使用JavaSocket编写发送TCP请求的工具类

原创：http://blog.csdn.net/jadyer/article/details/8788303  

      使用JavaSocket编写发送TCP请求的工具类       

        分类：            JavaSE2013-04-11 14:56190人阅读评论(0)收藏举报

javasockettcphttpmina

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1. package com.jadyer.util; 
2.  
3. import java.io.ByteArrayOutputStream; 
4. import java.io.IOException; 
5. import java.io.InputStream; 
6. import java.io.OutputStream; 
7. import java.net.InetSocketAddress; 
8. import java.net.Socket; 
9. import java.util.HashMap; 
10. import java.util.Map; 
11.  
12. /**
13. * 使用JavaSocket编写发送TCP请求的工具类
14. * @see 类似的有一个Mina工具类:http://blog.csdn.net/jadyer/article/details/8088068
15. * @see 欲查询Scoket的有关属性:http://blog.csdn.net/jadyer/article/details/8788272
16. * @create Apr 5, 2013 9:25:34 PM
17. * @author 玄玉<http://blog.csdn.net/jadyer>
18. */ 
19. public class TCPUtil { 
20.     private TCPUtil(){} 
21.      
22.     /**
23.      * 发送TCP请求
24.      * @see 本方法默认的连接超时和读取超时均为30秒
25.      * @see 编码与解码请求响应字节时,均采用双方约定的字符集,即本方法的第四个参数reqCharset
26.      * @param IP         远程主机地址
27.      * @param port       远程主机端口
28.      * @param reqData    待发送报文的中文字符串形式
29.      * @param reqCharset 该方法与远程主机间通信报文的编码字符集(编码为byte[]发送到Server)
30.      * @return localPort--本地绑定的端口,reqData--请求报文,respData--响应报文,respDataHex--远程主机响应的原始字节的十六进制表示
31.      */ 
32.     public static Map<String, String> sendTCPRequest(String IP, String port, String reqData, String reqCharset){ 
33.         Map<String, String> respMap = new HashMap<String, String>(); 
34.         OutputStream out = null;     //写 
35.         InputStream in = null;       //读 
36.         String localPort = null;     //本地绑定的端口(java socket, client, /127.0.0.1:50804 => /127.0.0.1:9901) 
37.         String respData = null;      //响应报文 
38.         String respDataHex = null;   //远程主机响应的原始字节的十六进制表示 
39.         Socket socket = new Socket();//客户机 
40.         try { 
41.             socket.setTcpNoDelay(true); 
42.             socket.setReuseAddress(true); 
43.             socket.setSoTimeout(30000); 
44.             socket.setSoLinger(true,5); 
45.             socket.setSendBufferSize(1024); 
46.             socket.setReceiveBufferSize(1024); 
47.             socket.setKeepAlive(true); 
48.             socket.connect(new InetSocketAddress(IP, Integer.parseInt(port)),30000); 
49.             localPort = String.valueOf(socket.getLocalPort()); 
50.             /**
51.              * 发送TCP请求
52.              */ 
53.             out = socket.getOutputStream(); 
54.             out.write(reqData.getBytes(reqCharset)); 
55.             /**
56.              * 接收TCP响应
57.              */ 
58.             in = socket.getInputStream(); 
59.             ByteArrayOutputStream bytesOut = new ByteArrayOutputStream(); 
60.             byte[] buffer = newbyte[512]; 
61.             int len = -1; 
62.             while((len=in.read(buffer)) != -1){ 
63.                 bytesOut.write(buffer, 0, len); 
64.             } 
65.             /**
66.              * 解码TCP响应的完整报文
67.              */ 
68.             respData = bytesOut.toString(reqCharset); 
69.             respDataHex = formatToHexStringWithASCII(bytesOut.toByteArray()); 
70.         } catch (Exception e) { 
71.             System.out.println("与[" + IP +":" + port + "]通信遇到异常,堆栈信息如下"); 
72.             e.printStackTrace(); 
73.         } finally { 
74.             if (null!=socket && socket.isConnected() && !socket.isClosed()) { 
75.                 try { 
76.                     socket.close(); 
77.                 } catch (IOException e) { 
78.                     System.out.println("关闭客户机Socket时发生异常,堆栈信息如下"); 
79.                     e.printStackTrace(); 
