analytics/templates/ps/cps4/portlets/utility/portlet-impl/rss/rss.xts

<?xml version="1.0" encoding="UTF-8"?>
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    IBM Cognos Products: cpscrn


    (C) Copyright IBM Corp. 2005, 2011

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<!--
   Copyright (C) 2008 Cognos ULC, an IBM Company. All rights reserved.
   Cognos (R) is a trademark of Cognos ULC, (formerly Cognos Incorporated).
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<!-- $Header: //cpscrn/main/templates/cps4/portlets/utility/portlet-impl/rss/rss.xts#1 $ -->
<!-- $DateTime: 2008/10/22 11:12:04 $ -->
<!-- $Change: 25109 $ -->
<xts:morphlet version="1.0" xmlns:xts="http://developer.cognos.com/schemas/xts/">

	<xts:block id="request" type="exec" mode="interpret" processor="XSLT">
		<xts:logicsheet path="/cps4/producer/logicsheets/cps-portlet.xslt"/>

		<xsl:stylesheet version="1.0" 
			xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
			xmlns:wsrp="urn:oasis:names:tc:wsrp:v1:types" 
			xmlns:portlet="http://developer.cognos.com/schemas/cps/logic/portlet/1/"
			xmlns:xtsext="xalan://com.cognos.xts.ext.XTSExt">
			<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="no"/>

			<xsl:variable name="timeout" select="/root/configProps/param[@name='cps']/property[@name='cps4.portlet.ui.rss.timeoutSeconds']"/>
			<xsl:template match="/">
				<xts:sequence>
					<portlet:if-window-state name="wsrp:normal|wsrp:maximized|wsrp:solo">
						<portlet:if-mode name="wsrp:view|wsrp:preview">
							<!-- 
								<portlet:property> creates an <xsl:variable> with the right logic to 
								retrieve the parameter's value. It searches, in this sequence, the first 
								parameter found in:
									1. navigational state params (wsrp:navigationalState)
									2. portlet state params (wsrp:portletState)
									3. registration state params (wsrp:registrationState)
									4. configuration API params (from <configProps>)
									5. system params (system.xml)
							-->
							<portlet:property name="rss-url" select="'rss_url'"/>
							<xsl:if test="$rss-url != ''">
								<xsl:choose>
									<xsl:when test="xtsext:cafaction('issafeurl_null', $rss-url) = 'true'">
										<xts:append>
											<rssHeaders/>
										</xts:append>
										<xts:append>
											<xts:append faultBlock="handleFault">
												<rssResponse>
													<xts:request protocol="GET" target="{ $rss-url }" faultBlock="handleFault" protocolHeader="true" protocolHeaderSelect="/root/rssHeaders">
														<xts:param name="useProxy">true</xts:param>
														<xsl:if test="$timeout">
															<xts:param name="timeout"><xsl:value-of select="number($timeout) * 1000 "/></xts:param>														
														</xsl:if>														
														<xsl:if test="$portlet-markups/wsrp:validateTag != ''">
															<xts:param name="header">If-None-Match=<xsl:value-of select="$portlet-markups/wsrp:validateTag"/></xts:param>
															<xts:param name="header">Cache-Control=max-age=0</xts:param>
														</xsl:if>
													</xts:request>
												</rssResponse>
											</xts:append>
										</xts:append>
									</xsl:when>
									<xsl:otherwise>
										<xts:append>
											<error>
												<cafError/>
											</error>
										</xts:append>
									</xsl:otherwise>
								</xsl:choose>
							</xsl:if>
						</portlet:if-mode>
					</portlet:if-window-state>
				</xts:sequence>
			</xsl:template>

		</xsl:stylesheet>
	</xts:block>

	<xts:block id="response" dependency="request" type="exec" mode="interpret" processor="XSLT">
		<xts:logicsheet path="/cps4/producer/logicsheets/cps-portlet.xslt"/>

		<xsl:stylesheet version="1.0" 
			xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
			xmlns:wsrp="urn:oasis:names:tc:wsrp:v1:types" 
			xmlns:xos="http://developer.cognos.com/schemas/xts/output/"
			xmlns:random="java:java.util.Random" 
			xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" 
			xmlns:portlet="http://developer.cognos.com/schemas/cps/logic/portlet/1/">
			<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="no"/>

