methodexpression

Evaluating if MethodExpression attribute is set (getting PropertyNotFoundException)

由 元气小坏坏 提交于 2019-12-01 04:41:48
I have a UI component with a MethodExpression attribute changeListener : <composite:interface> <composite:attribute name="changeListener" required="false" method-signature="void actionListener(javax.faces.event.ActionEvent)" /> .. </composite:interface> <composite:implementation> <p:remoteCommand name="ajaxOnChange" update="#{cc.attrs.onChangeUpdate}" oncomplete="#{cc.attrs.onchange}" actionListener="#{cc.attrs.changeListener}" /> .. </composite:implementation> This changeListener attribute is an optional method expression used as actionListener in the remoteCommand and I want to render the <p

org.apache.el.parser.ParseException: Encountered “(” at line X, column Y. Was expecting one of […]

由 非 Y 不嫁゛ 提交于 2019-11-29 11:43:53
The below JSF snippet: <p:dataTable value="#{userbean.getAll()}" var="user"> Throws this exception: Encountered "(" at line 1, column 18. Was expecting one of: "}" ... "." ... "[" ... ">" ... "gt" ... "<" ... "lt" ... ">=" ... "ge" ... "<=" ... "le" ... "==" ... "eq" ... "!=" ... "ne" ... "&&" ... "and" ... "||" ... "or" ... "*" ... "+" ... "-" ... "/" ... "div" ... "%" ... "mod" ... org.apache.el.parser.ParseException: Encountered "(" at line 1, column 18. Was expecting one of: "}" ... "." ... "[" ... ">" ... "gt" ... "<" ... "lt" ... ">=" ... "ge" ... "<=" ... "le" ... "==" ... "eq" ... "!="

org.apache.el.parser.ParseException: Encountered “(” at line X, column Y. Was expecting one of […]

由 不羁岁月 提交于 2019-11-28 05:11:23
问题 The below JSF snippet: <p:dataTable value="#{userbean.getAll()}" var="user"> Throws this exception: Encountered "(" at line 1, column 18. Was expecting one of: "}" ... "." ... "[" ... ">" ... "gt" ... "<" ... "lt" ... ">=" ... "ge" ... "<=" ... "le" ... "==" ... "eq" ... "!=" ... "ne" ... "&&" ... "and" ... "||" ... "or" ... "*" ... "+" ... "-" ... "/" ... "div" ... "%" ... "mod" ... org.apache.el.parser.ParseException: Encountered "(" at line 1, column 18. Was expecting one of: "}" ... "." .

p:commandButton action throws javax.el.PropertyNotFoundException

由 点点圈 提交于 2019-11-28 02:12:12
The error is in: javax.el.PropertyNotFoundException: /index.xhtml: Property 'validar' not found on type fya.beanpages.IndexBean Its looks like it doesnt find the validar method. And it thinks it is an attribute. This is the xhtml: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:p="http://primefaces.org/ui"> <h:head> <title>FYA WEB</title> </h:head> <h

Passing EL method expression as attribute of custom Facelets tagfile

由 …衆ロ難τιáo~ 提交于 2019-11-27 07:19:01
问题 I created a custom JSF tag: <ui:composition> <h:panelGroup> <rich:dataScroller id="#{id}" for="#{table}" execute="#{table}" page="#{scrollerPage}" render="#{table}-sc1" maxPages="5" fastControls="hide" oncomplete="#{onCompl}" scrollListener="#{scrollListenerBean[scrollListenerMethod]}" /> <h:inputText value="#{scrollerPage}" id="#{table}-sc1" size="2"> <f:convertNumber integerOnly="true" /> </h:inputText> <h:outputText styleClass="outputText" value=" of #{scrollPagesCount} " /> <h

How to call parameterized method from JSP using JSTL/EL

由 穿精又带淫゛_ 提交于 2019-11-26 11:51:19
How to call a Java method with arguments which is defined in Java class, from JSP using JSTL/EL. The method is returning arrays. Any return value can be used. You can only invoke methods with arguments in EL if you're targeting and running a Servlet 3.0 compatible container (e.g. Tomcat 7, Glassfish 3, JBoss AS 6, etc) with a web.xml declared conform Servlet 3.0. This servlet version comes along with EL 2.2 which allows invoking arbitrary instance methods with arguments. Assuming that you've a ${bean} in the scope which refers to an instance of a class which has a method something like public
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