HP P4518A - Traffic Management Server Sa7150, User Manual

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C H A P T E R 3 XML Operations
19
Where:
•
employee
,
name
,
address, street, city, state,
and
zip
are the elements of the XML document.
•
lastName
,
firstName
, and
initial
are the attributes of the
element,
name
.
•
13280 Evening Creek Dr, San Diego, California,
and
92128
are the text components of the elements,
street,
city, state,
and
zip
, respectively.
•
“Smith,” and “John,” and “K” are the text components of the
lastName
,
firstName
, and
initial
attributes of the
name
element.
XML expressions configured in the SA7150 are matched against
XML data which is then sent for fulfillment to server assignments
defined in XML patterns.
URI expressions in XML Patterns
XML configurations use URI expressions to assign particular classes
of URLs to particular servers for fulfillment. Applicable expressions
are listed below:
•
File type expressions, such as
*.asp
• Path expressions, such as
/PurchaseOrder/*
•
Unique file expressions, such as
/purchase.cgi
•
Wildcard expression, such as
*
• Negation expressions, such as
!*.asp
or
!*/purchase.cgi
Invalid URI Expressions
The following may not be used in URI expressions:
• Text on either side of the asterisk, such as
/order*.asp
• Expressions containing more than one asterisk, such as
/order*.*
•
Expressions containing one or more spaces or the dollar sign ($)
character
•
Expressions containing a vertical bar ( | ) or a carat (^)