1 files changed, 30 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/validator/Java9Validator.java b/javaparser-core/src/main/java/com/github/javaparser/ast/validator/Java9Validator.java
new file mode 100644
index 000000000..2175c9af3
--- /dev/null
+++ b/javaparser-core/src/main/java/com/github/javaparser/ast/validator/Java9Validator.java
@@ -0,0 +1,30 @@
+package com.github.javaparser.ast.validator;
+
+import com.github.javaparser.ast.expr.Expression;
+import com.github.javaparser.ast.expr.VariableDeclarationExpr;
+import com.github.javaparser.ast.stmt.TryStmt;
+import com.github.javaparser.ast.validator.chunks.ModifierValidator;
+import com.github.javaparser.ast.validator.chunks.UnderscoreKeywordValidator;
+
+/**
+ * This validator validates according to Java 9 syntax rules.
+ */
+public class Java9Validator extends Java8Validator {
+    protected final Validator underscoreKeywordValidator = new UnderscoreKeywordValidator();
+    protected final Validator modifiers = new ModifierValidator(true, true, true);
+    protected final SingleNodeTypeValidator<TryStmt> tryWithResources = new SingleNodeTypeValidator<>(TryStmt.class, (n, reporter) -> {
+        if (n.getCatchClauses().isEmpty()
+                && n.getResources().isEmpty()
+                && !n.getFinallyBlock().isPresent()) {
+            reporter.report(n, "Try has no finally, no catch, and no resources.");
+        }
+    });
+
+    public Java9Validator() {
+        super();
+        add(underscoreKeywordValidator);
+        remove(noModules);
+        replace(modifiersWithoutPrivateInterfaceMethods, modifiers);
+        replace(tryWithLimitedResources, tryWithResources);
+    }
+}