BAEL-434 Spring Roo (#1589)

* Code for Dependency Injection Article.

* Added Java based configuration. Downloaded formatter.xml and reformatted
all changed files. Manually changed tab into 4 spaces in XML
configuration files.

* BAEL-434 - Spring Roo project files generated by Spring Roo. No
formatting applied. Added POM, java and resources folders.

roo/src/main/java/com/baeldung/RooApplication.java

@@ -0,0 +1,23 @@
+package com.baeldung;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * = RooApplication
+ *
+ * TODO Auto-generated class documentation
+ *
+ */
+@SpringBootApplication
+public class RooApplication {
+
+    /**
+     * TODO Auto-generated method documentation
+     *
+     * @param args
+     */
+    public static void main(String[] args) {
+        SpringApplication.run(RooApplication.class, args);
+    }
+}

roo/src/main/java/com/baeldung/config/SpringDataJpaDetachableRepositoryConfiguration.java

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+package com.baeldung.config;
+import org.springframework.roo.addon.layers.repository.jpa.annotations.RooJpaRepositoryConfiguration;
+
+/**
+ * = SpringDataJpaDetachableRepositoryConfiguration
+ TODO Auto-generated class documentation
+ *
+ */
+@RooJpaRepositoryConfiguration
+public class SpringDataJpaDetachableRepositoryConfiguration {
+}

roo/src/main/java/com/baeldung/config/SpringDataJpaDetachableRepositoryConfiguration_Roo_Jpa_Repository_Configuration.aj

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+// WARNING: DO NOT EDIT THIS FILE. THIS FILE IS MANAGED BY SPRING ROO.
+// You may push code into the target .java compilation unit if you wish to edit any member(s).
+
+package com.baeldung.config;
+
+import com.baeldung.RooApplication;
+import com.baeldung.config.SpringDataJpaDetachableRepositoryConfiguration;
+import io.springlets.data.jpa.repository.support.DetachableJpaRepositoryImpl;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+privileged aspect SpringDataJpaDetachableRepositoryConfiguration_Roo_Jpa_Repository_Configuration {
+
+    declare @type: SpringDataJpaDetachableRepositoryConfiguration: @Configuration;
+
+    declare @type: SpringDataJpaDetachableRepositoryConfiguration: @EnableJpaRepositories(repositoryBaseClass = DetachableJpaRepositoryImpl.class, basePackageClasses = RooApplication.class);
+
+}

roo/src/main/java/com/baeldung/config/WebMvcConfiguration.java

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+package com.baeldung.config;
+import org.springframework.roo.addon.web.mvc.controller.annotations.config.RooWebMvcConfiguration;
+import org.springframework.roo.addon.web.mvc.thymeleaf.annotations.RooWebMvcThymeleafUIConfiguration;
+
+/**
+ * = WebMvcConfiguration
+ TODO Auto-generated class documentation
+ *
+ */
+@RooWebMvcConfiguration(defaultLanguage = "en")
+@RooWebMvcThymeleafUIConfiguration
+public class WebMvcConfiguration {
+}

roo/src/main/java/com/baeldung/config/WebMvcConfiguration_Roo_ThymeleafUIConfiguration.aj

