Can you point me to a particular file that shows what you are talking about? I've looked through both the tags in the distribution and CVS, but haven't found an example.
Thanks! > -----Original Message----- > From: Karr, David [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, December 31, 2002 7:54 AM > To: Tag Libraries Users List > Subject: RE: Cooperating tag > > > In JSP 1.2, you have to specifically use the API for the JSTL > expression language engine if you want attributes to use the > "${...}" syntax. In JSP 2.0, this will happen automagically, > but we're not there yet. > > If you want one example of how this is done, look at the > Struts-EL contrib library, which is part of the Struts > distribution. You'll find that the Tag classes pass the > attribute values through the EL to generate the final value. > > > -----Original Message----- > > From: Randy Belknap [mailto:[EMAIL PROTECTED]] > > Sent: Monday, December 30, 2002 5:29 PM > > To: '[EMAIL PROTECTED]' > > Subject: Cooperating tag > > > > > > Should I be able to create a variable using <c:set> and then > > use it to set > > the value of an attribute in my own custom tag? > > > > When I try and use "${myVar}" to pass the value to my > custom tag, what > > receive is the literal "${myVar}". In otherwords it doesn't > > evaluate the > > expression. I've tested under Tomcat 4.0.6, 4.1.17 and 4.1.18. > > > > I've created the smallest possible test case and am including > > all the files. > > > > > > Thanks, > > > > Randy > > > > === JSP PAGE === > > <%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"; %> > > <%@ taglib prefix="x" uri="http://java.sun.com/jstl/xml"; %> > > <%@ taglib uri="portaltags" prefix="xe" %> > > <html><body> > > > > <c:set var="myVar" scope="page" value="1"/> > > > > <p><xe:MsgType messageType="${myVar}"/> > > > > </body></html> > > > > === The taglib.tld === > > <?xml version="1.0" encoding="ISO-8859-1" ?> > > <!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP > > Tag Library > > 1.1//EN" "http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd";> > > > > <taglib> > > <tlibversion>1.0</tlibversion> > > <jspversion>1.2</jspversion> > > <shortname>xe</shortname> > > <uri>http://www.test.com/portaltags.html</uri> > > <info>XePortal</info> > > > > <tag> > > <name>MsgType</name> > > <tagclass>com.test.XeTestTag</tagclass> > > <info>Gets message types</info> > > <attribute> > > <name>messageType</name> > > <required>true</required> > > <rtexprvalue>true</rtexprvalue> > > </attribute> > > </tag> > > </taglib> > > > > === The web.xml === > > <?xml version="1.0" encoding="ISO-8859-1"?> > > > > <!DOCTYPE web-app > > PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" > > "http://java.sun.com/dtd/web-app_2_3.dtd";> > > > > <web-app> > > <display-name>Portal</display-name> > > <description> > > Portal > > </description> > > > > <taglib> > > <taglib-uri>portaltags</taglib-uri> > > <taglib-location>/WEB-INF/taglib.tld</taglib-location> > > </taglib> > > > > </web-app> > > > > === The Java file === > > package com.test; > > > > import javax.servlet.jsp.JspTagException; > > import javax.servlet.jsp.tagext.TagSupport; > > > > public class XeTestTag extends TagSupport > > { > > private String messageType = "0"; > > /** > > * Constructor for XeTestTag. > > */ > > public XeTestTag() > > { > > super(); > > } > > > > /** > > * Sets the messageType. > > * @param messageType The messageType to set > > */ > > public void setMessageType(String messageType) > > { > > this.messageType = messageType; > > System.out.println("MessageType: " + messageType); > > } > > > > /** > > * Output the requested function. > > * @return int > > */ > > public int doEndTag() throws JspTagException > > { > > try > > { > > pageContext.getOut().write(messageType); > > } > > catch (java.io.IOException e) > > { > > throw new JspTagException("IO Error: " + > > e.getMessage()); > > } > > return EVAL_PAGE; > > } > > > > } > > > > -- > > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > > -- > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
