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Rss from calendar items

The "WCB: JSP front-end design" forum contains threads on issues that are related to JSP front-end design while programming a WCB (WebManager Component Bundle). The Presentation & Element component contain JSPs that will be used for front-end rendering. Ask your questions related to these JSPs here. Some example topics: integration of AJAX, use of the taglibs, how to handle multiple websites, and so forth.

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Forums  >  WCB: JSP Front-end design  >  Rss from calendar items


Author Rss from calendar items
johnsten



Posts: 59

Posted: 13-10-2009 11:38

Is it possible to generate rss from calendar items? If i use the following code it only generates a textline but the source looks good


source code of page


<?xml version="1.0" ?>
<rss version="2.0">
		<channel>
				<item>
					<title>November event</title>
					<link>http://webmanager.saus.nl</link>
					<date>November 1, 2009	- November 3, 2009</date>
					<location>Amsterdam</location>

					<description>Dit is een financieel event in november</description>
				</item>
</channel>
</rss>




source of RSSCalendarElement.jspf


<%@ page language="java" session="false" buffer="none" %>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<%@ taglib uri="http://www.gx.nl/taglib/wm" prefix="wm" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>

<c:set var="calendarElement" value="${presentationcontext.element}" />
<c:set var="wmPage" value="${presentationcontext.page}" />
<c:set var="wmPageCurrent" value="${wmPage.current}" />
<wm:presentationProperty var="normalFont" label="normal" />
<wm:presentationProperty var="headerFont" label="header" />

<wm:text var="dateFormatLanguage" label="metatagvalue" />

<fmt:setLocale value="en" />

<channel>
	<c:if test="${not empty calendarElement.calendarItems}">
		<c:choose>
		<c:when test="${not empty calendarElement.title}">
			<title>${fn:escapeXml(calendarElement.title)}</title>
		</c:when>
		<otherwise>
			<title>${fn:escapeXml(wmPageCurrent.title)}
		</otherwise>
		</c:choose>
			<c:forEach var="item" items="${calendarElement.calendarItems}">
				<item>
					<title>${fn:escapeXml(item.title)}</title>	
					<eventDate><fmt:formatDate value="${item.startDate}" type="date" dateStyle="long" /> - <fmt:formatDate value="${item.endDate}" type="date" dateStyle="long" /></eventDate>
					<c:if test="${not empty item.location}">
					<location>${fn:escapeXml(item.location)}</location>
					</c:if>			
					<description>${fn:escapeXml(item.description)}</description>
					<c:if test="${not empty item.readMoreLink && not empty item.readMoreLink.link}">
					<wm:link var="readMoreLink" reference="${item.readMoreLink.link.page}" absoluteUrl="true" />
					<link>${readMoreLink.url}</link>
					</c:if>						
				</item>
			</c:forEach>
	</c:if>
</channel>
PeterK



Posts: 9

Posted: 13-10-2009 13:02

It's possible to check your XML source here: http://feedvalidator.org/
Using the Webmanager community RSS presentation for a mediaOverview
will result in this XML result... which works just fine in a RSS reader... maybe this helps =>


<?xml version="1.0" ?>
<rss version="2.0">
						<channel>
	<title>rss</title>
	<link>http://localhost:8080/web/show/id=83510/langid=43</link>
	<description></description>
			<item>
				<title>VS sturen 13.000 man extra naar Afghanistan</title>

				<link>http://localhost:8080/web/show/id=26111/langid=43/contentid=2</link>
				<description>Er gaan 13.000 Amerikaanse militairen meer naar Afghanistan ....</description>
					<pubDate>Tue, 13 Oct 2009 10:53:00 GMT</pubDate>
			</item>
			<item>
				<title>New article</title>
				<link>http://localhost:8080/web/show/id=26111/langid=43/contentid=1</link>

				<description>Contrary to popular belief, Lorem Ipsum is not simply random text</description>
					<pubDate>Thu, 24 Sep 2009 11:18:00 GMT</pubDate>
			</item>
</channel>
</rss>
johnsten



Posts: 59

Posted: 13-10-2009 13:14

Peter,

I've already used that presentation as an example I also used the feed validation but still the same problem.

ps I'm running 9.4.1
PeterK



Posts: 9

Posted: 13-10-2009 13:36 Solved

You could try to fill the title,link and description field right after the channel tag... 


<channel>
	<title>${fn:escapeXml(wmPageCurrent.title)}</title>
	<link>${channellink.url}</link>
	<description>${fn:escapeXml(wmPageCurrent.lead)}</description>
...



If I remove these fields my RSS reader fails...
johnsten



Posts: 59

Posted: 13-10-2009 15:35

I've removed the begin and end tag of item. Now it works thanks



<?xml version="1.0" ?>
<rss version="2.0">
		<channel>
					<title>November event</title>	
					<date>November 1, 2009 - November 3, 2009</date>
					<location>Amsterdam</location>
					<description>Dit is een financieel event in november</description>
					<link>http://webmanager.saus.nl</link>

					<title>December</title>	
					<date>December 1, 2009 - December 16, 2009</date>
					<location>Utrecht</location>
					<description>December evenement </description>
					<link>http://webmanager.saus.nl</link>
</channel>
</rss>
johnsten



Posts: 59

Posted: 13-10-2009 15:55

This is the final file

Here a reference where you can find rss standards.

http://cyber.law.harvard.edu/rss/rss.html

thanks for your help


<%@ page language="java" session="false" buffer="none" %>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<%@ taglib uri="http://www.gx.nl/taglib/wm" prefix="wm" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>

<c:set var="calendarElement" value="${presentationcontext.element}" />
<c:set var="wmPage" value="${presentationcontext.page}" />
<c:set var="wmPageCurrent" value="${wmPage.current}" />
<wm:presentationProperty var="normalFont" label="normal" />
<wm:presentationProperty var="headerFont" label="header" />

<wm:link var="channellink" reference="${wmPageCurrent}" absoluteUrl="true" />

<wm:text var="dateFormatLanguage" label="metatagvalue" />

<fmt:setLocale value="en" />

<channel>
	<c:if test="${not empty calendarElement.calendarItems}">
		<title>${fn:escapeXml(wmPageCurrent.title)}</title>
		<link>${channellink.url}</link>
		<description>${fn:escapeXml(wmPageCurrent.lead)}</description>
		<c:forEach var="item" items="${calendarElement.calendarItems}">
			<item>
				<title>${fn:escapeXml(item.title)}</title>	
				<pubDate><fmt:formatDate value="${item.startDate}" type="date" dateStyle="long" /> - <fmt:formatDate value="${item.endDate}" type="date" dateStyle="long" /></pubDate>
				<description>${fn:escapeXml(item.description)}</description>
				<c:if test="${not empty item.readMoreLink && not empty item.readMoreLink.link}">
				<wm:link var="readMoreLink" reference="${item.readMoreLink.link.page}" absoluteUrl="true" />
				<link>${readMoreLink.url}</link>
				</c:if>						
			</item>	
		</c:forEach>
	</c:if>
</channel>

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