jd.xml.xpath.expr.function
Class Lang

java.lang.Object
  extended byjd.xml.xpath.expr.ExpressionImpl
      extended byjd.xml.xpath.expr.BooleanExpression
          extended byjd.xml.xpath.expr.function.BooleanFunction
              extended byjd.xml.xpath.expr.function.Lang
All Implemented Interfaces:
Expression, Function

public class Lang
extends BooleanFunction

Lang represents the xpath core function "boolean lang(string)".


Field Summary
static FunctionType TYPE
          The function type.
 
Fields inherited from class jd.xml.xpath.expr.function.BooleanFunction
arguments_
 
Fields inherited from interface jd.xml.xpath.expr.function.Function
NULL_ARGUMENTS
 
Fields inherited from interface jd.xml.xpath.expr.Expression
DEP_CONTEXT_NODE, DEP_CONTEXT_POSITION, DEP_CONTEXT_SIZE, DEP_CONTEXT_STATIC, DEP_NONE, DEP_UNKNOWN
 
Constructor Summary
Lang()
           
 
Method Summary
 int getContextDependencies()
          Return a bitfield indicating the expression dependencies on the XPath context.
 FunctionType getFunctionType()
          Return the FunctionType of the Function-
 boolean toBooleanValue(XPathContext context)
          Evaluate the Expression to a boolean.
 
Methods inherited from class jd.xml.xpath.expr.function.BooleanFunction
accept, getArgument, setArguments
 
Methods inherited from class jd.xml.xpath.expr.BooleanExpression
getResultType, toNumberValue, toStringValue, toXObject
 
Methods inherited from class jd.xml.xpath.expr.ExpressionImpl
hasContextDependencies, isUniqueFilter, matchesFilter, toNode, toNodeSet, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface jd.xml.xpath.expr.Expression
getResultType, hasContextDependencies, isUniqueFilter, matchesFilter, toNode, toNodeSet, toNumberValue, toString, toStringValue, toXObject
 

Field Detail

TYPE

public static final FunctionType TYPE
The function type.

Constructor Detail

Lang

public Lang()
Method Detail

getFunctionType

public FunctionType getFunctionType()
Description copied from interface: Function
Return the FunctionType of the Function-


toBooleanValue

public boolean toBooleanValue(XPathContext context)
Description copied from interface: Expression
Evaluate the Expression to a boolean.

Specified by:
toBooleanValue in interface Expression
Specified by:
toBooleanValue in class BooleanExpression

getContextDependencies

public int getContextDependencies()
Description copied from interface: Expression
Return a bitfield indicating the expression dependencies on the XPath context.

Specified by:
getContextDependencies in interface Expression
Overrides:
getContextDependencies in class BooleanFunction