			<xsl:template match="/">
				<portlet:portlet handle="rss">
					<portlet:soap-response>

						<portlet:if-mode name="wsrp:view|wsrp:preview">
							<portlet:response>
								<portlet:content>
									<xsl:variable name="status-code" select="/root/rssHeaders/xos:status/xos:param[@name='statusCode']"/>
									<portlet:markup-context useCachedMarkup="$status-code = '304'" mimeType="'text/html'" requiresUrlRewriting="'true'">
										<portlet:if-window-state name="wsrp:minimized">
											<portlet:markup-string/>
										</portlet:if-window-state>

										<portlet:if-window-state name="wsrp:normal|wsrp:maximized|wsrp:solo">
											<portlet:property name="rss-use-title" select="'rss_use_title'"/>
											<portlet:property name="rss-url" select="'rss_url'"/>
											
											<xsl:choose>
												<xsl:when test="/root/error | /root/rssResponse/error">
													<xsl:call-template name="delay"/>
													<portlet:markup-transform name="XSLT" src="'/cps4/portlets/utility/portlet-impl/rss/error.xslt'">
														<portlet:logicsheet>/cps4/producer/logicsheets/cps-ui.xslt</portlet:logicsheet>
														<portlet:messageBase>/cps4/portlets/utility/messages/cpsutilitymsgs.xml</portlet:messageBase>
														<portlet:source>
															<xts:queryNode select="/root/error | /root/rssResponse/error"/>
														</portlet:source>
													</portlet:markup-transform>
												</xsl:when>

												<xsl:when test="$status-code = '304'">
													<portlet:cache-control expires="'120'" validateTag="/root/rssHeaders/xos:protocolHeader/xos:param[@name='ETag']"/>
												</xsl:when>

												<xsl:when test="/root/rssResponse/*">
												
													<xsl:if test="not(/root/rssResponse/rss/*[local-name()='channel'] | /root/rssResponse/rdf:RDF/*[local-name()='channel'])">
														<xsl:call-template name="delay"/>
													</xsl:if>

													<portlet:markup-transform name="XSLT" src="'/cps4/portlets/utility/portlet-impl/rss/view.xslt'">
														<portlet:logicsheet>/cps4/producer/logicsheets/cps-ui.xslt</portlet:logicsheet>
														<portlet:messageBase>/cps4/portlets/utility/messages/cpsutilitymsgs.xml</portlet:messageBase>
														<portlet:messageBase>/cps4/producer/messages/cpsproducermsgs.xml</portlet:messageBase>
														<portlet:source>
															<xts:function name="getConfiguration">
																<xts:param name="CPSRssAllowUnsafeCharacters"/>
															</xts:function>	
															<xts:queryNode select="/root/rssResponse/*"/>
														</portlet:source>
													</portlet:markup-transform>
													<portlet:cache-control expires="'120'" validateTag="/root/rssHeaders/xos:protocolHeader/xos:param[@name='ETag']"/>
												</xsl:when>

												<xsl:otherwise>
													<portlet:markup-transform name="XSLT" src="'/cps4/producer/wsrp-impl/transforms/display-nocontent.xslt'">
														<portlet:logicsheet>/cps4/producer/logicsheets/cps-ui.xslt</portlet:logicsheet>
														<portlet:messageBase>/cps4/producer/messages/cpsproducermsgs.xml</portlet:messageBase>
														<portlet:source/>
													</portlet:markup-transform>
												</xsl:otherwise>
											</xsl:choose>

											<xsl:choose>
												<xsl:when test="$rss-use-title='true'">
													<xsl:variable name="titles" select="$portlet-state-params[starts-with( @name, 'title_' ) and .!='']"/>
													<portlet:preferred-title-localized select="$titles"/>
												</xsl:when>
												<xsl:when test="$rss-url != ''">
													<portlet:preferred-title>
														<xsl:value-of select="$rss-url"/>
													</portlet:preferred-title>
												</xsl:when>
											</xsl:choose>
										</portlet:if-window-state>
									</portlet:markup-context>
								</portlet:content>
							</portlet:response>
						</portlet:if-mode>

