SONAR-19983 warning when running scanner with a Java version older than 17

2 files changed, 54 insertions, 3 deletions

diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/RuntimeJavaVersion.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/RuntimeJavaVersion.java
new file mode 100644
index 00000000000..1ef6e999c1c
--- /dev/null
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/RuntimeJavaVersion.java
@@ -0,0 +1,49 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2023 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.bootstrap;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.sonar.api.notifications.AnalysisWarnings;
+import org.sonar.core.documentation.DocumentationLinkGenerator;
+
+public class RuntimeJavaVersion {
+  private static final Logger LOG = LoggerFactory.getLogger(RuntimeJavaVersion.class);
+  public static final String LOG_MESSAGE = "SonarScanner will require Java 17 to run, starting in SonarQube 10.3";
+  public static final String WARNING_MESSAGE_TEMPLATE = "SonarScanner will require Java 17 to run, starting in SonarQube 10.3. Please upgrade the" +
+    " version of Java that executes the scanner and refer to <a href=\"{}/\" target=\"_blank\">the documentation</a> if needed.";
+
+  private final DocumentationLinkGenerator documentationLinkGenerator;
+  private final AnalysisWarnings analysisWarnings;
+
+  public RuntimeJavaVersion(DocumentationLinkGenerator documentationLinkGenerator, AnalysisWarnings analysisWarnings){
+    this.documentationLinkGenerator = documentationLinkGenerator;
+    this.analysisWarnings = analysisWarnings;
+  }
+
+  public void checkJavaVersion() {
+    Runtime.Version version = Runtime.version();
+    if (version.compareTo(Runtime.Version.parse("17")) < 0) {
+      LOG.warn(LOG_MESSAGE);
+      String documentationLink = documentationLinkGenerator.getDocumentationLink("/analyzing-source-code/scanner-environment");
+      analysisWarnings.addUnique(WARNING_MESSAGE_TEMPLATE.replace("{}", documentationLink));
+    }
+  }
+}
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/SpringGlobalContainer.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/SpringGlobalContainer.java
index b26017a0ff6..9b7bd6c4eab 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/SpringGlobalContainer.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/bootstrap/SpringGlobalContainer.java
@@ -24,6 +24,8 @@ import java.util.List;
 import java.util.Map;
 import javax.annotation.Priority;
 import org.apache.commons.lang.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.sonar.api.CoreProperties;
 import org.sonar.api.Plugin;
 import org.sonar.api.SonarEdition;
@@ -34,8 +36,6 @@ import org.sonar.api.utils.MessageException;
 import org.sonar.api.utils.System2;
 import org.sonar.api.utils.UriReader;
 import org.sonar.api.utils.Version;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.sonar.core.documentation.DefaultDocumentationLinkGenerator;
 import org.sonar.core.extension.CoreExtensionRepositoryImpl;
 import org.sonar.core.extension.CoreExtensionsLoader;
@@ -114,7 +114,8 @@ public class SpringGlobalContainer extends SpringComponentContainer {
       ScannerCoreExtensionsInstaller.class,
       DefaultGlobalSettingsLoader.class,
       DefaultNewCodePeriodLoader.class,
-      DefaultMetricsRepositoryLoader.class);
+      DefaultMetricsRepositoryLoader.class,
+      RuntimeJavaVersion.class);
   }
 
   @Override
@@ -134,6 +135,7 @@ public class SpringGlobalContainer extends SpringComponentContainer {
     if (!analysisMode.equals("publish")) {
       throw MessageException.of("The preview mode, along with the 'sonar.analysis.mode' parameter, is no more supported. You should stop using this parameter.");
     }
+    getComponentByType(RuntimeJavaVersion.class).checkJavaVersion();
     new SpringProjectScanContainer(this).execute();
 
     LOG.info("Analysis total time: {}", formatTime(System.currentTimeMillis() - startTime));