📄 yhbuildprotocol.java
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package testDzjs.yhServer.com;
import java.util.Arrays;
/**
* Created by IntelliJ IDEA.
* User: Administrator
* Date: 2005-4-14
* Time: 13:40:19
* To change this template use File | Settings | File Templates.
*/
/**
* 生成协议
*/
public class YHBuildProtocol {
static long crc_32_tab[] = { /* CRC polynomial 0xedb88320 */
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
/**
* 生成向银行发起的电子缴税协议体
* @param requestContent
* @param requestLength
* @return
*/
protected static byte[] protocal(String[] requestContent,
int[] requestLength) {
if (requestContent.length != requestLength.length) {
System.out.println("数据错误,缺少有效数据");
}
//协议总长度
int length = 0;
for (int i = 0; i < requestLength.length; i++) {
length += requestLength[i];
}
//初始化协议体
byte[] body = new byte[0];
for (int i = 0; i < requestContent.length; i++) {
byte[] cellContent = coverNull(requestContent[i]).getBytes();
int cellLength = requestLength[i];
if (cellContent.length > cellLength) {
for (int j = 0; j < requestContent.length; j++) {
}
System.out.println("数据错误,第" + i + "位元素 "
+ requestContent[i] + "数据长度超出有效范围" + cellLength
+ "长度超出有效范围,数据长度应小于" + cellLength);
} else {
byte[] cell = fillSpace(cellContent, cellLength);
body = connectBytes(body, cell);
}
}
return body;
}
/**
* 字符串空值校验
* @param strNull
* @return
*/
public static String coverNull(String strNull) {
if (strNull == null) {
return "";
} else {
return strNull;
}
}
/**
* 协议生成，不足补空格
* @param content
* @param length
* @return
*/
private static byte[] fillSpace(byte[] content, int length) {
if (content.length < length) {
byte space[] = new byte[length];
byte white = 32;
Arrays.fill(space, white);
for (int i = 0; i < content.length; i++) {
space[i] = content[i];
}
return space;
} else {
return content;
}
}
/**
* 数组合并
* @param src
* @param dest
* @return
*/
protected static byte[] connectBytes(byte[] src, byte[] dest) {
byte[] bytes = new byte[src.length + dest.length];
System.arraycopy(src, 0, bytes, 0, src.length);
System.arraycopy(dest, 0, bytes, src.length, dest.length);
return bytes;
}
//++++++============================
/**
* 根据协议体生成协议头 企业部份
* @param body
* @return
*/
protected static byte[] protocalHead(byte[] body) {
byte[] front = new byte[4];
front[0] = 89; // Y
front[1] = 83; // S
front[2] = 84; // T
front[3] = 88; // X
byte[] lenght = intToByte(body.length);
byte[] head = connectBytes(front, lenght);
long crc = crc32(body, body.length);
byte[] crc1 = longToByte(crc);
head = connectBytes(head, crc1);
crc = crc32(head, head.length);
byte[] crc2 = longToByte(crc);
head = connectBytes(head, crc2);
return head;
}
/**
* 根据协议体生成协议头 个体纳税户部份
* @param body
* @return
*/
protected static byte[] protocalHeadDH(byte[] body) {
byte[] front = new byte[4];
front[0] = 89; // Y
front[1] = 83; // S
front[2] = 84; // T
front[3] = 88; // X
byte[] lenght = intToByte(body.length);
byte[] head = connectBytes(front, lenght);
// long crc = crc32(body, body.length);
// byte[] crc1 = longToByte(crc);
// head = connectBytes(head, crc1);
//
// crc = crc32(head, head.length);
// byte[] crc2 = longToByte(crc);
// head = connectBytes(head, crc2);
return head;
}
/**
* 将一个int转换成byte[4]
*
* @param value
* @return
*/
private static byte[] intToByte(int value) {
byte[] bytes = new byte[4];
bytes[3] = (byte) (value & 0x000000ff);
bytes[2] = (byte) ((value >> 8) & 0x000000ff);
bytes[1] = (byte) ((value >> 16) & 0x000000ff);
bytes[0] = (byte) ((value >> 24) & 0x000000ff);
return bytes;
}
/**
* CRC效验
* @param s
* @param len
* @return CRC效验码
*/
public static long crc32(byte[] s, long len) {
long crc = 0;
long temp1, temp2;
long tmpCRC;
len = len > s.length ? s.length : len;
for (int i = 0; i < len; ++i) {
temp1 = (crc >> 8) & 0x00FFFFFFL;
tmpCRC = ((byte)crc ^ s[i]);
temp2 = crc_32_tab[(int)(tmpCRC & 0x000000FFL)];
crc = temp1 ^ temp2;
}
return crc;
}
/**
* 将一个long转换成byte[4]
*
* @param value
* @return
*/
private static byte[] longToByte(long value) {
byte[] bytes = new byte[4];
bytes[3] = (byte) (value & 0x000000ff);
bytes[2] = (byte) ((value >> 8) & 0x000000ff);
bytes[1] = (byte) ((value >> 16) & 0x000000ff);
bytes[0] = (byte) ((value >> 24) & 0x000000ff);
return bytes;
}
/**
* 返回构造好的协议整体
* @param requestContent
* @param requestLength
* @return
*/
public byte[] getProtocolData(String[] requestContent,int[] requestLength){
byte[] body = protocal(requestContent, requestLength);
System.out.println(new String(body));
byte[] protocolHead = protocalHead(body);
return connectBytes(protocolHead, body);
}
/**
* 返回构造好的协议整体 电话申报
* @param requestContent
* @param requestLength
* @return
*/
public byte[] getProtocolDataDH(String[] requestContent,int[] requestLength){
return protocal(requestContent, requestLength);
}
}
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