sync source code with article

jackson-modules/jackson-conversions/src/test/java/com/baeldung/jackson/date/JacksonDateUnitTest.java

@@ -1,6 +1,7 @@
 package com.baeldung.jackson.date;
 
 import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.CoreMatchers.*;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
 
@@ -8,6 +9,8 @@ import java.io.IOException;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
 import java.util.Date;
 import java.util.TimeZone;
 
@@ -30,7 +33,7 @@ import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 public class JacksonDateUnitTest {
 
     @Test
-    public void whenSerializingDateWithJackson_thenSerializedToNumber() throws JsonProcessingException, ParseException {
+    public void whenSerializingDateWithJackson_thenSerializedToTimestamp() throws JsonProcessingException, ParseException {
         final SimpleDateFormat df = new SimpleDateFormat("dd-MM-yyyy hh:mm");
         df.setTimeZone(TimeZone.getTimeZone("UTC"));
 
@@ -61,6 +64,21 @@ public class JacksonDateUnitTest {
         final String result = mapper.writeValueAsString(event);
         assertThat(result, containsString("1970-01-01T02:30:00.000+00:00"));
     }
+    
+    @Test
+    public void whenDeserialisingZonedDateTimeWithDefaults_thenNotCorrect()
+      throws IOException {
+        ObjectMapper objectMapper = new ObjectMapper();
+        objectMapper.findAndRegisterModules();
+        objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+        ZonedDateTime now = ZonedDateTime.now(ZoneId.of("UTC"));
+        String converted = objectMapper.writeValueAsString(now);
+     
+        ZonedDateTime restored = objectMapper.readValue(converted, ZonedDateTime.class);
+        System.out.println("serialized: " + now);
+        System.out.println("restored: " + restored);
+        assertThat(now, is(restored));
+    }
 
     @Test
     public void whenSettingObjectMapperDateFormat_thenCorrect() throws JsonProcessingException, ParseException {

persistence-modules/spring-hibernate4/src/main/java/com/baeldung/hibernate/audit/AuditorAwareImpl.java

@@ -0,0 +1,21 @@
+package com.baeldung.hibernate.audit;
+
+import java.util.Optional;
+
+import org.springframework.data.domain.AuditorAware;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.stereotype.Component;
+
+@Component("auditorProvider")
+public class AuditorAwareImpl implements AuditorAware<String> {
+
+    @Override
+    public String getCurrentAuditor() {
+        return Optional.ofNullable(SecurityContextHolder.getContext())
+            .map(e -> e.getAuthentication())
+            .map(Authentication::getName)
+            .orElse(null);
+    }
+
+}

persistence-modules/spring-hibernate4/src/main/java/com/baeldung/spring/PersistenceConfig.java

@@ -46,7 +46,7 @@ import com.google.common.base.Preconditions;
 @Configuration
 @EnableTransactionManagement
 @EnableJpaRepositories(basePackages = { "com.baeldung.persistence" }, transactionManagerRef = "jpaTransactionManager")
-@EnableJpaAuditing
+@EnableJpaAuditing(auditorAwareRef = "auditorProvider")
 @PropertySource({ "classpath:persistence-h2.properties" })
 @ComponentScan({ "com.baeldung.persistence" })
 public class PersistenceConfig {

spring-boot-modules/spring-boot-annotations/pom.xml

@@ -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>

spring-boot-modules/spring-boot-annotations/src/main/java/com/baeldung/annotations/ConditionalBeanConfiguration.java

@@ -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();
+    }
+}

spring-boot-modules/spring-boot-annotations/src/main/java/com/baeldung/annotations/HealthCheckController.java

@@ -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);
+    }
+}

spring-boot-modules/spring-boot-annotations/src/main/java/com/baeldung/annotations/HibernateCondition.java

@@ -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;
+    }
+
+}

spring-boot-modules/spring-boot-annotations/src/main/java/com/baeldung/annotations/MySQLAutoconfiguration.java

@@ -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;
+    }
+}

spring-boot-modules/spring-boot-annotations/src/main/java/com/baeldung/annotations/WebApplicationSpecificConfiguration.java

@@ -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();
+    }
+}

spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/properties/ConfigPropertiesDemoApplication.java

@@ -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())

spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/properties/Database.java

@@ -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;
+    }
+    
+}

spring-boot-modules/spring-boot-properties/src/main/resources/application.properties

