The page that you are currently viewing is for an old version of Stroom (7.7). The documentation for the latest version of Stroom (7.8) can be found using the version drop-down at the top of the screen or by clicking here.

Context Data

Context data is additional contextual data Stream that is sent alongside the main event data Stream.
Tags:

Context File

Input File:

<?xml version="1.0" encoding="UTF-8"?>
<SomeData>
	<SomeEvent>
			<SomeTime>01/01/2009:12:00:01</SomeTime>
			<SomeAction>OPEN</SomeAction>
			<SomeUser>userone</SomeUser>
			<SomeFile>D:\TranslationKit\example\VerySimple\OpenFileEvents.txt</SomeFile>
	</SomeEvent>
</SomeData>

Context File:

<?xml version="1.0" encoding="UTF-8"?>
<SomeContext>
	<Machine>MyMachine</Machine>
</SomeContext>

Context XSLT:

<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet
	xmlns="reference-data:2"
	xmlns:evt="event-logging:3"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
	version="2.0">
		
		<xsl:template match="SomeContext">
			<referenceData 
					xsi:schemaLocation="event-logging:3 file://event-logging-v3.0.0.xsd reference-data:2 file://reference-data-v2.0.1.xsd"
					version="2.0.1">
							
					<xsl:apply-templates/>
			</referenceData>
		</xsl:template>

		<xsl:template match="Machine">
			<reference>
					<map>CONTEXT</map>
					<key>Machine</key>
					<value><xsl:value-of select="."/></value>
			</reference>
		</xsl:template>
		
</xsl:stylesheet>

Context XML Translation:

<?xml version="1.0" encoding="UTF-8"?>
<referenceData xmlns:evt="event-logging:3"
								xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
								xmlns="reference-data:2"
								xsi:schemaLocation="event-logging:3 file://event-logging-v3.0.0.xsd reference-data:2 file://reference-data-v2.0.1.xsd"
								version="2.0.1">
		<reference>
			<map>CONTEXT</map>
			<key>Machine</key>
			<value>MyMachine</value>
		</reference>
</referenceData>

Input File:

<?xml version="1.0" encoding="UTF-8"?>
<SomeData>
	<SomeEvent>
			<SomeTime>01/01/2009:12:00:01</SomeTime>
			<SomeAction>OPEN</SomeAction>
			<SomeUser>userone</SomeUser>
			<SomeFile>D:\TranslationKit\example\VerySimple\OpenFileEvents.txt</SomeFile>
	</SomeEvent>
</SomeData>

Main XSLT (Note the use of the context lookup):

<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet
	xmlns="event-logging:3"
	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	version="2.0">
	
    <xsl:template match="SomeData">
        <Events xsi:schemaLocation="event-logging:3 file://event-logging-v3.0.0.xsd" Version="3.0.0">
            <xsl:apply-templates/>
        </Events>
    </xsl:template>
    <xsl:template match="SomeEvent">
        <xsl:if test="SomeAction = 'OPEN'">
            <Event>
                <EventTime>
                        <TimeCreated>
                            <xsl:value-of select="s:format-date(SomeTime, 'dd/MM/yyyy:hh:mm:ss')"/>
                        </TimeCreated>
                </EventTime>
				<EventSource>
					<System>Example</System>
					<Environment>Example</Environment>
					<Generator>Very Simple Provider</Generator>
					<Device>
						<IPAddress>182.80.32.132</IPAddress>
						<Location>
							<Country>UK</Country>
							<Site><xsl:value-of select="s:lookup('CONTEXT', 'Machine')"/></Site>
							<Building>Main</Building>
							<Floor>1</Floor>              
							<Room>1aaa</Room>
						</Location>           
					</Device>
					<User><Id><xsl:value-of select="SomeUser"/></Id></User>
				</EventSource>
				<EventDetail>
					<View>
						<Document>
							<Title>UNKNOWN</Title>
							<File>
								<Path><xsl:value-of select="SomeFile"/></Path>
							</File>
						</Document>
					</View>
				</EventDetail>
            </Event>
        </xsl:if>
    </xsl:template>
</xsl:stylesheet>

Main Output XML:

<?xml version="1.0" encoding="UTF-8"?>
<Events xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
				xmlns="event-logging:3"
				xsi:schemaLocation="event-logging:3 file://event-logging-v3.0.0.xsd"
				Version="3.0.0">
		<Event Id="6:1">
			<EventTime>
					<TimeCreated>2009-01-01T00:00:01.000Z</TimeCreated>
			</EventTime>
			<EventSource>
					<System>Example</System>
					<Environment>Example</Environment>
					<Generator>Very Simple Provider</Generator>
					<Device>
						<IPAddress>182.80.32.132</IPAddress>
						<Location>
								<Country>UK</Country>
								<Site>MyMachine</Site>
								<Building>Main</Building>
								<Floor>1</Floor>
								<Room>1aaa</Room>
						</Location>
					</Device>
					<User>
						<Id>userone</Id>
					</User>
			</EventSource>
			<EventDetail>
					<View>
						<Document>
								<Title>UNKNOWN</Title>
								<File>
									<Path>D:\TranslationKit\example\VerySimple\OpenFileEvents.txt</Path>
								</File>
						</Document>
					</View>
			</EventDetail>
		</Event>
</Events>
Last modified February 11, 2025: Merge branch '7.6' into 7.7 (3900c10)