package org.vanvinfo.alarmManage.logic.alarmReceiver;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.Socket;
import java.nio.charset.Charset;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import sun.misc.BASE64Encoder;
/**
* 該類使用Socket連接到郵件服務(wù)器，
* 并實現(xiàn)了向指定郵箱發(fā)送郵件及附件的功能。
*
* @author Zhong Lizhi
*/
public class Mail {
/**
* 換行符
*/
private static final String LINE_END = "\r\n";
/**
* 值為“true”輸出高度信息（包括服務(wù)器響應(yīng)信息），值為“
* false”則不輸出調(diào)試信息。
*/
private boolean isDebug = true;
/**
* 值為“true”則在發(fā)送郵件{@link Mail#send()}
* 過程中會讀取服務(wù)器端返回的消息，
* 并在郵件發(fā)送完畢后將這些消息返回給用戶。
*/
private boolean isAllowReadSocketInfo = true;
/**
* 郵件服務(wù)器地址
*/
private String host;
/**
* 發(fā)件人郵箱地址
*/
private String from;
/**
* 收件人郵箱地址
*/
private List<String> to;
/**
* 抄送地址
*/
private List<String> cc;
/**
* 暗送地址
*/
private List<String> bcc;
/**
* 郵件主題
*/
private String subject;
/**
* 用戶名
*/
private String user;
/**
* 密碼
*/
private String password;
/**
* MIME郵件類型
*/
private String contentType;
/**
* 用來綁定多個郵件單元{@link #partSet}
* 的分隔標識，我們可以將郵件的正文及每一個附件都看作是一個郵件單元
* 。
*/
private String boundary;
/**
* 郵件單元分隔標識符，該屬性將用來在郵件中作為分割各個郵件單元的標識
* 。
*/
private String boundaryNextPart;
/**
* 傳輸郵件所采用的編碼
*/
private String contentTransferEncoding;
/**
* 設(shè)置郵件正文所用的字符集
*/
private String charset;
/**
* 內(nèi)容描述
*/
private String contentDisposition;
/**
* 郵件正文
*/
private String content;
/**
* 發(fā)送郵件日期的顯示格式
*/
private String simpleDatePattern;
/**
* 附件的默認MIME類型
*/
private String defaultAttachmentContentType;
/**
* 郵件單元的集合，用來存放正文單元和所有的附件單元。
*/
private List<MailPart> partSet;
/**
* 不同類型文件對應(yīng)的{@link MIME} 類型映射。在添加附件
* {@link #addAttachment(String)}
* 時，程序會在這個映射中查找對應(yīng)文件的 {@link MIME}
* 類型，如果沒有， 則使用
* {@link #defaultAttachmentContentType}
* 所定義的類型。
*/
private static Map<String, String> contentTypeMap;
static {
// MIME Media Types
contentTypeMap = new HashMap<String, String>();
contentTypeMap.put("xls", "application/vnd.ms-excel");
contentTypeMap.put("xlsx", "application/vnd.ms-excel");
contentTypeMap.put("xlsm", "application/vnd.ms-excel");
contentTypeMap.put("xlsb", "application/vnd.ms-excel");
contentTypeMap.put("doc", "application/msword");
contentTypeMap.put("dot", "application/msword");
contentTypeMap.put("docx", "application/msword");
contentTypeMap.put("docm", "application/msword");
contentTypeMap.put("dotm", "application/msword");
}
/**
* 該類用來實例化一個正文單元或附件單元對象，他繼承了
* {@link Mail}
* ，在這里制作這個子類主要是為了區(qū)別郵件單元對象和郵件服務(wù)對象
* ，使程序易讀一些。 這些郵件單元全部會放到partSet
* 中，在發(fā)送郵件 {@link #send()}時, 程序會調(diào)用
* {@link #getAllParts()}
* 方法將所有的單元合并成一個符合MIME格式的字符串。
*
* @author Zhong Lizhi
*/
private class MailPart extends Mail {