@@ -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

spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/configurationproperties/DatabasePropertiesIntegrationTest.java

@@ -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());
+    }
+}

spring-boot-modules/spring-boot-properties/src/test/resources/application.properties

@@ -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

spring-mvc-java/src/main/java/com/baeldung/spring/web/config/MainWebAppInitializer.java

@@ -0,0 +1,32 @@
+package com.baeldung.spring.web.config;
+
+import javax.servlet.MultipartConfigElement;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRegistration;
+
+import org.springframework.web.WebApplicationInitializer;
+import org.springframework.web.context.support.GenericWebApplicationContext;
+import org.springframework.web.servlet.DispatcherServlet;
+
+public class MainWebAppInitializer implements WebApplicationInitializer {
+
+    private String TMP_FOLDER = "/tmp"; 
+    private int MAX_UPLOAD_SIZE = 5 * 1024 * 1024;
+    
+    @Override
+    public void onStartup(ServletContext sc) throws ServletException {
+
+        ServletRegistration.Dynamic appServlet = sc.addServlet("mvc", new DispatcherServlet(
+            new GenericWebApplicationContext()));
+
+        appServlet.setLoadOnStartup(1);
+
+        MultipartConfigElement multipartConfigElement = new MultipartConfigElement(TMP_FOLDER, 
+            MAX_UPLOAD_SIZE, MAX_UPLOAD_SIZE * 2, MAX_UPLOAD_SIZE / 2);
+
+        appServlet.setMultipartConfig(multipartConfigElement);
+
+    }
+
+}

spring-mvc-java/src/main/java/com/baeldung/spring/web/config/WebConfig.java

@@ -12,6 +12,7 @@ import org.springframework.context.support.ResourceBundleMessageSource;
 import org.springframework.http.MediaType;
 import org.springframework.http.converter.ByteArrayHttpMessageConverter;
 import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.web.multipart.commons.CommonsMultipartResolver;
 import org.springframework.web.servlet.ViewResolver;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
@@ -121,4 +122,11 @@ public class WebConfig implements WebMvcConfigurer {
     public ExcelPOIHelper excelPOIHelper() {
         return new ExcelPOIHelper();
     }
+    
+    @Bean(name = "multipartResolver")
+    public CommonsMultipartResolver multipartResolver() {
+        CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver();
+        multipartResolver.setMaxUploadSize(100000);
+        return multipartResolver;
+    }
 }

spring-rest-http/src/main/java/com/baeldung/requestmapping/FooMappingExamplesController.java

@@ -72,7 +72,7 @@ public class FooMappingExamplesController {
 
     @RequestMapping(value = "/foos", produces = { "application/json", "application/xml" })
     @ResponseBody
-    public String getFoosAsJsonFromREST() {
+    public String getFoosAsJsonFromBrowser() {
         return "Get some Foos with Header New";
     }
 

spring-scheduling/src/test/java/com/baeldung/springretry/SpringRetryTest.java

@@ -12,7 +12,7 @@ import java.sql.SQLException;
 
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration(classes = AppConfig.class, loader = AnnotationConfigContextLoader.class)
-public class SpringRetryIntegrationTest {
+public class SpringRetryTest {
 
     @Autowired
     private MyService myService;

spring-security-modules/spring-security-mvc/src/main/java/com/baeldung/session/web/config/MainWebAppInitializer.java

@@ -0,0 +1,16 @@
+package com.baeldung.session.web.config;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+
+import org.springframework.web.WebApplicationInitializer;
+
+public class MainWebAppInitializer implements WebApplicationInitializer {
+
+    @Override
+    public void onStartup(ServletContext sc) throws ServletException {
+        sc.getSessionCookieConfig().setHttpOnly(true);        
+        sc.getSessionCookieConfig().setSecure(true);
+    }
+
+}

spring-security-modules/spring-security-rest-custom/src/main/java/com/baeldung/web/controller/SecurityController.java

@@ -18,7 +18,7 @@ public class SecurityController {
 
     @RequestMapping(value = "/username2", method = RequestMethod.GET)
     @ResponseBody
-    public String currentUserNameSimple(final Principal principal) {
+    public String currentUserName(final Principal principal) {
         return principal.getName();
     }