JavaMail接收邮件

package com.lvtu.error.process;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

import javax.mail.BodyPart;
import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;

public class ReciveMail {
	private MimeMessage mimeMessage = null;
	private String saveAttachPath = \"\"; // 附件下载后的存放目录
	private StringBuffer bodytext = new StringBuffer();// 存放邮件内容
	private String dateformat = \"yy-MM-dd HH:mm\"; // 默认的日前显示格式

	public ReciveMail(MimeMessage mimeMessage) {
		this.mimeMessage = mimeMessage;
	}

	public void setMimeMessage(MimeMessage mimeMessage) {
		this.mimeMessage = mimeMessage;
	}

	/**
	 * 获得发件人的地址和姓名
	 */
	public String getFrom() throws Exception {
		InternetAddress address[] = (InternetAddress[]) mimeMessage.getFrom();
		String from = address[0].getAddress();
		if (from == null)
			from = \"\";
		String personal = address[0].getPersonal();
		if (personal == null)
			personal = \"\";
		String fromaddr = personal + \"<\" + from + \">\";
		return fromaddr;
	}

	/**
	 * 获得邮件的收件人，抄送，和密送的地址和姓名，根据所传递的参数的不同 \"to\"----收件人 \"cc\"---抄送人地址 \"bcc\"---密送人地址
	 */
	public String getMailAddress(String type) throws Exception {
		String mailaddr = \"\";
		String addtype = type.toUpperCase();
		InternetAddress[] address = null;
		if (addtype.equals(\"TO\") || addtype.equals(\"CC\") || addtype.equals(\"BCC\")) {
			if (addtype.equals(\"TO\")) {
				address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.TO);
			} else if (addtype.equals(\"CC\")) {
				address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.CC);
			} else {
				address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.BCC);
			}
			if (address != null) {
				for (int i = 0; i < address.length; i++) {
					String email = address[i].getAddress();
					if (email == null)
						email = \"\";
					else {
						email = MimeUtility.decodeText(email);
					}
					String personal = address[i].getPersonal();
					if (personal == null)
						personal = \"\";
					else {
						personal = MimeUtility.decodeText(personal);
					}
					String compositeto = personal + \"<\" + email + \">\";
					mailaddr += \",\" + compositeto;
				}
				mailaddr = mailaddr.substring(1);
			}
		} else {
			throw new Exception(\"Error emailaddr type!\");
		}
		return mailaddr;
	}

	/**
	 * 获得邮件主题
	 */
	public String getSubject() throws MessagingException {
		String subject = \"\";
		try {
			subject = MimeUtility.decodeText(mimeMessage.getSubject());
			if (subject == null)
				subject = \"\";
		} catch (Exception exce) {
		}
		return subject;
	}

	/**
	 * 获得邮件发送日期
	 */
	public String getSentDate() throws Exception {
		Date sentdate = mimeMessage.getSentDate();
		SimpleDateFormat format = new SimpleDateFormat(dateformat);
		return format.format(sentdate);
	}

	/**
	 * 获得邮件正文内容
	 */
	public String getBodyText() {
		return bodytext.toString();
	}

	/**
	 * 解析邮件，把得到的邮件内容保存到一个StringBuffer对象中，解析邮件 主要是根据MimeType类型的不同执行不同的操作，一步一步的解析
	 */
	public void getMailContent(Part part) throws Exception {
		String contenttype = part.getContentType();
		int nameindex = contenttype.indexOf(\"name\");
		boolean conname = false;
		if (nameindex != -1)
			conname = true;
		System.out.println(\"CONTENTTYPE: \" + contenttype);
		if (part.isMimeType(\"text/plain\") && !conname) {
			bodytext.append((String) part.getContent());
		} else if (part.isMimeType(\"text/html\") && !conname) {
			bodytext.append((String) part.getContent());
		} else if (part.isMimeType(\"multipart/*\")) {
			Multipart multipart = (Multipart) part.getContent();
			int counts = multipart.getCount();
			for (int i = 0; i < counts; i++) {
				getMailContent(multipart.getBodyPart(i));
			}
		} else if (part.isMimeType(\"message/rfc822\")) {
			getMailContent((Part) part.getContent());
		} else {
		}
	}