public MailPart() {
}
}
/**
* 默認構(gòu)造函數(shù)
*/
public Mail() {
defaultAttachmentContentType = "application/octet-stream";
simpleDatePattern = "yyyy-MM-dd HH:mm:ss";
boundary = "--=_NextPart_zlz_3907_" + System.currentTimeMillis();
boundaryNextPart = "--" + boundary;
contentTransferEncoding = "base64";
contentType = "multipart/alternative";
charset = Charset.defaultCharset().name();
partSet = new ArrayList<MailPart>();
to = new ArrayList<String>();
cc = new ArrayList<String>();
bcc = new ArrayList<String>();
}
/**
* 根據(jù)指定的完整文件名在
* {@link #contentTypeMap}
* 中查找其相應(yīng)的MIME類型， 如果沒找到，則返回
* {@link #defaultAttachmentContentType}
* 所指定的默認類型。
*
* @param fileName
* 文件名
* @return 返回文件對應(yīng)的MIME類型。
*/
private String getPartContentType(String fileName) {
String ret = null;
if (null != fileName) {
int flag = fileName.lastIndexOf(".");
if (0 <= flag && flag < fileName.length() - 1) {
fileName = fileName.substring(flag + 1);
}
ret = contentTypeMap.get(fileName);
}
if (null == ret) {
ret = defaultAttachmentContentType;
}
return ret;
}
/**
* 將給定字符串轉(zhuǎn)換為base64編碼的字符串
*
* @param str
* 需要轉(zhuǎn)碼的字符串
* @param charset
* 原字符串的編碼格式
* @return base64編碼格式的字符
*/
private String toBase64(String str, String charset) {
if (null != str) {
try {
return toBase64(str.getBytes(charset));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
return "";
}
/**
* 將指定的字節(jié)數(shù)組轉(zhuǎn)換為base64格式的字符串
*
* @param bs
* 需要轉(zhuǎn)碼的字節(jié)數(shù)組
* @return base64編碼格式的字符
*/
private String toBase64(byte[] bs) {
return new BASE64Encoder().encode(bs);
}
/**
* 將給定字符串轉(zhuǎn)換為base64編碼的字符串
*
* @param str
* 需要轉(zhuǎn)碼的字符串
* @return base64編碼格式的字符
*/
private String toBase64(String str) {
return toBase64(str, Charset.defaultCharset().name());
}
/**
* 將所有的郵件單元按照標準的MIME格式要求合并。
*
* @return 返回一個所有單元合并后的字符串。
*/
private String getAllParts() {
int partCount = partSet.size();
StringBuilder sbd = new StringBuilder(LINE_END);
for (int i = partCount - 1; i >= 0; i--) {
Mail attachment = partSet.get(i);
String attachmentContent = attachment.getContent();
if (null != attachmentContent && 0 < attachmentContent.length()) {
sbd.append(getBoundaryNextPart()).append(LINE_END);
sbd.append("Content-Type: ");
sbd.append(attachment.getContentType());
sbd.append(LINE_END);
sbd.append("Content-Transfer-Encoding: ");
sbd.append(attachment.getContentTransferEncoding());
sbd.append(LINE_END);
if (i != partCount - 1) {
sbd.append("Content-Disposition: ");
sbd.append(attachment.getContentDisposition());
sbd.append(LINE_END);
}
sbd.append(LINE_END);
sbd.append(attachment.getContent());
sbd.append(LINE_END);
}
}
sbd.append(LINE_END);
sbd.append(LINE_END);
// sbd.append(boundaryNextPart).
