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java.lang.IllegalArgumentException jsf 复合组件与 primefaces 数据表

[英]java.lang.IllegalArgumentException jsf composite component with primefaces dataTable

java.lang.IllegalArgumentException jsf 复合组件与 primefaces 数据表

tabela-padrao.xhtml

<html xmlns="http://www.w3.org/1999/xhtml"
  xmlns:cc="http://xmlns.jcp.org/jsf/composite"
  xmlns:c="http://java.sun.com/jsp/jstl/core"
  xmlns:p="http://primefaces.org/ui"
  xmlns:f="http://xmlns.jcp.org/jsf/core"
  xmlns:h="http://xmlns.jcp.org/jsf/html">

<!-- INTERFACE -->
<cc:interface>
    <cc:attribute name="uniqueId" required="true" />
    <cc:attribute name="value" required="true" />
    <cc:attribute name="var" required="true" />
    <cc:attribute name="selection" required="true" />
    <cc:attribute name="exportedFileName" required="true" />
    <cc:attribute name="renderedTable" default="true"/>
    <cc:attribute name="primaryKey" required="true"/>
    <cc:clientBehavior name="customRowSelectEvent" targets="#{cc.attrs.uniqueId}" event="rowSelect" />
    <cc:clientBehavior name="customRowUnselectEvent" targets="#{cc.attrs.uniqueId}" event="rowUnselect" />
</cc:interface>

<!-- IMPLEMENTATION -->
<cc:implementation>
    <p:dataTable value="#{cc.attrs.value}" 
                 id="#{cc.attrs.uniqueId}"
                 scrollable="true"
                 scrollWidth="100%"
                 var="#{cc.attrs.var}"
                 rendered="#{cc.attrs.renderedTable}"
                 selection="#{cc.attrs.selection}"
                 rowKey="#{cc.attrs.primaryKey}"                                             
                 selectionMode="single"
                 paginator="true"
                 rowsPerPageTemplate="15,30,45"
                 paginatorTemplate="{CurrentPageReport}  {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown} {Exporters}"
                 emptyMessage="#{bundle.tabela_nenhum_registro_encontrado}">
        <cc:insertChildren/>
        <f:facet name="{Exporters}">
            <h:commandLink style="padding: 5px 5px 5px 5px ;" title="Converter para Excel" >                                            
                <h:outputText  styleClass="fa fa-file-excel-o Fs20"/>
                <p:dataExporter type="xls" target="#{cc.attrs.uniqueId}" fileName="#{cc.attrs.exportedFileName}" />
            </h:commandLink>
            <h:commandLink style="padding: 5px 5px 5px 5px ;" title="Converter para PDF" >
                <h:outputText  styleClass="fa fa-file-pdf-o Fs20"/>
                <p:dataExporter type="pdf" target="#{cc.attrs.uniqueId}" fileName="#{cc.attrs.exportedFileName}"/>
            </h:commandLink>
        </f:facet>
    </p:dataTable> 
</cc:implementation>

使用组件

<h:form id="tabela-municipio">
<ezcomp:tabela-padrao value="#{municipioMB.listaMunicipios}"
                      uniqueId="id-tabela-municipio"
                      var="mun" 
                      primaryKey="#{mun.id}"
                      selection="#{municipioMB.municipio}"
                      exportedFileName="municipios">
    <p:ajax event="customRowSelectEvent" listener="#{municipioMB.onRowSelect}" update="@(form[id*='frm-municipio']),@(form[id*='tabela-municipio'])" />
    <p:ajax event="customRowUnselectEvent" listener="#{municipioMB.onRowUnselect}" update="@(form[id*='frm-municipio']),@(form[id*='tabela-municipio'])" />
    <p:column headerText="Pais" width="300" filterBy="#{mun.estado.pais.nome}" filterMatchMode="contains">
        <h:outputText value="#{mun.estado.pais.nome}"/>
    </p:column>
    <p:column headerText="Estado" width="300" filterBy="#{mun.estado.sigla} - #{mun.estado.nome}" filterMatchMode="contains">
        <h:outputText value="#{mun.estado.sigla} - #{mun.estado.nome}"/>
    </p:column>
    <p:column headerText="Município" filterBy="#{mun.nome}" filterMatchMode="contains">
        <h:outputText value="#{mun.nome}"/>
    </p:column>
</ezcomp:tabela-padrao>
</h:form>

