背景
前面我们介绍过利用javassist动态生成webservice，这种方式可以使得我们系统通过页面配置动态发布webservice服务，做到0代码开发发布北向接口。进一步思考，我们如何0代码开发调用第三方webservice服务呢？
wsdl解析
首先必然是理解第三方webservice的接口描述，也就是解析wsdl文件。wsdl文件是webservice服务接口描述文档，一个wsdl文件可以包含多个接口，一个接口可以包含多个方法。
实际上，wsdl解析是十分困难的工作，网上也没有找到有效的解决办法，最终通过阅读开源源码，找到了完美的解析方法。
代码
1 /**
2 * WsdlInfo.java Create on 2013-5-4 下午12:56:14
3 *
4 * 类功能说明: wsdl解析入口
5 *
6 * Copyright: Copyright(c) 2013
7 * Company: COSHAHO
8 * @Version 1.0
9 * @Author 何科序
10 */
11 public class WsdlInfo
12 {
13 private String wsdlName;
14
15 private List<InterfaceInfo> interfaces;
16
17 /**
18 * coshaho
19 * @param path wsdl地址
20 * @throws Exception
21 */
22 public WsdlInfo(String path) throws Exception
23 {
24 WProject project = new WProject();
25 WsdlInterface[] wsdlInterfaces = WsdlImporter.importWsdl( project, path );
26 this.wsdlName = path;
27 if(null != wsdlInterfaces)
28 {
29 List<InterfaceInfo> interfaces = new ArrayList<InterfaceInfo>();
30 for(WsdlInterface wsdlInterface : wsdlInterfaces)
31 {
32 InterfaceInfo interfaceInfo = new InterfaceInfo(wsdlInterface);
33 interfaces.add(interfaceInfo);
34 }
35 this.interfaces = interfaces;
36 }
37 }
38
39 public String getWsdlName() {
40 return wsdlName;
41 }
42
43 public void setWsdlName(String wsdlName) {
44 this.wsdlName = wsdlName;
45 }
46
47 public List<InterfaceInfo> getInterfaces() {
48 return interfaces;
49 }
50
51 public void setInterfaces(List<InterfaceInfo> interfaces) {
52 this.interfaces = interfaces;
53 }
54 }
1 /**
2 *
3 * InterfaceInfo.java Create on 2016年7月20日 下午9:03:21
4 *
5 * 类功能说明: 接口信息
6 *
7 * Copyright: Copyright(c) 2013
8 * Company: COSHAHO
9 * @Version 1.0
10 * @Author 何科序
11 */
12 public class InterfaceInfo
13 {
14 private String interfaceName;
15
16 private List<OperationInfo> operations;
17
18 private String[] adrress;
19
20 public InterfaceInfo(WsdlInterface wsdlInterface)
21 {
22 this.interfaceName = wsdlInterface.getName();
23
24 this.adrress = wsdlInterface.getEndpoints();
25
26 int operationNum = wsdlInterface.getOperationCount();
27 List<OperationInfo> operations = new ArrayList<OperationInfo>();
28
29 for(int i = 0; i < operationNum; i++)
30 {
31 WsdlOperation operation = ( WsdlOperation )wsdlInterface.getOperationAt( i );
32 OperationInfo operationInfo = new OperationInfo(operation);
33 operations.add(operationInfo);
34 }
35
36 this.operations = operations;
37 }
38
39 public String getInterfaceName() {
40 return interfaceName;
41 }
42
43 public void setInterfaceName(String interfaceName) {
44 this.interfaceName = interfaceName;
45 }
46
47 public List<OperationInfo> getOperations() {
48 return operations;
49 }
50
51 public void setOperations(List<OperationInfo> operations) {
52 this.operations = operations;
53 }
54
55 public String[] getAdrress() {
56 return adrress;
57 }
58
59 public void setAdrress(String[] adrress) {
60 this.adrress = adrress;
61 }
62 }
1 /**
2 *
3 * OperationInfo.java Create on 2016年7月20日 下午9:03:42
4 *
5 * 类功能说明: 方法信息
6 *
7 * Copyright: Copyright(c) 2013
8 * Company: COSHAHO
9 * @Version 1.0
10 * @Author 何科序
11 */
12 public class OperationInfo
13 {
14 private String operationName;
15
16 private String requestXml;
17
18 private String responseXml;
19
20 public OperationInfo(WsdlOperation operation)
21 {
22 operationName = operation.getName();
23 requestXml = operation.createRequest( true );
24 responseXml = operation.createResponse(true);
25 }
26
27 public String getOperationName() {
28 return operationName;
29 }
30
31 public void setOperationName(String operationName) {
32 this.operationName = operationName;
33 }
34
35 public String getRequestXml() {
36 return requestXml;
37 }
38
39 public void setRequestXml(String requestXml) {
40 this.requestXml = requestXml;
41 }
42
43 public String getResponseXml() {
44 return responseXml;
45 }
46
47 public void setResponseXml(String responseXml) {
48 this.responseXml = responseXml;
