Java 是否替换为@XmlRootElement?
在将现有的statefull服务公开为RESTfull服务的过程中 我不想对任何现有的java类进行任何更改。我已经能够使用Java 是否替换为@XmlRootElement?,java,rest,cxf,Java,Rest,Cxf,在将现有的statefull服务公开为RESTfull服务的过程中 我不想对任何现有的java类进行任何更改。我已经能够使用spring config.xml spring config.xml <!-- Inquiry Services --> <bean id="retrieveContactHistoryBP" class="com.csc.fs.ws.contact.history.impl.RetrieveContactHistoryBPService"/&g
spring config.xml
spring config.xml
<!-- Inquiry Services -->
<bean id="retrieveContactHistoryBP" class="com.csc.fs.ws.contact.history.impl.RetrieveContactHistoryBPService"/>
<!-- Update Services -->
<bean id="startContactBP" class="com.csc.fs.ws.contact.impl.StartContactBPService"/>
<!-- REST services -->
<bean id="startContactBPRest" class="com.csc.fs.rest.contact.StartContactBP" scope="prototype" />
<bean id="retrieveContactHistoryBPRest" class="com.csc.fs.rest.contact.RetrieveContactHistoryBP" scope="prototype" />
<!-- Exposing beans as rest services -->
<jaxrs:server id="restServer" address="/rest/">
<jaxrs:model id="restModel">
<jaxrs:resource name="com.csc.fs.rest.contact.RetrieveContactHistoryBP" path="retrieveContactHistoryBP">
<jaxrs:operation name="retrieve" path="{partyId}" consumes="application/json" produces="application/json" verb="GET">
<jaxrs:param name="req" type="CONTEXT"/>
<jaxrs:param name="partyId" type="PATH"/>
</jaxrs:operation>
</jaxrs:resource>
<jaxrs:resource name="com.csc.fs.rest.contact.StartContactBP" path="startContactBP">
<jaxrs:operation name="startContact" path="/" consumes="application/json" produces="application/json" verb="PUT">
<jaxrs:param name="req" type="CONTEXT"/>
<jaxrs:param name="startContact" type="REQUEST_BODY"/>
</jaxrs:operation>
</jaxrs:resource>
</jaxrs:model>
<jaxrs:serviceBeans>
<!-- <ref bean="startContactBPRest"/> --> <!-- Instead configure above -->
<!-- <ref bean="retrieveContactHistoryBPRest"/> -->
</jaxrs:serviceBeans>
<jaxrs:extensionMappings>
<entry key="feed" value="application/atom+xml"/>
<entry key="json" value="application/json"/>
<entry key="xml" value="application/xml"/>
<entry key="html" value="text/html"/>
</jaxrs:extensionMappings>
<jaxrs:providers>
<ref bean="jaxbProvider"/>
<ref bean="jsonProvider" />
</jaxrs:providers>
</jaxrs:server>
那么,有没有办法在外部配置XmlRoot注释中的信息,这样我们就不必将其添加到Java代码中 来自以下内容的Apache cxf文档: 除了使用@XmlRootElement和集合包装器之外,还可以 提供一个对象工厂,它将告诉JAXB如何封送给定的 类型(对于集合-其模板类型)。另一个选择是 直接从给定方法返回/接受JAXBElement 另一个选项是注册一个或多个JAX-RS ContextResolver提供程序 能够为多种不同类型创建JAXBContext。这个 默认的JAXBElementProvider将首先检查这些解析器 正在尝试自行创建JAXBContext URL已断开,请立即使用:
org.apache.cxf.interceptor.Fault
org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:67)
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:315)
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:113)
org.apache.cxf.transport.servlet.ServletDestination.invoke(ServletDestination.java:105)
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:461)
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:188)
org.apache.cxf.transport.servlet.AbstractCXFServlet.invoke(AbstractCXFServlet.java:148)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:179)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:108)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:159)
root cause
java.lang.NullPointerException
org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleOperation(WadlGenerator.java:310)
org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleResource(WadlGenerator.java:253)
org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleRequest(WadlGenerator.java:185)
org.apache.cxf.jaxrs.impl.RequestPreprocessor.checkMetadataRequest(RequestPreprocessor.java:189)
org.apache.cxf.jaxrs.impl.RequestPreprocessor.preprocess(RequestPreprocessor.java:82)
org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.processRequest(JAXRSInInterceptor.java:112)
org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.handleMessage(JAXRSInInterceptor.java:88)
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:255)
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:113)
org.apache.cxf.transport.servlet.ServletDestination.invoke(ServletDestination.java:105)
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:461)
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:188)
org.apache.cxf.transport.servlet.AbstractCXFServlet.invoke(AbstractCXFServlet.java:148)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:179)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:108)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:159)