我得到了这个例外

Advertência: StandardWrapperValve[Faces Servlet]: Servlet.service() for servlet Faces Servlet 在 com.sun.faces.facelets 的 javax.faces.component.UIData.setValueExpression(UIData.java:804) 处抛出异常 java.lang.IllegalArgumentException。 tag.jsf.ComponentRule$ValueExpressionMetadata.applyMetadata(ComponentRule.java:107) at com.sun.faces.facelets.tag.MetadataImpl.applyMetadata(MetadataImpl.java:81) at javax.faces.view.facelets.MetaTagHandler.setAttributes( MetaTagHandler.java:129) 在 javax.faces.view.facelets.DelegatingMetaTagHandler.setAttributes(DelegatingMetaTagHandler.java:102) 在 com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.doNewComponentActions(ComponentTagHandlerDelegateImpl.java:491) 在 com .sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:178) 在 javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:120) 在 com.sun.faces.facelets.tag .composite.ImplementationHandler.apply(实现 mentationHandler.java:81) 在 javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:95) 在 com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93) 在 com.sun .faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:87) 在 com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:312) 在 com.sun.faces.facelets.impl.DefaultFacelet .include(DefaultFacelet.java:371) 在 com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:326) 在 com.sun.faces.facelets.tag.jsf.CompositeComponentTagHandler.applyCompositeComponent(CompositeComponentTagHandler.java :387) 在 com.sun.faces.facelets.tag.jsf.CompositeComponentTagHandler.applyNextHandler(CompositeComponentTagHandler.java:188) 在 com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:202) 在javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:120) 在 j avax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:137) 在 com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:202) 在 javax.faces.view.facelets。 com.sun.faces.facelets.tag.ui.DefineHandler.applyDefinition(DefineHandler.java: 106) 在 com.sun.faces.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:206) 在 com.sun.faces.facelets.impl.DefaultFaceletContext$TemplateManager.apply(DefaultFaceletContext.java:395) 在 com .sun.faces.facelets.impl.DefaultFaceletContext.includeDefinition(DefaultFaceletContext.java:366) 在 com.sun.faces.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:111) 在 javax.faces.view.facelets .CompositeFaceletHandler.apply(CompositeFaceletHandler.java:95) 在 javax.faces.view.facelets.DelegatingMetaT agHandler.applyNextHandler(DelegatingMetaTagHandler.java:137) 在 com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:202) 在 javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java: 120) 在 javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:95) 在 com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93) 在 com.sun.faces.facelets .compiler.EncodingHandler.apply(EncodingHandler.java:87) 在 com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:312) 在 com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet .java:371) 在 com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:350) 在 com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:199) 在 com。 sun.faces.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:174) 在 com.sun.faces.facelets.compiler.NamespaceHan dler.apply(NamespaceHandler.java:93) 在 com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:87) 在 com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java: 161) 在 com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:99) 在 com.sun.faces.lifecycle 的 com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView(FaceletViewHandlingStrategy.java:1006) .Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:659) at org. apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) 在 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:344) 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain. java:214) 在 org.apache.catalina.core.ApplicationFilterChain.inter 的 org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:100) nalDoFilter(ApplicationFilterChain.java:256) 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) 在 org.glassfish.tyrus.servlet.TyrusServletFilter.doFilter(TyrusServletFilter.java:305) 在 org.apache .catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256) 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) 在 org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java :316) 在 org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734) 在 org.apache.catalina.core 的 org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)。 StandardPipeline.invoke(StandardPipeline.java:673) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174) at org .apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416) 在 org.apache.cata lina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283) 在 com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459) 在 com.sun.enterprise.v3.services。 impl.ContainerMapper.service(ContainerMapper.java:167) 在 org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206) 在 org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler. java:180) at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235) at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119) at org.glassfish。 grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283) at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200) at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java: 132) 在 org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111) 在 org.glass fish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77) 在 org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536) 在 org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy. java:112) 在 org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117) 在 org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56) 在 org.glassfish.grizzly。 strategy.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137) at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591) at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run( AbstractThreadPool.java:571) 在 java.lang.Thread.run(Thread.java:745)

我究竟做错了什么?

javax.faces.component.UIData:

public void setValueExpression(String name, ValueExpression binding) {

    if ("value".equals(name)) {
        this.model = null;
    } else if ("var".equals(name) || "rowIndex".equals(name)) {
        throw new IllegalArgumentException();
    }
    super.setValueExpression(name, binding);

}

var 不能是 ValueExpression。 我建议直接在组件中硬编码一些静态 var 值。 组件的用户在定义列时只需要引用这个硬编码值。 但是,如果您想嵌套组件,这将是一个问题。

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