FileDocCategorySizeDatePackage
PAPBinTable.javaAPI DocApache Poi 3.0.16309Mon Jan 01 18:55:34 GMT 2007org.apache.poi.hwpf.model

PAPBinTable

public class PAPBinTable extends Object
This class represents the bin table of Word document but it also serves as a holder for all of the paragraphs of document that have been loaded into memory.
author
Ryan Ackley

Fields Summary
protected ArrayList
_paragraphs
byte[]
_dataStream
Constructors Summary
public PAPBinTable()
public PAPBinTable(byte[] documentStream, byte[] tableStream, byte[] dataStream, int offset, int size, int fcMin)

    PlexOfCps binTable = new PlexOfCps(tableStream, offset, size, 4);

    int length = binTable.length();
    for (int x = 0; x < length; x++)
    {
      GenericPropertyNode node = binTable.getProperty(x);

      int pageNum = LittleEndian.getInt(node.getBytes());
      int pageOffset = POIFSConstants.BIG_BLOCK_SIZE * pageNum;

      PAPFormattedDiskPage pfkp = new PAPFormattedDiskPage(documentStream,
        dataStream, pageOffset, fcMin);

      int fkpSize = pfkp.size();

      for (int y = 0; y < fkpSize; y++)
      {
        _paragraphs.add(pfkp.getPAPX(y));
      }
    }
    _dataStream = dataStream;
Methods Summary
public voidadjustForDelete(int listIndex, int offset, int length)

    int size = _paragraphs.size();
    int endMark = offset + length;
    int endIndex = listIndex;

    PAPX papx = (PAPX)_paragraphs.get(endIndex);
    while (papx.getEnd() < endMark)
    {
      papx = (PAPX)_paragraphs.get(++endIndex);
    }
    if (listIndex == endIndex)
    {
      papx = (PAPX)_paragraphs.get(endIndex);
      papx.setEnd((papx.getEnd() - endMark) + offset);
    }
    else
    {
      papx = (PAPX)_paragraphs.get(listIndex);
      papx.setEnd(offset);
      for (int x = listIndex + 1; x < endIndex; x++)
      {
        papx = (PAPX)_paragraphs.get(x);
        papx.setStart(offset);
        papx.setEnd(offset);
      }
      papx = (PAPX)_paragraphs.get(endIndex);
      papx.setEnd((papx.getEnd() - endMark) + offset);
    }

    for (int x = endIndex + 1; x < size; x++)
    {
      papx = (PAPX)_paragraphs.get(x);
      papx.setStart(papx.getStart() - length);
      papx.setEnd(papx.getEnd() - length);
    }
public voidadjustForInsert(int listIndex, int length)

    int size = _paragraphs.size();
    PAPX papx = (PAPX)_paragraphs.get(listIndex);
    papx.setEnd(papx.getEnd() + length);

    for (int x = listIndex + 1; x < size; x++)
    {
      papx = (PAPX)_paragraphs.get(x);
      papx.setStart(papx.getStart() + length);
      papx.setEnd(papx.getEnd() + length);
    }
public java.util.ArrayListgetParagraphs()

    return _paragraphs;
public voidinsert(int listIndex, int cpStart, org.apache.poi.hwpf.sprm.SprmBuffer buf)

    PAPX forInsert = new PAPX(cpStart, cpStart, buf, _dataStream);
    if (listIndex == _paragraphs.size())
    {
       _paragraphs.add(forInsert);
    }
    else
    {
      PAPX currentPap = (PAPX)_paragraphs.get(listIndex);
      if (currentPap != null && currentPap.getStart() < cpStart)
      {
        SprmBuffer clonedBuf = null;
        try
        {
          clonedBuf = (SprmBuffer)currentPap.getSprmBuf().clone();
        }
        catch (CloneNotSupportedException exc)
        {
          exc.printStackTrace();
        }
        currentPap.setEnd(cpStart);
        PAPX splitPap = new PAPX(cpStart, currentPap.getEnd(), clonedBuf, _dataStream);
        _paragraphs.add(++listIndex, forInsert);
        _paragraphs.add(++listIndex, splitPap);
      }
      else
      {
        _paragraphs.add(listIndex, forInsert);
      }
    }
public voidwriteTo(org.apache.poi.hwpf.model.io.HWPFFileSystem sys, int fcMin)


    HWPFOutputStream docStream = sys.getStream("WordDocument");
    OutputStream tableStream = sys.getStream("1Table");

    PlexOfCps binTable = new PlexOfCps(4);

    // each FKP must start on a 512 byte page.
    int docOffset = docStream.getOffset();
    int mod = docOffset % POIFSConstants.BIG_BLOCK_SIZE;
    if (mod != 0)
    {
      byte[] padding = new byte[POIFSConstants.BIG_BLOCK_SIZE - mod];
      docStream.write(padding);
    }

    // get the page number for the first fkp
    docOffset = docStream.getOffset();
    int pageNum = docOffset/POIFSConstants.BIG_BLOCK_SIZE;

    // get the ending fc
    int endingFc = ((PropertyNode)_paragraphs.get(_paragraphs.size() - 1)).getEnd();
    endingFc += fcMin;


    ArrayList overflow = _paragraphs;
    do
    {
      PropertyNode startingProp = (PropertyNode)overflow.get(0);
      int start = startingProp.getStart() + fcMin;

      PAPFormattedDiskPage pfkp = new PAPFormattedDiskPage(_dataStream);
      pfkp.fill(overflow);

      byte[] bufFkp = pfkp.toByteArray(fcMin);
      docStream.write(bufFkp);
      overflow = pfkp.getOverflow();

      int end = endingFc;
      if (overflow != null)
      {
        end = ((PropertyNode)overflow.get(0)).getStart() + fcMin;
      }

      byte[] intHolder = new byte[4];
      LittleEndian.putInt(intHolder, pageNum++);
      binTable.addProperty(new GenericPropertyNode(start, end, intHolder));

    }
    while (overflow != null);
    tableStream.write(binTable.toByteArray());