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Android 使用 SMTP 发送邮件 (Gmail)

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具体使用方法请看:http://www.oschina.net/code/snippet_12_983

GMailSender.java

package org.apache.android.mail;  

import javax.activation.DataHandler;  
import javax.activation.DataSource;  
import javax.mail.Message;  
import javax.mail.PasswordAuthentication;  
import javax.mail.Session;  
import javax.mail.Transport;  
import javax.mail.internet.InternetAddress;  
import javax.mail.internet.MimeMessage;  
import java.io.ByteArrayInputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import java.io.OutputStream;  
import java.security.Security;  
import java.util.Properties;  

public class GMailSender extends javax.mail.Authenticator {  
    private String mailhost = "smtp.gmail.com";  
    private String user;  
    private String password;  
    private Session session;  

    static {  
        Security.addProvider(new org.apache.harmony.xnet.provider.jsse.JSSEProvider());  
    }  

    public GMailSender(String user, String password) {  
        this.user = user;  
        this.password = password;  

        Properties props = new Properties();  
        props.setProperty("mail.transport.protocol", "smtp");  
        props.setProperty("mail.host", mailhost);  
        props.put("mail.smtp.auth", "true");  
        props.put("mail.smtp.port", "465");  
        props.put("mail.smtp.socketFactory.port", "465");  
        props.put("mail.smtp.socketFactory.class",  
                "javax.net.ssl.SSLSocketFactory");  
        props.put("mail.smtp.socketFactory.fallback", "false");  
        props.setProperty("mail.smtp.quitwait", "false");  

        session = Session.getDefaultInstance(props, this);  
    }  

    protected PasswordAuthentication getPasswordAuthentication() {  
        return new PasswordAuthentication(user, password);  
    }  

    public synchronized void sendMail(String subject, String body, 
    String sender, String recipients) throws Exception {  
        MimeMessage message = new MimeMessage(session);  
        DataHandler handler = new DataHandler(new ByteArrayDataSource(body.getBytes(), "text/plain"));  
        message.setSender(new InternetAddress(sender));  
        message.setSubject(subject);  
        message.setDataHandler(handler);  
        if (recipients.indexOf(',') > 0)  
            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients));  
        else  
            message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients));  
        Transport.send(message);  
    }  

    public class ByteArrayDataSource implements DataSource {  
        private byte[] data;  
        private String type;  

        public ByteArrayDataSource(byte[] data, String type) {  
            super();  
            this.data = data;  
            this.type = type;  
        }  

        public ByteArrayDataSource(byte[] data) {  
            super();  
            this.data = data;  
        }  

        public void setType(String type) {  
            this.type = type;  
        }  

        public String getContentType() {  
            if (type == null)  
                return "application/octet-stream";  
            else  
                return type;  
        }  

        public InputStream getInputStream() throws IOException {  
            return new ByteArrayInputStream(data);  
        }  

        public String getName() {  
            return "ByteArrayDataSource";  
        }  

        public OutputStream getOutputStream() throws IOException {  
            throw new IOException("Not Supported");  
        }  
    }  
}

标签:SMTP,Gmail,PasswordAuthentication,MimeMessage,Tran

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