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/*
* SonarLint Core - Implementation
* Copyright (C) 2016-2021 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.sonarsource.sonarlint.core.container.analysis.filesystem;
import java.net.URI;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.batch.fs.InputFileFilter;
import org.sonar.api.utils.MessageException;
import org.sonar.api.utils.log.Logger;
import org.sonar.api.utils.log.Loggers;
import org.sonarsource.api.sonarlint.SonarLintSide;
import org.sonarsource.sonarlint.core.client.api.common.AbstractAnalysisConfiguration;
import org.sonarsource.sonarlint.core.client.api.common.analysis.ClientInputFile;
import org.sonarsource.sonarlint.core.container.analysis.issue.ignore.scanner.IssueExclusionsLoader;
import org.sonarsource.sonarlint.core.container.model.DefaultAnalysisResult;
import org.sonarsource.sonarlint.core.util.ProgressReport;
/**
* Index input files into {@link InputFileCache}.
*/
@SonarLintSide
public class FileIndexer {
private static final Logger LOG = Loggers.get(FileIndexer.class);
private final InputFileBuilder inputFileBuilder;
private final AbstractAnalysisConfiguration analysisConfiguration;
private final DefaultAnalysisResult analysisResult;
private final InputFileFilter[] filters;
private final IssueExclusionsLoader issueExclusionsLoader;
private final InputFileCache inputFileCache;
private ProgressReport progressReport;
public FileIndexer(InputFileCache inputFileCache, InputFileBuilder inputFileBuilder, AbstractAnalysisConfiguration analysisConfiguration,
DefaultAnalysisResult analysisResult, IssueExclusionsLoader issueExclusionsLoader,
InputFileFilter[] filters) {
this.inputFileCache = inputFileCache;
this.inputFileBuilder = inputFileBuilder;
this.analysisConfiguration = analysisConfiguration;
this.analysisResult = analysisResult;
this.issueExclusionsLoader = issueExclusionsLoader;
this.filters = filters;
}
public FileIndexer(InputFileCache inputFileCache, InputFileBuilder inputFileBuilder, AbstractAnalysisConfiguration analysisConfiguration,
DefaultAnalysisResult analysisResult, IssueExclusionsLoader issueExclusionsLoader) {
this(inputFileCache, inputFileBuilder, analysisConfiguration, analysisResult, issueExclusionsLoader, new InputFileFilter[0]);
}
public void index() {
progressReport = new ProgressReport("Report about progress of file indexation", TimeUnit.SECONDS.toMillis(10));
progressReport.start("Index files");
Progress progress = new Progress();
try {
indexFiles(inputFileCache, progress, analysisConfiguration.inputFiles());
} catch (Exception e) {
progressReport.stop(null);
throw e;
}
int totalIndexed = progress.count();
progressReport.stop(totalIndexed + " " + pluralizeFiles(totalIndexed) + " indexed");
analysisResult.setIndexedFileCount(totalIndexed);
}
private static String pluralizeFiles(int count) {
return count == 1 ? "file" : "files";
}
private void indexFiles(InputFileCache inputFileCache, Progress progress, Iterable inputFiles) {
for (ClientInputFile file : inputFiles) {
indexFile(inputFileCache, progress, file);
}
}
private void indexFile(InputFileCache inputFileCache, Progress progress, ClientInputFile file) {
SonarLintInputFile inputFile = inputFileBuilder.create(file);
if (accept(inputFile)) {
analysisResult.setLanguageForFile(file, inputFile.getLanguage());
indexFile(inputFileCache, progress, inputFile);
issueExclusionsLoader.addMulticriteriaPatterns(inputFile);
}
}
private void indexFile(final InputFileCache inputFileCache, final Progress status, final SonarLintInputFile inputFile) {
inputFileCache.doAdd(inputFile);
status.markAsIndexed(inputFile);
}
private boolean accept(InputFile indexedFile) {
// InputFileFilter extensions. Might trigger generation of metadata
for (InputFileFilter filter : filters) {
if (!filter.accept(indexedFile)) {
LOG.debug("'{}' excluded by {}", indexedFile, filter.getClass().getName());
return false;
}
}
return true;
}
private class Progress {
private final Set indexed = new HashSet<>();
void markAsIndexed(SonarLintInputFile inputFile) {
if (indexed.contains(inputFile.uri())) {
throw MessageException.of("File " + inputFile + " can't be indexed twice.");
}
indexed.add(inputFile.uri());
int size = indexed.size();
progressReport.message(() -> size + " files indexed... (last one was " + inputFile.uri() + ")");
}
int count() {
return indexed.size();
}
}
}