Java tutorial
package com.huffingtonpost.chronos.servlet; import com.fasterxml.jackson.databind.ObjectMapper; import com.huffingtonpost.chronos.agent.AgentConsumer; import com.huffingtonpost.chronos.agent.AgentDriver; import com.huffingtonpost.chronos.agent.NoReporting; import com.huffingtonpost.chronos.agent.Reporting; import com.huffingtonpost.chronos.model.JobDao; import com.huffingtonpost.chronos.model.JobDaoImpl; import com.huffingtonpost.chronos.model.MailInfo; import com.huffingtonpost.chronos.model.SupportedDriver; import com.huffingtonpost.chronos.spring.ChronosMapper; import com.huffingtonpost.chronos.spring.Utils; import com.huffingtonpost.chronos.util.H2TestUtil; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.DependsOn; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; import org.springframework.web.servlet.config.annotation.*; import org.springframework.web.servlet.resource.GzipResourceResolver; import org.springframework.web.servlet.resource.PathResourceResolver; import springfox.documentation.builders.PathSelectors; import springfox.documentation.builders.RequestHandlerSelectors; import springfox.documentation.service.ApiInfo; import springfox.documentation.spi.DocumentationType; import springfox.documentation.spring.web.plugins.Docket; import springfox.documentation.swagger2.annotations.EnableSwagger2; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.sql.DataSource; import java.net.InetAddress; import java.util.ArrayList; import java.util.List; import java.util.Properties; /** * Docs here: http://docs.spring.io/spring/docs/current/spring-framework-reference/html/mvc.html#mvc-config-customize * And here: http://www.robinhowlett.com/blog/2013/02/13/spring-app-migration-from-xml-to-java-based-config/ */ @ComponentScan(basePackageClasses = { ChronosController.class, OtherController.class }) @EnableSwagger2 @Configuration @EnableWebMvc public class TestConfig extends WebMvcConfigurerAdapter { private static String LOCALHOST = "localhost"; @Bean(name = "reportRootPath") public String reportRootPath() { return System.getProperty("user.dir") + "/tmp/reports/"; } @Bean(name = "drivers") public ArrayList<SupportedDriver> drivers() { SupportedDriver h2 = new SupportedDriver(H2TestUtil.H2_NAME, H2TestUtil.H2_DRIVER, H2TestUtil.H2_QUERY, H2TestUtil.H2_URL); ArrayList<SupportedDriver> list = new ArrayList<>(); list.add(h2); return list; } @Override public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) { configurer.enable(); } @Override public void configurePathMatch(PathMatchConfigurer configurer) { super.configurePathMatch(configurer); configurer.setUseSuffixPatternMatch(false); } @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { registry.addResourceHandler("/*.*", "/ico/**", "/reports/**", "swagger-ui.html", "/webjars/**") .addResourceLocations("/site/", "/site/ico/", "file:" + reportRootPath(), "classpath:/META-INF/resources/", "classpath:/META-INF/resources/webjars/") .resourceChain(true).addResolver(new GzipResourceResolver()) .addResolver(new PathResourceResolver()); } @Override public void addViewControllers(ViewControllerRegistry registry) { registry.addViewController("/").setViewName("/WEB-INF/site/index.html"); registry.addViewController("/jobs/**").setViewName("/WEB-INF/site/index.html"); registry.addViewController("/job/**").setViewName("/WEB-INF/site/index.html"); } @Override public void configureMessageConverters(List<HttpMessageConverter<?>> converters) { converters.add(converter()); } @Bean public ObjectMapper jacksonObjectMapper() { return new ChronosMapper(); } @Bean public Properties authMailProperties() { Properties props = new Properties(); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.starttls.enable", "true"); props.put("mail.smtp.host", "smtp.example.com"); props.put("mail.smtp.localhost", "smtp.example.com"); props.put("mail.smtp.port", "25"); return props; } @Bean public Properties relayMailProperties() { Properties props = new Properties(); props.put("mail.smtp.auth", "false"); props.put("mail.smtp.host", "localhost"); props.put("mail.smtp.localhost", "localhost"); props.put("mail.smtp.port", "25"); return props; } @Bean public Session relaySession() { return Session.getDefaultInstance(relayMailProperties()); } @Bean public MailInfo mailInfo() { return new MailInfo("noreply@example.com", "Example From", "help@example.com", "Example To"); } @Bean public Session authSession() { final String username = "spluh"; final String password = "abracaduh"; Session session = Session.getInstance(authMailProperties(), new javax.mail.Authenticator() { protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password); } }); return session; } @Bean public MappingJackson2HttpMessageConverter converter() { MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter(); converter.setObjectMapper(jacksonObjectMapper()); return converter; } @Bean(name = "dataSource") public DataSource ds() { DataSource ds = Utils.getPooledDataSource(H2TestUtil.H2_URL, 10, 30 * 1000); return ds; } @DependsOn(value = "dataSource") @Bean(initMethod = "init", destroyMethod = "close", name = "jobDao") public JobDao jobDao() { JobDao dao = new JobDaoImpl(); dao.setDrivers(drivers()); dao.setDataSource(ds()); return dao; } @Bean(name = "reporting") public Reporting reporting() { Reporting reporting = new NoReporting(); return reporting; } @Bean public String hostname() { String hostname = LOCALHOST; try { hostname = InetAddress.getLocalHost().getHostName(); } catch (Exception ignore) { } return hostname; } @Bean public Docket api() { return new Docket(DocumentationType.SWAGGER_2).select().apis(RequestHandlerSelectors.any()) .paths(PathSelectors.any()).build().apiInfo(apiInfo()); } private ApiInfo apiInfo() { ApiInfo apiInfo = new ApiInfo("Chronos API", "Chronos API endpoints", "", // API TOS "", // Terms of service "eng@example.com", "", ""); // API license URL return apiInfo; } @DependsOn(value = { "jobDao", "reportRootPath" }) @Bean(initMethod = "init", destroyMethod = "close", name = "agentConsumer") public AgentConsumer consumer() { int numOfConcurrentJobs = 4; int numOfConcurrentReruns = 10; int maxReruns = 5; int waitBeforeRetrySeconds = 1200; int minAttemptsForNotification = 1; AgentConsumer agentConsumer = new AgentConsumer(jobDao(), reporting(), hostname(), mailInfo(), relaySession(), drivers(), numOfConcurrentJobs, numOfConcurrentReruns, maxReruns, waitBeforeRetrySeconds, minAttemptsForNotification); //agentConsumer.writeReportToLocal(reportRootPath()); //uncomment this line to write report to localhost return agentConsumer; } @DependsOn(value = "jobDao") @Bean(initMethod = "init", destroyMethod = "close", name = "agentDriver") public AgentDriver agent() { return new AgentDriver(jobDao(), reporting()); } }