private void checkAndFire()

in src/main/java/org/apache/commons/io/monitor/FileAlterationObserver.java [350:374]

• 25 lines of code
• 7 McCabe index (conditional complexity)

    private void checkAndFire(final FileEntry parentEntry, final FileEntry[] previousEntries, final File[] currentEntries) {
        int c = 0;
        final FileEntry[] actualEntries = currentEntries.length > 0 ? new FileEntry[currentEntries.length] : FileEntry.EMPTY_FILE_ENTRY_ARRAY;
        for (final FileEntry previousEntry : previousEntries) {
            while (c < currentEntries.length && comparator.compare(previousEntry.getFile(), currentEntries[c]) > 0) {
                actualEntries[c] = createFileEntry(parentEntry, currentEntries[c]);
                fireOnCreate(actualEntries[c]);
                c++;
            }
            if (c < currentEntries.length && comparator.compare(previousEntry.getFile(), currentEntries[c]) == 0) {
                fireOnChange(previousEntry, currentEntries[c]);
                checkAndFire(previousEntry, previousEntry.getChildren(), listFiles(currentEntries[c]));
                actualEntries[c] = previousEntry;
                c++;
            } else {
                checkAndFire(previousEntry, previousEntry.getChildren(), FileUtils.EMPTY_FILE_ARRAY);
                fireOnDelete(previousEntry);
            }
        }
        for (; c < currentEntries.length; c++) {
            actualEntries[c] = createFileEntry(parentEntry, currentEntries[c]);
            fireOnCreate(actualEntries[c]);
        }
        parentEntry.setChildren(actualEntries);
    }