    int offset = 0;
    byte[] buf = new byte[8];
    LittleEndian.putShort(buf, offset, descriptor);
    offset += LittleEndian.SHORT_SIZE;
    LittleEndian.putInt(buf, offset, tempFc);
    offset += LittleEndian.INT_SIZE;
    LittleEndian.putShort(buf, offset, prm);

    return buf;

}

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From source file:org.textmining.extraction.word.model.PlexOfCps.java

License:Open Source License

public byte[] toByteArray() {
    int size = _props.size();
    int cpBufSize = ((size + 1) * LittleEndian.INT_SIZE);
    int structBufSize = +(_sizeOfStruct * size);
    int bufSize = cpBufSize + structBufSize;

    byte[] buf = new byte[bufSize];

    GenericPropertyNode node = null;//from  w  w  w . j  a  v a 2 s . c  om
    for (int x = 0; x < size; x++) {
        node = (GenericPropertyNode) _props.get(x);

        // put the starting offset of the property into the plcf.
        LittleEndian.putInt(buf, (LittleEndian.INT_SIZE * x), node.getStart());

        // put the struct into the plcf
        System.arraycopy(node.getBytes(), 0, buf, cpBufSize + (x * _sizeOfStruct), _sizeOfStruct);
    }
    // put the ending offset of the last property into the plcf.
    LittleEndian.putInt(buf, LittleEndian.INT_SIZE * size, node.getEnd());

    return buf;

}

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