WSDL解析

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SoapUI源码，找到了完美的解析方法。

代码

 /**
  * WsdlInfo.java Create on 2013-5-4 下午12:56:14
  *
  * 类功能说明:  wsdl解析入口
  *
  * Copyright: Copyright(c) 2013
  * Company: COSHAHO
  * @Version 1.0
  * @Author 何科序
  */
 public class WsdlInfo
 {
     private String wsdlName;

     private List<InterfaceInfo> interfaces;

     /**
      * coshaho
      * @param path  wsdl地址
      * @throws Exception
      */
     public WsdlInfo(String path) throws Exception
     {
         WsdlProject project = new WsdlProject();
         WsdlInterface[] wsdlInterfaces = WsdlImporter.importWsdl( project, path );
         this.wsdlName = path;
         if(null != wsdlInterfaces)
         {
             List<InterfaceInfo> interfaces = new ArrayList<InterfaceInfo>();
             for(WsdlInterface wsdlInterface : wsdlInterfaces)
             {
                 InterfaceInfo interfaceInfo = new InterfaceInfo(wsdlInterface);
                 interfaces.add(interfaceInfo);
             }
             this.interfaces = interfaces;
         }
     }

     public String getWsdlName() {
         return wsdlName;
     }

     public void setWsdlName(String wsdlName) {
         this.wsdlName = wsdlName;
     }

     public List<InterfaceInfo> getInterfaces() {
         return interfaces;
     }

     public void setInterfaces(List<InterfaceInfo> interfaces) {
         this.interfaces = interfaces;
     }
 }

 /**
  *
  * InterfaceInfo.java Create on 2016年7月20日 下午9:03:21
  *
  * 类功能说明: 接口信息
  *
  * Copyright: Copyright(c) 2013
  * Company: COSHAHO
  * @Version 1.0
  * @Author 何科序
  */
 public class InterfaceInfo
 {
     private String interfaceName;

     private List<OperationInfo> operations;

     private String[] adrress;

     public InterfaceInfo(WsdlInterface wsdlInterface)
     {
         this.interfaceName = wsdlInterface.getName();

         this.adrress = wsdlInterface.getEndpoints();

         int operationNum = wsdlInterface.getOperationCount();
         List<OperationInfo> operations = new ArrayList<OperationInfo>();

         for(int i = 0; i < operationNum; i++)
         {
             WsdlOperation operation = ( WsdlOperation )wsdlInterface.getOperationAt( i );
             OperationInfo operationInfo = new OperationInfo(operation);
             operations.add(operationInfo);
         }

         this.operations = operations;
     }

     public String getInterfaceName() {
         return interfaceName;
     }

     public void setInterfaceName(String interfaceName) {
         this.interfaceName = interfaceName;
     }

     public List<OperationInfo> getOperations() {
         return operations;
     }

     public void setOperations(List<OperationInfo> operations) {
         this.operations = operations;
     }

     public String[] getAdrress() {
         return adrress;
     }

     public void setAdrress(String[] adrress) {
         this.adrress = adrress;
     }
 }

 /**
  *
  * OperationInfo.java Create on 2016年7月20日 下午9:03:42
  *
  * 类功能说明:  方法信息
  *
  * Copyright: Copyright(c) 2013
  * Company: COSHAHO
  * @Version 1.0
  * @Author 何科序
  */
 public class OperationInfo
 {
     private String operationName;

     private String requestXml;

     private String responseXml;

     public OperationInfo(WsdlOperation operation)
     {
         operationName = operation.getName();
         requestXml = operation.createRequest( true );
         responseXml = operation.createResponse(true);
     }

     public String getOperationName() {
         return operationName;
     }

     public void setOperationName(String operationName) {
         this.operationName = operationName;
     }

     public String getRequestXml() {
         return requestXml;
     }

     public void setRequestXml(String requestXml) {
         this.requestXml = requestXml;
     }

     public String getResponseXml() {
         return responseXml;
     }

     public void setResponseXml(String responseXml) {
         this.responseXml = responseXml;
     }
 }