// append(LINE_END);
partSet.clear();
return sbd.toString();
}
/**
* 添加郵件正文單元
*/
private void addContent() {
if (null != content) {
MailPart part = new MailPart();
part.setContent(toBase64(content));
part.setContentType("text/plain;charset=\"" + charset + "\"");
partSet.add(part);
}
}
private String listToMailString(List<String> mailAddressList) {
StringBuilder sbd = new StringBuilder();
if (null != mailAddressList) {
int listSize = mailAddressList.size();
for (int i = 0; i < listSize; i++) {
if (0 != i) {
sbd.append(";");
}
sbd.append("<").append(mailAddressList.get(i)).append(">");
}
}
return sbd.toString();
}
private List<String> getrecipient() {
List<String> list = new ArrayList<String>();
list.addAll(to);
list.addAll(cc);
list.addAll(bcc);
return list;
}
/**
* 添加一個附件單元
*
* @param filePath
* 文件路徑
*/
public void addAttachment(String filePath) {
addAttachment(filePath, null);
}
public void addTo(String mailAddress) {
this.to.add(mailAddress);
}
public void addCc(String mailAddress) {
this.cc.add(mailAddress);
}
public void addBcc(String mailAddress) {
this.bcc.add(mailAddress);
}
/**
* 添加一個附件單元
*
* @param filePath
* 文件路徑
* @param charset
* 文件編碼格式
*/
public void addAttachment(String filePath, String charset) {
if (null != filePath && filePath.length() > 0) {
File file = new File(filePath);
try {
addAttachment(file.getName(), new FileInputStream(file),
charset);
} catch (FileNotFoundException e) {
System.out.println("錯誤：" + e.getMessage());
System.exit(1);
}
}
}
/**
* 添加一個附件單元
*
* @param fileName
* 文件名
* @param attachmentStream
* 文件流
* @param charset
* 文件編碼格式
*/
public void addAttachment(String fileName, InputStream attachmentStream,
String charset) {
try {
byte[] bs = null;
if (null != attachmentStream) {
int buffSize = 1024;
byte[] buff = new byte[buffSize];
byte[] temp;
bs = new byte[0];
int readTotal = 0;
while (-1 != (readTotal = attachmentStream.read(buff))) {
temp = new byte[bs.length];
System.arraycopy(bs, 0, temp, 0, bs.length);
bs = new byte[temp.length + readTotal];
System.arraycopy(temp, 0, bs, 0, temp.length);
System.arraycopy(buff, 0, bs, temp.length, readTotal);
}
}
if (null != bs) {
MailPart attachmentPart = new MailPart();
charset = null != charset ? charset : Charset.defaultCharset()
.name();
String contentType = getPartContentType(fileName)
+ ";name=\"=?" + charset + "?B?" + toBase64(fileName)
+ "?=\"";
attachmentPart.setCharset(charset);
attachmentPart.setContentType(contentType);
attachmentPart.setContentDisposition("attachment;filename=\"=?"
+ charset + "?B?" + toBase64(fileName) + "?=\"");
attachmentPart.setContent(toBase64(bs));
partSet.add(attachmentPart);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (null != attachmentStream) {
try {
attachmentStream.close();
attachmentStream = null;
} catch (IOException e) {
e.printStackTrace();
}
}
Runtime.getRuntime().gc();
Runtime.getRuntime().runFinalization();
}
}
/**
* 發(fā)送郵件
*
* @return 郵件服務(wù)器反回的信息
*/
public String send() {
// 對象申明
// 當郵件發(fā)送完畢后，以下三個對象（Socket、
// PrintWriter,
// BufferedReader）需要關(guān)閉。
Socket socket = null;
PrintWriter pw = null;
BufferedReader br = null;
try {
socket = new Socket(host, 25);
pw = new PrintWriter(socket.getOutputStream());
br = new BufferedReader(new InputStreamReader(socket
.getInputStream()));
