net.sf.saxon.functions
Class Contains
java.lang.Object
|
+--net.sf.saxon.expr.ComputedExpression
|
+--net.sf.saxon.expr.FunctionCall
|
+--net.sf.saxon.functions.SystemFunction
|
+--net.sf.saxon.functions.CollatingFunction
|
+--net.sf.saxon.functions.Contains
- All Implemented Interfaces:
- Expression, java.io.Serializable
- public class Contains
- extends CollatingFunction
This class implements the contains(), starts-with(), ends-with(),
substring-before(), and substring-after() functions
- See Also:
- Serialized Form
Methods inherited from class net.sf.saxon.functions.SystemFunction |
addContextDocumentArgument, checkArguments, computeCardinality, display, getDetails, getItemType, getName, getRequiredType, main, makeSystemFunction, useContextItemAsDefault |
Methods inherited from class net.sf.saxon.expr.ComputedExpression |
computeDependencies, computeSpecialProperties, computeStaticProperties, dynamicError, effectiveBooleanValue, evaluateAsString, getCardinality, getDependencies, getIntrinsicDependencies, getLineNumber, getSourceLocator, getSpecialProperties, iterate, markTailFunctionCalls, setLineNumber, typeError |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
CONTAINS
public static final int CONTAINS
- See Also:
- Constant Field Values
STARTSWITH
public static final int STARTSWITH
- See Also:
- Constant Field Values
ENDSWITH
public static final int ENDSWITH
- See Also:
- Constant Field Values
AFTER
public static final int AFTER
- See Also:
- Constant Field Values
BEFORE
public static final int BEFORE
- See Also:
- Constant Field Values
Contains
public Contains()
evaluateItem
public Item evaluateItem(XPathContext context)
throws XPathException
- Evaluate the function
- Specified by:
evaluateItem
in interface Expression
- Overrides:
evaluateItem
in class ComputedExpression
- Parameters:
context
- The context in which the expression is to be evaluated
- Returns:
- the node or atomic value that results from evaluating the
expression; or null to indicate that the result is an empty
sequence
- Throws:
XPathException
- if any dynamic error occurs evaluating the
expression