iSharkFly-Docs/java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

BAEL-5978: Case Insensitive Enum Mapping in Spring Boot (#13061)

Browse Source 
* BAEL-5978: Case Insensitive Enum Mapping in Spring Boot

* Move code to a new module: spring-boot-request-params
This commit is contained in:
Azhwani 2022-11-27 15:50:55 +01:00 committed by GitHub
parent f191427bea
commit 30eccf2ae8
11 changed files with 264 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
spring-boot-modules/spring-boot-request-params/README.md Normal file
View File

@ -0,0 +1,5 @@
## Spring Boot Request Params
This module contains articles about Spring Boot Request Params
### Relevant Articles:

28
spring-boot-modules/spring-boot-request-params/pom.xml Normal file
View File

@ -0,0 +1,28 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-boot-request-params</artifactId>
<name>spring-boot-request-params</name>
<packaging>jar</packaging>
<description>Module For Spring Boot Request Params</description>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
</dependencies>
</project>

13
spring-boot-modules/spring-boot-request-params/src/main/java/com/baeldung/enummapping/EnumMappingMainApplication.java Normal file
View File

@ -0,0 +1,13 @@
package com.baeldung.enummapping;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class EnumMappingMainApplication {
public static void main(String[] args) {
SpringApplication.run(EnumMappingMainApplication.class, args);
}
}

17
spring-boot-modules/spring-boot-request-params/src/main/java/com/baeldung/enummapping/config/EnumMappingConfig.java Normal file
View File

@ -0,0 +1,17 @@
package com.baeldung.enummapping.config;
import org.springframework.boot.convert.ApplicationConversionService;
import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import com.baeldung.enummapping.converters.StringToLevelConverter;
@Configuration
public class EnumMappingConfig implements WebMvcConfigurer {
@Override
public void addFormatters(FormatterRegistry registry) {
ApplicationConversionService.configure(registry);
registry.addConverter(new StringToLevelConverter());
}
}

30
spring-boot-modules/spring-boot-request-params/src/main/java/com/baeldung/enummapping/controllers/EnumMappingController.java Normal file
View File

@ -0,0 +1,30 @@
package com.baeldung.enummapping.controllers;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.enummapping.editors.LevelEditor;
import com.baeldung.enummapping.enums.Level;
@RestController
@RequestMapping("enummapping")
public class EnumMappingController {
@InitBinder
public void initBinder(WebDataBinder dataBinder) {
dataBinder.registerCustomEditor(Level.class, new LevelEditor());
}
@GetMapping("/get")
public String getByLevel(@RequestParam(required = false) Level level) {
if (level != null) {
return level.name();
}
return "undefined";
}
}

19
spring-boot-modules/spring-boot-request-params/src/main/java/com/baeldung/enummapping/converters/StringToLevelConverter.java Normal file
View File

@ -0,0 +1,19 @@
package com.baeldung.enummapping.converters;
import org.apache.commons.lang3.EnumUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.core.convert.converter.Converter;
import com.baeldung.enummapping.enums.Level;
public class StringToLevelConverter implements Converter<String, Level> {
@Override
public Level convert(String source) {
if (StringUtils.isBlank(source)) {
return null;
}
return EnumUtils.getEnum(Level.class, source.toUpperCase());
}
}

22
spring-boot-modules/spring-boot-request-params/src/main/java/com/baeldung/enummapping/editors/LevelEditor.java Normal file
View File

@ -0,0 +1,22 @@
package com.baeldung.enummapping.editors;
import java.beans.PropertyEditorSupport;
import org.apache.commons.lang3.EnumUtils;
import org.apache.commons.lang3.StringUtils;
import com.baeldung.enummapping.enums.Level;
public class LevelEditor extends PropertyEditorSupport {
@Override
public void setAsText(String text) {
if (StringUtils.isBlank(text)) {
setValue(null);
} else {
setValue(EnumUtils.getEnum(Level.class, text.toUpperCase()));
}
}
}

7
spring-boot-modules/spring-boot-request-params/src/main/java/com/baeldung/enummapping/enums/Level.java Normal file
View File

@ -0,0 +1,7 @@
package com.baeldung.enummapping.enums;
public enum Level {
LOW, MEDIUM, HIGH
}

52
spring-boot-modules/spring-boot-request-params/src/test/java/com/baeldung/enummapping/EnumMappingIntegrationTest.java Normal file
View File

@ -0,0 +1,52 @@
package com.baeldung.enummapping;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import com.baeldung.enummapping.controllers.EnumMappingController;
import com.baeldung.enummapping.enums.Level;
@RunWith(SpringRunner.class)
@WebMvcTest(EnumMappingController.class)
public class EnumMappingIntegrationTest {
@Autowired
private MockMvc mockMvc;
@Test
public void whenPassingLowerCaseEnumConstant_thenConvert() throws Exception {
mockMvc.perform(get("/enummapping/get?level=medium"))
.andExpect(status().isOk())
.andExpect(content().string(Level.MEDIUM.name()));
}
@Test
public void whenPassingUnknownEnumConstant_thenReturnUndefined() throws Exception {
mockMvc.perform(get("/enummapping/get?level=unknown"))
.andExpect(status().isOk())
.andExpect(content().string("undefined"));
}
@Test
public void whenPassingEmptyParameter_thenReturnUndefined() throws Exception {
mockMvc.perform(get("/enummapping/get?level="))
.andExpect(status().isOk())
.andExpect(content().string("undefined"));
}
@Test
public void whenPassingNoParameter_thenReturnUndefined() throws Exception {
mockMvc.perform(get("/enummapping/get"))
.andExpect(status().isOk())
.andExpect(content().string("undefined"));
}
}

37
spring-boot-modules/spring-boot-request-params/src/test/java/com/baeldung/enummapping/converters/StringToLevelConverterIntegrationTest.java Normal file
View File

@ -0,0 +1,37 @@
package com.baeldung.enummapping.converters;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.core.convert.ConversionService;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.enummapping.EnumMappingMainApplication;
import com.baeldung.enummapping.enums.Level;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = EnumMappingMainApplication.class)
public class StringToLevelConverterIntegrationTest {
@Autowired
ConversionService conversionService;
@Test
public void whenConvertStringToLevelEnumUsingCustomConverter_thenSuccess() {
assertThat(conversionService.convert("low", Level.class)).isEqualTo(Level.LOW);
}
@Test
public void whenStringIsEmpty_thenReturnNull() {
assertThat(conversionService.convert("", Level.class)).isNull();
}
@Test
public void whenStringIsNull_thenReturnNull() {
assertThat(conversionService.convert(null, Level.class)).isNull();
}
}

34
spring-boot-modules/spring-boot-request-params/src/test/java/com/baeldung/enummapping/editors/LevelEditorIntegrationTest.java Normal file
View File

@ -0,0 +1,34 @@
package com.baeldung.enummapping.editors;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
import com.baeldung.enummapping.enums.Level;
public class LevelEditorIntegrationTest {
private final LevelEditor levelEditor = new LevelEditor();
@Test
public void whenConvertStringToLevelEnumUsingCustomPropertyEditor_thenSuccess() {
levelEditor.setAsText("lOw");
assertThat(levelEditor.getValue()).isEqualTo(Level.LOW);
}
@Test
public void whenStringIsEmpty_thenReturnNull() {
levelEditor.setAsText("");
assertThat(levelEditor.getValue()).isNull();
}
@Test
public void whenStringIsNull_thenReturnNull() {
levelEditor.setAsText(null);
assertThat(levelEditor.getValue()).isNull();
}
}