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- /*
- * SonarQube
- * Copyright (C) 2009-2020 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- package org.sonar.server.issue;
-
- import com.google.common.base.Function;
- import com.google.common.collect.Ordering;
- import java.util.Collection;
- import java.util.Date;
- import java.util.List;
- import javax.annotation.Nonnull;
- import org.sonar.api.rule.Severity;
- import org.sonar.db.issue.IssueDto;
- import org.sonar.server.issue.index.IssueQuery;
-
- /**
- * @since 3.6
- */
- class IssuesFinderSort {
-
- private List<IssueDto> issues;
- private IssueQuery query;
-
- public IssuesFinderSort(List<IssueDto> issues, IssueQuery query) {
- this.issues = issues;
- this.query = query;
- }
-
- public List<IssueDto> sort() {
- String sort = query.sort();
- Boolean asc = query.asc();
- if (sort != null && asc != null) {
- return getIssueProcessor(sort).sort(issues, asc);
- }
- return issues;
- }
-
- private static IssueProcessor getIssueProcessor(String sort) {
- if (IssueQuery.SORT_BY_SEVERITY.equals(sort)) {
- return new SeveritySortIssueProcessor();
- }
- if (IssueQuery.SORT_BY_STATUS.equals(sort)) {
- return new StatusSortIssueProcessor();
- }
- if (IssueQuery.SORT_BY_CREATION_DATE.equals(sort)) {
- return new CreationDateSortIssueProcessor();
- }
- if (IssueQuery.SORT_BY_UPDATE_DATE.equals(sort)) {
- return new UpdateDateSortIssueProcessor();
- }
- if (IssueQuery.SORT_BY_CLOSE_DATE.equals(sort)) {
- return new CloseDateSortIssueProcessor();
- }
- throw new IllegalArgumentException("Cannot sort on field : " + sort);
- }
-
- interface IssueProcessor {
- Function sortFieldFunction();
-
- Ordering sortFieldOrdering(boolean ascending);
-
- default List<IssueDto> sort(Collection<IssueDto> issueDtos, boolean ascending) {
- Ordering<IssueDto> ordering = sortFieldOrdering(ascending).onResultOf(sortFieldFunction());
- return ordering.immutableSortedCopy(issueDtos);
- }
- }
-
- abstract static class TextSortIssueProcessor implements IssueProcessor {
- @Override
- public Function sortFieldFunction() {
- return (Function<IssueDto, String>) this::sortField;
- }
-
- abstract String sortField(IssueDto issueDto);
-
- @Override
- public Ordering sortFieldOrdering(boolean ascending) {
- Ordering<String> ordering = Ordering.from(String.CASE_INSENSITIVE_ORDER).nullsLast();
- if (!ascending) {
- ordering = ordering.reverse();
- }
- return ordering;
- }
- }
-
- static class StatusSortIssueProcessor extends TextSortIssueProcessor {
- @Override
- String sortField(IssueDto issueDto) {
- return issueDto.getStatus();
- }
- }
-
- static class SeveritySortIssueProcessor implements IssueProcessor {
- @Override
- public Function sortFieldFunction() {
- return IssueDtoToSeverity.INSTANCE;
- }
-
- @Override
- public Ordering sortFieldOrdering(boolean ascending) {
- Ordering<Integer> ordering = Ordering.<Integer>natural().nullsLast();
- if (!ascending) {
- ordering = ordering.reverse();
- }
- return ordering;
- }
- }
-
- abstract static class DateSortRowProcessor implements IssueProcessor {
- @Override
- public Function sortFieldFunction() {
- return (Function<IssueDto, Date>) this::sortField;
- }
-
- abstract Date sortField(IssueDto issueDto);
-
- @Override
- public Ordering sortFieldOrdering(boolean ascending) {
- Ordering<Date> ordering = Ordering.<Date>natural().nullsLast();
- if (!ascending) {
- ordering = ordering.reverse();
- }
- return ordering;
- }
- }
-
- static class CreationDateSortIssueProcessor extends DateSortRowProcessor {
- @Override
- Date sortField(IssueDto issueDto) {
- return issueDto.getIssueCreationDate();
- }
- }
-
- static class UpdateDateSortIssueProcessor extends DateSortRowProcessor {
- @Override
- Date sortField(IssueDto issueDto) {
- return issueDto.getIssueUpdateDate();
- }
- }
-
- static class CloseDateSortIssueProcessor extends DateSortRowProcessor {
- @Override
- Date sortField(IssueDto issueDto) {
- return issueDto.getIssueCloseDate();
- }
- }
-
- private enum IssueDtoToSeverity implements Function<IssueDto, Integer> {
- INSTANCE;
-
- @Override
- public Integer apply(@Nonnull IssueDto issueDto) {
- return Severity.ALL.indexOf(issueDto.getSeverity());
- }
- }
- }
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