StringBuilder infoBuilder = new StringBuilder(
"\nServer info: \n------------\n");
// 與服務(wù)器建立連接
pw.write("HELO ".concat(host).concat(LINE_END)); // 連接到郵件服務(wù)
if (!readResponse(pw, br, infoBuilder, "220"))
return infoBuilder.toString();
pw.write("AUTH LOGIN".concat(LINE_END)); // 登錄
if (!readResponse(pw, br, infoBuilder, "250"))
return infoBuilder.toString();
pw.write(toBase64(user).concat(LINE_END)); // 輸入用戶名
if (!readResponse(pw, br, infoBuilder, "334"))
return infoBuilder.toString();
pw.write(toBase64(password).concat(LINE_END)); // 輸入密碼
if (!readResponse(pw, br, infoBuilder, "334"))
return infoBuilder.toString();
pw.write("MAIL FROM:<" + from + ">" + LINE_END); // 發(fā)件人郵箱地址
if (!readResponse(pw, br, infoBuilder, "235"))
return infoBuilder.toString();
List<String> recipientList = getrecipient();
// 收件郵箱地址
for (int i = 0; i < recipientList.size(); i++) {
pw.write("RCPT TO:<" + recipientList.get(i) + ">" + LINE_END);
if (!readResponse(pw, br, infoBuilder, "250"))
return infoBuilder.toString();
}
// System.out.println(
// getAllSendAddress());
pw.write("DATA" + LINE_END); // 開始輸入郵件
if (!readResponse(pw, br, infoBuilder, "250"))
return infoBuilder.toString();
flush(pw);
// 設(shè)置郵件頭信息
StringBuffer sbf = new StringBuffer("From: <" + from + ">"
+ LINE_END); // 發(fā)件人
sbf.append("To: " + listToMailString(to) + LINE_END);// 收件人
sbf.append("Cc: " + listToMailString(cc) + LINE_END);// 收件人
sbf.append("Bcc: " + listToMailString(bcc) + LINE_END);// 收件人
sbf.append("Subject: " + subject + LINE_END);// 郵件主題
SimpleDateFormat sdf = new SimpleDateFormat(simpleDatePattern);
sbf.append("Date: ").append(sdf.format(new Date()));
sbf.append(LINE_END); // 發(fā)送時間
sbf.append("Content-Type: ");
sbf.append(contentType);
sbf.append(";");
sbf.append("boundary=\"");
sbf.append(boundary).append("\""); // 郵件類型設(shè)置
sbf.append(LINE_END);
sbf.append("This is a multi-part message in MIME format.");
sbf.append(LINE_END);
// 添加郵件正文單元
addContent();
// 合并所有單元，正文和附件。
sbf.append(getAllParts());
// 發(fā)送
sbf.append(LINE_END).append(".").append(LINE_END);
pw.write(sbf.toString());
readResponse(pw, br, infoBuilder, "354");
flush(pw);
// QUIT退出
pw.write("QUIT" + LINE_END);
if (!readResponse(pw, br, infoBuilder, "250"))
return infoBuilder.toString();
flush(pw);
return infoBuilder.toString();
} catch (Exception e) {
e.printStackTrace();
return "Exception:>" + e.getMessage();
} finally {
// 釋放資源
try {
if (null != socket)
socket.close();
if (null != pw)
pw.close();
if (null != br)
br.close();
} catch (IOException e) {
e.printStackTrace();
}
// this.to.clear();
// this.cc.clear();
// this.bcc.clear();
this.partSet.clear();
}
}
/**
* 將SMTP命令發(fā)送到郵件服務(wù)器
*
* @param pw
* 郵件服務(wù)器輸入流
*/
private void flush(PrintWriter pw) {
if (!isAllowReadSocketInfo) {
pw.flush();
}
}
/**
* 讀取郵件服務(wù)器的響應(yīng)信息
*
* @param pw
* 郵件服務(wù)器輸入流
* @param br
* 郵件服務(wù)器輸出流
* @param infoBuilder
* 用來存放服務(wù)器響應(yīng)信息的字符串緩沖
* @param msgCode
* @return
* @throws IOException
*/
private boolean readResponse(PrintWriter pw, BufferedReader br,
StringBuilder infoBuilder, String msgCode) throws IOException {
if (isAllowReadSocketInfo) {
pw.flush();
String message = br.readLine();
infoBuilder.append("SERVER:/>");
infoBuilder.append(message).append(LINE_END);
if (null == message || 0 > message.indexOf(msgCode)) {
