| 1 | /* |
|---|---|
| 2 | * Copyright (C) 2007-2010 Júlio Vilmar Gesser. |
| 3 | * Copyright (C) 2011, 2013-2020 The JavaParser Team. |
| 4 | * |
| 5 | * This file is part of JavaParser. |
| 6 | * |
| 7 | * JavaParser can be used either under the terms of |
| 8 | * a) the GNU Lesser General Public License as published by |
| 9 | * the Free Software Foundation, either version 3 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * b) the terms of the Apache License |
| 12 | * |
| 13 | * You should have received a copy of both licenses in LICENCE.LGPL and |
| 14 | * LICENCE.APACHE. Please refer to those files for details. |
| 15 | * |
| 16 | * JavaParser is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU Lesser General Public License for more details. |
| 20 | */ |
| 21 | |
| 22 | package com.github.javaparser.ast.validator; |
| 23 | |
| 24 | import com.github.javaparser.ast.expr.Expression; |
| 25 | import com.github.javaparser.ast.stmt.SwitchEntry; |
| 26 | import com.github.javaparser.ast.stmt.TryStmt; |
| 27 | import com.github.javaparser.ast.type.UnionType; |
| 28 | |
| 29 | /** |
| 30 | * This validator validates according to Java 7 syntax rules. |
| 31 | */ |
| 32 | public class Java7Validator extends Java6Validator { |
| 33 | final SingleNodeTypeValidator<TryStmt> tryWithLimitedResources = new SingleNodeTypeValidator<>(TryStmt.class, (n, reporter) -> { |
| 34 | if (n.getCatchClauses().isEmpty() |
| 35 | && n.getResources().isEmpty() |
| 36 | && !n.getFinallyBlock().isPresent()) { |
| 37 | reporter.report(n, "Try has no finally, no catch, and no resources."); |
| 38 | } |
| 39 | for (Expression resource : n.getResources()) { |
| 40 | if (!resource.isVariableDeclarationExpr()) { |
| 41 | reporter.report(n, "Try with resources only supports variable declarations."); |
| 42 | } |
| 43 | } |
| 44 | }); |
| 45 | private final SingleNodeTypeValidator<UnionType> multiCatch = new SingleNodeTypeValidator<>(UnionType.class, (n, reporter) -> { |
| 46 | // Case "0 elements" is caught elsewhere. |
| 47 | if (n.getElements().size() == 1) { |
| 48 | reporter.report(n, "Union type (multi catch) must have at least two elements."); |
| 49 | } |
| 50 | }); |
| 51 | |
| 52 | public Java7Validator() { |
| 53 | super(); |
| 54 | remove(genericsWithoutDiamondOperator); |
| 55 | replace(tryWithoutResources, tryWithLimitedResources); |
| 56 | remove(noBinaryIntegerLiterals); |
| 57 | remove(noUnderscoresInIntegerLiterals); |
| 58 | replace(noMultiCatch, multiCatch); |
| 59 | } |
| 60 | } |
| 61 |
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