80.                 } 
81.             } 
82.         } 
83.         respMap.put("localPort", localPort); 
84.         respMap.put("reqData", reqData); 
85.         respMap.put("respData", respData); 
86.         respMap.put("respDataHex", respDataHex); 
87.         return respMap; 
88.     } 
89.      
90.     /**
91.      * 通过ASCII码将十进制的字节数组格式化为十六进制字符串
92.      * @see 该方法会将字节数组中的所有字节均格式化为字符串
93.      * @see 使用说明详见<code>formatToHexStringWithASCII(byte[], int, int)</code>方法
94.      */ 
95.     private static String formatToHexStringWithASCII(byte[] data){ 
96.         return formatToHexStringWithASCII(data,0, data.length); 
97.     } 
98.      
99.      
100.     /**
101.      * 通过ASCII码将十进制的字节数组格式化为十六进制字符串
102.      * @see 该方法常用于字符串的十六进制打印,打印时左侧为十六进制数值,右侧为对应的字符串原文
103.      * @see 在构造右侧的字符串原文时,该方法内部使用的是平台的默认字符集,来解码byte[]数组
104.      * @see 该方法在将字节转为十六进制时,默认使用的是<code>java.util.Locale.getDefault()</code>
105.      * @see 详见String.format(String, Object...)方法和new String(byte[], int, int)构造方法
106.      * @param data   十进制的字节数组
107.      * @param offset 数组下标,标记从数组的第几个字节开始格式化输出
108.      * @param length 格式长度,其不得大于数组长度,否则抛出java.lang.ArrayIndexOutOfBoundsException
109.      * @return 格式化后的十六进制字符串
110.      */ 
111.     private static String formatToHexStringWithASCII(byte[] data,int offset, int length){ 
112.         int end = offset + length; 
113.         StringBuilder sb = new StringBuilder(); 
114.         StringBuilder sb2 = new StringBuilder(); 
115.         sb.append("\r\n------------------------------------------------------------------------"); 
116.         boolean chineseCutFlag = false; 
117.         for(int i=offset; i<end; i+=16){ 
118.             sb.append(String.format("\r\n%04X: ", i-offset));//X或x表示将结果格式化为十六进制整数 
119.             sb2.setLength(0); 
120.             for(int j=i; j<i+16; j++){ 
121.                 if(j < end){ 
122.                     byte b = data[j]; 
123.                     if(b >=0){ //ENG ASCII 
124.                         sb.append(String.format("%02X ", b)); 
125.                         if(b<32 || b>126){//不可见字符 
126.                             sb2.append(" "); 
127.                         }else{ 
128.                             sb2.append((char)b); 
129.                         } 
130.                     }else{ //CHA ASCII 
131.                         if(j == i+15){//汉字前半个字节 
132.                             sb.append(String.format("%02X ", data[j])); 
133.                             chineseCutFlag = true; 
134.                             String s = new String(data, j,2); 
135.                             sb2.append(s); 
136.                         }else if(j == i&&chineseCutFlag){ //后半个字节 
137.                             sb.append(String.format("%02X ", data[j])); 
138.                             chineseCutFlag = false; 
139.                             String s = new String(data, j, 1); 
140.                             sb2.append(s); 
141.                         }else{ 
142.                             sb.append(String.format("%02X %02X ", data[j], data[j +1])); 
143.                             String s = new String(data, j, 2); 
144.                             sb2.append(s); 
145.                             j++; 
146.                         } 
147.                     } 
148.                 }else{ 
149.                     sb.append("   "); 
150.                 } 
151.             } 
152.             sb.append("| "); 
153.             sb.append(sb2.toString()); 
154.         } 
155.         sb.append("\r\n------------------------------------------------------------------------"); 
156.         return sb.toString(); 
157.     } 
158. } 

