private void parsePaletteEntries(final XpmHeader xpmHeader, final BasicCParser cParser) throws IOException, ImagingException {
        final StringBuilder row = new StringBuilder();
        for (int i = 0; i < xpmHeader.numColors; i++) {
            row.setLength(0);
            final boolean hasMore = parseNextString(cParser, row);
            if (!hasMore) {
                throw new ImagingException("Parsing XPM file failed, " + "file ended while reading palette");
            }
            final String name = row.substring(0, xpmHeader.numCharsPerPixel);
            final String[] tokens = BasicCParser.tokenizeRow(row.substring(xpmHeader.numCharsPerPixel));
            final PaletteEntry paletteEntry = new PaletteEntry();
            paletteEntry.index = i;
            int previousKeyIndex = Integer.MIN_VALUE;
            final StringBuilder colorBuffer = new StringBuilder();
            for (int j = 0; j < tokens.length; j++) {
                final String token = tokens[j];
                boolean isKey = false;
                if (previousKeyIndex < j - 1 && "m".equals(token) || "g4".equals(token) || "g".equals(token) || "c".equals(token) || "s".equals(token)) {
                    isKey = true;
                }
                if (isKey) {
                    if (previousKeyIndex >= 0) {
                        final String key = tokens[previousKeyIndex];
                        final String color = colorBuffer.toString();
                        colorBuffer.setLength(0);
                        populatePaletteEntry(paletteEntry, key, color);
                    }
                    previousKeyIndex = j;
                } else {
                    if (previousKeyIndex < 0) {
                        break;
                    }
                    if (colorBuffer.length() > 0) {
                        colorBuffer.append(' ');
                    }
                    colorBuffer.append(token);
                }
            }
            if (previousKeyIndex >= 0 && colorBuffer.length() > 0) {
                final String key = tokens[previousKeyIndex];
                final String color = colorBuffer.toString();
                colorBuffer.setLength(0);
                populatePaletteEntry(paletteEntry, key, color);
            }
            xpmHeader.palette.put(name, paletteEntry);
        }
    }
Constructs a new instance with the big-endian byte order.
src/main/java/org/apache/commons/imaging/formats/xpm/XpmImageParser.java