使用java MapStruct和VSCode

Question

我在用java Mapstruct。与gradle bootRun一起运行是正常的，但是VSCode在调试和运行单元测试时遇到了一些问题：java.lang.ClassNotFoundException: Cannot find implementation。

信息: IDE VSCode，SpringBoot 2.2.2，Java 11，Gradle 6.1.1

build.gradle：

compileJava {
    options.compilerArgs = [
            '-Amapstruct.defaultComponentModel=spring'
    ]
}

dependencies {
    implementation 'org.mapstruct:mapstruct-jdk8:1.3.1.Final'
    implementation 'org.mapstruct:mapstruct-processor:1.3.1.Final'
    annotationProcessor 'org.mapstruct:mapstruct-processor:1.3.1.Final'
    testAnnotationProcessor 'org.mapstruct:mapstruct-processor:1.3.1.Final'
}

launch.json用于在VSCode中进行调试：

 {
            "type": "java",
            "name": "Debug (Launch)-DemoApplication<demo>",
            "request": "launch",
            "mainClass": "com.api.demo.DemoApplication",
            "projectName": "demo",
            "args": [
                "-Amapstruct.defaultComponentModel=spring",
                "-DprocessorIntegrationTest.debug=true",
                "-classpath",
                "${workspaceFolder}/build/classes/"
            ],
            "sourcePaths": [
                "${workspaceFolder}/build/generated/"
            ]
        }

Mapper文件：

@Mapper(componentModel = "spring", unmappedTargetPolicy = ReportingPolicy.IGNORE)
public interface UserPayloadMapper extends GenericPayloadMapper<User, UserRegistryRequest, UserRegistryResponse> {
    UserPayloadMapper INSTANCE = Mappers.getMapper(UserPayloadMapper.class);

    @Mapping(source = "userId", target = "id")
    public User fromRequest(UserRegistryRequest request);

    public UserRegistryResponse toResponse(User user);
}

有人能帮我配置VSCode来运行调试和单元测试吗？我认为在运行调试和单元测试之前，它不会加载生成的源代码，但我不知道如何修复它。

编辑：对于单元测试文件，如果我添加@SpringBootTest(classes = { UserPayloadMapper.class })，这将正确运行，但是在单元测试代码中与此映射程序无关，而且我有几个映射器，我不能将它们全部放入每个单元测试中。

Answer 1

我找到了解决方案:添加@ComponentScan(basePackages = "com.api.demo/build/classes/java/main/com/api/demo/service/mapper")并工作(到mapstruct生成的文件夹)。

Answer 2

build.gradle的依赖关系

dependencies {
    compile group: 'org.mapstruct', name: 'mapstruct-jdk8', version: '1.2.0.Final'
    annotationProcessor 'org.mapstruct:mapstruct-processor:1.2.0.Final'
}

从Dto映射到模型的接口

@Mapper(unmappedTargetPolicy = ReportingPolicy.IGNORE)
public interface Mapper {
    DatabaseDto toModel(ModelDto source);
    // Converting DatabaseDto to ModelDto based on the matched Columns
    // Mappings with Different Column names from Source to Destination
    @Mappings({
        @Mapping(target="id", source="dto.employeeId"),
        @Mapping(target="name", source="dto.employeeName")
    })
    ModelDto fromModel(DatabaseDto dto);
}