package com.jadyer.util;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.InetSocketAddress;import java.net.Socket;import java.util.HashMap;import java.util.Map;/** * 使用JavaSocket编写发送TCP请求的工具类 * @see 类似的有一个Mina工具类:http://blog.csdn.net/jadyer/article/details/8088068 * @see 欲查询Scoket的有关属性:http://blog.csdn.net/jadyer/article/details/8788272 * @create Apr 5, 2013 9:25:34 PM * @author 玄玉<http://blog.csdn.net/jadyer> */public class TCPUtil {private TCPUtil(){}/** * 发送TCP请求 * @see 本方法默认的连接超时和读取超时均为30秒 * @see 编码与解码请求响应字节时,均采用双方约定的字符集,即本方法的第四个参数reqCharset * @param IP         远程主机地址 * @param port       远程主机端口 * @param reqData    待发送报文的中文字符串形式 * @param reqCharset 该方法与远程主机间通信报文的编码字符集(编码为byte[]发送到Server) * @return localPort--本地绑定的端口,reqData--请求报文,respData--响应报文,respDataHex--远程主机响应的原始字节的十六进制表示 */public static Map<String, String> sendTCPRequest(String IP, String port, String reqData, String reqCharset){Map<String, String> respMap = new HashMap<String, String>();OutputStream out = null;      //写InputStream in = null;        //读String localPort = null;      //本地绑定的端口(java socket, client, /127.0.0.1:50804 => /127.0.0.1:9901)String respData = null;       //响应报文String respDataHex = null;    //远程主机响应的原始字节的十六进制表示Socket socket = new Socket(); //客户机try {socket.setTcpNoDelay(true);socket.setReuseAddress(true);socket.setSoTimeout(30000);socket.setSoLinger(true, 5);socket.setSendBufferSize(1024);socket.setReceiveBufferSize(1024);socket.setKeepAlive(true);socket.connect(new InetSocketAddress(IP, Integer.parseInt(port)), 30000);localPort = String.valueOf(socket.getLocalPort());/** * 发送TCP请求 */out = socket.getOutputStream();out.write(reqData.getBytes(reqCharset));/** * 接收TCP响应 */in = socket.getInputStream();ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();byte[] buffer = new byte[512];int len = -1;while((len=in.read(buffer)) != -1){bytesOut.write(buffer, 0, len);}/** * 解码TCP响应的完整报文 */respData = bytesOut.toString(reqCharset);respDataHex = formatToHexStringWithASCII(bytesOut.toByteArray());} catch (Exception e) {System.out.println("与[" + IP + ":" + port + "]通信遇到异常,堆栈信息如下");e.printStackTrace();} finally {if (null!=socket && socket.isConnected() && !socket.isClosed()) {try {socket.close();} catch (IOException e) {System.out.println("关闭客户机Socket时发生异常,堆栈信息如下");e.printStackTrace();}}}respMap.put("localPort", localPort);respMap.put("reqData", reqData);respMap.put("respData", respData);respMap.put("respDataHex", respDataHex);return respMap;}/** * 通过ASCII码将十进制的字节数组格式化为十六进制字符串 * @see 该方法会将字节数组中的所有字节均格式化为字符串 * @see 使用说明详见<code>formatToHexStringWithASCII(byte[], int, int)</code>方法 */private static String formatToHexStringWithASCII(byte[] data){return formatToHexStringWithASCII(data, 0, data.length);}/** * 通过ASCII码将十进制的字节数组格式化为十六进制字符串 * @see 该方法常用于字符串的十六进制打印,打印时左侧为十六进制数值,右侧为对应的字符串原文 * @see 在构造右侧的字符串原文时,该方法内部使用的是平台的默认字符集,来解码byte[]数组 * @see 该方法在将字节转为十六进制时,默认使用的是<code>java.util.Locale.getDefault()</code> * @see 详见String.format(String, Object...)方法和new String(byte[], int, int)构造方法 * @param data   十进制的字节数组 * @param offset 数组下标,标记从数组的第几个字节开始格式化输出 * @param length 格式长度,其不得大于数组长度,否则抛出java.lang.ArrayIndexOutOfBoundsException * @return 格式化后的十六进制字符串 */private static String formatToHexStringWithASCII(byte[] data, int offset, int length){int end = offset + length;StringBuilder sb = new StringBuilder();StringBuilder sb2 = new StringBuilder();sb.append("\r\n------------------------------------------------------------------------");boolean chineseCutFlag = false;for(int i=offset; i<end; i+=16){sb.append(String.format("\r\n%04X: ", i-offset)); //X或x表示将结果格式化为十六进制整数sb2.setLength(0);for(int j=i; j<i+16; j++){if(j < end){byte b = data[j];if(b >= 0){ //ENG ASCIIsb.append(String.format("%02X ", b));if(b<32 || b>126){ //不可见字符sb2.append(" ");}else{sb2.append((char)b);}}else{ //CHA ASCIIif(j == i+15){ //汉字前半个字节sb.append(String.format("%02X ", data[j]));chineseCutFlag = true;String s = new String(data, j, 2);sb2.append(s);}else if(j == i&&chineseCutFlag){ //后半个字节sb.append(String.format("%02X ", data[j]));chineseCutFlag = false;String s = new String(data, j, 1);sb2.append(s);}else{sb.append(String.format("%02X %02X ", data[j], data[j + 1]));String s = new String(data, j, 2);sb2.append(s);j++;}}}else{sb.append("   ");}}sb.append("| ");sb.append(sb2.toString());}sb.append("\r\n------------------------------------------------------------------------");return sb.toString();}}

