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- /*
- * SonarQube
- * Copyright (C) 2009-2021 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.ce.task.projectanalysis.step;
-
- import java.util.List;
- import java.util.Optional;
- import org.sonar.ce.task.projectanalysis.component.CrawlerDepthLimit;
- import org.sonar.ce.task.projectanalysis.component.PathAwareCrawler;
- import org.sonar.ce.task.projectanalysis.component.TreeRootHolder;
- import org.sonar.ce.task.projectanalysis.formula.Counter;
- import org.sonar.ce.task.projectanalysis.formula.CounterInitializationContext;
- import org.sonar.ce.task.projectanalysis.formula.CreateMeasureContext;
- import org.sonar.ce.task.projectanalysis.formula.Formula;
- import org.sonar.ce.task.projectanalysis.formula.FormulaExecutorComponentVisitor;
- import org.sonar.ce.task.projectanalysis.formula.counter.IntSumCounter;
- import org.sonar.ce.task.projectanalysis.formula.counter.SumCounter;
- import org.sonar.ce.task.projectanalysis.measure.Measure;
- import org.sonar.ce.task.projectanalysis.measure.MeasureRepository;
- import org.sonar.ce.task.projectanalysis.metric.Metric;
- import org.sonar.ce.task.projectanalysis.metric.MetricRepository;
- import org.sonar.ce.task.step.ComputationStep;
-
- import static org.sonar.api.measures.CoreMetrics.COMMENT_LINES_DENSITY_KEY;
- import static org.sonar.api.measures.CoreMetrics.COMMENT_LINES_KEY;
- import static org.sonar.api.measures.CoreMetrics.NCLOC_KEY;
- import static org.sonar.api.measures.CoreMetrics.PUBLIC_API_KEY;
- import static org.sonar.api.measures.CoreMetrics.PUBLIC_DOCUMENTED_API_DENSITY_KEY;
- import static org.sonar.api.measures.CoreMetrics.PUBLIC_UNDOCUMENTED_API_KEY;
-
- /**
- * Computes comments measures on files and then aggregates them on higher components.
- */
- public class CommentMeasuresStep implements ComputationStep {
-
- private final TreeRootHolder treeRootHolder;
- private final MetricRepository metricRepository;
- private final MeasureRepository measureRepository;
- private final List<Formula> formulas;
-
- public CommentMeasuresStep(TreeRootHolder treeRootHolder, MetricRepository metricRepository, MeasureRepository measureRepository) {
- this.treeRootHolder = treeRootHolder;
- this.metricRepository = metricRepository;
- this.measureRepository = measureRepository;
- this.formulas = List.of(
- new DocumentationFormula(),
- new CommentDensityFormula()
- );
- }
-
- @Override
- public void execute(ComputationStep.Context context) {
- new PathAwareCrawler<>(
- FormulaExecutorComponentVisitor.newBuilder(metricRepository, measureRepository).buildFor(formulas))
- .visit(treeRootHolder.getRoot());
- }
-
- private class CommentDensityFormula implements Formula<IntSumCounter> {
-
- private final Metric nclocMetric;
-
- public CommentDensityFormula() {
- this.nclocMetric = metricRepository.getByKey(NCLOC_KEY);
- }
-
- @Override
- public IntSumCounter createNewCounter() {
- return new IntSumCounter(COMMENT_LINES_KEY);
- }
-
- @Override
- public Optional<Measure> createMeasure(IntSumCounter counter, CreateMeasureContext context) {
- Optional<Measure> measure = createCommentLinesMeasure(counter, context);
- return measure.isPresent() ? measure : createCommentLinesDensityMeasure(counter, context);
- }
-
- private Optional<Measure> createCommentLinesMeasure(SumCounter counter, CreateMeasureContext context) {
- Optional<Integer> commentLines = counter.getValue();
- if (COMMENT_LINES_KEY.equals(context.getMetric().getKey())
- && commentLines.isPresent()
- && CrawlerDepthLimit.LEAVES.isDeeperThan(context.getComponent().getType())) {
- return Optional.of(Measure.newMeasureBuilder().create(commentLines.get()));
- }
- return Optional.empty();
- }
-
- private Optional<Measure> createCommentLinesDensityMeasure(SumCounter counter, CreateMeasureContext context) {
