SONAR-21195 Fix issues raised by SonarQube

5 files changed, 28 insertions, 23 deletions

diff --git a/sonar-scanner-engine/src/it/java/org/sonar/scanner/mediumtest/fs/FileSystemMediumIT.java b/sonar-scanner-engine/src/it/java/org/sonar/scanner/mediumtest/fs/FileSystemMediumIT.java
index 1b3ac84f4dc..0229752156f 100644
--- a/sonar-scanner-engine/src/it/java/org/sonar/scanner/mediumtest/fs/FileSystemMediumIT.java
+++ b/sonar-scanner-engine/src/it/java/org/sonar/scanner/mediumtest/fs/FileSystemMediumIT.java
@@ -133,7 +133,7 @@ public class FileSystemMediumIT {
         .put("sonar.sources", "src")
         .build())
       .execute())
-        .isInstanceOf(MessageException.class);
+      .isInstanceOf(MessageException.class);
   }
 
   @Test
@@ -695,8 +695,8 @@ public class FileSystemMediumIT {
         .put("sonar.sources", "src,src/sample.xoo")
         .build())
       .execute())
-        .isInstanceOf(MessageException.class)
-        .hasMessage("File src/sample.xoo can't be indexed twice. Please check that inclusion/exclusion patterns produce disjoint sets for main and test files");
+      .isInstanceOf(MessageException.class)
+      .hasMessage("File src/sample.xoo can't be indexed twice. Please check that inclusion/exclusion patterns produce disjoint sets for main and test files");
   }
 
   // SONAR-9574
@@ -714,8 +714,8 @@ public class FileSystemMediumIT {
         .put("module1.sonar.sources", "src")
         .build())
       .execute())
-        .isInstanceOf(MessageException.class)
-        .hasMessage("File module1/src/sample.xoo can't be indexed twice. Please check that inclusion/exclusion patterns produce disjoint sets for main and test files");
+      .isInstanceOf(MessageException.class)
+      .hasMessage("File module1/src/sample.xoo can't be indexed twice. Please check that inclusion/exclusion patterns produce disjoint sets for main and test files");
   }
 
   // SONAR-5330
@@ -870,7 +870,7 @@ public class FileSystemMediumIT {
     File srcDir = new File(baseDir, "src");
     srcDir.mkdir();
 
-    tester.addLanguage("xoo3", "xoo3",false,  ".xoo3");
+    tester.addLanguage("xoo3", "xoo3", false, ".xoo3");
 
     writeFile(srcDir, "sample.xoo3", "Sample xoo\ncontent");
     writeFile(srcDir, "sample2.xoo3", "Sample xoo 2\ncontent");
@@ -1236,7 +1236,7 @@ public class FileSystemMediumIT {
         .build())
       .execute();
 
-    assertAnalysedFiles(result,  "src/srcSubDir/srcSub.xoo");
+    assertAnalysedFiles(result, "src/srcSubDir/srcSub.xoo");
   }
 
   @Test
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/SpringScannerContainer.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/SpringScannerContainer.java
index d7cecd16ed3..efee457d5a1 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/SpringScannerContainer.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/SpringScannerContainer.java
@@ -330,10 +330,10 @@ public class SpringScannerContainer extends SpringComponentContainer {
     });
 
     BranchConfiguration branchConfig = getComponentByType(BranchConfiguration.class);
-    if (branchConfig.branchType() == BranchType.PULL_REQUEST) {
+    if (branchConfig.branchType() == BranchType.PULL_REQUEST && LOG.isInfoEnabled()) {
       LOG.info("Pull request {} for merge into {} from {}", branchConfig.pullRequestKey(), pullRequestBaseToDisplayName(branchConfig.targetBranchName()),
         branchConfig.branchName());
-    } else if (branchConfig.branchName() != null) {
+    } else if (branchConfig.branchName() != null && LOG.isInfoEnabled()) {
       LOG.info("Branch name: {}", branchConfig.branchName());
     }
 
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/repository/language/DefaultLanguagesRepository.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/repository/language/DefaultLanguagesRepository.java
index 607587950b6..0dd80451fa2 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/repository/language/DefaultLanguagesRepository.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/repository/language/DefaultLanguagesRepository.java
@@ -30,6 +30,7 @@ import java.util.stream.Collectors;
 import javax.annotation.CheckForNull;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import javax.annotation.concurrent.Immutable;
 import org.sonar.api.Startable;
 import org.sonar.api.config.Configuration;
 import org.sonar.api.resources.Languages;
@@ -40,6 +41,7 @@ import org.sonarqube.ws.client.GetRequest;
  * Languages repository using {@link Languages}
  * @since 4.4
  */
+@Immutable
 public class DefaultLanguagesRepository implements LanguagesRepository, Startable {
   private static final Logger LOG = LoggerFactory.getLogger(DefaultLanguagesRepository.class);
   private static final String LANGUAGES_WS_URL = "/api/languages/list";
@@ -75,9 +77,8 @@ public class DefaultLanguagesRepository implements LanguagesRepository, Startabl
   }
 
