webservice -- cxf客户端调用axis2服务端
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背景:
有个项目, 需要由第三方提供用户信息, 实现用户同步操作, 对方给提供webservice接口(axis2实现)并也使用axis2作主客户端调用我方提供的webservice接口
起初, 由于项目使用了spring, 且spring可与cxf较好的集成, 所以也就选用了cxf,
可问题随之出现, 接口可以调用到, 接口的具体方法也可以调用到,
但是,
1. cxf作为客户端, 获取服务端返回值时均为null.
2. cxf作为服务端, 获取axis2客户端传来的参数时, 也均为null.
针对上述问题, 做了大量调试模拟, 如有不妥之处, 敬请指正.
一. axis2服务器搭建
简单起见, axis2r搭建采用较为简单的一种方式, 即将服务类和services.xml打成.aar包发布.
1. 下载部署axis2
http://axis.apache.org/axis2/java/core/
这里选择下载的1.7.0版本, axis2-1.7.0-war.zip
2. 将zip文件中的axis2.war包解压到tomcat的webapps目录中, 启动tomcat,
完成axis2的安装部署, 如下图:
3. 访问 http://localhost/axis2 显示如下页面, 表示axis2部署成功
4. 访问 http://localhost/axis2/services/listServices , 可查看此axis2所发布的webservice服务, 如下图:
其中, Version为axis2默认发布的服务, getVersion是此服务的方法
二. 编写发布webserivce接口
1. 新建java项目myAxis2
2. 创建服务类HelloShooter.java
1 package com.shooter.webservice; 2 3 public class HelloShooter { 4 5 public void getShooterId(String shooterId) { 6 System.out.println("狙击手编号: " + shooterId); 7 } 8 9 public String shoot(int num) { 10 return "本次出击共狙击 " + num + " 名敌军"; 11 } 12 13 public String undershoot() { 14 return "脱靶, 很遗憾!"; 15 } 16 17 }
3. 新建META-INF目录, 并创建services.xml文件
services.xml源码如下:
1 <serviceGroup> 2 <!-- 第一个webservice服务 --> 3 <service name="HelloShooter" targetNamespace="http://sharp-shooter"> 4 <!-- 命名空间 --> 5 <schema schemaNamespace="http://sharp-shooter" /> 6 <!-- 发布的服务类全路径 --> 7 <parameter name="ServiceClass">com.shooter.webservice.HelloShooter 8 </parameter> 9 <!-- 对每个方法配置处理器 --> 10 <operation name="getShooterId"> 11 <messageReceiver class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver" /> 12 </operation> 13 <operation name="shoot"> 14 <messageReceiver class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" /> 15 </operation> 16 <operation name="undershoot"> 17 <messageReceiver class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" /> 18 </operation> 19 </service> 20 </serviceGroup>
另一种services.xml编写方式, 配置全局处理器, 但此种方法我没有成功过, 如哪位测试成功了, 交流一下
1 <serviceGroup> 2 <!-- 第一个webservice服务 --> 3 <service name="HelloShooter" targetNamespace="http://sharp-shooter.com"> 4 <!-- 命名空间 --> 5 <schema schemaNamespace="http://sharp-shooter.com" /> 6 <!-- 发布的服务类全路径 --> 7 <parameter name="ServiceClass">com.shooter.webservice.HelloShooter</parameter> 8 <messageReceivers> 9 <!--有返回值的处理器--> 10 <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out" 11 class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" /> 12 <!--无返回值的处理器--> 13 <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only" 14 class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver" /> 15 </messageReceivers> 16 </service> 17 </serviceGroup>
其中,
1) service元素的name属性为服务名称, 如果没有设置此属性, 那么服务名称为发布包名, 如发布包为shooter.aar, 则服务名为shooter
2) schema配置的为命名空间, 并在service元素中配置同样的命名空间
3) parameter name="ServicesClass"配置的为服务类的全路径
4) 处理器, 第一种方式为全局处理器, 第二各方式为为某个方法配置所需要的处理器
4. 创建.aar包
1) 使用myeclipse的导出功能, 导出编写的服务类和services.xml文件为jar包, 如图:
可去除不必要的文件.
