Maven实战 实例学习 account-email

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项目结构

该部分为email模块，负责发送账号激活的电子邮件

account-email的POM文件

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.juven.mvnbook.account</groupId>
    <artifactId>account-email</artifactId>
    <name>Account Email</name>
    <version>1.0.0-SNAPSHOT</version>
    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>2.5.6</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>2.5.6</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>2.5.6</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>2.5.6</version>
        </dependency>
        <!--实现邮件发送的依赖-->
        <dependency>
            <groupId>javax.mail</groupId>
            <artifactId>mail</artifactId>
            <version>1.4.1</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.7</version>
            <scope>test</scope>
        </dependency>
        <!--GreenMail是开源的邮件服务测试套件，account-email模块使用该套件来测试邮件的发送。-->
        <dependency>
            <groupId>com.icegreen</groupId>
            <artifactId>greenmail</artifactId>
            <version>1.3.1b</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <!--开启Java 5的支持-->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.5</source>
                    <target>1.5</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <configuration>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

AccountEmailService.java

package com.juvenxu.mvnbook.account.email;
public interface AccountEmailService
{
    //发送html格式的邮件，to为接收地址，subject为邮件主题，htmlText为邮件内容，如果发送邮件出错,
    //则抛出AccountEmailException异常
    void sendMail( String to, String subject, String htmlText )
        throws AccountEmailException;
}

AccountEmailServiceImpl.java

package com.juvenxu.mvnbook.account.email;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
public class AccountEmailServiceImpl
    implements AccountEmailService
{
    //来自于Spring Framework的帮助简化邮件发送的工具类型，对应该字段有一组getter()和setter()
    //方法，用来帮助实现依赖注入
    private JavaMailSender javaMailSender;
    private String systemEmail;
    public void sendMail( String to, String subject, String htmlText )
        throws AccountEmailException
    {
        try
        {
            //邮件服务器配置信息通过外部的配置注入到javaMailSender中
            //创建一个MimeMessage，对应了将要发送的邮件
            MimeMessage msg = javaMailSender.createMimeMessage();
            //用于设置该邮件的发送地址、收件地址、主题以及内容
            MimeMessageHelper msgHelper = new MimeMessageHelper( msg );
            msgHelper.setFrom( systemEmail );
            msgHelper.setTo( to );
            msgHelper.setSubject( subject );
            //true表示邮件的内容为html格式
            msgHelper.setText( htmlText, true );
            //发送邮件
            javaMailSender.send( msg );
        }
        catch ( MessagingException e )
        {
            throw new AccountEmailException( "Faild to send mail.", e );
        }
    }
    public JavaMailSender getJavaMailSender()
    {
        return javaMailSender;
    }
    public void setJavaMailSender( JavaMailSender javaMailSender )
    {
        this.javaMailSender = javaMailSender;
    }
    public String getSystemEmail()
    {
        return systemEmail;
    }
    public void setSystemEmail( String systemEmail )
    {
        this.systemEmail = systemEmail;
    }
}

account-email.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
    <!--帮助载入properties文件的组件-->
    <bean id="propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="location" value="classpath:service.properties" />
    </bean>
    <!--定义邮件服务器的一些配置、包括协议、端口、主机、用户名、密码，是否需要认证等属性-->
    <bean id="javaMailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
        <property name="protocol" value="${email.protocol}" />
        <property name="host" value="${email.host}" />
        <property name="port" value="${email.port}" />
        <property name="username" value="${email.username}" />
        <property name="password" value="${email.password}" />
        <property name="javaMailProperties">
            <props>
                <prop key="mail.${email.protocol}.auth">${email.auth}</prop>
            </props>
        </property>
    </bean>
    <!--注入javaMaiilSender-->
    <bean id="accountEmailService"
        class="com.juvenxu.mvnbook.account.email.AccountEmailServiceImpl">
        <property name="javaMailSender" ref="javaMailSender" />
        <property name="systemEmail" value="${email.systemEmail}" />
    </bean>
</beans>

account-email的测试代码

AccountEmailServiceTest.java
package com.juvenxu.mvnbook.account.email;
import static junit.framework.Assert.assertEquals;
import javax.mail.Message;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.icegreen.greenmail.util.GreenMail;
import com.icegreen.greenmail.util.GreenMailUtil;
import com.icegreen.greenmail.util.ServerSetup;
public class AccountEmailServiceTest{
    private GreenMail greenMail;
    //在测试方法之前执行，启动邮件服务器
    @Before
    public void startMailServer()
        throws Exception    {
        greenMail = new GreenMail( ServerSetup.SMTP );
        greenMail.setUser( "test@juvenxu.com", "123456" );
        greenMail.start();
    }
    @Test
    public void testSendMail()
        throws Exception    {
        //根据classpath路径中account-email.xml配置创建ApplicationContext
        ApplicationContext ctx = new ClassPathXmlApplicationContext( "account-email.xml" );
        AccountEmailService accountEmailService = 
            (AccountEmailService) ctx.getBean( "accountEmailService" );
        String subject = "Test Subject";
        String htmlText = "<h3>Test</h3>";
        accountEmailService.sendMail( "test2@juvenxu.com", subject, htmlText );
        greenMail.waitForIncomingEmail( 2000, 1 );
        Message[] msgs = greenMail.getReceivedMessages();
        assertEquals( 1, msgs.length );
        assertEquals( subject, msgs[0].getSubject() );
        assertEquals( htmlText, GreenMailUtil.getBody( msgs[0] ).trim() );
    }
    //在测试方法时候执行，关闭邮件服务器
    @After
    public void stopMailServer()
        throws Exception    {
        greenMail.stop();
    }}

转载于:https://my.oschina.net/yaoliyc/blog/277346