测试代码

 package com.coshaho.integration;

 import com.coshaho.integration.wsdl.InterfaceInfo;
 import com.coshaho.integration.wsdl.OperationInfo;
 import com.coshaho.integration.wsdl.WsdlInfo;

 /**
  *
  * WSDLParseTest.java Create on 2016年7月20日 下午9:24:36
  *
  * 类功能说明: WSDL解析测试
  *
  * Copyright: Copyright(c) 2013
  * Company: COSHAHO
  * @Version 1.0
  * @Author 何科序
  */
 public class WSDLParseTest
 {
     public static void main(String[] args) throws Exception
     {
         String url = "http://webservice.webxml.com.cn/WebServices/ChinaOpenFundWS.asmx?wsdl";
         WsdlInfo wsdlInfo = new WsdlInfo(url);
         System.out.println("WSDL URL is " + wsdlInfo.getWsdlName());

         for(InterfaceInfo interfaceInfo : wsdlInfo.getInterfaces())
         {
             System.out.println("Interface name is " + interfaceInfo.getInterfaceName());
             for(String ads : interfaceInfo.getAdrress())
             {
                 System.out.println("Interface address is " + ads);
             }
             for(OperationInfo operation : interfaceInfo.getOperations())
             {
                 System.out.println("operation name is " + operation.getOperationName());
                 System.out.println("operation request is ");
                 System.out.println("operation request is " + operation.getRequestXml());
                 System.out.println("operation response is ");
                 System.out.println(operation.getResponseXml());
             }
         }
     }
 }

测试结果

 WSDL URL is http://webservice.webxml.com.cn/WebServices/ChinaOpenFundWS.asmx?wsdl
 Interface name is ChinaOpenFundWSSoap12
 Interface address is http://webservice.webxml.com.cn/WebServices/ChinaOpenFundWS.asmx
 operation name is getFundCodeNameDataSet
 operation request is
 operation request is <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/">
    <soap:Header/>
    <soap:Body>
       <web:getFundCodeNameDataSet/>
    </soap:Body>
 </soap:Envelope>
 operation response is
 <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">
    <soap:Header/>
    <soap:Body>
       <web:getFundCodeNameDataSetResponse>
          <!--Optional:-->
          <web:getFundCodeNameDataSetResult>
             <xs:schema>
                <!--Ignoring type [{http://www.w3.org/2001/XMLSchema}schema]-->
             </xs:schema>
             <!--You may enter ANY elements at this point-->
          </web:getFundCodeNameDataSetResult>
       </web:getFundCodeNameDataSetResponse>
    </soap:Body>
 </soap:Envelope>
 operation name is getFundCodeNameString
 operation request is
 operation request is <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/">
    <soap:Header/>
    <soap:Body>
       <web:getFundCodeNameString/>
    </soap:Body>
 </soap:Envelope>
 operation response is
 <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/">
    <soap:Header/>
    <soap:Body>
       <web:getFundCodeNameStringResponse>
          <!--Optional:-->
          <web:getFundCodeNameStringResult>
             <!--Zero or more repetitions:-->
             <web:string>?</web:string>
          </web:getFundCodeNameStringResult>
       </web:getFundCodeNameStringResponse>
    </soap:Body>
 </soap:Envelope>
 operation name is getOpenFundDataSet
 operation request is
 operation request is <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:web="http://WebXml.com.cn/">
    <soap:Header/>
    <soap:Body>
       <web:getOpenFundDataSet>
          <!--Optional:-->
          <web:userID>?</web:userID>
       </web:getOpenFundDataSet>
    </soap:Body>
 </soap:Envelope>
 operation response is
 <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">
    <soap:Header/>
    <soap:Body>
       <web:getOpenFundDataSetResponse>
          <!--Optional:-->
          <web:getOpenFundDataSetResult>
             <xs:schema>
                <!--Ignoring type [{http://www.w3.org/2001/XMLSchema}schema]-->
             </xs:schema>
             <!--You may enter ANY elements at this point-->
          </web:getOpenFundDataSetResult>
       </web:getOpenFundDataSetResponse>
    </soap:Body>
 </soap:Envelope>