| package com.github.javaparser.ast.validator; |
| |
| import com.github.javaparser.ast.Node; |
| import com.github.javaparser.ast.NodeList; |
| import com.github.javaparser.ast.nodeTypes.NodeWithTypeArguments; |
| import com.github.javaparser.ast.type.PrimitiveType; |
| import com.github.javaparser.ast.type.Type; |
| |
| import java.util.Optional; |
| |
| /** |
| * This validator validates according to Java 5 syntax rules. |
| */ |
| public class Java5Validator extends Java1_4Validator { |
| Validator genericsWithoutDiamondOperator = new TreeVisitorValidator((node, reporter) -> { |
| if (node instanceof NodeWithTypeArguments) { |
| Optional<NodeList<Type>> typeArguments = ((NodeWithTypeArguments<? extends Node>) node).getTypeArguments(); |
| if (typeArguments.isPresent() && typeArguments.get().isEmpty()) { |
| reporter.report(node, "The diamond operator is not supported."); |
| } |
| } |
| }); |
| |
| protected Validator noPrimitiveGenericArguments = new TreeVisitorValidator((node, reporter) -> { |
| if (node instanceof NodeWithTypeArguments) { |
| Optional<NodeList<Type>> typeArguments = ((NodeWithTypeArguments<? extends Node>) node).getTypeArguments(); |
| typeArguments.ifPresent(types -> types.forEach(ty -> { |
| if (ty instanceof PrimitiveType) { |
| reporter.report(node, "Type arguments may not be primitive."); |
| } |
| })); |
| } |
| }); |
| |
| protected final Validator enumNotAllowed = new ReservedKeywordValidator("enum"); |
| |
| public Java5Validator() { |
| super(); |
| replace(noGenerics, genericsWithoutDiamondOperator); |
| add(noPrimitiveGenericArguments); |
| add(enumNotAllowed); |
| |
| // TODO validate annotations on classes, fields and methods but nowhere else |
| // The following is probably too simple. |
| remove(noAnnotations); |
| |
| remove(noEnums); |
| remove(noVarargs); |
| remove(noForEach); |
| remove(noStaticImports); |
| } |
| } |