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https://issues.apache.org/jira/browse/TILES-580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Nicolas Le Bas resolved TILES-580.
----------------------------------
Resolution: Fixed
> getAsString does not support expressions
> ----------------------------------------
>
> Key: TILES-580
> URL: https://issues.apache.org/jira/browse/TILES-580
> Project: Tiles
> Issue Type: Improvement
> Components: tiles-template
> Affects Versions: 3.0.4
> Environment: spring 3.2, tomcat 7, windows xp.
> Reporter: susan woodbury
> Assignee: Nicolas Le Bas
> Priority: Minor
> Fix For: 3.0.5
>
>
> Looking through the code, I believe getAsString does not currently
> support expressions. That's weird, I believe it should not be difficult
> to implement. Nicolas Le Bas
> getAsString works with value=
> getAsString always returns null with expression=
> while insertAttribute works correctly with both value= and expression=
>
> the following layout.jsp file succeeds to get the title which is set via
> value=, while the css and footer which is set via the el functionality fails
> with a nullpointerexception..
> =========================================================
> the error is:
> DEBUG org.apache.tiles.template.GetAsStringModel - Ignoring exception
> java.lang.NullPointerException
> at
> org.apache.tiles.template.GetAsStringModel.renderAttribute(GetAsStringModel.java:177)
> at
> org.apache.tiles.template.GetAsStringModel.execute(GetAsStringModel.java:122)
> at
> org.apache.tiles.jsp.taglib.GetAsStringTag.doTag(GetAsStringTag.java:261)
> at
> org.apache.jsp.client.default_.layout.layout_jsp._jspx_meth_tiles_005fgetAsString_005f1(layout_jsp.java:258)
> at
> org.apache.jsp.client.default_.layout.layout_jsp._jspService(layout_jsp.java:132)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> =========================================================
> with a tiles_en.xml of:
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE tiles-definitions PUBLIC "-//Apache Software Foundation//DTD Tiles
> Configuration 3.0//EN" "http://tiles.apache.org/dtds/tiles-config_3_0.dtd";>
> <tiles-definitions>
> <definition name="nouser.default.definition"
> templateExpression="/client/default/layout/layout.jsp">
> <put-attribute name="client" value="${client}"/>
> <put-attribute name="title" value="| Default" />
> <put-attribute name="meta" expression="/client/default/layout/meta.jsp"/>
> <put-attribute name="css"
> expression="/client/${client}/layout/css/enerwise_v2.css"/>
> <put-attribute name="css_print"
> expression="/client/${client}/layout/css/em_print.css"/>
> <put-attribute name="header"
> expression="/client/default/layout/header.jsp"/>
> <put-attribute name="head" expression="/client/default/layout/head.jsp"/>
> <put-attribute name="menu" expression="/client/default/layout/menu.jsp"/>
> <put-attribute name="body" expression="/client/default/layout/body.jsp"/>
> <put-attribute name="footer"
> expression="/client/${client}/layout/footer.jsp"/>
> </definition>
> <definition name="hello.page" extends="nouser.default.definition">
> <put-attribute name="title" value="| Welcome" />
> <put-attribute name="body" value="/jsp/helloWorld.jsp" />
> </definition>
> </tiles-definitions>
> ========================================================
> layout.jsp:
> <%@taglib uri="http://www.springframework.org/tags"; prefix="bean"%>
> <%@taglib uri="http://java.sun.com/jsp/jstl/core"; prefix="c"%>
> <%@ taglib uri="http://tiles.apache.org/tags-tiles"; prefix="tiles"%>
> <!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";>
> <head>
> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
> <title><bean:message code="label.project" /><tiles:getAsString
> name="title" /></title> <!--SUCCEEDS using value=-->
> <link rel=stylesheet href="<tiles:getAsString name='css'
> ignore='true' />" type="text/css" /><!-- FAILS using expression = -->
> <link rel=stylesheet href="<tiles:getAsString name='css_print'
> ignore='true' />" type="text/css" media="print" /><!-- FAILS using expression
> =-->
> <script src="<%=request.getContextPath()%>/js/CalendarPopup.js"
> type="text/javascript"></script>
> <script
> type="text/javascript">document.write(getCalendarStyles());</script>
> <script type="text/javascript"
> src="<%=request.getContextPath()%>/js/jquery-1.6.4.min.js"></script>
> <script language="javascript1.2"
> src="<%=request.getContextPath()%>/js/jquery.countdown.min.js"></script>
> </head>
> <body>
> <a name="top"></a>
> <!-- begin wrapper -->
> <div id="wrapper">
> <!-- begin header -->
> <tiles:insertAttribute name="header" />
> <!-- end header -->
> <!-- begin navigation -->
> <tiles:insertAttribute name='menu' />
> <!-- end navigation -->
> <!-- begin content -->
> <div id="content">
> <tiles:insertAttribute name='body' />
> <br />
> <!-- begin footer -->
> <tiles:getAsString name="footer" ignore='true' /> <!-- FAILS using expression
> =-->
> <tiles:insertAttribute name="footer" ignore='true'/><!-- SUCCEEDS using
> expression =-->
> <!-- end footer -->
> </div>
> <!-- end content -->
> </div>
> <!-- end wrapper -->
> </body>
> </html>
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