下面是测试代码

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1. public staticvoid main(String[] args) { 
2.     String reqData = "0003721000510110199201209222240000020120922000069347814303000700000813``中国联通交费充值`为号码18655228826交费充值100.00元`UDP1209222238312219411`10000```20120922`chinaunicom-payFeeOnline`UTF-8`20120922223831`MD5`20120922020103806276`1`02`10000`20120922223954`20120922`BOCO_B2C```http://192.168.20.2:5545/ecpay/pay/elecChnlFrontPayRspBackAction.action`1`立即支付,交易成功`"; 
3.     String IP = "127.0.0.1"; 
4.     String port = "9901"; 
5.     String reqCharset = "GB18030"; 
6.     Map<String, String> respMap = sendTCPRequest(IP, port, reqData, reqCharset); 
7.     System.out.println("============================================================================="); 
8.     System.out.println("请求报文如下"); 
9.     System.out.println(respMap.get("reqData")); 
10.     System.out.println("============================================================================="); 
11.     System.out.println("响应报文如下"); 
12.     System.out.println(respMap.get("respData")); 
13.     System.out.println("============================================================================="); 
14.     System.out.println("响应十六进制如下"); 
15.     System.out.println(respMap.get("respDataHex")); 
16.     System.out.println("============================================================================="); 
17. } 

public static void main(String[] args) {String reqData = "0003721000510110199201209222240000020120922000069347814303000700000813``中国联通交费充值`为号码18655228826交费充值100.00元`UDP1209222238312219411`10000```20120922`chinaunicom-payFeeOnline`UTF-8`20120922223831`MD5`20120922020103806276`1`02`10000`20120922223954`20120922`BOCO_B2C```http://192.168.20.2:5545/ecpay/pay/elecChnlFrontPayRspBackAction.action`1`立即支付,交易成功`";String IP = "127.0.0.1";String port = "9901";String reqCharset = "GB18030";Map<String, String> respMap = sendTCPRequest(IP, port, reqData, reqCharset);System.out.println("=============================================================================");System.out.println("请求报文如下");System.out.println(respMap.get("reqData"));System.out.println("=============================================================================");System.out.println("响应报文如下");System.out.println(respMap.get("respData"));System.out.println("=============================================================================");System.out.println("响应十六进制如下");System.out.println(respMap.get("respDataHex"));System.out.println("=============================================================================");}

下面是控制台输出

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1. //控制台输出如下 
2. //============================================================================= 
3. //  请求报文如下 
4. //  0003721000510110199201209222240000020120922000069347814303000700000813``中国联通交费充值`为号码18655228826交费充值100.00元`UDP1209222238312219411`10000```20120922`chinaunicom-payFeeOnline`UTF-8`20120922223831`MD5`20120922020103806276`1`02`10000`20120922223954`20120922`BOCO_B2C```http://192.168.20.2:5545/ecpay/pay/elecChnlFrontPayRspBackAction.action`1`立即支付,交易成功` 
5. //  ============================================================================= 
6. //  响应报文如下 
7. //  00015800000000订单结果通知:商户系统未成功接收到通知,需要继续通知                                               6717356649614827173120130405201628201304051` 
8. //  ============================================================================= 
9. //  响应十六进制如下 
10. // 
11. //  ------------------------------------------------------------------------ 
12. //  0000: 30 30 30 31 35 38 30 30 30 30 30 30 30 30 B6 A9 | 00015800000000订 
13. //  0010: B5 A5 BD E1 B9 FB CD A8 D6 AA 3A C9 CC BB A7 CF | 单结果通知:商户系 
14. //  0020: B5 CD B3 CE B4 B3 C9 B9 A6 BD D3 CA D5 B5 BD CD | ?统未成功接收到通 
15. //  0030: A8 D6 AA 2C D0 E8 D2 AA BC CC D0 F8 CD A8 D6 AA | ?知,需要继续通知 
16. //  0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |                 
17. //  0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |                 
18. //  0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |                 
19. //  0070: 00 00 36 37 31 37 33 35 36 36 34 39 36 31 34 38 |   67173566496148 
20. //  0080: 32 37 31 37 33 31 32 30 31 33 30 34 30 35 32 30 | 2717312013040520 
21. //  0090: 31 36 32 38 32 30 31 33 30 34 30 35 31 60       | 1628201304051` 
22. //  ------------------------------------------------------------------------ 
23. //  ============================================================================= 
24. //