- if (COMMENT_LINES_DENSITY_KEY.equals(context.getMetric().getKey())) {
- Optional<Measure> nclocsOpt = measureRepository.getRawMeasure(context.getComponent(), nclocMetric);
- Optional<Integer> commentsOpt = counter.getValue();
- if (nclocsOpt.isPresent() && commentsOpt.isPresent()) {
- double nclocs = nclocsOpt.get().getIntValue();
- double comments = commentsOpt.get();
- double divisor = nclocs + comments;
- if (divisor > 0D) {
- double value = 100D * (comments / divisor);
- return Optional.of(Measure.newMeasureBuilder().create(value, context.getMetric().getDecimalScale()));
- }
- }
- }
- return Optional.empty();
- }
-
- @Override
- public String[] getOutputMetricKeys() {
- return new String[] {COMMENT_LINES_KEY, COMMENT_LINES_DENSITY_KEY};
- }
- }
-
- private static class DocumentationFormula implements Formula<DocumentationCounter> {
-
- @Override
- public DocumentationCounter createNewCounter() {
- return new DocumentationCounter();
- }
-
- @Override
- public Optional<Measure> createMeasure(DocumentationCounter counter, CreateMeasureContext context) {
- Optional<Measure> measure = getMeasure(context, counter.getPublicApiValue(), PUBLIC_API_KEY);
- if (measure.isPresent()) {
- return measure;
- }
- measure = getMeasure(context, counter.getPublicUndocumentedApiValue(), PUBLIC_UNDOCUMENTED_API_KEY);
- return measure.isPresent() ? measure : getDensityMeasure(counter, context);
- }
-
- private static Optional<Measure> getMeasure(CreateMeasureContext context, Optional<Integer> metricValue, String metricKey) {
- if (context.getMetric().getKey().equals(metricKey) && metricValue.isPresent()
- && CrawlerDepthLimit.LEAVES.isDeeperThan(context.getComponent().getType())) {
- return Optional.of(Measure.newMeasureBuilder().create(metricValue.get()));
- }
- return Optional.empty();
- }
-
- private static Optional<Measure> getDensityMeasure(DocumentationCounter counter, CreateMeasureContext context) {
- if (context.getMetric().getKey().equals(PUBLIC_DOCUMENTED_API_DENSITY_KEY) && counter.getPublicApiValue().isPresent()
- && counter.getPublicUndocumentedApiValue().isPresent()) {
- double publicApis = counter.getPublicApiValue().get();
- double publicUndocumentedApis = counter.getPublicUndocumentedApiValue().get();
- if (publicApis > 0D) {
- double documentedAPI = publicApis - publicUndocumentedApis;
- double value = 100D * (documentedAPI / publicApis);
- return Optional.of(Measure.newMeasureBuilder().create(value, context.getMetric().getDecimalScale()));
- }
- }
- return Optional.empty();
- }
-
- @Override
- public String[] getOutputMetricKeys() {
- return new String[] {PUBLIC_API_KEY, PUBLIC_UNDOCUMENTED_API_KEY, PUBLIC_DOCUMENTED_API_DENSITY_KEY};
- }
- }
-
- private static class DocumentationCounter implements Counter<DocumentationCounter> {
-
- private final SumCounter publicApiCounter;
- private final SumCounter publicUndocumentedApiCounter;
-
- public DocumentationCounter() {
- this.publicApiCounter = new IntSumCounter(PUBLIC_API_KEY);
- this.publicUndocumentedApiCounter = new IntSumCounter(PUBLIC_UNDOCUMENTED_API_KEY);
- }
-
- @Override
- public void aggregate(DocumentationCounter counter) {
- publicApiCounter.aggregate(counter.publicApiCounter);
- publicUndocumentedApiCounter.aggregate(counter.publicUndocumentedApiCounter);
- }
-
- @Override
- public void initialize(CounterInitializationContext context) {
- publicApiCounter.initialize(context);
- publicUndocumentedApiCounter.initialize(context);
- }
-
- public Optional<Integer> getPublicApiValue() {
- return publicApiCounter.getValue();
- }
-
- public Optional<Integer> getPublicUndocumentedApiValue() {
- return publicUndocumentedApiCounter.getValue();
- }
- }
-
- @Override
- public String getDescription() {
- return "Compute comment measures";
- }
- }
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