Package org.apache.tika.parser.chm.exception

Examples of org.apache.tika.parser.chm.exception.ChmParsingException

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    }

    private long unmarshalUInt32(byte[] data, long dest) throws ChmParsingException {
        assert (data != null && data.length > 0);
        if (4 > getDataRemained())
            throw new ChmParsingException("4 > dataLenght");
        dest = data[this.getCurrentPlace()]
                | data[this.getCurrentPlace() + 1] << 8
                | data[this.getCurrentPlace() + 2] << 16
                | data[this.getCurrentPlace() + 3] << 24;
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    }

    // @Override
    public void parse(byte[] data, ChmLzxcControlData chmLzxcControlData) throws TikaException {
        if (data == null || (data.length < ChmConstants.CHM_LZXC_MIN_LEN))
            throw new ChmParsingException("we want at least 0x18 bytes");
        chmLzxcControlData.setDataRemained(data.length);
        chmLzxcControlData.setSize(unmarshalUInt32(data, chmLzxcControlData.getSize()));
        chmLzxcControlData.unmarshalCharArray(data, chmLzxcControlData,
                ChmConstants.CHM_SIGNATURE_LEN);
        chmLzxcControlData.setVersion(unmarshalUInt32(data,
                chmLzxcControlData.getVersion()));
        chmLzxcControlData.setResetInterval(unmarshalUInt32(data,
                chmLzxcControlData.getResetInterval()));
        chmLzxcControlData.setWindowSize(unmarshalUInt32(data,
                chmLzxcControlData.getWindowSize()));
        chmLzxcControlData.setWindowsPerReset(unmarshalUInt32(data,
                chmLzxcControlData.getWindowsPerReset()));

        if (data.length >= ChmConstants.CHM_LZXC_V2_LEN)
            chmLzxcControlData.setUnknown_18(unmarshalUInt32(data,
                    chmLzxcControlData.getUnknown_18()));
        else
            chmLzxcControlData.setUnknown_18(0);

        if (chmLzxcControlData.getVersion() == 2) {
            chmLzxcControlData.setWindowSize(getWindowSize()
                    * ChmConstants.CHM_WINDOW_SIZE_BLOCK);
        }

        if (chmLzxcControlData.getWindowSize() == 0
                || chmLzxcControlData.getResetInterval() == 0)
            throw new ChmParsingException(
                    "window size / resetInterval should be more than zero");

        if (chmLzxcControlData.getWindowSize() == 1)
            throw new ChmParsingException(
                    "window size / resetInterval should be more than 1");

        /* checks a signature */
        if (!new String(chmLzxcControlData.getSignature())
                .equals(ChmConstants.LZXC))
            throw new ChmParsingException(
                    "the signature does not seem to be correct");
    }
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    private long unmarshalUInt32(byte[] data, long dest) throws ChmParsingException {
        ChmAssert.assertByteArrayNotNull(data);

        if (4 > getDataRemained())
            throw new ChmParsingException("4 > dataLenght");
        dest = data[this.getCurrentPlace()]
                | data[this.getCurrentPlace() + 1] << 8
                | data[this.getCurrentPlace() + 2] << 16
                | data[this.getCurrentPlace() + 3] << 24;
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        /* Preprocessing */
        if (pattern != null && text != null) {
            next = new int[pattern.length];
            next[0] = -1;
        } else
            throw new ChmParsingException("pattern and/or text should not be null");

        /* Computes a failure function */
        while (i < pattern.length - 1) {
            if (j == -1 || pattern[i] == pattern[j]) {
                i++;
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    }

    private void createMainTreeLenTable(int offset, int tablelen,
            short[] pretreetable, short[] prelentable) throws TikaException {
        if (pretreetable == null)
            throw new ChmParsingException("pretreetable is null");
        int i = offset;
        int z, y, x;
        while (i < tablelen) {
            int f = getChmSection().getDesyncBits(
                    ChmConstants.LZX_PRETREE_TABLEBITS, 0);
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        }
    }

    private void assertInRange(short[] array, int index) throws ChmParsingException {
        if (index >= array.length)
            throw new ChmParsingException(index + " is bigger than "
                    + array.length);
    }
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            byte[] dataSegment, long blockLength) throws TikaException {
        int goodParameter = 0;
        if (blockNumber >= 0)
            ++goodParameter;
        else
            throw new ChmParsingException("block number should be possitive");
        if (dataSegment != null && dataSegment.length > 0)
            ++goodParameter;
        else
            throw new ChmParsingException("data segment should not be null");
        if (blockLength > 0)
            ++goodParameter;
        else
            throw new ChmParsingException(
                    "block length should be more than zero");
        return (goodParameter == 3);
    }
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     */
    protected ChmBlockInfo getChmBlockInfo(DirectoryListingEntry dle,
            int bytesPerBlock, ChmLzxcControlData clcd,
            ChmBlockInfo chmBlockInfo) throws TikaException {
        if (!validateParameters(dle, bytesPerBlock, clcd, chmBlockInfo))
            throw new ChmParsingException("Please check you parameters");

        chmBlockInfo.setStartBlock(dle.getOffset() / bytesPerBlock);
        chmBlockInfo.setEndBlock((dle.getOffset() + dle.getLength())
                / bytesPerBlock);
        chmBlockInfo.setStartOffset(dle.getOffset() % bytesPerBlock);
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    protected short[] getLengthTreeTable() throws TikaException {
        if (lengthTreeTable != null)
            return this.lengthTreeTable;
        else
            throw new ChmParsingException("lengthTreeTable is null");
    }
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            int position_slots;
            int win = ChmCommons.getWindowSize(window);
            setWindowSize(1 << win);
            /* LZX supports window sizes of 2^15 (32Kb) through 2^21 (2Mb) */
            if (win < 15 || win > 21)
                throw new ChmParsingException("window less than 15 or window greater than 21");

            /* Calculates required position slots */
            if (win == 20)
                position_slots = 42;
            else if (win == 21)
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Related Classes of org.apache.tika.parser.chm.exception.ChmParsingException

  • org.apache.tika.parser.chm.accessor.ChmItsfHeader
  • org.apache.tika.parser.chm.accessor.ChmItspHeader
  • org.apache.tika.parser.chm.accessor.ChmLzxcControlData
  • org.apache.tika.parser.chm.accessor.ChmLzxcResetTable
  • org.apache.tika.parser.chm.accessor.ChmPmgiHeader
  • org.apache.tika.parser.chm.accessor.ChmPmglHeader
  • org.apache.tika.parser.chm.assertion.ChmAssert
  • org.apache.tika.parser.chm.core.ChmCommons
  • org.apache.tika.parser.chm.lzx.ChmBlockInfo
  • org.apache.tika.parser.chm.lzx.ChmLzxBlock
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