Class ASTElseIfStatement
- java.lang.Object
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- org.apache.velocity.runtime.parser.node.SimpleNode
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- org.apache.velocity.runtime.parser.node.ASTElseIfStatement
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- All Implemented Interfaces:
Node
,Renderable
public class ASTElseIfStatement extends SimpleNode
This class is responsible for handling the ElseIf VTL control statement. Please look at the Parser.jjt file which is what controls the generation of this class.- Version:
- $Id: ASTElseIfStatement.java 517553 2007-03-13 06:09:58Z wglass $
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Constructor Summary
Constructors Constructor Description ASTElseIfStatement(int id)
ASTElseIfStatement(Parser p, int id)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
evaluate(InternalContextAdapter context)
An ASTElseStatement is true if the expression it contains evaluates to true.java.lang.Object
jjtAccept(ParserVisitor visitor, java.lang.Object data)
boolean
render(InternalContextAdapter context, java.io.Writer writer)
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Methods inherited from class org.apache.velocity.runtime.parser.node.SimpleNode
childrenAccept, dump, execute, getColumn, getFirstToken, getInfo, getLastToken, getLine, getLocation, getRuntimeServices, getTemplateName, getType, init, isInvalid, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, literal, setFirstToken, setInfo, setInvalid, toString, toString, value
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Constructor Detail
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ASTElseIfStatement
public ASTElseIfStatement(int id)
- Parameters:
id
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ASTElseIfStatement
public ASTElseIfStatement(Parser p, int id)
- Parameters:
p
-id
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Method Detail
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jjtAccept
public java.lang.Object jjtAccept(ParserVisitor visitor, java.lang.Object data)
- Specified by:
jjtAccept
in interfaceNode
- Overrides:
jjtAccept
in classSimpleNode
- Returns:
- The Node execution result object.
- See Also:
SimpleNode.jjtAccept(org.apache.velocity.runtime.parser.node.ParserVisitor, java.lang.Object)
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evaluate
public boolean evaluate(InternalContextAdapter context) throws MethodInvocationException
An ASTElseStatement is true if the expression it contains evaluates to true. Expressions know how to evaluate themselves, so we do that here and return the value back to ASTIfStatement where this node was originally asked to evaluate itself.- Specified by:
evaluate
in interfaceNode
- Overrides:
evaluate
in classSimpleNode
- Parameters:
context
-- Returns:
- True if all childs are true.
- Throws:
MethodInvocationException
- See Also:
Node.evaluate(org.apache.velocity.context.InternalContextAdapter)
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render
public boolean render(InternalContextAdapter context, java.io.Writer writer) throws java.io.IOException, MethodInvocationException, ResourceNotFoundException, ParseErrorException
- Specified by:
render
in interfaceNode
- Specified by:
render
in interfaceRenderable
- Overrides:
render
in classSimpleNode
- Returns:
- True if the node rendered successfully.
- Throws:
java.io.IOException
MethodInvocationException
ResourceNotFoundException
ParseErrorException
- See Also:
SimpleNode.render(org.apache.velocity.context.InternalContextAdapter, java.io.Writer)
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