Added sample application 09-spring-security-db-authentication

1 files changed, 53 insertions, 0 deletions

diff --git a/spring-boot/09-spring-security-db-authentication/src/main/java/com/example/spring/user/entity/User.java b/spring-boot/09-spring-security-db-authentication/src/main/java/com/example/spring/user/entity/User.java
new file mode 100644
index 0000000..a8ec6d2
--- /dev/null
+++ b/spring-boot/09-spring-security-db-authentication/src/main/java/com/example/spring/user/entity/User.java
@@ -0,0 +1,53 @@
+package com.example.spring.user.entity;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+
+/*
+    @Table - Used to set the database table name explicitely.
+*/
+@Entity
+@Table(name="user_account")
+public class User implements UserDetails {
+
+    /*
+        GenerationType.IDENTITY - Auto generate value based on database's native auto increment feature 
+    */
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(unique = true)
+    private String username;
+
+    private String password;
+
+    /*
+        Roles and permissions can be represented by GrantedAuthority instances.
+    */
+    @Override
+    public Collection<? extends GrantedAuthority> getAuthorities() {
+        return new ArrayList<>();
+    }
+
+    @Override
+    public String getPassword() {
+        return password;
+    }
+
+    @Override
+    public String getUsername() {
+        return username;
+    }
+
+}