// 4 空格缩进
public class Example {
    public void method() {
        if (condition) {
            doSomething();
        }
    }
}

// 行宽限制：100 字符
// 使用 @Nullable/@NonNull 注解
// Lombok 注解简化代码

/* (c) 2024 Open Source Geospatial Foundation - all rights reserved
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */
package org.geoserver.cloud.example;

@SpringBootTest
@AutoConfigureMockMvc
class WmsControllerTest {
    
    @Autowired
    private MockMvc mockMvc;
    
    @Test
    void testGetCapabilities() throws Exception {
        mockMvc.perform(get("/wms?service=WMS&request=GetCapabilities"))
               .andExpect(status().isOk())
               .andExpect(content().contentType(MediaType.APPLICATION_XML));
    }
}

// 自定义输出格式示例
@Component
public class MyCustomOutputFormat extends WFSGetFeatureOutputFormat {
    
    public static final String MIME_TYPE = "application/x-myformat";
    
    public MyCustomOutputFormat() {
        super(MIME_TYPE);
    }
    
    @Override
    public String getMimeType(Object value, Operation operation) {
        return MIME_TYPE;
    }
    
    @Override
    protected void write(
            FeatureCollectionResponse featureCollection, 
            OutputStream output, 
            Operation operation) throws IOException {
        // 实现格式化输出
    }
}

@Configuration
@ConditionalOnClass(GeoServer.class)
@AutoConfigureAfter(GeoServerAutoConfiguration.class)
public class MyFormatAutoConfiguration {
    
    @Bean
    @ConditionalOnMissingBean
    public MyCustomOutputFormat myCustomOutputFormat() {
        return new MyCustomOutputFormat();
    }
}

// MyFormatStarter 模块
@Configuration
@EnableAutoConfiguration
@Import(MyFormatAutoConfiguration.class)
public class MyFormatStarterConfiguration {
    // 可以添加条件配置
}

@Component
public class CustomAuthenticationProvider implements AuthenticationProvider {
    
    @Override
    public Authentication authenticate(Authentication authentication) 
            throws AuthenticationException {
        String username = authentication.getName();
        String password = authentication.getCredentials().toString();
        
        // 自定义认证逻辑
        if (validateCredentials(username, password)) {
            List<GrantedAuthority> authorities = loadAuthorities(username);
            return new UsernamePasswordAuthenticationToken(
                username, password, authorities);
        }
        
        throw new BadCredentialsException("Authentication failed");
    }
    
    @Override
    public boolean supports(Class<?> authentication) {
        return UsernamePasswordAuthenticationToken.class
            .isAssignableFrom(authentication);
    }
    
    private boolean validateCredentials(String username, String password) {
        // 实现验证逻辑
        return true;
    }
    
    private List<GrantedAuthority> loadAuthorities(String username) {
        // 加载用户权限
        return List.of(new SimpleGrantedAuthority("ROLE_USER"));
    }
}

@Configuration
@EnableWebSecurity
public class CustomSecurityConfig {
    
    @Autowired
    private CustomAuthenticationProvider customAuthProvider;
    
    @Bean
    public AuthenticationManager authManager(HttpSecurity http) throws Exception {
        AuthenticationManagerBuilder authBuilder = 
            http.getSharedObject(AuthenticationManagerBuilder.class);
        authBuilder.authenticationProvider(customAuthProvider);
        return authBuilder.build();
    }
}

@DescribeProcess(
    title = "Custom Buffer",
    description = "Create buffer with custom parameters"
)
public class CustomBufferProcess implements GeoServerProcess {
    
    @DescribeResult(description = "Buffered geometry")
    public Geometry execute(
            @DescribeParameter(name = "geometry", description = "Input geometry") 
            Geometry geometry,
            @DescribeParameter(name = "distance", description = "Buffer distance") 
            Double distance,
            @DescribeParameter(name = "segments", description = "Number of segments", min = 0) 
            Integer segments) {
        
        if (segments == null) {
            segments = 8;
        }
        
        return geometry.buffer(distance, segments);
    }
}

@Configuration
public class CustomProcessConfiguration {
    
    @Bean
    public CustomBufferProcess customBufferProcess() {
        return new CustomBufferProcess();
    }
}

@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@ActiveProfiles({"test", "pgconfig"})
@Testcontainers
class WmsIntegrationTest {
    
    @Container
    static PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>("postgres:15");
    
    @Autowired
    private TestRestTemplate restTemplate;
    
    @Test
    void testGetCapabilities() {
        ResponseEntity<String> response = restTemplate.getForEntity(
            "/wms?service=WMS&request=GetCapabilities",
            String.class);
        
        assertThat(response.getStatusCode()).isEqualTo(HttpStatus.OK);
        assertThat(response.getBody()).contains("WMS_Capabilities");
    }
}