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BAEL-6080: Getting Query String Parameters from HttpServletRequest

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Forb Yuan 2023-12-27 10:11:41 +08:00
parent cd654c9e20
commit 69eddf18d3
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3 changed files with 55 additions and 53 deletions
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59
spring-web-modules/spring-mvc-basics-5/src/main/java/com/baeldung/requestparam/QueryStringController.java
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@ -1,64 +1,65 @@
package com.baeldung.requestparam;
import jakarta.servlet.http.HttpServletRequest;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import jakarta.servlet.http.HttpServletRequest;
@RestController
public class QueryStringController {
@GetMapping("/api/user0")
@GetMapping("/api/byGetQueryString")
public String byGetQueryString(HttpServletRequest request) {
return request.getQueryString();
}
@GetMapping("/api/user1")
@GetMapping("/api/byGetParameter")
public String byGetParameter(HttpServletRequest request) {
String username = request.getParameter("username");
return "username:" + username;
}
@GetMapping("/api/user2")
@GetMapping("/api/byGetParameterValues")
public String byGetParameterValues(HttpServletRequest request) {
String[] roles = request.getParameterValues("roles");
return "roles:" + Arrays.toString(roles);
}
@GetMapping("/api/user3")
public UserDTO byGetParameterMap(HttpServletRequest request) {
@GetMapping("/api/byGetParameterMap")
public UserDto byGetParameterMap(HttpServletRequest request) {
Map<String, String[]> parameterMap = request.getParameterMap();
String[] usernames = parameterMap.get("username");
String[] roles = parameterMap.get("roles");
UserDTO userDTO = new UserDTO();
userDTO.setUsername(usernames[0]);
userDTO.setRoles(Arrays.asList(roles));
return userDTO;
UserDto userDto = new UserDto();
userDto.setUsername(usernames[0]);
userDto.setRoles(Arrays.asList(roles));
return userDto;
}
@GetMapping("/api/user4")
public UserDTO byParameterName(String username, String[] roles) {
UserDTO userDTO = new UserDTO();
userDTO.setUsername(username);
userDTO.setRoles(Arrays.asList(roles));
return userDTO;
@GetMapping("/api/byParameterName")
public UserDto byParameterName(String username, String[] roles) {
UserDto userDto = new UserDto();
userDto.setUsername(username);
userDto.setRoles(Arrays.asList(roles));
return userDto;
}
@GetMapping("/api/user5")
public UserDTO byRequestParamAnnotation(@RequestParam("username") String var1, @RequestParam("roles") List<String> var2) {
UserDTO userDTO = new UserDTO();
userDTO.setUsername(var1);
userDTO.setRoles(var2);
return userDTO;
@GetMapping("/api/byAnnoRequestParam")
public UserDto byAnnoRequestParam(@RequestParam("username") String var1, @RequestParam("roles") List<String> var2) {
UserDto userDto = new UserDto();
userDto.setUsername(var1);
userDto.setRoles(var2);
return userDto;
}
@GetMapping("/api/user6")
public UserDTO byPojo(UserDTO userDTO) {
return userDTO;
@GetMapping("/api/byPojo")
public UserDto byPojo(UserDto userDto) {
return userDto;
}
}

2
spring-web-modules/spring-mvc-basics-5/src/main/java/com/baeldung/requestparam/UserDTO.java → spring-web-modules/spring-mvc-basics-5/src/main/java/com/baeldung/requestparam/UserDto.java
View File

@ -2,7 +2,7 @@ package com.baeldung.requestparam;
import java.util.List;
public class UserDTO {
public class UserDto {
private String username;
private List<String> roles;

47
spring-web-modules/spring-mvc-basics-5/src/test/java/com/baeldung/requestparam/QueryStringControllerIntegrationTest.java
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@ -1,5 +1,12 @@
package com.baeldung.requestparam;
import static org.hamcrest.Matchers.containsInRelativeOrder;
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.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import static org.springframework.test.web.servlet.setup.MockMvcBuilders.standaloneSetup;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
@ -9,12 +16,6 @@ import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMock
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.web.servlet.MockMvc;
import static org.hamcrest.Matchers.containsInRelativeOrder;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
import static org.springframework.test.web.servlet.setup.MockMvcBuilders.standaloneSetup;
@SpringBootTest
@AutoConfigureMockMvc
class QueryStringControllerIntegrationTest {
@ -29,36 +30,36 @@ class QueryStringControllerIntegrationTest {
@Test
public void whenInvokeGetQueryString_thenReturnTheOriginQueryString() throws Exception {
this.mockMvc.perform(get("/api/user0?username=bob&roles=admin&roles=stuff"))
.andExpect(status().isOk())
.andExpect(content().string("username=bob&roles=admin&roles=stuff"));
this.mockMvc.perform(get("/api/byGetQueryString?username=bob&roles=admin&roles=stuff"))
.andExpect(status().isOk())
.andExpect(content().string("username=bob&roles=admin&roles=stuff"));
}
@Test
public void whenInvokeGetQueryParameter_thenReturnOneParameterValue() throws Exception {
this.mockMvc.perform(get("/api/user1?username=bob"))
.andExpect(status().isOk())
.andExpect(content().string("username:bob"));
this.mockMvc.perform(get("/api/byGetParameter?username=bob"))
.andExpect(status().isOk())
.andExpect(content().string("username:bob"));
}
@Test
public void whenInvokeGetParameterValues_thenReturnParameterAsArray() throws Exception {
this.mockMvc.perform(get("/api/user2?roles=admin&roles=stuff"))
.andExpect(status().isOk())
.andExpect(content().string("roles:[admin, stuff]"));
this.mockMvc.perform(get("/api/byGetParameterValues?roles=admin&roles=stuff"))
.andExpect(status().isOk())
.andExpect(content().string("roles:[admin, stuff]"));
}
@ParameterizedTest
@CsvSource(textBlock = """
/api/user3
/api/user4
/api/user5
/api/user6
""")
/api/byGetParameterMap
/api/byParameterName
/api/byAnnoRequestParam
/api/byPojo
""")
public void whenPassParameters_thenReturnResolvedModel(String path) throws Exception {
this.mockMvc.perform(get(path + "?username=bob&roles=admin&roles=stuff"))
.andExpect(status().isOk())
.andExpect(jsonPath("$.username").value("bob"))
.andExpect(jsonPath("$.roles").value(containsInRelativeOrder("admin", "stuff")));
.andExpect(status().isOk())
.andExpect(jsonPath("$.username").value("bob"))
.andExpect(jsonPath("$.roles").value(containsInRelativeOrder("admin", "stuff")));
}
}