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使用AXIS調用WSDL描述的Web服務

首先說一下使用AXIS調用WSDL文件時需要的JAR包：
（1）axis    其中包括axis.jar、axis-ant.jar、commons-discovery-0.2.jar、commons-logging-1.0.4.jar、jaxrpc.jar、log4j-1.2.8.jar、log4j.properties、saaj.jar、wsdl4j-1.5.1.jar。http://www.apache.org/dyn/closer.cgi/ws/axis/
（2）javamail    mail.jar。http://java.sun.com/products/javamail/
（3）jaf    activation.jar。http://java.sun.com/javase/technologies/desktop/javabeans/jaf/downloads/index.html
一、WSDL文件內容
該實例采用的WSDL文件是使用AXIS創(chuàng)建的Web服務，功能是輸入字符串，返回歡迎語句。對于遠程（其他服務器）的Web服務的調用一直不成功，原本想調用下DictionaryService.wsdl，可是運行時總是返回“ faultString: org.xml.sax.SAXException: Bad envelope tag: definitions”錯誤，實在無奈、、、Hello.jws的內容如下：

<?xml version="1.0" encoding="UTF-8" ?>

<wsdl:definitions targetNamespace="http://localhost:8080/axis/Hello.jws" xmlns:apachesoap="http://xml.apache.org/xml-soap" xmlns:impl="http://localhost:8080/axis/Hello.jws" xmlns:intf="http://localhost:8080/axis/Hello.jws" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">

<!-

WSDL created by Apache Axis version: 1.4

Built on Apr 22, 2006 (06:55:48 PDT)

-->

<wsdl:message name="helloResponse">

<wsdl:part name="helloReturn" type="xsd:string" />

</wsdl:message>

<wsdl:message name="helloRequest">

<wsdl:part name="name" type="xsd:string" />

</wsdl:message>

<wsdl:portType name="Hello">

<wsdl:operation name="hello" parameterOrder="name">

<wsdl:input message="impl:helloRequest" name="helloRequest" />

<wsdl:output message="impl:helloResponse" name="helloResponse" />

</wsdl:operation>

</wsdl:portType>

<wsdl:binding name="HelloSoapBinding" type="impl:Hello">

<wsdlsoap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http" />

<wsdl:operation name="hello">

<wsdlsoap:operation soapAction="" />

<wsdl:input name="helloRequest">

<wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://DefaultNamespace" use="encoded" />

</wsdl:input>

<wsdl:output name="helloResponse">

<wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://localhost:8080/axis/Hello.jws" use="encoded" />

</wsdl:output>

</wsdl:operation>

</wsdl:binding>

<wsdl:service name="HelloService">

<wsdl:port binding="impl:HelloSoapBinding" name="Hello">

<wsdlsoap:address location="http://localhost:8080/axis/Hello.jws" />

</wsdl:port>

</wsdl:service>

</wsdl:definitions>

二、調用Web服務
據(jù)說有三種方法，參見：http://blog.csdn.net/boy_wh520/archive/2007/05/09/1601756.aspx
http://www.ibm.com/developerworks/cn/webservices/ws-startaxis/index.html
這里只介紹一下第一種方法，代碼如下：

package wsdl;

import org.apache.axis.client.Call;

import org.apache.axis.client.Service;

public class CallService {

public static void main(String[] args) {

try {

String endpoint = "http://localhost:8080/axis/Hello.jws";

//調用過程

Service service = new Service();

Call call = (Call) service.createCall();

call.setTargetEndpointAddress(new java.net.URL(endpoint));

call.setOperationName("hello");//WSDL里面描述的操作名稱

call.addParameter("helloRequest", org.apache.axis.encoding.XMLType.XSD_STRING, javax.xml.rpc.ParameterMode.IN);//操作的參數(shù)

call.setReturnType(org.apache.axis.encoding.XMLType.XSD_STRING);//設置返回類型

call.setUseSOAPAction( true );

//給方法傳遞參數(shù)，并且調用方法

String temp = "Tom";

Object[] obj = new Object[]{temp};

String result = (String)call.invoke(obj);

System.out.println("Result is : "+result);

} catch (Exception e) {

e.printStackTrace();

}

posted on 2008-08-04 21:48 胖胖泡泡閱讀(9694) 評論(3) 編輯收藏

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