我正在处理这些文件:
http://code.google.com/appengine/docs/java/mail/overview.html#Receiving_Mail_in_Java
接收电子邮件。下面是我的Servlet:
package mailserver;
import java.io.IOException;
import java.util.Properties;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.internet.MimeMessage;
import javax.servlet.http.*;
public class MailHandlerServlet extends HttpServlet {
public void doPost(HttpServletRequest req,
HttpServletResponse resp)
throws IOException {
Properties props = new Properties();
Session session = Session.getDefaultInstance(props, null);
MimeMessage message = null;
try {
message = new MimeMessage(session, req.getInputStream());
} catch (MessagingException e) {
e.printStackTrace();
}
resp.setContentType("text/plain");
resp.getWriter().println(message);
}
}
我的appengine-xml:
<?xml version="1.0" encoding="utf-8"?>
<appengine-web-app xmlns="http://appengine.google.com/ns/1.0">
<application>myapp</application>
<version>4</version>
<inbound-services>
<service>mail</service>
</inbound-services>
<!--
By default, App Engine sends requests serially to a given web server.
To allow App Engine to send multiple requests in parallel specify:
<threadsafe>true</threadsafe>
-->
<!-- Configure java.util.logging -->
<system-properties>
<property name="java.util.logging.config.file" value="WEB-INF/logging.properties"/>
</system-properties>
</appengine-web-app>
和web.xml
<?xml version="1.0" encoding="utf-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
<servlet>
<servlet-name>MailHandlerServlet</servlet-name>
<servlet-class>mailserver.MailHandlerServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>MailHandlerServlet</servlet-name>
<url-pattern>/_ah/mail/notification@myemail.appspotmail.com</url-pattern>
</servlet-mapping>
<security-constraint>
<web-resource-collection>
<url-pattern>/_ah/mail/notification@myemail.appspotmail.com</url-pattern>
</web-resource-collection>
<auth-constraint>
<role-name>admin</role-name>
</auth-constraint>
</security-constraint>
</web-app>
我的第一个问题是,我没有设置任何类型的额外电子邮件地址:
通过string@appid.appspotmail.com地址
接收收到的电子邮件我认为这就像一个笼子,字符串可以是我喜欢的任何东西?
我的下一个问题是servlet是否会显示任何内容?目前我刚刚获得The requested URL /mailserver was not found on this server.
任何帮助入门都会很棒。
TIA
答案 0 :(得分:4)
电子邮件将作为App Engine生成的HTTP请求(POST)发送到您的应用。 string@appid.appspotmail.com
是一般语法。您可以选择string
,例如对于servlet映射的特定url模式(路由到特定的servlet) - 在你的情况下,MailHandlerServlet只处理notification@myemail.appspotmail.com
。
在此服务器上找不到请求的URL /邮件服务器。
我无法在您的代码中看到该网址的映射。网址路径为/_ah/mail/
(url-pattern
)。
如果HTTP调用/ servlet操作成功,您将获得HTTP状态代码20X。