Java Code Examples for com.github.javaparser.ast.visitor.VoidVisitorAdapter

private Map<String, JavadocComment> parseDoc(File classFile) {
    Map<String, JavadocComment> classDoc = new HashMap<>();
    try {
        CompilationUnit cu = StaticJavaParser.parse(classFile, StandardCharsets.UTF_8);
        new VoidVisitorAdapter<Object>() {
            @Override
            public void visit(JavadocComment comment, Object arg) {
                super.visit(comment, arg);
                if (comment.getCommentedNode().get() instanceof MethodDeclaration) {
                    MethodDeclaration node = (MethodDeclaration) comment.getCommentedNode().get();
                    classDoc.put(methodName(node), comment);
                }
            }
        }.visit(cu, null);
    } catch (Exception e) {
        logger.info("ERROR PROCESSING ", e);
    }
    return classDoc;
}
 

public List<EntityField> analyze(File source) throws IOException, ParseException {
    List<EntityField> entityFields = new ArrayList<>();
    CompilationUnit cu = JavaParser.parse(source);
    cu.accept(new VoidVisitorAdapter<List<EntityField>>() {
        @Override
        public void visit(FieldDeclaration fd, List<EntityField> f) {
            if (fd.getAnnotations().stream().anyMatch(anno -> anno.getName().getName().equals("Column"))) {
                Class<?> type = null;
                switch (fd.getType().toString()) {
                    case "String": type = String.class; break;
                    case "Long": type = Long.class; break;
                    case "Integer": type = Integer.class; break;
                    case "boolean": type = boolean.class; break;
                }
                if (type == null) return;
                f.add(new EntityField(
                        fd.getVariables().get(0).getId().getName(),
                        type,
                        fd.getAnnotations().stream().anyMatch(anno -> anno.getName().getName().equals("Id"))));
            }
        }
    }, entityFields);

    return entityFields;
}
 

@Test
public void calculatesTypeNames() throws IOException, ParseException {
    CompilationUnit compilationUnit = JavaParser.parse(
            FileLoader.getFile("de/is24/javaparser/TypeNameTestClass.java"));

    compilationUnit.accept(new VoidVisitorAdapter<Void>() {
        @Override
        public void visit(StringLiteralExpr n, Void arg) {
            assertThat("Name of anonymous class is invalid!", Nodes.getTypeName(n), is(n.getValue()));
        }
    }, null);
}
 

public static Map<String, String> analysisFieldComments(Class<?> classz) {

        final Map<String, String> commentMap = new HashMap(10);

        List<Class> classes = new LinkedList<>();

        Class nowClass = classz;

        //获取所有的属性注释(包括父类的)
        while (true) {
            classes.add(0, nowClass);
            if (Object.class.equals(nowClass) || Object.class.equals(nowClass.getSuperclass())) {
                break;
            }
            nowClass = nowClass.getSuperclass();
        }

        //反方向循环,子类属性注释覆盖父类属性
        for (Class clz : classes) {
            String path = JavaSourceFileManager.getInstance().getPath(clz.getSimpleName());
            if (StringUtils.isBlank(path)) {
                continue;
            }
            try (FileInputStream in = new FileInputStream(path)) {
                CompilationUnit cu = javaParser.parse(in).getResult().get();

                new VoidVisitorAdapter<Void>() {
                    @Override
                    public void visit(FieldDeclaration n, Void arg) {
                        String name = n.getVariable(0).getName().asString();

                        String comment = "";
                        if (n.getComment().isPresent()) {
                            comment = n.getComment().get().getContent();
                        }

                        if (name.contains("=")) {
                            name = name.substring(0, name.indexOf("=")).trim();
                        }

                        commentMap.put(name, CommentUtils.parseCommentText(comment));
                    }
                }.visit(cu, null);

            } catch (Exception e) {
                logger.warn("读取java原文件失败:{}", path, e.getMessage(), e);
            }
        }

        return commentMap;
    }