WebServiceServletEndpointSupport
发布时间：2020-12-17 01:01:24 所属栏目：安全 来源：网络整理
导读：Spring对WebService的支持? Spring使用ServletEndpointSupport来暴露WebService。假设有如下接口：? //业务接口? public interface Hello? {? ??? public String hello(String name);? }? 以及如下的实现类：? //实现类，实现上面的业务接口? public class?
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Spring对WebService的支持?
Spring使用ServletEndpointSupport来暴露WebService。假设有如下接口：? //业务接口? public interface Hello? {? ??? public String hello(String name);? }? 以及如下的实现类：? //实现类，实现上面的业务接口? public class? HelloImpl implements Hello? {? ???????? //实现业务接口必须实现的方法? ??? public String hello(String name)? ??? {? ?????????? return name + "你好，欢迎学习Spring和Axis";? ??? }? }? 上面是非常简单的面向接口编程的应用结构，一个接口以及对应的实现类。如果需要将该实现类暴露成WebService，则编写一个WebService类，让该类实现Hello接口，并继承ServletEndpointSupport类。该类的源代码如下：? //实现Hello接口，继承ServletEndpointSupport工具类? public class HelloEndpoint extends ServletEndpointSupport implements Hello? {? ???????? //将真实的业务bean包装成WebService? ??? private Hello h;? ???????? //该方法由Spring调用，将目标业务bean注入。? ????? protected void onInit()? ??? {? ?????????? this.h = (Hello) getWebApplicationContext().getBean("hello");? ??? }? ???????? //将业务bean的业务方法暴露成WebService? ??? public String hello(String name)? ???? {? ?????????? return h.hello(name);? ??? }? }? 然后提供Spring的配置文件，配置文件中部署业务bean，配置文件如下：? <?xml version="1.0" encoding="UTF-8"?>? <!--? Spring 配置文件的文件头，包含DTD等信息-->? <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"? ??? "http://www.springframework.org/dtd/spring-beans.dtd">? <!--? Spring配置文件的根元素-->? <beans>? ???????? <!--? 配置Spring的业务bean-->? ??? <bean id="hello" class="lee.HelloImpl"/>? </beans>? 然后修改web.xml文件，让AxisServlet拦截某些请求，这是Axis必需的。web.xml的详细配置如下：? <?xml version="1.0" encoding="ISO-8859-1"?>? <!--? Web应用配置文件的文件头,包含dtd等信息-->? <!DOCTYPE web-app PUBLIC "-//Sun Microsystems,Inc.//DTD WebApplication 2.3//EN"? "http://java.sun.com/dtd/web-app_2_3.dtd">? <!--? Web应用配置文件的根元素-->? <web-app>? ???????? <!--? 用于初始化ApplicationContext的listener-->? ???????? <listener>? ?????????????????? <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>? ???????? </listener>? ????? <!--? 定义AxisServlet-->? ??? <servlet>? ?????????? <servlet-name>AxisServlet</servlet-name>? ?????????? <servlet-class>org.apache.axis.transport.http.AxisServlet</servlet-class>? ??? </servlet>? ???????? <!--? 映射AxisServlet,使用通配符-->? ???????? <servlet-mapping>? ?????????????????? <servlet-name>AxisServlet</servlet-name>? ?????????????????? <url-pattern>/axis/*</url-pattern>? ???????? </servlet-mapping>? </web-app>? 配置文件中，看到所有匹配/axis/*模式的请求都由AxisServlet处理。即：Spring发布的WebService都在axis下。然后编写wsdl文件，或者使用工具生成。wsdl文件如下：? <?xml version="1.0" encoding="UTF-8"?>? <!--? wsdl的根元素，包含schema等信息-->? <deployment xmlns="http://xml.apache.org/axis/wsdd/"? xmlns:java="http://xml.apache.org/axis/wsdd/providers/java">? <!--? wsdl的全局配置-->? ???????? <globalConfiguration>? ?????????????????? <parameter name="adminPassword" value="admin"/>? ?????????????????? <parameter name="sendXsiTypes" value="true"/>? ?????????????????? <parameter name="sendMultiRefs" value="true"/>? ?????????????????? <parameter name="sendXMLDeclaration" value="true"/>? ?????????????????? <parameter name="axis.sendMinimizedElements" value="true"/>? ?????????????????? <requestFlow>? ??????????????????????????? <handler type="java:org.apache.axis.handlers.JWSHandler">? ???????????????????????????????????? <parameter name="scope" value="session"/>? ??????????????????????????? </handler>? ??????????????????????????? <handler type="java:org.apache.axis.handlers.JWSHandler">? ???????????????????????????????????? <parameter name="scope" value="request"/>? ???????????????????????????????????? <parameter name="extension" value=".jwr"/>? ??????????????????????????? </handler>? ?????????????????? </requestFlow>? ???????? </globalConfiguration>? ???????? <handler name="Authenticate" type="java:org.apache.axis.handlers.SimpleAuthenticationHandler"/>? ???????? <handler name="LocalResponder" type="java:org.apache.axis.transport.local.LocalResponder"/>? ???????? <handler name="URLMapper" type="java:org.apache.axis.handlers.http.URLMapper"/>? ???????? <!--? 定义WebService的管理台-->? ???????? <service name="AdminService" provider="java:MSG">? ?????????????????? <parameter name="allowedMethods" value="AdminService"/>? ?????????????????? <parameter name="enableRemoteAdmin" value="false"/>? ?????????????????? <parameter name="className" value="org.apache.axis.utils.Admin"/>? ?????????????????? <namespace>http://xml.apache.org/axis/wsdd/</namespace>? ???????? </service>? ???????? <!--? 定义自己的WebService-->? ???????? <service name="HelloService" provider="java:RPC">? ?????????????????? <parameter name="allowedMethods" value="*"/>? ?????????????????? <!--? 定义WebService的实现类-->? ?????????????????? <parameter name="className" value="lee.HelloEndpoint"/>? ???????? </service>? ???????? <!--? 定义WebSerivice的系统服务。-->? ???????? <service name="Version" provider="java:RPC">? ?????????????????? <parameter name="allowedMethods" value="getVersion"/>? ?????????????????? <parameter name="className" value="org.apache.axis.Version"/>? ???????? </service>? ???????? <transport name="http">? ?????????????????? <requestFlow>? ??????????????????????????? <handler type="URLMapper"/>? ??????????????????????????? <handler type="java:org.apache.axis.handlers.http.HTTPAuthHandler"/>? ?????????????????? </requestFlow>? ???????? </transport>? ???????? <transport name="local">? ?????????????????? <responseFlow>? ??????????????????????????? <handler type="LocalResponder"/>? ?????????????????? </responseFlow>? ???????? </transport>? </deployment>? 经过这些步骤，可将部署在Spring的普通bean发布成WebService。? （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
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