In this example you will learn the basics of Spring data rest, where you can perform simple CRUD operations.
- Fetch all users
- Fetch Specific users
- Fetch users with pagination and sorting
- Search user by email
- Save user
Fetch all user
URL: http://localhost:8080/users
Method: GET
Response:
{
"_embedded" : {
"users" : [ {
"name" : "Deepak",
"email" : "deep@gmail.com",
"_links" : {
"self" : {
"href" : "http://localhost:8080/users/1"
},
"user" : {
"href" : "http://localhost:8080/users/1"
}
}
}, {
"name" : "Prajapati",
"email" : "praj@gmail.com",
"_links" : {
"self" : {
"href" : "http://localhost:8080/users/2"
},
"user" : {
"href" : "http://localhost:8080/users/2"
}
}
} ]
},
"_links" : {
"self" : {
"href" : "http://localhost:8080/users"
},
"profile" : {
"href" : "http://localhost:8080/profile/users"
}
},
"page" : {
"size" : 20,
"totalElements" : 2,
"totalPages" : 1,
"number" : 0
}
}Fetch specific user
URL: http://localhost:8080/users/1
Method: GET
Response:
{
"name" : "Deepak",
"email" : "deep@gmail.com",
"_links" : {
"self" : {
"href" : "http://localhost:8080/users/1"
},
"user" : {
"href" : "http://localhost:8080/users/1"
}
}
}Fetch users with pagination and sorting
URL: http://localhost:8080/users?page=0&size=2&sort=name,desc
Method: GET
Response:
{
"_embedded" : {
"users" : [ {
"name" : "Prajapati",
"email" : "praj@gmail.com",
"_links" : {
"self" : {
"href" : "http://localhost:8080/users/2"
},
"user" : {
"href" : "http://localhost:8080/users/2"
}
}
}, {
"name" : "Deepak",
"email" : "deep@gmail.com",
"_links" : {
"self" : {
"href" : "http://localhost:8080/users/1"
},
"user" : {
"href" : "http://localhost:8080/users/1"
}
}
} ]
},
"_links" : {
"self" : {
"href" : "http://localhost:8080/users?page=0&size=2&sort=name,desc"
},
"profile" : {
"href" : "http://localhost:8080/profile/users"
}
},
"page" : {
"size" : 2,
"totalElements" : 2,
"totalPages" : 1,
"number" : 0
}
}Search user by email
URL: http://localhost:8080/users/search/findByEmail?email=deep@gmail.com
Method: GET
Response:
{
"name" : "Deepak",
"email" : "deep@gmail.com",
"_links" : {
"self" : {
"href" : "http://localhost:8080/users/1"
},
"user" : {
"href" : "http://localhost:8080/users/1"
}
}
}Save user
URL: http://localhost:8080/users/
Method: POST
Request:
{
"name":"Ramesh",
"email":"ramesh@gmail.com"
}Response:
{
"name": "Ramesh",
"email": "ramesh@gmail.com",
"_links": {
"self": {
"href": "http://localhost:8080/users/3"
},
"user": {
"href": "http://localhost:8080/users/3"
}
}
}<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-rest</artifactId> </dependency>