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+// WARNING: DO NOT EDIT THIS FILE. THIS FILE IS MANAGED BY SPRING ROO.
+// You may push code into the target .java compilation unit if you wish to edit any member(s).
+
+package com.baeldung.config;
+
+import com.baeldung.config.WebMvcConfiguration;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.thymeleaf.ThymeleafProperties;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.annotation.Bean;
+import org.thymeleaf.TemplateEngine;
+import org.thymeleaf.spring4.templateresolver.SpringResourceTemplateResolver;
+import org.thymeleaf.spring4.view.ThymeleafViewResolver;
+import org.thymeleaf.templatemode.TemplateMode;
+
+privileged aspect WebMvcConfiguration_Roo_ThymeleafUIConfiguration {
+
+    declare parents: WebMvcConfiguration implements ApplicationContextAware;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     * 
+     */
+    @Autowired
+    private ThymeleafProperties WebMvcConfiguration.thymeleafProperties;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     * 
+     */
+    @Autowired
+    private TemplateEngine WebMvcConfiguration.templateEngine;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     * 
+     */
+    private ApplicationContext WebMvcConfiguration.applicationContext;
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @return ThymeleafProperties
+     */
+    public ThymeleafProperties WebMvcConfiguration.getThymeleafProperties() {
+        return thymeleafProperties;
+    }
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @return TemplateEngine
+     */
+    public TemplateEngine WebMvcConfiguration.getTemplateEngine() {
+        return templateEngine;
+    }
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @return ApplicationContext
+     */
+    public ApplicationContext WebMvcConfiguration.getApplicationContext() {
+        return applicationContext;
+    }
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @param applicationContext
+     */
+    public void WebMvcConfiguration.setApplicationContext(ApplicationContext applicationContext) {
+        this.applicationContext = applicationContext;
+    }
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @return ThymeleafViewResolver
+     */
+    @Bean
+    public ThymeleafViewResolver WebMvcConfiguration.javascriptThymeleafViewResolver() {
+        ThymeleafViewResolver resolver = new ThymeleafViewResolver();
+        resolver.setTemplateEngine(getTemplateEngine());
+        resolver.setCharacterEncoding("UTF-8");
+        resolver.setContentType("application/javascript");
+        resolver.setViewNames(new String[] {"*.js"});
+        resolver.setCache(getThymeleafProperties().isCache());
+        return resolver;
+    }
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @return SpringResourceTemplateResolver
+     */
+    @Bean
+    public SpringResourceTemplateResolver WebMvcConfiguration.javascriptTemplateResolver() {
+        SpringResourceTemplateResolver resolver = new SpringResourceTemplateResolver();
+        resolver.setApplicationContext(getApplicationContext());
+        resolver.setPrefix("classpath:/templates/fragments/js/");
+        resolver.setTemplateMode(TemplateMode.JAVASCRIPT);
+        resolver.setCharacterEncoding("UTF-8");
+        resolver.setCheckExistence(true);
+        resolver.setCacheable(getThymeleafProperties().isCache());
+        return resolver;
+    }
+
+}

roo/src/main/java/com/baeldung/config/WebMvcConfiguration_Roo_WebMvcConfiguration.aj

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+// WARNING: DO NOT EDIT THIS FILE. THIS FILE IS MANAGED BY SPRING ROO.
+// You may push code into the target .java compilation unit if you wish to edit any member(s).
+
+package com.baeldung.config;
+
+import com.baeldung.config.WebMvcConfiguration;
+import io.tracee.binding.springmvc.TraceeInterceptor;
+import java.lang.Override;
+import java.util.Locale;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
+import org.springframework.web.servlet.LocaleResolver;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
+import org.springframework.web.servlet.i18n.SessionLocaleResolver;
+
+privileged aspect WebMvcConfiguration_Roo_WebMvcConfiguration {
+
+    declare parents: WebMvcConfiguration extends WebMvcConfigurerAdapter;
+
+    declare @type: WebMvcConfiguration: @Configuration;
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @return LocalValidatorFactoryBean
+     */
+    @Primary
+    @Bean
+    public LocalValidatorFactoryBean WebMvcConfiguration.validator() {
+        return new LocalValidatorFactoryBean();
+    }
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @return LocaleResolver
+     */
+    @Bean
+    public LocaleResolver WebMvcConfiguration.localeResolver() {
+        SessionLocaleResolver localeResolver = new SessionLocaleResolver();
+        localeResolver.setDefaultLocale(new Locale("en"));
+        return localeResolver;
+    }
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @return LocaleChangeInterceptor
+     */
+    @Bean
+    public LocaleChangeInterceptor WebMvcConfiguration.localeChangeInterceptor() {
+        LocaleChangeInterceptor localeChangeInterceptor = new LocaleChangeInterceptor();
+        localeChangeInterceptor.setParamName("lang");
+        return localeChangeInterceptor;
+    }
+
+    /**
+     * TODO Auto-generated method documentation
+     * 
+     * @param registry
+     */
+    @Override
+    public void WebMvcConfiguration.addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(localeChangeInterceptor());
+        registry.addInterceptor(new TraceeInterceptor());
+    }
+
+}