						<portlet:if-mode name="wsrp:edit">
							<portlet:response>
								<portlet:content>
									<portlet:markup-context mimeType="'text/html'" requiresUrlRewriting="'true'">
										<xsl:variable name="xslt-src">
											<xsl:choose>
												<xsl:when test="contains( $portlet-navigational-params[@name = 'edit_mode'], 'about' )">
													<xsl:text>/cps4/producer/wsrp-impl/transforms/display-about.xslt</xsl:text>
												</xsl:when>
												<xsl:otherwise>
													<xsl:text>/cps4/portlets/utility/portlet-impl/rss/edit.xslt</xsl:text>
												</xsl:otherwise>
											</xsl:choose>
										</xsl:variable>
										<portlet:markup-transform name="XSLT" src="$xslt-src">
											<portlet:logicsheet>/cps4/producer/logicsheets/cps-ui-ext.xslt</portlet:logicsheet>
											<portlet:logicsheet>/cps4/producer/logicsheets/cps-ui.xslt</portlet:logicsheet>
											<portlet:logicsheet>/cps4/producer/logicsheets/cps-formlogic.xslt</portlet:logicsheet>
											<portlet:messageBase>/cps4/producer/messages/cpsproducermsgs.xml</portlet:messageBase>
											<portlet:messageBase>/cps4/portlets/utility/messages/cpsutilitymsgs.xml</portlet:messageBase>
											<portlet:source>
												<xts:function name="getConfiguration">
													<xts:param name="contentLocales">
														<xsl:value-of select="$portlet-product-locale"/>
													</xts:param>
												</xts:function>

												<xsl:variable name="nav-titles" select="$portlet-navigational-params[starts-with( @name, 'p_title_' ) and .!='']"/>
												<xsl:variable name="state-titles" select="$portlet-state-params[starts-with( @name, 'title_' ) and .!='']"/>
												<portlet:title-locale selectState1="$nav-titles" selectState2="$state-titles"/>
											</portlet:source>
										</portlet:markup-transform>
									</portlet:markup-context>
								</portlet:content>
							</portlet:response>
						</portlet:if-mode>

						<portlet:if-mode name="wsrp:help">
							<portlet:response>
								<portlet:content>
									<portlet:markup-context mimeType="'text/html'" requiresUrlRewriting="'false'">
										<portlet:markup-help/>
									</portlet:markup-context>
								</portlet:content>
							</portlet:response>
						</portlet:if-mode>

					</portlet:soap-response>
				</portlet:portlet>
			</xsl:template>
			<xsl:template name="delay">
				<xsl:variable name="timeout" select="/root/configProps/param[@name='cps']/property[@name='cps4.portlet.ui.rss.timeoutSeconds']"/>															
				<xsl:if test="$timeout">
					<xsl:variable name="error" select="/root/error | /root/rssResponse/error"/>	
					<xsl:variable name="delay">
						<xsl:choose>
							<xsl:when test="$error/cafError">0</xsl:when>
							<xsl:when test="$error/timeoutError"><xsl:value-of select="random:nextInt(random:new(), round(number($timeout div 3)))"/></xsl:when>
							<xsl:otherwise><xsl:value-of select="number($timeout) + random:nextInt(random:new(), round(number($timeout div 3)))"/></xsl:otherwise>
						</xsl:choose>
					</xsl:variable>					
					<xts:discard>
						<xts:function name="delay">
							<xts:param name="delayInSeconds"><xsl:value-of select="$delay"/></xts:param>
						</xts:function>
					</xts:discard>															
				</xsl:if>
			</xsl:template>
		</xsl:stylesheet>
	</xts:block>

	<xts:block id="handleFault" type="fault" processor="XSLT">
		<xsl:stylesheet version="1.0" 
			xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
			<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="no"/>

			<xsl:template match="/">
				<error>
					<xsl:choose>
						<xsl:when test="/root/fault/xts:exception[xts:exceptionCode='org.apache.commons.httpclient.HttpRecoverableException'] or contains(/root/fault/xts:exception/xts:exceptionCode ,'ConnectionTimeoutException')">
							<timeoutError/>
						</xsl:when>
						<xsl:otherwise>
								<xsl:copy-of select="/root/fault/xts:exception[xts:exceptionCode!='javax.mail.internet.ParseException'][last()]"/>
						</xsl:otherwise>
					</xsl:choose>
				</error>
			</xsl:template>
		</xsl:stylesheet>
	</xts:block>

</xts:morphlet>