System.out.println("ERROR: " + message);
pw.write("QUIT".concat(LINE_END));
pw.flush();
return false;
}
if (isDebug) {
System.out.println("DEBUG:/>" + msgCode + "/" + message);
}
}
return true;
}
public String getBoundaryNextPart() {
return boundaryNextPart;
}
public void setBoundaryNextPart(String boundaryNextPart) {
this.boundaryNextPart = boundaryNextPart;
}
public String getDefaultAttachmentContentType() {
return defaultAttachmentContentType;
}
public void setDefaultAttachmentContentType(
String defaultAttachmentContentType) {
this.defaultAttachmentContentType = defaultAttachmentContentType;
}
public String getHost() {
return host;
}
public void setHost(String host) {
this.host = host;
}
public String getFrom() {
return from;
}
public void setFrom(String from) {
this.from = from;
}
public List<String> getTo() {
return to;
}
public void setTo(List<String> to) {
this.to = to;
}
public String getSubject() {
return subject;
}
public void setSubject(String subject) {
this.subject = subject;
}
public String getUser() {
return user;
}
public void setUser(String user) {
this.user = user;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getContentType() {
return contentType;
}
public void setContentType(String contentType) {
this.contentType = contentType;
}
public String getBoundary() {
return boundary;
}
public void setBoundary(String boundary) {
this.boundary = boundary;
}
public String getContentTransferEncoding() {
return contentTransferEncoding;
}
public void setContentTransferEncoding(String contentTransferEncoding) {
this.contentTransferEncoding = contentTransferEncoding;
}
public String getCharset() {
return charset;
}
public void setCharset(String charset) {
this.charset = charset;
}
public String getContentDisposition() {
return contentDisposition;
}
public void setContentDisposition(String contentDisposition) {
this.contentDisposition = contentDisposition;
}
public String getSimpleDatePattern() {
return simpleDatePattern;
}
public void setSimpleDatePattern(String simpleDatePattern) {
this.simpleDatePattern = simpleDatePattern;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public boolean isAllowReadSocketInfo() {
return isAllowReadSocketInfo;
}
public void setAllowReadSocketInfo(boolean isAllowReadSocketInfo) {
this.isAllowReadSocketInfo = isAllowReadSocketInfo;
}
/**
* @param args
*/
public static void main(String[] args) {
// 應(yīng)用示例：線程化發(fā)送郵件
new Thread() {
@Override
public void run() {
System.out.println("SENDER-" + this.getId() + ":/>"
+ "開始發(fā)送郵件...");
// 創(chuàng)建郵件對象
Mail mail = new Mail();
//http://oe.msn.msnmail.hotmail.com/cgi-bin/hmdata
mail.setHost("smtp.126.com"); // 郵件服務(wù)器地址
mail.setFrom("jiang_shi_jie@126.com"); // 發(fā)件人郵箱
mail.addTo("zhxtn@hotmail.com"); // 收件人郵箱
//mail.addCc("test@m1.com");
//mail.addBcc("test@m2.com");
mail.setSubject("CC Test Mail!!"); // 郵件主題
mail.setUser("jiang_shi_jie@126.com"); // 用戶名
mail.setPassword(""); // 密碼
mail.setContent("這是一個測試，請不要回復(fù)！"); // 郵件正文
//mail.addAttachment("utf8中.txt"); // 添加附件
// mail.addAttachment(
// "e:/test.htm"); //
// 添加附件
System.out.println(mail.send()); // 發(fā)送
System.out.println("SENDER-" + this.getId() + ":/>"
+ "郵件已發(fā)送完畢！");
}
}.start();
}
}
//本文來自CSDN博客，轉(zhuǎn)載請標明出處：http://blog.csdn.net/zlz3907/archive/2009/03/04/3958081.aspx