jsf 2 - why action in doesn't work inside a composite component -

jsf 2 - why action in <h:commandLink> doesn't work inside a composite component -

i have simple jsf 2/facelets page looks this:

<ui:repeat value="#{mybean.names}" var="_name"> <h:commandlink value="#{_name}" action="#{mybean.sayhello(_name)}"> <f:ajax execute="@this"/> </h:commandlink> <br/> </ui:repeat>

the backing bean provides java.util.list<string> names , action-method prints "hello <name>" message standard output.

this works fine. list of names in browser , click fires action-method says hello specified name.

the problem arises, when want set code in composite component iteration , renders actual link via facet:

<ui:component xmlns="http://www.w3.org/1999/xhtml" xmlns:f="http://xmlns.jcp.org/jsf/core" xmlns:ui="http://xmlns.jcp.org/jsf/facelets" xmlns:cc="http://xmlns.jcp.org/jsf/composite"> <cc:interface> <cc:attribute name="value" type="java.util.list" required="true" /> <cc:facet name="content" /> </cc:interface> <cc:implementation> <ui:repeat value="#{cc.attrs.value}" var="_name"> <cc:renderfacet name="content"/> </ui:repeat> </cc:implementation> </ui:component>

i utilize composite component this:

<my:mycomp value="#{bean.names}"> <f:facet name="content"> <h:commandlink value="#{_name}" action="#{bean.sayhello(_name)}"> <f:ajax execute="@this"/> </h:commandlink> <br/> </f:facet> </my:mycomp>

in browser list of names looks before. clicking link renders "hello null" message. _name resolved correctly in value attribute of <h:commandlink> not in action attribute.

i tried using actionlistener instead of action or listener attribute <f:ajax> tag no difference.

could shade lite on issue?

my environment:

wildfly 8.1 with jsf 2.2.6 (mojarra)

the issue has scope of variable in case _name evaluated 1 time when <ui:repeat/> beingness processed. in case, ran code , produced hello john though other names in list. around this, introduced <f:param/> contain value of _name, , modified code follows:

<h:form> <my:mycomp value="#{bean.names}"> <f:facet name="content"> <h:commandlink value="#{_name}" action="#{bean.sayhello()}"> <f:param name="name_" value="#{_name}"/> <f:ajax execute="@this"/> </h:commandlink> <br/> </f:facet> </my:mycomp> </h:form>

i modified sayhello() method follows @requestscoped bean:

@managedproperty(value = "#{facescontext}") private facescontext facescontext; public void setfacescontext(facescontext facescontext) { this.facescontext = facescontext; } public void sayhello() { map<string, string> params = facescontext.getexternalcontext() .getrequestparametermap(); string name = params.get("name_"); system.out.println("hello " + name); }

you alter shorter in @viewscoped bean to:

public void sayhello() { map<string, string> params = facescontext.getcurrentinstance() .getexternalcontext().getrequestparametermap(); string name = params.get("name_"); system.out.println("hello " + name); }

the final result prints out names correctly.

jsf-2 composite-component