	/**
	 * 判断此邮件是否需要回执，如果需要回执返回\"true\",否则返回\"false\"
	 */
	public boolean getReplySign() throws MessagingException {
		boolean replysign = false;
		String needreply[] = mimeMessage.getHeader(\"Disposition-Notification-To\");
		if (needreply != null) {
			replysign = true;
		}
		return replysign;
	}

	/**
	 * 获得此邮件的Message-ID
	 */
	public String getMessageId() throws MessagingException {
		return mimeMessage.getMessageID();
	}

	/**
	 * 【判断此邮件是否已读，如果未读返回返回false,反之返回true】
	 */
	public boolean isNew() throws MessagingException {
		boolean isnew = false;
		Flags flags = ((Message) mimeMessage).getFlags();
		Flags.Flag[] flag = flags.getSystemFlags();
		System.out.println(\"flags\'s length: \" + flag.length);
		for (int i = 0; i < flag.length; i++) {
			if (flag[i] == Flags.Flag.SEEN) {
				isnew = true;
				System.out.println(\"seen Message  .\");
				break;
			}
		}
		return isnew;
	}

	/**
	 * 判断此邮件是否包含附件
	 */
	public boolean isContainAttach(Part part) throws Exception {
		boolean attachflag = false;
		if (part.isMimeType(\"multipart/*\")) {
			Multipart mp = (Multipart) part.getContent();
			for (int i = 0; i < mp.getCount(); i++) {
				BodyPart mpart = mp.getBodyPart(i);
				String disposition = mpart.getDisposition();
				if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE))))
					attachflag = true;
				else if (mpart.isMimeType(\"multipart/*\")) {
					attachflag = isContainAttach((Part) mpart);
				} else {
					String contype = mpart.getContentType();
					if (contype.toLowerCase().indexOf(\"application\") != -1)
						attachflag = true;
					if (contype.toLowerCase().indexOf(\"name\") != -1)
						attachflag = true;
				}
			}
		} else if (part.isMimeType(\"message/rfc822\")) {
			attachflag = isContainAttach((Part) part.getContent());
		}
		return attachflag;
	}

	/**
	 * 【保存附件】
	 */
	public void saveAttachMent(Part part) throws Exception {
		String fileName = \"\";
		if (part.isMimeType(\"multipart/*\")) {
			Multipart mp = (Multipart) part.getContent();
			for (int i = 0; i < mp.getCount(); i++) {
				BodyPart mpart = mp.getBodyPart(i);
				String disposition = mpart.getDisposition();
				if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE)))) {
					fileName = mpart.getFileName();
					if (fileName.toLowerCase().indexOf(\"gb2312\") != -1) {
						fileName = MimeUtility.decodeText(fileName);
					}
					saveFile(fileName, mpart.getInputStream());
				} else if (mpart.isMimeType(\"multipart/*\")) {
					saveAttachMent(mpart);
				} else {
					fileName = mpart.getFileName();
					if ((fileName != null) && (fileName.toLowerCase().indexOf(\"GB2312\") != -1)) {
						fileName = MimeUtility.decodeText(fileName);
						saveFile(fileName, mpart.getInputStream());
					}
				}
			}
		} else if (part.isMimeType(\"message/rfc822\")) {
			saveAttachMent((Part) part.getContent());
		}
	}

	/**
	 * 【设置附件存放路径】
	 */
	public void setAttachPath(String attachpath) {
		this.saveAttachPath = attachpath;
	}

	/**
	 * 【设置日期显示格式】
	 */
	public void setDateFormat(String format) throws Exception {
		this.dateformat = format;
	}

	/**
	 * 【获得附件存放路径】
	 */
	public String getAttachPath() {
		return saveAttachPath;
	}

	/**
	 * 【真正的保存附件到指定目录里】
	 */
	private void saveFile(String fileName, InputStream in) throws Exception {
		String osName = System.getProperty(\"os.name\");
		String storedir = getAttachPath();
		String separator = \"\";
		if (osName == null)
			osName = \"\";
		if (osName.toLowerCase().indexOf(\"win\") != -1) {
			separator = \"\\\\\";
			if (storedir == null || storedir.equals(\"\"))
				storedir = \"c:\\\\tmp\";
		} else {
			separator = \"/\";
			storedir = \"/tmp\";
		}
		File storefile = new File(storedir + separator + fileName);
		System.out.println(\"storefile\'s path: \" + storefile.toString());