2) 修改包扩展名为.aar
3) 将.aar包拷贝到...\apache-tomcat-6.0.35-80\webapps\axis2\WEB-INF\services目录中(自动部署), 完成服务端发布
4) 访问 http://localhost/axis2/services/listServices , 服务页面显示HelloShooter服务, 则发布成功
三. CXF客户端
1. 新建项目, 引入所需CXF的maven依赖(此处有坑, 后文解释)
1 <dependency> 2 <groupId>org.apache.cxf</groupId> 3 <artifactId>cxf-rt-frontend-jaxws</artifactId> 4 <version>2.2.9</version> 5 </dependency> 6 <dependency> 7 <groupId>org.apache.cxf</groupId> 8 <artifactId>cxf-rt-core</artifactId> 9 <version>2.2.9</version> 10 </dependency> 11 <dependency> 12 <groupId>org.apache.cxf</groupId> 13 <artifactId>cxf-rt-transports-http</artifactId> 14 <version>2.2.9</version> 15 </dependency>
2. 获取HelloShooter的接口信息
访问 http://localhost/axis2/services/HelloShooter?wsdl, 获取如下信息:
1 <wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" 2 xmlns:ns1="http://org.apache.axis2/xsd" xmlns:ns="http://sharp-shooter" 3 xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" 4 xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" 5 xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" 6 targetNamespace="http://sharp-shooter"> 7 <wsdl:documentation>HelloShooter</wsdl:documentation> 8 <wsdl:types> 9 <xs:schema attributeFormDefault="qualified" elementFormDefault="qualified" targetNamespace="http://sharp-shooter"> 10 <xs:element name="undershoot"> 11 <xs:complexType> 12 <xs:sequence /> 13 </xs:complexType> 14 </xs:element> 15 <xs:element name="undershootResponse"> 16 <xs:complexType> 17 <xs:sequence> 18 <xs:element minOccurs="0" name="return" nillable="true" type="xs:string" /> 19 </xs:sequence> 20 </xs:complexType> 21 </xs:element> 22 <xs:element name="shoot"> 23 <xs:complexType> 24 <xs:sequence> 25 <xs:element name="num" type="xs:int" /> 26 </xs:sequence> 27 </xs:complexType> 28 </xs:element> 29 <xs:element name="shootResponse"> 30 <xs:complexType> 31 <xs:sequence> 32 <xs:element minOccurs="0" name="return" nillable="true" type="xs:string" /> 33 </xs:sequence> 34 </xs:complexType> 35 </xs:element> 36 <xs:element name="getShooterId"> 37 <xs:complexType> 38 <xs:sequence> 39 <xs:element minOccurs="0" name="shooterId" nillable="true" type="xs:string" /> 40 </xs:sequence> 41 </xs:complexType> 42 </xs:element> 43 </xs:schema> 44 </wsdl:types> 45 <wsdl:message name="undershootRequest"> 46 <wsdl:part name="parameters" element="ns:undershoot" /> 47 </wsdl:message> 48 <wsdl:message name="undershootResponse"> 49 <wsdl:part name="parameters" element="ns:undershootResponse" /> 50 </wsdl:message> 51 <wsdl:message name="shootRequest"> 52 <wsdl:part name="parameters" element="ns:shoot" /> 53 </wsdl:message> 54 <wsdl:message name="shootResponse"> 55 <wsdl:part name="parameters" element="ns:shootResponse" /> 56 </wsdl:message> 57 <wsdl:message name="getShooterIdRequest"> 58 <wsdl:part name="parameters" element="ns:getShooterId" /> 59 </wsdl:message> 60 <wsdl:message name="getShooterIdResponse" /> 61 <wsdl:portType name="HelloShooterPortType"> 62 <wsdl:operation name="undershoot"> 63 <wsdl:input message="ns:undershootRequest" wsaw:Action="urn:undershoot" /> 64 <wsdl:output message="ns:undershootResponse" wsaw:Action="urn:undershootResponse" /> 65 </wsdl:operation> 66 <wsdl:operation name="shoot"> 67 <wsdl:input message="ns:shootRequest" wsaw:Action="urn:shoot" /> 68 <wsdl:output message="ns:shootResponse" wsaw:Action="urn:shootResponse" /> 69 </wsdl:operation> 70 <wsdl:operation name="getShooterId"> 71 <wsdl:input message="ns:getShooterIdRequest" wsaw:Action="urn:getShooterId" /> 72 <wsdl:output message="ns:getShooterIdResponse" wsaw:Action="urn:getShooterIdResponse" /> 73 </wsdl:operation> 74 </wsdl:portType> 75 <wsdl:binding name="HelloShooterSoap11Binding" type="ns:HelloShooterPortType"> 76 <soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document" /> 77 <wsdl:operation name="undershoot"> 78 <soap:operation soapAction="urn:undershoot" style="document" /> 79 <wsdl:input> 80 <soap:body use="literal" /> 81 </wsdl:input> 82 <wsdl:output> 83 <soap:body use="literal" /> 84 </wsdl:output> 85 </wsdl:operation> 86 <wsdl:operation name="shoot"> 87 <soap:operation soapAction="urn:shoot" style="document" /> 88 <wsdl:input> 89 <soap:body use="literal" /> 90 </wsdl:input> 91 <wsdl:output> 92 <soap:body use="literal" /> 93 </wsdl:output> 94 </wsdl:operation> 95 <wsdl:operation name="getShooterId"> 96 <soap:operation soapAction="urn:getShooterId" style="document" /> 97 <wsdl:input> 98 <soap:body use="literal" /> 99 </wsdl:input> 100 <wsdl:output> 101 <soap:body use="literal" /> 102 </wsdl:output> 103 </wsdl:operation> 104 </wsdl:binding> 105 <wsdl:binding name="HelloShooterSoap12Binding" type="ns:HelloShooterPortType"> 106 <soap12:binding transport="http://schemas.xmlsoap.org/soap/http" style="document" /> 107 <wsdl:operation name="undershoot"> 108 <soap12:operation soapAction="urn:undershoot" style="document" /> 109 <wsdl:input> 110 <soap12:body use="literal" /> 111 </wsdl:input> 112 <wsdl:output> 113 <soap12:body use="literal" /> 114 </wsdl:output> 115 </wsdl:operation> 116 <wsdl:operation name="shoot"> 117 <soap12:operation soapAction="urn:shoot" style="document" /> 118 <wsdl:input> 119 <soap12:body use="literal" /> 120 </wsdl:input> 121 <wsdl:output> 122 <soap12:body use="literal" /> 123 </wsdl:output> 124 </wsdl:operation> 125 <wsdl:operation name="getShooterId"> 126 <soap12:operation soapAction="urn:getShooterId" style="document" /> 127 <wsdl:input> 128 <soap12:body use="literal" /> 129 </wsdl:input> 130 <wsdl:output> 131 <soap12:body use="literal" /> 132 </wsdl:output> 133 </wsdl:operation> 134 </wsdl:binding> 135 <wsdl:binding name="HelloShooterHttpBinding" type="ns:HelloShooterPortType"> 136 <http:binding verb="POST" /> 137 <wsdl:operation name="undershoot"> 138 <http:operation location="undershoot" /> 139 <wsdl:input> 140 <mime:content type="application/xml" part="parameters" /> 141 </wsdl:input> 142 <wsdl:output> 143 <mime:content type="application/xml" part="parameters" /> 144 </wsdl:output> 145 </wsdl:operation> 146 <wsdl:operation name="shoot"> 147 <http:operation location="shoot" /> 148 <wsdl:input> 149 <mime:content type="application/xml" part="parameters" /> 150 </wsdl:input> 151 <wsdl:output> 152 <mime:content type="application/xml" part="parameters" /> 153 </wsdl:output> 154 </wsdl:operation> 155 <wsdl:operation name="getShooterId"> 156 <http:operation location="getShooterId" /> 157 <wsdl:input> 158 <mime:content type="application/xml" part="parameters" /> 159 </wsdl:input> 160 <wsdl:output> 161 <mime:content type="application/xml" part="parameters" /> 162 </wsdl:output> 163 </wsdl:operation> 164 </wsdl:binding> 165 <wsdl:service name="HelloShooter"> 166 <wsdl:port name="HelloShooterHttpSoap11Endpoint" binding="ns:HelloShooterSoap11Binding"> 167 <soap:address location="http://localhost/axis2/services/HelloShooter.HelloShooterHttpSoap11Endpoint/" /> 168 </wsdl:port> 169 <wsdl:port name="HelloShooterHttpSoap12Endpoint" binding="ns:HelloShooterSoap12Binding"> 170 <soap12:address location="http://localhost/axis2/services/HelloShooter.HelloShooterHttpSoap12Endpoint/" /> 171 </wsdl:port> 172 <wsdl:port name="HelloShooterHttpEndpoint" binding="ns:HelloShooterHttpBinding"> 173 <http:address location="http://localhost/axis2/services/HelloShooter.HelloShooterHttpEndpoint/" /> 174 </wsdl:port> 175 </wsdl:service> 176 </wsdl:definitions>
3. 根据接口信息, 创建客户端接口
1 package com.shooter.cxf.client; 2 3 import javax.jws.WebMethod; 4 import javax.jws.WebParam; 5 import javax.jws.WebResult; 6 import javax.jws.WebService; 7 8
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