49 }
50 }
测试代码
1 package com.coshaho.integration;
2
3 import com.coshaho.integration.wsdl.InterfaceInfo;
4 import com.coshaho.integration.wsdl.OperationInfo;
5 import com.coshaho.integration.wsdl.WsdlInfo;
6
7 /**
8 *
9 * WSDLParseTest.java Create on 2016年7月20日 下午9:24:36
10 *
11 * 类功能说明: WSDL解析测试
12 *
13 * Copyright: Copyright(c) 2013
14 * Company: COSHAHO
15 * @Version 1.0
16 * @Author 何科序
17 */
18 public class WSDLParseTest
19 {
20 public static void main(String[] args) throws Exception
21 {
22 String url = "http://webservice.webxml.com.cn/WebServices/ChinaOpenFundWS.asmx?wsdl";
23 WsdlInfo wsdlInfo = new WsdlInfo(url);
24 System.out.println("WSDL URL is " + wsdlInfo.getWsdlName());
25
26 for(InterfaceInfo interfaceInfo : wsdlInfo.getInterfaces())
27 {
28 System.out.println("Interface name is " + interfaceInfo.getInterfaceName());
29 for(String ads : interfaceInfo.getAdrress())
30 {
31 System.out.println("Interface address is " + ads);
32 }
33 for(OperationInfo operation : interfaceInfo.getOperations())
34 {
35 System.out.println("operation name is " + operation.getOperationName());
36 System.out.println("operation request is ");
37 System.out.println("operation request is " + operation.getRequestXml());
38 System.out.println("operation response is ");
39 System.out.println(operation.getResponseXml());
40 }
41 }
42 }
43 }
测试结果
1 WSDL URL is http://webservice.webxml.com.cn/WebServices/ChinaOpenFundWS.asmx?wsdl
2 Interface name is ChinaOpenFundWSSoap12
3 Interface address is http://webservice.webxml.com.cn/WebServices/ChinaOpenFundWS.asmx
4 operation name is getFundCodeNameDataSet
5 operation request is
6 operation request is <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/">
7 <soap:Header/>
8 <soap:Body>
9 <web:getFundCodeNameDataSet/>
10 </soap:Body>
11 </soap:Envelope>
12 operation response is
13 <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/" xmlns:xs="http://www.w3.org/2001/XMLSchema">
14 <soap:Header/>
15 <soap:Body>
16 <web:getFundCodeNameDataSetResponse>
17 <!--Optional:-->
18 <web:getFundCodeNameDataSetResult>
19 <xs:schema>
20 <!--Ignoring type [{http://www.w3.org/2001/XMLSchema}schema]-->
21 </xs:schema>
22 <!--You may enter ANY elements at this point-->
23 </web:getFundCodeNameDataSetResult>
24 </web:getFundCodeNameDataSetResponse>
25 </soap:Body>
26 </soap:Envelope>
27 operation name is getFundCodeNameString
28 operation request is
29 operation request is <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/">
30 <soap:Header/>
31 <soap:Body>
32 <web:getFundCodeNameString/>
33 </soap:Body>
34 </soap:Envelope>
35 operation response is
36 <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/">
37 <soap:Header/>
38 <soap:Body>
39 <web:getFundCodeNameStringResponse>
40 <!--Optional:-->
41 <web:getFundCodeNameStringResult>
42 <!--Zero or more repetitions:-->
43 <web:string>?</web:string>
44 </web:getFundCodeNameStringResult>
45 </web:getFundCodeNameStringResponse>
46 </soap:Body>
47 </soap:Envelope>
48 operation name is getOpenFundDataSet
49 operation request is
50 operation request is <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/">
51 <soap:Header/>
52 <soap:Body>
53 <web:getOpenFundDataSet>
54 <!--Optional:-->
55 <web:userID>?</web:userID>
56 </web:getOpenFundDataSet>
57 </soap:Body>
58 </soap:Envelope>
59 operation response is
60 <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/" xmlns:xs="http://www.w3.org/2001/XMLSchema">
61 <soap:Header/>
62 <soap:Body>
63 <web:getOpenFundDataSetResponse>
64 <!--Optional:-->
65 <web:getOpenFundDataSetResult>
66 <xs:schema>
67 <!--Ignoring type [{http://www.w3.org/2001/XMLSchema}schema]-->
68 </xs:schema>
69 <!--You may enter ANY elements at this point-->
70 </web:getOpenFundDataSetResult>
71 </web:getOpenFundDataSetResponse>
72 </soap:Body>
73 </soap:Envelope>
时间： 2024-12-28 20:54:58