Send file content to NodeJS process if encoding not UFT-8 (#224)

2 files changed, 20 insertions, 4 deletions

diff --git a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRuleSensor.java b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRuleSensor.java
index 644ece8..3b32501 100644
--- a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRuleSensor.java
+++ b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRuleSensor.java
@@ -35,6 +35,7 @@ import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.StreamSupport;
 import javax.annotation.Nullable;
+import org.sonar.api.SonarProduct;
 import org.sonar.api.batch.fs.FilePredicate;
 import org.sonar.api.batch.fs.FilePredicates;
 import org.sonar.api.batch.fs.FileSystem;
@@ -51,8 +52,8 @@ import org.sonar.api.utils.log.Logger;
 import org.sonar.api.utils.log.Loggers;
 import org.sonar.css.plugin.CssRules.StylelintConfig;
 import org.sonar.css.plugin.server.AnalyzerBridgeServer.Issue;
-import org.sonar.css.plugin.server.CssAnalyzerBridgeServer;
 import org.sonar.css.plugin.server.AnalyzerBridgeServer.Request;
+import org.sonar.css.plugin.server.CssAnalyzerBridgeServer;
 import org.sonar.css.plugin.server.exception.ServerAlreadyFailedException;
 import org.sonarsource.analyzer.commons.ProgressReport;
 import org.sonarsource.nodejs.NodeCommandException;
@@ -140,7 +141,7 @@ public class CssRuleSensor implements Sensor {
           try {
             analyzeFile(context, inputFile, configFile);
           } catch (IOException | RuntimeException e) {
-            throw new IOException("Failure during analysis of " + inputFile.uri() + ": " + e.getMessage());
+            throw new IOException("Failure during analysis of " + inputFile.uri() + ": " + e.getMessage(), e);
           }
           progressReport.nextFile();
         } else {
@@ -164,13 +165,19 @@ public class CssRuleSensor implements Sensor {
       LOG.debug("Skipping {} as it has not 'file' scheme", uri);
       return;
     }
-    Request request = new Request(new File(uri).getAbsolutePath(), configFile.toString());
+    String fileContent = shouldSendFileContent(context, inputFile) ? inputFile.contents() : null;
+    Request request = new Request(new File(uri).getAbsolutePath(), fileContent, configFile.toString());
     LOG.debug("Analyzing " + request.filePath);
     Issue[] issues = cssAnalyzerBridgeServer.analyze(request);
     LOG.debug("Found {} issue(s)", issues.length);
     saveIssues(context, inputFile, issues);
   }
 
+  private static boolean shouldSendFileContent(SensorContext context, InputFile file) {
+    return context.runtime().getProduct() == SonarProduct.SONARLINT
+      || !StandardCharsets.UTF_8.equals(file.charset());
+  }
+
   private void saveIssues(SensorContext context, InputFile inputFile, Issue[] issues) {
     for (Issue issue : issues) {
       NewIssue sonarIssue = context.newIssue();
diff --git a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/server/AnalyzerBridgeServer.java b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/server/AnalyzerBridgeServer.java
index 0656b06..56481ec 100644
--- a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/server/AnalyzerBridgeServer.java
+++ b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/server/AnalyzerBridgeServer.java
@@ -20,6 +20,7 @@
 package org.sonar.css.plugin.server;
 
 import java.io.IOException;
+import javax.annotation.Nullable;
 import org.sonar.api.Startable;
 import org.sonar.api.batch.sensor.SensorContext;
 import org.sonar.api.scanner.ScannerSide;
@@ -41,10 +42,18 @@ public interface AnalyzerBridgeServer extends Startable {
 
   class Request {
     public final String filePath;
+    /**
+     * The fileContent is sent only in the SonarLint context or when the encoding
+     * of the file is not utf-8. Otherwise, for performance reason, it's more efficient to
+     * not have the fileContent and let the server getting it using filePath.
+     */
+    @Nullable
+    public final String fileContent;
     public final String configFile;
 
-    public Request(String filePath, String configFile) {
+    public Request(String filePath, @Nullable String fileContent, String configFile) {
       this.filePath = filePath;
+      this.fileContent = fileContent;
       this.configFile = configFile;
     }
   }