com.logsniffer.app.MailAppConfig.java Source code

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Here is the source code for com.logsniffer.app.MailAppConfig.java

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/*******************************************************************************
 * logsniffer, open source tool for viewing, monitoring and analysing log data.
 * Copyright (c) 2015 Scaleborn UG, www.scaleborn.com
 *
 * logsniffer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * logsniffer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package com.logsniffer.app;

import java.io.IOException;
import java.util.Properties;

import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.exception.VelocityException;
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.Configuration;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.ui.velocity.VelocityEngineFactory;

import com.logsniffer.util.value.ConfigValue;
import com.logsniffer.util.value.Configured;

/**
 * Defines a {@link VelocityEngine} bean and a {@link JavaMailSenderImpl} bean
 * for mail support.
 * 
 * @author mbok
 * 
 */
@Configuration
public class MailAppConfig {
    /**
     * Warpper for mail settings.
     * 
     * @author mbok
     * 
     */
    public static class MailSettings {
        public static final String PROP_LOGSNIFFER_MAIL_PORT = "logsniffer.mail.port";

        public static final String PROP_LOGSNIFFER_MAIL_PASSWORD = "logsniffer.mail.password";

        public static final String PROP_LOGSNIFFER_MAIL_USER = "logsniffer.mail.user";

        public static final String PROP_LOGSNIFFER_MAIL_HOST = "logsniffer.mail.host";

        @Configured(PROP_LOGSNIFFER_MAIL_HOST)
        private ConfigValue<String> mailHost;

        @Configured(PROP_LOGSNIFFER_MAIL_USER)
        private ConfigValue<String> mailUser;

        @Configured(PROP_LOGSNIFFER_MAIL_PASSWORD)
        private ConfigValue<String> mailPassword;

        @Configured(PROP_LOGSNIFFER_MAIL_PORT)
        private ConfigValue<Integer> mailPort;

        /**
         * @return the mailHost
         */
        public ConfigValue<String> getMailHost() {
            return mailHost;
        }

        /**
         * @return the mailUser
         */
        public ConfigValue<String> getMailUser() {
            return mailUser;
        }

        /**
         * @return the mailPassword
         */
        public ConfigValue<String> getMailPassword() {
            return mailPassword;
        }

        /**
         * @return the mailPort
         */
        public ConfigValue<Integer> getMailPort() {
            return mailPort;
        }
    }

    @Autowired
    @Qualifier(CoreAppConfig.BEAN_LOGSNIFFER_PROPS)
    private Properties props;

    private MailSettings mailSettings;

    private JavaMailSenderImpl mailSender;

    @Bean
    public VelocityEngine velocityEngine() throws VelocityException, IOException {
        VelocityEngineFactory factory = new VelocityEngineFactory();
        Properties props = new Properties();
        props.put("resource.loader", "class");
        props.put("class.resource.loader.class",
                "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
        factory.setVelocityProperties(props);
        return factory.createVelocityEngine();
    }

    @Bean
    public JavaMailSenderImpl mailSender() {
        mailSettings();
        mailSender = new JavaMailSenderImpl();
        mailSender.setDefaultEncoding("UTF-8");
        refreshMailSenderConfiguration();
        return mailSender;
    }

    @Bean
    MailSettings mailSettings() {
        mailSettings = new MailSettings();
        return mailSettings;
    }

    /**
     * Refresh settings for mail sender.
     */
    public void refreshMailSenderConfiguration() {
        mailSender.setJavaMailProperties(props);
        mailSender.setHost(mailSettings.getMailHost().get());
        mailSender.setUsername(mailSettings.getMailUser().get());
        mailSender.setPassword(mailSettings.getMailPassword().get());
        mailSender.setPort(mailSettings.getMailPort().get());
    }
}