static void cleanup()

in src/main/java/org/apache/sling/event/impl/jobs/tasks/HistoryCleanUpTask.java [120:255]
111 lines of code
50 McCabe index (conditional complexity)

    static void cleanup(final Calendar removeDate,
            final ResourceResolver resolver,
            final JobExecutionContext context,
            final String basePath,
            final String[] topics,
            final List<String> stateList)
    throws PersistenceException {
        final Resource baseResource = resolver.getResource(basePath);
        // sanity check - should never be null
        if ( baseResource != null ) {
            final Iterator<Resource> topicIter = baseResource.listChildren();
            while ( !context.isStopped() && topicIter.hasNext() ) {
                final Resource topicResource = topicIter.next();

                // check topic
                boolean found = topics == null;
                int index = 0;
                while ( !found && index < topics.length ) {
                    if ( topicResource.getName().equals(topics[index]) ) {
                        found = true;
                    }
                    index++;
                }
                if ( !found ) {
                    continue;
                }

                final int removeYear = removeDate.get(Calendar.YEAR);
                final int removeMonth = removeDate.get(Calendar.MONTH) + 1;
                final int removeDay = removeDate.get(Calendar.DAY_OF_MONTH);
                final int removeHour = removeDate.get(Calendar.HOUR_OF_DAY);
                final int removeMinute = removeDate.get(Calendar.MINUTE);

                // start with years
                final Iterator<Resource> yearIter = topicResource.listChildren();
                while ( !context.isStopped() && yearIter.hasNext() ) {
                    final Resource yearResource = yearIter.next();
                    final int year = Integer.valueOf(yearResource.getName());
                    if ( year > removeYear ) {
                        continue;
                    }
                    final boolean oldYear = year < removeYear;

                    // months
                    final Iterator<Resource> monthIter = yearResource.listChildren();
                    while ( !context.isStopped() && monthIter.hasNext() ) {
                        final Resource monthResource = monthIter.next();
                        final int month = Integer.valueOf(monthResource.getName());
                        if ( !oldYear && month > removeMonth) {
                            continue;
                        }
                        final boolean oldMonth = oldYear || month < removeMonth;

                        // days
                        final Iterator<Resource> dayIter = monthResource.listChildren();
                        while ( !context.isStopped() && dayIter.hasNext() ) {
                            final Resource dayResource = dayIter.next();
                            final int day = Integer.valueOf(dayResource.getName());
                            if ( !oldMonth && day > removeDay) {
                                continue;
                            }
                            final boolean oldDay = oldMonth || day < removeDay;

                            // hours
                            final Iterator<Resource> hourIter = dayResource.listChildren();
                            while ( !context.isStopped() && hourIter.hasNext() ) {
                                final Resource hourResource = hourIter.next();
                                final int hour = Integer.valueOf(hourResource.getName());
                                if ( !oldDay && hour > removeHour) {
                                    continue;
                                }
                                final boolean oldHour = oldDay || hour < removeHour;

                                // minutes
                                final Iterator<Resource> minuteIter = hourResource.listChildren();
                                while ( !context.isStopped() && minuteIter.hasNext() ) {
                                    final Resource minuteResource = minuteIter.next();

                                    // check if we can delete the minute
                                    final int minute = Integer.valueOf(minuteResource.getName());
                                    final boolean oldMinute = oldHour || minute <= removeMinute;

                                    if ( oldMinute ) {
                                        final Iterator<Resource> jobIter = minuteResource.listChildren();
                                        while ( !context.isStopped() && jobIter.hasNext() ) {
                                            final Resource jobResource = jobIter.next();
                                            boolean remove = stateList == null;
                                            if ( !remove ) {
                                                final ValueMap vm = ResourceUtil.getValueMap(jobResource);
                                                final String state = vm.get(JobImpl.PROPERTY_FINISHED_STATE, String.class);
                                                if ( state != null && stateList.contains(state) ) {
                                                    remove = true;
                                                }
                                            }
                                            if ( remove ) {
                                                resolver.delete(jobResource);
                                                resolver.commit();
                                            }
                                        }
                                        // check if we can delete the minute
                                        if ( !context.isStopped() && !minuteResource.listChildren().hasNext()) {
                                            resolver.delete(minuteResource);
                                            resolver.commit();
                                        }
                                    }
                                }

                                // check if we can delete the hour
                                if ( !context.isStopped() && oldHour && !hourResource.listChildren().hasNext()) {
                                    resolver.delete(hourResource);
                                    resolver.commit();
                                }
                            }
                            // check if we can delete the day
                            if ( !context.isStopped() && oldDay && !dayResource.listChildren().hasNext()) {
                                resolver.delete(dayResource);
                                resolver.commit();
                            }
                        }

                        // check if we can delete the month
                        if ( !context.isStopped() && oldMonth && !monthResource.listChildren().hasNext() ) {
                            resolver.delete(monthResource);
                            resolver.commit();
                        }
                    }

                    // check if we can delete the year
                    if ( !context.isStopped() && oldYear && !yearResource.listChildren().hasNext() ) {
                        resolver.delete(yearResource);
                        resolver.commit();
                    }
                }
            }
        }
    }