   private Language populateFileSuffixesAndPatterns(SupportedLanguageDto lang) {
-    String propertyFragment = PROPERTY_FRAGMENT_MAP.getOrDefault(lang.getKey(), lang.getKey());
-    lang.setFileSuffixes(properties.getStringArray(String.format("sonar.%s.file.suffixes", propertyFragment)));
-    lang.setFilenamePatterns(properties.getStringArray(String.format("sonar.%s.file.patterns", propertyFragment)));
+    lang.setFileSuffixes(getFileSuffixes(lang.getKey()));
+    lang.setFilenamePatterns(getFilenamePatterns(lang.getKey()));
     if (lang.filenamePatterns() == null && lang.getFileSuffixes() == null) {
       LOG.debug("Language '{}' cannot be detected as it has neither suffixes nor patterns.", lang.getName());
     }
@@ -85,7 +86,15 @@ public class DefaultLanguagesRepository implements LanguagesRepository, Startabl
   }
 
   private String[] getFileSuffixes(String languageKey) {
-    String propName = String.format("sonar.%s.file.suffixes", PROPERTY_FRAGMENT_MAP.getOrDefault(languageKey, languageKey));
+    return getPropertyForLanguage("sonar.%s.file.suffixes", languageKey);
+  }
+
+  private String[] getFilenamePatterns(String languageKey) {
+    return getPropertyForLanguage("sonar.%s.file.patterns", languageKey);
+  }
+
+  private String[] getPropertyForLanguage(String propertyPattern, String languageKey) {
+    String propName = String.format(propertyPattern, PROPERTY_FRAGMENT_MAP.getOrDefault(languageKey, languageKey));
     return properties.getStringArray(propName);
   }
 
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/DirectoryFileVisitor.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/DirectoryFileVisitor.java
index 57720692eb0..ea0bacb9a59 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/DirectoryFileVisitor.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/DirectoryFileVisitor.java
@@ -47,7 +47,8 @@ public class DirectoryFileVisitor implements FileVisitor<Path> {
   private final InputModuleHierarchy inputModuleHierarchy;
   private final InputFile.Type type;
 
-  DirectoryFileVisitor(FileVisitAction fileVisitAction, DefaultInputModule module, ModuleExclusionFilters moduleExclusionFilters, InputModuleHierarchy inputModuleHierarchy, InputFile.Type type) {
+  DirectoryFileVisitor(FileVisitAction fileVisitAction, DefaultInputModule module, ModuleExclusionFilters moduleExclusionFilters,
+    InputModuleHierarchy inputModuleHierarchy, InputFile.Type type) {
     this.fileVisitAction = fileVisitAction;
     this.module = module;
     this.moduleExclusionFilters = moduleExclusionFilters;
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/ProjectFilePreprocessor.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/ProjectFilePreprocessor.java
index 31a467fd5ce..4f2b9570860 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/ProjectFilePreprocessor.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/ProjectFilePreprocessor.java
@@ -54,7 +54,6 @@ import static java.util.Collections.singletonList;
 public class ProjectFilePreprocessor {
 
   private static final Logger LOG = LoggerFactory.getLogger(ProjectFilePreprocessor.class);
-  private static final String TELEMETRY_STEP_NAME = "file.preprocessing";
 
   private final AnalysisWarnings analysisWarnings;
   private final IgnoreCommand ignoreCommand;
@@ -113,17 +112,13 @@ public class ProjectFilePreprocessor {
       pluralizeWithCount("preprocessed file", totalFilesPreprocessed)));
 
     int excludedFileByPatternCount = exclusionCounter.getByPatternsCount();
-    if (projectExclusionFilters.hasPattern() || excludedFileByPatternCount > 0) {
-      if (LOG.isInfoEnabled()) {
-        LOG.info("{} ignored because of inclusion/exclusion patterns", pluralizeWithCount("file", excludedFileByPatternCount));
-      }
+    if ((projectExclusionFilters.hasPattern() || excludedFileByPatternCount > 0) && LOG.isInfoEnabled()) {
+      LOG.info("{} ignored because of inclusion/exclusion patterns", pluralizeWithCount("file", excludedFileByPatternCount));
     }
 
     int excludedFileByScmCount = exclusionCounter.getByScmCount();
-    if (useScmExclusion) {
-      if (LOG.isInfoEnabled()) {
-        LOG.info("{} ignored because of scm ignore settings", pluralizeWithCount("file", excludedFileByScmCount));
-      }
+    if (useScmExclusion && LOG.isInfoEnabled()) {
+      LOG.info("{} ignored because of scm ignore settings", pluralizeWithCount("file", excludedFileByScmCount));
     }
   }