6

src/main/java/org/example/config/SpringConfig.java

@@ -5,6 +5,8 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.core.env.Environment;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.datasource.DriverManagerDataSource;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
@@ -14,7 +16,7 @@ import org.thymeleaf.spring5.SpringTemplateEngine;
 import org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver;
 import org.thymeleaf.spring5.view.ThymeleafViewResolver;
 import javax.sql.DataSource;
-import java.sql.DriverManager;
+import java.util.Objects;
 
 /**
  * @author Neil Alishev
@@ -22,13 +24,15 @@ import java.sql.DriverManager;
 @Configuration
 @ComponentScan("org.example")
 @EnableWebMvc
+@PropertySource("classpath:database.properties")
 public class SpringConfig implements WebMvcConfigurer {
 
     private final ApplicationContext applicationContext;
-
+    private final Environment environment;
     @Autowired
-    public SpringConfig(ApplicationContext applicationContext) {
+    public SpringConfig(ApplicationContext applicationContext, Environment environment) {
         this.applicationContext = applicationContext;
+        this.environment = environment;
     }
 
     @Bean
@@ -58,10 +62,10 @@ public class SpringConfig implements WebMvcConfigurer {
     @Bean
     public DataSource dataSource(){
         DriverManagerDataSource dataSource = new DriverManagerDataSource();
-        dataSource.setDriverClassName("org.postgresql.Driver");
+        dataSource.setDriverClassName(Objects.requireNonNull(environment.getProperty("driver")));
-        dataSource.setUrl("jdbc:postgresql://192.168.0.10:5432/java");
+        dataSource.setUrl(Objects.requireNonNull(environment.getProperty("url")));
-        dataSource.setUsername("sanders");
+        dataSource.setUsername(Objects.requireNonNull(environment.getProperty("username")));
-        dataSource.setPassword("sanders");
+        dataSource.setPassword(Objects.requireNonNull(environment.getProperty("password")));
         return dataSource;
     }
 

src/main/resources/database.properties

@@ -0,0 +1,4 @@
+driver=org.postgresql.Driver
+url=jdbc:postgresql://192.168.0.10:5432/java
+username=sanders
+password=sanders

src/main/resources/database.properties.origin

@@ -0,0 +1,4 @@
+driver=
+url=
+username=
+password=