JSTL Spec: http://jcp.org/aboutJava/communityprocess/final/jsr052/index2.html
The following code runs in my 2.4 Servlet container. and produces the output: 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 <%@ page import="java.util.ArrayList"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core"; prefix="c" %> <% ArrayList outer = new ArrayList(); for (int i = 0; i < 10; i++) { ArrayList inner = new ArrayList(); for (int j = 0; j < 10; j++) { inner.add(String.valueOf(j)); } outer.add(inner); } request.setAttribute("outer", outer); %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>JSTL Nested Loop</title> </head> <body> <c:forEach var="list" items="${outer}" varStatus="outerStatus"> <c:if test="${!outerStatus.first}"><br/></c:if> <c:forEach var="item" items="${list}" varStatus="status"> <c:if test="${!status.first}">/</c:if> <c:out value="${item}"/> </c:forEach> </c:forEach> </body> </html> robert > -----Original Message----- > From: Dean A. Hoover [mailto:[EMAIL PROTECTED] > Sent: Wednesday, May 05, 2004 8:48 PM > To: Struts Users Mailing List > Subject: Re: inserting delimiters > > > Thanks again. Where is the spec? > I tried what you gave me, slightly edited, as follows: > > <c:forEach var="v" items="${categoryLineages}" varStatus="outerStatus"> > <c:if test="${!outerStatus.first}"><br/></c:if> > <c:forEach var="seriesCat" items="${v}" varStatus="status"> > <c:if test="${!status.first}">/</c:if> > <c:out value="${seriesCat.safeTitle}"/> > </c:forEach> > </c:forEach> > > I get the following exception: > [ServletException in:/WEB-INF/tiles/content/misc/EditSeries.jsp] > /WEB-INF/tiles/content/misc/EditSeries.jsp(21,0) According to TLD or > attribute directive in tag file, attribute items does not accept any > expressions' org.apache.jasper.JasperException: > /WEB-INF/tiles/content/misc/EditSeries.jsp(21,0) According to TLD or > attribute directive in tag file, attribute items does not accept any > expressions at > org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:83) > at > > Know what's wrong? > > Robert Taylor wrote: > > >There are several good references on line for learning JSTL, > >but I have found the actual spec itself to be great. > > > >I'm assuming you want something like > ><br>AAA/BBB/CCC<br>DDD/EEE/FFF > >etc... > > > ><c:forEach var="v" items="${vectors}"> > ><br> > ><c:forEach var="seriesCat" items="${v}" varStatus="status"> > ><c:if test="${!status.first}">/</c:if> > ><c:out value="$(seriesCat}"/> > ></c:forEach> > ></c:forEach> > > > >To avoid the first <br>, use the same logic as the inner loop: > > > ><c:forEach var="v" items="${vectors}" varStatus="outerStatus"> > ><c:if test="${!outerStatus.first}"><br></c:if> > ><c:forEach var="seriesCat" items="${v}" varStatus="status"> > ><c:if test="${!status.first}">/</c:if> > ><c:out value="$(seriesCat}"/> > ></c:forEach> > ></c:forEach> > > > >should produce something like: > > > >AAA/BBB/CCC<br>DDD/EEE/FFF > >etc... > > > >BTW, this code is untested, but it should work. > > > >robert > > > > > > > >>-----Original Message----- > >>From: Dean A. Hoover [mailto:[EMAIL PROTECTED] > >>Sent: Wednesday, May 05, 2004 8:01 PM > >>To: [EMAIL PROTECTED] > >>Subject: Re: inserting delimiters > >> > >> > >>Thanks Robert. It looks like I need to learn JSTL. Any > >>suggestions? Also, the original problem I posted has changed > >>a little. I am now stuffing a Vector of Vectors of SeriesCategory > >>(my object). SeriesCategory has a getSafeTitle() method that gets > >>an XML safe character string title for the category. This is a little > >>like the problem I posted, except that the outer loop needs a > >><br/> delimiter and the inner loop needs the / delimiter. What > >>might that look like? > >> > >>Robert Taylor wrote: > >> > >> > >> > >>>One solution would be the following: > >>> > >>><c:forEach var="item" items="items" varStatus="status"> > >>><c:if test="${!status.first}">/</c:if> > >>><c:out value="$item"/> > >>></c:forEach> > >>> > >>>robert > >>> > >>> > >>> > >>> > >>> > >>>>-----Original Message----- > >>>>From: Dean A. Hoover [mailto:[EMAIL PROTECTED] > >>>>Sent: Wednesday, May 05, 2004 8:02 AM > >>>>To: [EMAIL PROTECTED] > >>>>Subject: inserting delimiters > >>>> > >>>> > >>>>I have a Collection of Strings that I > >>>>want to render with delimiters. Suppose > >>>>The Strings are "AAA", "BBB", and "CCC". > >>>>For example, I want to delimit the strings > >>>>with / > >>>> > >>>>So the insertion would look like this: > >>>>AAA/BBB/CCC > >>>> > >>>>How would you recommend I go about it? > >>>>If I were doing this in Java instead of JSP > >>>>I would treat the first pass through the loop > >>>>as a special case. I'm not sure how to do this > >>>>with the logic or JSTL tags. > >>>> > >>>>Thanks. > >>>>Dean Hoover > >>>> > >>>> > >>>>--------------------------------------------------------------------- > >>>>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>>For additional commands, e-mail: [EMAIL PROTECTED] > >>>> > >>>> > >>>> > >>>> > >>>> > >>>--------------------------------------------------------------------- > >>>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>For additional commands, e-mail: [EMAIL PROTECTED] > >>> > >>> > >>> > >>> > >>> > >>> > >> > >>--------------------------------------------------------------------- > >>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>For additional commands, e-mail: [EMAIL PROTECTED] > >> > >> > >> > > > >--------------------------------------------------------------------- > >To unsubscribe, e-mail: [EMAIL PROTECTED] > >For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
