Examples with LeftoverDataException org.apache.poi.hssf.record.RecordInputStream.LeftoverDataException used on opensource projects

Example 1 with LeftoverDataException

use of org.apache.poi.hssf.record.RecordInputStream.LeftoverDataException in project poi by apache.

the class BiffViewer method createRecords.

/**
     *  Create an array of records from an input stream
     *
     * @param is the InputStream from which the records will be obtained
     * @param ps the PrintWriter to output the record data
     * @param recListener the record listener to notify about read records
     * @param dumpInterpretedRecords if {@code true}, the read records will be written to the PrintWriter
     *
     * @return an array of Records created from the InputStream
     * @exception  org.apache.poi.util.RecordFormatException  on error processing the InputStream
     */
public static Record[] createRecords(InputStream is, PrintWriter ps, BiffRecordListener recListener, boolean dumpInterpretedRecords) throws org.apache.poi.util.RecordFormatException {
    List<Record> temp = new ArrayList<Record>();
    RecordInputStream recStream = new RecordInputStream(is);
    while (true) {
        boolean hasNext;
        try {
            hasNext = recStream.hasNextRecord();
        } catch (LeftoverDataException e) {
            logger.log(POILogger.ERROR, "Discarding " + recStream.remaining() + " bytes and continuing", e);
            recStream.readRemainder();
            hasNext = recStream.hasNextRecord();
        }
        if (!hasNext) {
            break;
        }
        recStream.nextRecord();
        if (recStream.getSid() == 0) {
            continue;
        }
        Record record;
        if (dumpInterpretedRecords) {
            record = createRecord(recStream);
            if (record.getSid() == ContinueRecord.sid) {
                continue;
            }
            temp.add(record);
            for (String header : recListener.getRecentHeaders()) {
                ps.println(header);
            }
            ps.print(record);
        } else {
            recStream.readRemainder();
        }
        ps.println();
    }
    Record[] result = new Record[temp.size()];
    temp.toArray(result);
    return result;
}

Example 2 with LeftoverDataException

use of org.apache.poi.hssf.record.RecordInputStream.LeftoverDataException in project poi by apache.

the class TestBoolErrRecord method testOooBadFormat_bug47479.

/**
	 * Bugzilla 47479 was due to an apparent error in OOO which (as of version 3.0.1) 
	 * writes the <i>value</i> field of BOOLERR records as 2 bytes instead of 1.<br/>
	 * Coincidentally, the extra byte written is zero, which is exactly the value 
	 * required by the <i>isError</i> field.  This probably why Excel seems to have
	 * no problem.  OOO does not have the same bug for error values (which wouldn't
	 * work by the same coincidence). 
	 */
public void testOooBadFormat_bug47479() {
    byte[] data = HexRead.readFromString(// sid, size
    "05 02 09 00 " + // row, col, xfIndex
    "00 00 00 00 0F 00 " + // extra 00 byte here
    "01 00 00 ");
    RecordInputStream in = TestcaseRecordInputStream.create(data);
    BoolErrRecord ber = new BoolErrRecord(in);
    boolean hasMore;
    try {
        hasMore = in.hasNextRecord();
    } catch (LeftoverDataException e) {
        if ("Initialisation of record 0x205 left 1 bytes remaining still to be read.".equals(e.getMessage())) {
            throw new AssertionFailedError("Identified bug 47479");
        }
        throw e;
    }
    assertFalse(hasMore);
    assertTrue(ber.isBoolean());
    assertEquals(true, ber.getBooleanValue());
    // Check that the record re-serializes correctly
    byte[] outData = ber.serialize();
    byte[] expData = HexRead.readFromString("05 02 08 00 " + "00 00 00 00 0F 00 " + // normal number of data bytes
    "01 00 ");
    assertArrayEquals(expData, outData);
}