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ChangedLinesPublisher.java
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ChangedLinesPublisher.java
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/*
* SonarQube
* Copyright (C) 2009-2018 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.scanner.report;
import java.nio.file.Path;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import org.sonar.api.batch.fs.internal.DefaultInputFile;
import org.sonar.api.batch.fs.internal.InputModuleHierarchy;
import org.sonar.api.batch.scm.ScmProvider;
import org.sonar.api.utils.log.Logger;
import org.sonar.api.utils.log.Loggers;
import org.sonar.api.utils.log.Profiler;
import org.sonar.scanner.protocol.output.ScannerReport;
import org.sonar.scanner.protocol.output.ScannerReportWriter;
import org.sonar.scanner.scan.branch.BranchConfiguration;
import org.sonar.scanner.scan.filesystem.InputComponentStore;
import org.sonar.scanner.scm.ScmConfiguration;
import org.sonar.scanner.util.ScannerUtils;
public class ChangedLinesPublisher implements ReportPublisherStep {
private static final Logger LOG = Loggers.get(ChangedLinesPublisher.class);
private static final String LOG_MSG = "SCM writing changed lines";
private final ScmConfiguration scmConfiguration;
private final InputModuleHierarchy inputModuleHierarchy;
private final InputComponentStore inputComponentStore;
private final BranchConfiguration branchConfiguration;
public ChangedLinesPublisher(ScmConfiguration scmConfiguration, InputModuleHierarchy inputModuleHierarchy, InputComponentStore inputComponentStore,
BranchConfiguration branchConfiguration) {
this.scmConfiguration = scmConfiguration;
this.inputModuleHierarchy = inputModuleHierarchy;
this.inputComponentStore = inputComponentStore;
this.branchConfiguration = branchConfiguration;
}
@Override public void publish(ScannerReportWriter writer) {
if (scmConfiguration.isDisabled() || !branchConfiguration.isShortOrPullRequest() || branchConfiguration.branchTarget() == null) {
return;
}
ScmProvider provider = scmConfiguration.provider();
if (provider == null) {
return;
}
Profiler profiler = Profiler.create(LOG).startInfo(LOG_MSG);
int count = writeChangedLines(provider, writer);
LOG.debug("SCM reported changed lines for {} {} in the branch", count, ScannerUtils.pluralize("file", count));
profiler.stopInfo();
}
private int writeChangedLines(ScmProvider provider, ScannerReportWriter writer) {
String targetBranchName = branchConfiguration.branchTarget();
if (targetBranchName == null) {
return 0;
}
Path rootBaseDir = inputModuleHierarchy.root().getBaseDir();
Map<Path, DefaultInputFile> changedFiles = StreamSupport.stream(inputComponentStore.allChangedFilesToPublish().spliterator(), false)
.collect(Collectors.toMap(DefaultInputFile::path, f -> f));
Map<Path, Set<Integer>> pathSetMap = provider.branchChangedLines(targetBranchName, rootBaseDir, changedFiles.keySet());
int count = 0;
if (pathSetMap == null) {
// no information returned by the SCM, we write nothing in the report and
// the compute engine will use SCM dates to estimate which lines are new
return count;
}
for (Map.Entry<Path, DefaultInputFile> e : changedFiles.entrySet()) {
Set<Integer> changedLines = pathSetMap.getOrDefault(e.getKey(), Collections.emptySet());
if (changedLines.isEmpty()) {
LOG.warn("File '{}' was detected as changed but without having changed lines", e.getKey().toAbsolutePath());
}
count++;
writeChangedLines(writer, e.getValue().batchId(), changedLines);
}
return count;
}
private static void writeChangedLines(ScannerReportWriter writer, int fileRef, Set<Integer> changedLines) {
ScannerReport.ChangedLines.Builder builder = ScannerReport.ChangedLines.newBuilder();
builder.addAllLine(changedLines);
writer.writeComponentChangedLines(fileRef, builder.build());
}
}