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java.lang.Object
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+--net.sf.saxon.expr.ComputedExpression
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+--net.sf.saxon.expr.FunctionCall
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+--net.sf.saxon.functions.SystemFunction
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+--net.sf.saxon.functions.SystemProperty
| Field Summary |
| Fields inherited from class net.sf.saxon.functions.SystemFunction |
operation |
| Fields inherited from class net.sf.saxon.expr.FunctionCall |
argument |
| Fields inherited from class net.sf.saxon.expr.ComputedExpression |
locationId, staticProperties |
| Fields inherited from interface net.sf.saxon.expr.Expression |
EVALUATE_METHOD, ITERATE_METHOD, PROCESS_METHOD |
| Constructor Summary | |
SystemProperty()
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| Method Summary | |
void |
checkArguments(StaticContext env)
Method called during static type checking |
Item |
evaluateItem(XPathContext context)
Evaluate the function at run-time |
static java.lang.String |
getProperty(java.lang.String uri,
java.lang.String local,
Configuration config)
Here's the real code: |
Expression |
preEvaluate(StaticContext env)
preEvaluate: this method performs compile-time evaluation |
| Methods inherited from class net.sf.saxon.functions.SystemFunction |
addContextDocumentArgument, computeCardinality, display, getDetails, getItemType, getRequiredType, main, makeSystemFunction, setDetails, useContextItemAsDefault |
| Methods inherited from class net.sf.saxon.expr.FunctionCall |
analyze, checkArgumentCount, getDisplayName, getFunctionNameCode, getNumberOfArguments, iterateSubExpressions, promote, setArguments, setFunctionNameCode, simplify, simplifyArguments |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public SystemProperty()
| Method Detail |
public void checkArguments(StaticContext env)
throws XPathException
SystemFunction
checkArguments in class SystemFunctionXPathException
public Expression preEvaluate(StaticContext env)
throws XPathException
preEvaluate in class FunctionCallXPathException
public Item evaluateItem(XPathContext context)
throws XPathException
evaluateItem in interface ExpressionevaluateItem in class ComputedExpressioncontext - The context in which the expression is to be evaluated
XPathException - if any dynamic error occurs evaluating the
expression
public static java.lang.String getProperty(java.lang.String uri,
java.lang.String local,
Configuration config)
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