PageLabelUtils.java 文件源码

/**
 * Maps a map of {@link PdfPageLabel} to a {@link PdfPageLabels} instance that can be used as input for the PdfCopy.
 * 
 * @param labels
 * @param totalPages
 * @return the resulting {@link PdfPageLabels}
 */
public static PdfPageLabels getLabels(Map<Integer, PdfPageLabel> labels, int totalPages) {
    PdfPageLabels retVal = new PdfPageLabels();
    for (Entry<Integer, PdfPageLabel> entry : labels.entrySet()) {
        PdfPageLabel label;
        if (entry.getKey() <= totalPages) {
            label = entry.getValue();
            retVal.addPageLabel(entry.getKey(), PAGE_NUMBERS_STYLES.get(label.getNumberingStyle()),
                    label.getLabelPrefix(), label.getLogicalPageNumber());
        } else {
            LOG.warn("Page number out of rage, {} will be ignored.", entry.getValue());
        }
    }
    return retVal;
}