IDEA-85394 IntelliJ should understand Archetypes in Maven project and not try to build the resources directory

plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/ArchetypeResourceHighlightFilter.java

@@ -0,0 +1,29 @@
+package org.jetbrains.idea.maven.utils;
+
+import com.intellij.codeInsight.daemon.ProblemHighlightFilter;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.PsiFile;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * @author Sergey Evdokimov
+ */
+public class ArchetypeResourceHighlightFilter extends ProblemHighlightFilter {
+
+  @Override
+  public boolean shouldHighlight(@NotNull PsiFile psiFile) {
+    VirtualFile virtualFile = psiFile.getOriginalFile().getVirtualFile();
+
+    do {
+      if (virtualFile == null) return true;
+
+      if (virtualFile.getName().equals("archetype-resources")) {
+        if (virtualFile.getPath().endsWith("src/main/resources/archetype-resources")) {
+          return false;
+        }
+      }
+
+      virtualFile = virtualFile.getParent();
+    } while (true);
+  }
+}

plugins/maven/src/main/resources/META-INF/plugin.xml

@@ -102,6 +102,8 @@
       <className>org.jetbrains.idea.maven.dom.intentions.ChooseFileIntentionAction</className>
     </intentionAction>
 
+    <problemHighlightFilter implementation="org.jetbrains.idea.maven.utils.ArchetypeResourceHighlightFilter" />
+
     <codeInsight.unresolvedReferenceQuickFixProvider
         implementation="org.jetbrains.idea.maven.dom.intentions.ResolveReferenceQuickFixProvider"/>
 

plugins/maven/src/test/java/org/jetbrains/idea/maven/utils/MavenArchetypeResourcesHighlightTest.groovy

@@ -0,0 +1,30 @@
+package org.jetbrains.idea.maven.utils
+
+import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase
+import com.intellij.psi.PsiFile
+
+/**
+ * @author Sergey Evdokimov
+ */
+class MavenArchetypeResourcesHighlightTest extends LightCodeInsightFixtureTestCase {
+
+  public void testHighlight() throws Exception {
+    PsiFile file = myFixture.addFileToProject("src/main/resources/archetype-resources/src/main/java/A.java", """
+import \${package};
+class A {
+}
+""");
+    myFixture.configureFromExistingVirtualFile(file.getVirtualFile());
+    myFixture.checkHighlighting();
+
+    file = myFixture.addFileToProject("src/main/resources/B.java", """
+import <error>\$</error><error><error>{</error>package};</error>
+class B {
+}
+""");
+    myFixture.configureFromExistingVirtualFile(file.getVirtualFile());
+    myFixture.checkHighlighting();
+  }
+
+}
+