例 1.1. TimeStamp实现代码

public String getTimeStamp()
{
  Calendar cal=Calendar.getInstance();
  SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss.SSS");
  String timeStamp=formatter.format(cal.getTime());
  return timeStamp;
}

例 1.2. Digest的实现代码

public String getDigest(String strSrc)
{
	//String strSrc = spCode + "___FCKpd___1quot; + getSeed() + "___FCKpd___1quot; + spKey;
	BASE64Encoder base64en = new BASE64Encoder();
	String digest="";
	try
	{
	  byte[] srcMD5 = md5Encrypt(strSrc);
	  digest = base64en.encode(srcMD5);		(1)
	}
	catch(Exception e){
	  e.printStackTrace();
	}
	return digest;
  }

private byte[] md5Encrypt(String strSrc)
{
	byte[] returnByte = null;
	try
	{
		MessageDigest md5 = MessageDigest.getInstance("MD5"); (2)
		returnByte = md5.digest(strSrc.getBytes("GBK"));
	}
	catch(Exception e)
	{
		e.printStackTrace();
	}
	return returnByte;
} 		

例 1.3. 得到3-DES的密钥匙

private byte[] getEnKey(String spKey)
{
	byte[] desKey=null;
	try
	{
	  byte[] desKey1 = md5Encrypt(spKey);
	  desKey = new byte[24];
	  int i = 0;
	  while (i < desKey1.length && i < 24) {
		desKey[i] = desKey1[i];
		i++;
	  }
	  if (i < 24) {         (1)
		desKey[i] = 0;
		i++;
	  }
	}
	catch(Exception e){
	  e.printStackTrace();
	}
	return desKey;
}

例 1.4. 3-DES加密的实现代码

public String getSPTicketRequestValue()
{
	String SPTicketRequestValue="";
	try{
	  byte[] src = (getSeed() + "___FCKpd___3quot; + getDigest() ).getBytes("UTF-16LE");
	  byte[] enKey = getEnKey(spKey);
	  byte[] encryptedData = Encrypt(src,enKey);						(1)
	  String base64Encrypt = filter(base64en.encode(encryptedData));    (2)  
	  String requestValue=spCode + "___FCKpd___3quot; + base64Encrypt;					
	  SPTicketRequestValue=URLEncoder.encode(requestValue);
	}
	catch(Exception e){
	  e.printStackTrace();
	}
	return SPTicketRequestValue;
}

 public byte[] Encrypt(byte[] src,byte[] enKey)
{
	byte[] encryptedData = null;
	try
	{
		DESedeKeySpec dks = new DESedeKeySpec(enKey);							(3)
		SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");	(4)
		SecretKey key = keyFactory.generateSecret(dks);							(5)
		Cipher cipher = Cipher.getInstance("DESede");							(6)
		cipher.init(Cipher.ENCRYPT_MODE, key);									(7)
		encryptedData = cipher.doFinal(src);									(8)
	}
	catch(Exception e)
	{
		e.printStackTrace();
	}
	return encryptedData;
}

 private String filter(String str)
{
	String output = null;
	StringBuffer sb = new StringBuffer();
	for(int i = 0; i < str.length(); i++)
	{
		int asc = str.charAt(i);
		if(asc != 10 && asc != 13)
			sb.append(str.subSequence(i, i + 1));
	}
	output = new String(sb);
	return output;
}

例 2.1. 解析预定请求

InputStream subscriptionRequestStream = request.getInputStream();  (1)
PraseXml(subscriptionRequestStream);							   (2)

例 2.2. 请求成功的响应格式

StringBuffer sb = new StringBuffer();
sb.append("<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n");
sb.append("<U-MAX>\n");
sb.append("<PreSubscriptionNotify>\n");
sb.append("<MDN>" + getMdn() + "</MDN>\n");
sb.append("<SPCode>" + getSpCode() + "</SPCode>\n");
sb.append("<ProductCode>" + getProductCode() + "</ProductCode>\n");
sb.append("<TransactionID>" + getTransactionID() + "</TransactionID>\n");
sb.append("</PreSubscriptionNotify>\n");
sb.append("</U-MAX>");
String strResponse = new String(sb);

例 3.1. 请求处理成功的响应

StringBuffer sb = new StringBuffer();
sb.append("<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n");
sb.append("<U-MAX>\n");
sb.append("<SubscriptionCancel>\n");
sb.append("<MDN>" + getMdn() + "</MDN>\n");
sb.append("<SPCode>" + getSpCode() + "</SPCode>\n");
sb.append("<ProductCode>" + getProductCode() + "</ProductCode>\n");
sb.append("<TransactionID>" + getTransactionID() + "</TransactionID>\n");
sb.append("</SubscriptionCancel>\n");
sb.append("</U-MAX>");
String strResponse = new String(sb);

例 3.2. 请求处理失败的响应

StringBuffer sb = new StringBuffer();
sb.append("<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n");
sb.append("<U-MAX>\n");
sb.append("<ValidError>\n");
sb.append("<ValidErrorCode>");
sb.append(getErrorCode());
sb.append("</ValidErrorCode>");
sb.append("<ValidErrorInfo>");
sb.append(getErrorInfo());
sb.append("</ValidErrorInfo>");
sb.append("</ValidError>\n");
sb.append("</U-MAX>");
String strResponse = new String(sb);

例 4.1. 构建MIME格式的包体

private MimeMessage mime;
//构造MIME格式的包体
private void setMimeMessage()
{
try
{
mime.setFrom(new InternetAddress(strFrom));		(1)
mime.addRecipient(javax.mail.Message.RecipientType.TO, new InternetAddress(strTo)); (2)
mime.setSubject(strSubject,"UTF-8");	(3)
mime.setSentDate(new Date());
mime.setContent(getMimeMultipart());													
}
catch(Exception ex)
{
}
}
private MimeMultipart getMimeMultipart()
{
MimeMultipart mimeMultipart = new MimeMultipart();
MimeBodyPart mimeBodyPart = new MimeBodyPart();	
try
{
mimeBodyPart.setText((String)mimeBodyText.get(i),"UTF-8");	(4)
mimeMultipart.addBodyPart(mimeBodyPart);
Vector filePathes = getFilePaths();
for(int i = 0; i < filePathes.size(); i++)
{
String filePath = (String)filePathes.get(i);
javax.activation.DataSource datasource = new FileDataSource(filePath);
MimeBodyPart mimeFile = new MimeBodyPart();
mimeFile.setDataHandler(new DataHandler(datasource));
mimeFile.setFileName((new File(filePath)).getName());
mimeMultipart.addBodyPart(mimeFile);
}
}
catch(Exception e)
{

}
return mimeMultipart;
}