Method addPage

src/main/java/org/htmlunit/History.java:250–281

Adds a new page to the navigation history. @param page the page to add to the navigation history @return the created history entry

(final Page page)

     * @return the created history entry
     */
    protected HistoryEntry addPage(final Page page) {
        final Boolean ignoreNewPages = ignoreNewPages_.get();
        if (ignoreNewPages != null && ignoreNewPages.booleanValue()) {
            return null;
        }

        final int sizeLimit = window_.getWebClient().getOptions().getHistorySizeLimit();
        if (sizeLimit <= 0) {
            entries_.clear();
            index_ = -1;
            return null;
        }

        index_++;
        while (entries_.size() > index_) {
            entries_.remove(index_);
        }
        while (entries_.size() >= sizeLimit) {
            entries_.remove(0);
            index_--;
        }

        final HistoryEntry entry = new HistoryEntry(page);
        entries_.add(entry);

        final int cacheLimit = Math.max(window_.getWebClient().getOptions().getHistoryPageCacheLimit(), 0);
        if (entries_.size() > cacheLimit) {
            entries_.get(entries_.size() - cacheLimit - 1).clearPage();
        }

        return entry;
    }

    /**
     * Loads the URL at the current index into the window to which this navigation history belongs.