br.com.anteros.springWeb.config.AnterosSpringMvcConfiguration Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of Anteros-Spring-Web Show documentation
Anteros Spring Web for Java.
There is a newer version: 2.0.31
package br.com.anteros.springWeb.config;

import java.util.List;

import javax.servlet.FilterRegistration;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration.Dynamic;
import javax.sql.DataSource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.context.ContextLoaderListener;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import br.com.anteros.persistence.session.SQLSessionFactory;
import br.com.anteros.spring.transaction.AnterosTransactionManager;
import br.com.anteros.springWeb.converter.AnterosHttpMessageConverter;
import br.com.anteros.springWeb.support.OpenSQLSessionInViewFilter;

@Configuration
@EnableTransactionManagement
@EnableWebMvc
public abstract class AnterosSpringMvcConfiguration extends WebMvcConfigurerAdapter {

	private static final String DISPATCHER = "dispatcher";
	private static final String OPEN_SQL_SESSION_IN_VIEW_FILTER = "OpenSQLSessionInViewFilter";

	public void onStartup(ServletContext servletContext) throws ServletException {
		AnnotationConfigWebApplicationContext appContext = new AnnotationConfigWebApplicationContext();

		if (getDisplayName() != null) {
			appContext.setDisplayName(getDisplayName());
		}
		if (registerFirstConfigurationClasses() != null) {
			for (Class clz : registerFirstConfigurationClasses()) {
				appContext.register(clz);
			}
		}
		if (persistenceConfigurationClass() != null) {
			appContext.register(persistenceConfigurationClass());
		}

		if (mvcConfigurationClass() != null) {
			appContext.register(mvcConfigurationClass());
		}

		if (swaggerConfigurationClass() != null) {
			appContext.register(swaggerConfigurationClass());
		}

		if (jsonDocConfigurationClass() != null) {
			appContext.register(jsonDocConfigurationClass());
		}

		if (registerLastConfigurationClasses() != null) {
			for (Class clz : registerLastConfigurationClasses()) {
				appContext.register(clz);
			}
		}
		appContext.setServletContext(servletContext);
		servletContext.addListener(new ContextLoaderListener(appContext));
		
		addListener(servletContext);
		addServlet(servletContext, appContext);

		Dynamic servlet = servletContext.addServlet(DISPATCHER, new DispatcherServlet(appContext));
		servlet.addMapping("/");
		servlet.setLoadOnStartup(1);
		
		FilterRegistration.Dynamic openSQLSessionInViewFilterChain = servletContext.addFilter(OPEN_SQL_SESSION_IN_VIEW_FILTER,
				OpenSQLSessionInViewFilter.class);
		openSQLSessionInViewFilterChain.addMappingForUrlPatterns(null, false, "/*");
	}

	public abstract Class[] registerFirstConfigurationClasses();

	public abstract Class[] registerLastConfigurationClasses();

	public abstract Class persistenceConfigurationClass();

	public abstract Class mvcConfigurationClass();

	public abstract Class swaggerConfigurationClass();

	public abstract Class jsonDocConfigurationClass();

	public abstract void addListener(ServletContext servletContext);
	
	public abstract void addServlet(ServletContext servletContext, AnnotationConfigWebApplicationContext appContext);

	public abstract String getDisplayName();

	@Autowired
	@Bean(name = "transactionManager")
	public PlatformTransactionManager txManager(DataSource dataSource, SQLSessionFactory sessionFactory) {
		if (dataSource != null && sessionFactory != null) {
			AnterosTransactionManager txManager = new AnterosTransactionManager();
			txManager.setDataSource(dataSource);
			txManager.setSessionFactory(sessionFactory);
			return txManager;
		}
		return null;
	}

	@Bean
	public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {
		return new PropertySourcesPlaceholderConfigurer();
	}

	@Override
	public void configureMessageConverters(List> converters) {
		super.configureMessageConverters(converters);
		converters.add(new AnterosHttpMessageConverter());
	}

	@Override
	public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
		configurer.enable();
	}

	@Override
	public void addResourceHandlers(ResourceHandlerRegistry registry) {
		registry.addResourceHandler("swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/");
		registry.addResourceHandler("jsondoc-ui.html").addResourceLocations("classpath:/META-INF/resources/");
		registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
	}

}