1package com.github.javaparser.ast.validator;
2
3import com.github.javaparser.ast.expr.Expression;
4import com.github.javaparser.ast.expr.VariableDeclarationExpr;
5import com.github.javaparser.ast.stmt.TryStmt;
6import com.github.javaparser.ast.validator.chunks.ModifierValidator;
7import com.github.javaparser.ast.validator.chunks.UnderscoreKeywordValidator;
8
9/**
10 * This validator validates according to Java 9 syntax rules.
11 */
12public class Java9Validator extends Java8Validator {
13    protected final Validator underscoreKeywordValidator = new UnderscoreKeywordValidator();
14    protected final Validator modifiers = new ModifierValidator(true, true, true);
15    protected final SingleNodeTypeValidator<TryStmt> tryWithResources = new SingleNodeTypeValidator<>(TryStmt.class, (n, reporter) -> {
16        if (n.getCatchClauses().isEmpty()
17                && n.getResources().isEmpty()
18                && !n.getFinallyBlock().isPresent()) {
19            reporter.report(n, "Try has no finally, no catch, and no resources.");
20        }
21    });
22
23    public Java9Validator() {
24        super();
25        add(underscoreKeywordValidator);
26        remove(noModules);
27        replace(modifiersWithoutPrivateInterfaceMethods, modifiers);
28        replace(tryWithLimitedResources, tryWithResources);
29    }
30}
31