org.homiefund.config.ApplicationConfiguration.java Source code

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Here is the source code for org.homiefund.config.ApplicationConfiguration.java

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/**
 * Copyright  2016 REPLACE ME OWNER (REPLACE ME YEAR)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.homiefund.config;

import org.dozer.DozerBeanMapper;
import org.dozer.Mapper;
import org.homiefund.api.support.HomeAccessVoter;
import org.homiefund.api.support.HomeAccessVoterImpl;
import org.homiefund.api.support.MailService;
import org.homiefund.api.support.MailServiceImpl;
import org.homiefund.api.support.UserPreferencesBean;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.aop.interceptor.SimpleAsyncUncaughtExceptionHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Description;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.annotation.PropertySources;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.mail.MailSender;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import java.util.Arrays;
import java.util.concurrent.Executor;

/**
 * Created by Dominik Szalai - emptulik at gmail.com on 20.9.2016.
 */
@Configuration
@EnableAsync
@EnableTransactionManagement
@EnableAspectJAutoProxy(proxyTargetClass = true)
@ComponentScan({ "org.homiefund.api" })
@PropertySources({ @PropertySource("classpath:config/datasource.properties"),
        @PropertySource("classpath:config/hibernate.properties") })
@Import({ DatasourceConfiguration.class, HibernateConfiguration.class })
public class ApplicationConfiguration implements AsyncConfigurer {
    private LocalContainerEntityManagerFactoryBean emf;

    @Autowired
    @Qualifier("localContainerEntityManagerFactoryBean")
    public void setEmf(LocalContainerEntityManagerFactoryBean localContainerEntityManagerFactoryBean) {
        this.emf = localContainerEntityManagerFactoryBean;
    }

    @Bean
    @Description("JPA Transaction Manager used for controlling transaction using @Transactional annotation.")
    public JpaTransactionManager jpaTransactionManager() {
        return new JpaTransactionManager(emf.getObject());
    }

    @Bean
    @Description("Service used for converting object of type A into object of type B.")
    public Mapper mapper() {
        //todo rework into factory bean and move values to application config
        DozerBeanMapper mapper = new DozerBeanMapper();
        mapper.setMappingFiles(Arrays.asList("classpath:config/dozer.xml"));
        return mapper;
    }

    @Bean
    @Scope(value = "session", proxyMode = ScopedProxyMode.TARGET_CLASS)
    @Description("Holder bean containing \"Cached\" values for various parts of application.")
    public UserPreferencesBean pageModel() {
        return new UserPreferencesBean();
    }

    @Bean
    @Description("Wrapper service responsible for sending emails.")
    public MailService mailService() {
        return new MailServiceImpl(mailSender(), simpleMailMessage());
    }

    @Bean(name = "homeVoter")
    public HomeAccessVoter homeAccessVoter() {
        return new HomeAccessVoterImpl();
    }

    @Bean
    @Description("Service responsible for sending emails.")
    public MailSender mailSender() {
        // todo move to application config
        JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
        mailSender.setHost("localhost");
        mailSender.setPort(20025);

        return mailSender;
    }

    @Bean(name = "templateMessage")
    @Description("Email template for invitation email.")
    public SimpleMailMessage simpleMailMessage() {
        //todo create custom config for email templates
        SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
        simpleMailMessage.setFrom("demo@localhost");
        simpleMailMessage.setSubject("Invitiation to homiefund");

        return simpleMailMessage;
    }

    @Override
    public Executor getAsyncExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(4);
        executor.setMaxPoolSize(42);
        executor.setQueueCapacity(12);
        executor.setThreadNamePrefix("HomieExecutor-");

        executor.initialize();

        return executor;
    }

    @Override
    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
        return new SimpleAsyncUncaughtExceptionHandler();
    }
}