Merge pull request #9083 from amit2103/JAVA-1192

Java 1192
2020-04-17 10:39:01 -06:00
parent ed1f9a81ba b43d6e9bc8
commit 748fa91464
19 changed files with 313 additions and 7 deletions
@@ -24,6 +24,22 @@
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
+        
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.zaxxer</groupId>
+                    <artifactId>HikariCP</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-core</artifactId>
+        </dependency>

        <!--Test -->
        <dependency>
@@ -32,4 +48,5 @@
            <scope>test</scope>
        </dependency>
    </dependencies>
+    
 </project>
@@ -0,0 +1,16 @@
+package com.baeldung.annotations;
+
+import java.util.Properties;
+
+import org.springframework.context.annotation.Conditional;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ConditionalBeanConfiguration {
+
+    @Conditional(HibernateCondition.class)
+    Properties additionalProperties() {
+        // application specific properties
+        return new Properties();
+    }
+}
@@ -0,0 +1,16 @@
+package com.baeldung.annotations;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HealthCheckController {
+
+    private static final String STATUS = "UP";
+    
+    @GetMapping("/health")
+    public ResponseEntity<String> healthCheck() {
+        return ResponseEntity.ok(STATUS);
+    }
+}
@@ -0,0 +1,15 @@
+package com.baeldung.annotations;
+
+import org.springframework.context.annotation.Condition;
+import org.springframework.context.annotation.ConditionContext;
+import org.springframework.core.type.AnnotatedTypeMetadata;
+
+public class HibernateCondition implements Condition {
+
+    @Override
+    public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
+        // application specific condition check
+        return true;
+    }
+
+}
@@ -0,0 +1,59 @@
+package com.baeldung.annotations;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+import javax.sql.DataSource;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnResource;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+import org.springframework.orm.jpa.JpaVendorAdapter;
+import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
+import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
+
+@Configuration
+@ConditionalOnClass(DataSource.class)
+public class MySQLAutoconfiguration {
+
+    @Bean
+    @ConditionalOnBean(name = "dataSource")
+    LocalContainerEntityManagerFactoryBean entityManagerFactory() throws IOException {
+      final LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
+      em.setDataSource(dataSource());
+      em.setPackagesToScan(new String[] { "com.baeldung.persistence.model" });
+ 
+      final JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
+      em.setJpaVendorAdapter(vendorAdapter);
+      em.setJpaProperties(additionalProperties());
+      return em;
+    }
+    
+    @Bean
+    @ConditionalOnProperty(name = "usemysql", havingValue = "local")
+    DataSource dataSource() {
+        DriverManagerDataSource dataSource = new DriverManagerDataSource();
+        dataSource.setDriverClassName("org.hsqldb.jdbcDriver");
+        dataSource.setUrl("jdbc:hsqldb:mem:testdb");
+        dataSource.setUsername( "sa" );
+        dataSource.setPassword( "" );
+        return dataSource;
+    }
+    
+    @ConditionalOnResource(resources = "classpath:mysql.properties")
+    Properties additionalProperties() throws IOException {
+        final Properties additionalProperties = new Properties();
+        
+        try (InputStream inputStream = new ClassPathResource("classpath:mysql.properties").getInputStream()) {
+            additionalProperties.load(inputStream);
+        }
+        
+        return additionalProperties;
+    }
+}
@@ -0,0 +1,13 @@
+package com.baeldung.annotations;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class WebApplicationSpecificConfiguration {
+
+    @ConditionalOnWebApplication
+    HealthCheckController healthCheckController() {
+        return new HealthCheckController();
+    }
+}
@@ -7,7 +7,7 @@ import org.springframework.context.annotation.ComponentScan;
 import com.baeldung.configurationproperties.ConfigProperties;

@SpringBootApplication
-@ComponentScan(basePackageClasses = { ConfigProperties.class, JsonProperties.class, CustomJsonProperties.class })
+@ComponentScan(basePackageClasses = { ConfigProperties.class, JsonProperties.class, CustomJsonProperties.class, Database.class })
 public class ConfigPropertiesDemoApplication {
    public static void main(String[] args) {
        new SpringApplicationBuilder(ConfigPropertiesDemoApplication.class).initializers(new JsonPropertyContextInitializer())
@@ -0,0 +1,33 @@
+package com.baeldung.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ConfigurationProperties(prefix = "database")
+public class Database {
+
+    private String url;
+    private String username;
+    private String password;
+    
+    public String getUrl() {
+        return url;
+    }
+    public void setUrl(String url) {
+        this.url = url;
+    }
+    public String getUsername() {
+        return username;
+    }
+    public void setUsername(String username) {
+        this.username = username;
+    }
+    public String getPassword() {
+        return password;
+    }
+    public void setPassword(String password) {
+        this.password = password;
+    }
+    
+}
@@ -1,4 +1,8 @@
 management.endpoints.web.exposure.include=refresh
 spring.properties.refreshDelay=1000
 spring.config.location=file:extra.properties
-spring.main.allow-bean-definition-overriding=true
+spring.main.allow-bean-definition-overriding=true
+
+database.url=jdbc:postgresql:/localhost:5432/instance
+database.username=foo
+database.password=bar
@@ -0,0 +1,30 @@
+package com.baeldung.configurationproperties;
+
+import org.junit.Assert;
+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.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.properties.ConfigPropertiesDemoApplication;
+import com.baeldung.properties.Database;
+
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = ConfigPropertiesDemoApplication.class)
+@TestPropertySource("classpath:application.properties")
+public class DatabasePropertiesIntegrationTest {
+
+    @Autowired
+    private Database database;
+    
+    @Test
+    public void testDatabaseProperties() {
+        Assert.assertNotNull(database);
+        Assert.assertEquals("jdbc:postgresql:/localhost:5432/instance", database.getUrl());
+        Assert.assertEquals("foo", database.getUsername());
+        Assert.assertEquals("bar", database.getPassword());
+    }
+}
@@ -1,4 +1,8 @@
 management.endpoints.web.exposure.include=refresh
 spring.properties.refreshDelay=1000
 spring.config.location=file:extra.properties
-spring.main.allow-bean-definition-overriding=true
+spring.main.allow-bean-definition-overriding=true
+
+database.url=jdbc:postgresql:/localhost:5432/instance
+database.username=foo
+database.password=bar