		BufferedOutputStream bos = null;
		BufferedInputStream bis = null;
		try {
			bos = new BufferedOutputStream(new FileOutputStream(storefile));
			bis = new BufferedInputStream(in);
			int c;
			while ((c = bis.read()) != -1) {
				bos.write(c);
				bos.flush();
			}
		} catch (Exception exception) {
			exception.printStackTrace();
			throw new Exception(\"文件保存失败!\");
		} finally {
			bos.close();
			bis.close();
		}
	}
	
	private static void excuteErrorRequest(String msgContent) {
		String msgBodyText = msgContent.trim();
		String paramter = msgBodyText.substring(msgBodyText.indexOf(\"<h4>参数:</h4>\")+12, msgBodyText.indexOf(\"<br/>\"));
		System.out.println(\"--->> 请求发起....\");
		String result = sendHttpRequest(paramter);
		System.out.println(\"--->> 返回结果：\" + result);
	}
	
	private static String sendHttpRequest(String paramter) {
		String url = \"http://api3g2.lvmama.com/api/router/rest.do?\" + paramter;
		System.out.println(\"--->> \" + url);
		return HttpsUtil.requestGet(url);
	}
	
	/**
	 * PraseMimeMessage类测试
	 */
	public static void main(String args[]) throws Exception {

		Properties props = System.getProperties();
		props.put(\"mail.smtp.host\", \"mail.lvmama.com\");
		props.put(\"mail.smtp.auth\", \"false\");
		Session session = Session.getDefaultInstance(props, null);
		URLName urln = new URLName(\"pop3\", \"mail.lvmama.com\", 110, null, \"wxliyong@lvmama.com\", \"Ly1026321\");
		Store store = session.getStore(urln);
		store.connect();
		Folder folder = store.getFolder(\"INBOX\");
		folder.open(Folder.READ_ONLY);
		Message message[] = folder.getMessages();
		System.out.println(\"您有邮件: \" + message.length + \"封\");
		System.out.println(\"Ary you ready?\");
		Thread.sleep(1000);
		System.out.println(\"3\");
		Thread.sleep(1000);
		System.out.println(\"2\");
		Thread.sleep(1000);
		System.out.println(\"1\");
		Thread.sleep(1000);
		System.out.println(\"GO>>>>>\");
		ReciveMail pmm = null;
		for (int i = 0; i < message.length; i++) {
			System.out.println(\"==============================第\" + (i + 1) + \"封===========================\");
			pmm = new ReciveMail((MimeMessage) message[i]);
			System.out.println(\"subject: \" + pmm.getSubject());
			System.out.println(\"sentdate: \" + pmm.getSentDate());
			System.out.println(\"replysign: \" + pmm.getReplySign());
			System.out.println(\"hasRead: \" + pmm.isNew());
			System.out.println(\"containAttachment: \" + pmm.isContainAttach((Part) message[i]));
			System.out.println(\"form: \" + pmm.getFrom());
			System.out.println(\"to: \" + pmm.getMailAddress(\"to\"));
			System.out.println(\"cc: \" + pmm.getMailAddress(\"cc\"));
			System.out.println(\"bcc: \" + pmm.getMailAddress(\"bcc\"));
			pmm.setDateFormat(\"yy年MM月dd日 HH:mm\");
			System.out.println(\"send date: \" + pmm.getSentDate());
			System.out.println(\"Message \" + i + \" Message-ID: \" + pmm.getMessageId());
			// 获得邮件内容===============
			pmm.getMailContent((Part) message[i]);
			System.out.println(\"Message \" + i + \" bodycontent: \\r\\n\" + pmm.getBodyText());
			if(\"<cmswarn@lvmama.com>\".equals(pmm.getFrom().trim())) {
				String msgBodyText = pmm.getBodyText();
				excuteErrorRequest(msgBodyText);
			}
			pmm.setAttachPath(\"c:\\\\ddd\");
			pmm.saveAttachMent((Part) message[i]);
		}
	}
}