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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.ce.task.projectanalysis.step;
-
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.List;
- import java.util.function.Function;
- import java.util.stream.Collectors;
- import javax.annotation.Nonnull;
- import org.sonar.api.utils.log.Logger;
- import org.sonar.api.utils.log.Loggers;
- import org.sonar.ce.task.projectanalysis.analysis.Analysis;
- import org.sonar.ce.task.projectanalysis.analysis.AnalysisMetadataHolder;
- import org.sonar.ce.task.projectanalysis.batch.BatchReportReader;
- import org.sonar.ce.task.projectanalysis.component.Component;
- import org.sonar.ce.task.projectanalysis.component.CrawlerDepthLimit;
- import org.sonar.ce.task.projectanalysis.component.DepthTraversalTypeAwareCrawler;
- import org.sonar.ce.task.projectanalysis.component.TreeRootHolder;
- import org.sonar.ce.task.projectanalysis.component.TypeAwareVisitorAdapter;
- import org.sonar.ce.task.projectanalysis.duplication.CrossProjectDuplicationStatusHolder;
- import org.sonar.ce.task.projectanalysis.duplication.IntegrateCrossProjectDuplications;
- import org.sonar.ce.task.step.ComputationStep;
- import org.sonar.core.util.CloseableIterator;
- import org.sonar.db.DbClient;
- import org.sonar.db.DbSession;
- import org.sonar.db.duplication.DuplicationUnitDto;
- import org.sonar.duplications.block.Block;
- import org.sonar.duplications.block.ByteArray;
- import org.sonar.scanner.protocol.output.ScannerReport.CpdTextBlock;
-
- /**
- * Feed the duplications repository from the cross project duplication blocks computed with duplications blocks of the analysis report.
- * Blocks can be empty if :
- * - The file is excluded from the analysis using {@link org.sonar.api.CoreProperties#CPD_EXCLUSIONS}
- * - On Java, if the number of statements of the file is too small, nothing will be sent.
- */
- public class LoadCrossProjectDuplicationsRepositoryStep implements ComputationStep {
-
- private static final Logger LOGGER = Loggers.get(LoadCrossProjectDuplicationsRepositoryStep.class);
-
- private final TreeRootHolder treeRootHolder;
- private final BatchReportReader reportReader;
- private final AnalysisMetadataHolder analysisMetadataHolder;
- private final IntegrateCrossProjectDuplications integrateCrossProjectDuplications;
- private final CrossProjectDuplicationStatusHolder crossProjectDuplicationStatusHolder;
- private final DbClient dbClient;
-
- public LoadCrossProjectDuplicationsRepositoryStep(TreeRootHolder treeRootHolder, BatchReportReader reportReader,
- AnalysisMetadataHolder analysisMetadataHolder, CrossProjectDuplicationStatusHolder crossProjectDuplicationStatusHolder,
- IntegrateCrossProjectDuplications integrateCrossProjectDuplications, DbClient dbClient) {
- this.treeRootHolder = treeRootHolder;
- this.reportReader = reportReader;
- this.analysisMetadataHolder = analysisMetadataHolder;
- this.integrateCrossProjectDuplications = integrateCrossProjectDuplications;
- this.crossProjectDuplicationStatusHolder = crossProjectDuplicationStatusHolder;
- this.dbClient = dbClient;
- }
-
- @Override
- public void execute(ComputationStep.Context context) {
- if (crossProjectDuplicationStatusHolder.isEnabled()) {
- new DepthTraversalTypeAwareCrawler(new CrossProjectDuplicationVisitor()).visit(treeRootHolder.getRoot());
- }
- }
-
- @Override
- public String getDescription() {
- return "Compute cross project duplications";
- }
-
- private class CrossProjectDuplicationVisitor extends TypeAwareVisitorAdapter {
-
- private CrossProjectDuplicationVisitor() {
- super(CrawlerDepthLimit.FILE, Order.PRE_ORDER);
- }
-
- @Override
- public void visitFile(Component file) {
- List<CpdTextBlock> cpdTextBlocks = new ArrayList<>();
- try (CloseableIterator<CpdTextBlock> blocksIt = reportReader.readCpdTextBlocks(file.getReportAttributes().getRef())) {
- while(blocksIt.hasNext()) {
- cpdTextBlocks.add(blocksIt.next());
- }
- }
- LOGGER.trace("Found {} cpd blocks on file {}", cpdTextBlocks.size(), file.getDbKey());
- if (cpdTextBlocks.isEmpty()) {
- return;
- }
-
- Collection<String> hashes = cpdTextBlocks.stream().map(CpdTextBlockToHash.INSTANCE).collect(Collectors.toList());
- List<DuplicationUnitDto> dtos = selectDuplicates(file, hashes);
- if (dtos.isEmpty()) {
- return;
- }
-
- Collection<Block> duplicatedBlocks = dtos.stream().map(DtoToBlock.INSTANCE).collect(Collectors.toList());
- Collection<Block> originBlocks = cpdTextBlocks.stream().map(new CpdTextBlockToBlock(file.getDbKey())).collect(Collectors.toList());
- LOGGER.trace("Found {} duplicated cpd blocks on file {}", duplicatedBlocks.size(), file.getDbKey());
-
- integrateCrossProjectDuplications.computeCpd(file, originBlocks, duplicatedBlocks);
- }
-
- private List<DuplicationUnitDto> selectDuplicates(Component file, Collection<String> hashes) {
- try (DbSession dbSession = dbClient.openSession(false)) {
- Analysis projectAnalysis = analysisMetadataHolder.getBaseAnalysis();
- String analysisUuid = projectAnalysis == null ? null : projectAnalysis.getUuid();
- return dbClient.duplicationDao().selectCandidates(dbSession, analysisUuid, file.getFileAttributes().getLanguageKey(), hashes);
- }
- }
- }
-
- private enum CpdTextBlockToHash implements Function<CpdTextBlock, String> {
- INSTANCE;
-
- @Override
- public String apply(@Nonnull CpdTextBlock duplicationBlock) {
- return duplicationBlock.getHash();
- }
- }
-
- private enum DtoToBlock implements Function<DuplicationUnitDto, Block> {
- INSTANCE;
-
- @Override
- public Block apply(@Nonnull DuplicationUnitDto dto) {
- // Note that the dto doesn't contains start/end token indexes
- return Block.builder()
- .setResourceId(dto.getComponentKey())
- .setBlockHash(new ByteArray(dto.getHash()))
- .setIndexInFile(dto.getIndexInFile())
- .setLines(dto.getStartLine(), dto.getEndLine())
- .build();
- }
- }
-
- private static class CpdTextBlockToBlock implements Function<CpdTextBlock, Block> {
- private final String fileKey;
- private int indexInFile = 0;
-
- CpdTextBlockToBlock(String fileKey) {
- this.fileKey = fileKey;
- }
-
- @Override
- public Block apply(@Nonnull CpdTextBlock duplicationBlock) {
- Block block = Block.builder()
- .setResourceId(fileKey)
- .setBlockHash(new ByteArray(duplicationBlock.getHash()))
- .setIndexInFile(indexInFile)
- .setLines(duplicationBlock.getStartLine(), duplicationBlock.getEndLine())
- .setUnit(duplicationBlock.getStartTokenIndex(), duplicationBlock.getEndTokenIndex())
- .build();
- indexInFile++;
- return block;
- }
- }
-
- }
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