roo/src/main/java/com/baeldung/config/jackson/DomainModelModule.java

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+package com.baeldung.config.jackson;
+import org.springframework.roo.addon.web.mvc.controller.annotations.config.RooDomainModelModule;
+
+/**
+ * = DomainModelModule
+ TODO Auto-generated class documentation
+ *
+ */
+@RooDomainModelModule
+public class DomainModelModule {
+}

roo/src/main/java/com/baeldung/config/jackson/DomainModelModule_Roo_DomainModelModule.aj

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+// WARNING: DO NOT EDIT THIS FILE. THIS FILE IS MANAGED BY SPRING ROO.
+// You may push code into the target .java compilation unit if you wish to edit any member(s).
+
+package com.baeldung.config.jackson;
+
+import com.baeldung.config.jackson.DomainModelModule;
+import com.baeldung.domain.Book;
+import com.baeldung.web.BookJsonMixin;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import org.springframework.boot.jackson.JsonComponent;
+
+privileged aspect DomainModelModule_Roo_DomainModelModule {
+
+    declare parents: DomainModelModule extends SimpleModule;
+
+    declare @type: DomainModelModule: @JsonComponent;
+
+    /**
+     * TODO Auto-generated constructor documentation
+     * 
+     */
+    public DomainModelModule.new() {
+        // Mixin registration
+
+        setMixInAnnotation(Book.class, BookJsonMixin.class);
+    }
+
+}

roo/src/main/java/com/baeldung/domain/Book.java

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+package com.baeldung.domain;
+import org.springframework.roo.addon.javabean.annotations.RooEquals;
+import org.springframework.roo.addon.javabean.annotations.RooJavaBean;
+import org.springframework.roo.addon.javabean.annotations.RooToString;
+import org.springframework.roo.addon.jpa.annotations.entity.RooJpaEntity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Version;
+import javax.validation.constraints.NotNull;
+
+/**
+ * = Book
+ TODO Auto-generated class documentation
+ *
+ */
+@RooJavaBean
+@RooToString
+@RooJpaEntity
+@RooEquals(isJpaEntity = true)
+public class Book {
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @Version
+    private Integer version;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @NotNull
+    private String title;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @NotNull
+    private String author;
+
+    /**
+     * TODO Auto-generated attribute documentation
+     *
+     */
+    @NotNull
+    private String isbn;
+}

roo/src/main/java/com/baeldung/domain/Book_Roo_Equals.aj

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+// WARNING: DO NOT EDIT THIS FILE. THIS FILE IS MANAGED BY SPRING ROO.
+// You may push code into the target .java compilation unit if you wish to edit any member(s).
+
+package com.baeldung.domain;
+
+import com.baeldung.domain.Book;
+import java.util.Objects;
+
+privileged aspect Book_Roo_Equals {
+
+    /**
+     * This `equals` implementation is specific for JPA entities and uses 
+     * the entity identifier for it, following the article in 
+     * https://vladmihalcea.com/2016/06/06/how-to-implement-equals-and-hashcode-using-the-jpa-entity-identifier/
+     * 
+     * @param obj
+     * @return Boolean
+     */
+    public boolean Book.equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        // instanceof is false if the instance is null
+        if (!(obj instanceof Book)) {
+            return false;
+        }
+        return getId() != null && Objects.equals(getId(), ((Book) obj).getId());
+    }
+
+    /**
+     * This `hashCode` implementation is specific for JPA entities and uses a fixed `int` value to be able 
+     * to identify the entity in collections after a new id is assigned to the entity, following the article in 
+     * https://vladmihalcea.com/2016/06/06/how-to-implement-equals-and-hashcode-using-the-jpa-entity-identifier/
+     * 
+     * @return Integer
+     */
+    public int Book.hashCode() {
+        return 31;
+    }
+
+}