Package org.apache.velocity.runtime.visitor

Class BaseVisitor

java.lang.Object

org.apache.velocity.runtime.visitor.BaseVisitor

All Implemented Interfaces:

ParserVisitor

Direct Known Subclasses:

NodeViewMode

public abstract class BaseVisitor
extends java.lang.Object
implements ParserVisitor

This is the base class for all visitors. For each AST node, this class will provide a bare-bones method for traversal.

Version:

$Id: BaseVisitor.java 747106 2009-02-23 19:25:14Z nbubna $

Author:

Jason van Zyl, Geir Magnusson Jr.

Field Summary

Fields

Modifier and Type	Field	Description
protected InternalContextAdapter	context	Context used during traversal
protected java.io.Writer	writer	Writer used as the output sink

Constructor Summary

Constructors

Constructor	Description
BaseVisitor()

Method Summary

Modifier and Type	Method	Description
void	setContext(InternalContextAdapter context)
void	setWriter(java.io.Writer writer)
java.lang.Object	visit(ASTAddNode node, java.lang.Object data)
java.lang.Object	visit(ASTAndNode node, java.lang.Object data)
java.lang.Object	visit(ASTAssignment node, java.lang.Object data)
java.lang.Object	visit(ASTBlock node, java.lang.Object data)
java.lang.Object	visit(ASTComment node, java.lang.Object data)
java.lang.Object	visit(ASTDirective node, java.lang.Object data)
java.lang.Object	visit(ASTDivNode node, java.lang.Object data)
java.lang.Object	visit(ASTElseIfStatement node, java.lang.Object data)
java.lang.Object	visit(ASTElseStatement node, java.lang.Object data)
java.lang.Object	visit(ASTEQNode node, java.lang.Object data)
java.lang.Object	visit(ASTEscapedDirective node, java.lang.Object data)
java.lang.Object	visit(ASTEscape node, java.lang.Object data)
java.lang.Object	visit(ASTExpression node, java.lang.Object data)
java.lang.Object	visit(ASTFalse node, java.lang.Object data)
java.lang.Object	visit(ASTFloatingPointLiteral node, java.lang.Object data)
java.lang.Object	visit(ASTGENode node, java.lang.Object data)
java.lang.Object	visit(ASTGTNode node, java.lang.Object data)
java.lang.Object	visit(ASTIdentifier node, java.lang.Object data)
java.lang.Object	visit(ASTIfStatement node, java.lang.Object data)
java.lang.Object	visit(ASTIntegerLiteral node, java.lang.Object data)
java.lang.Object	visit(ASTIntegerRange node, java.lang.Object data)
java.lang.Object	visit(ASTLENode node, java.lang.Object data)
java.lang.Object	visit(ASTLTNode node, java.lang.Object data)
java.lang.Object	visit(ASTMap node, java.lang.Object data)
java.lang.Object	visit(ASTMethod node, java.lang.Object data)
java.lang.Object	visit(ASTModNode node, java.lang.Object data)
java.lang.Object	visit(ASTMulNode node, java.lang.Object data)
java.lang.Object	visit(ASTNENode node, java.lang.Object data)
java.lang.Object	visit(ASTNotNode node, java.lang.Object data)
java.lang.Object	visit(ASTObjectArray node, java.lang.Object data)
java.lang.Object	visit(ASTOrNode node, java.lang.Object data)
java.lang.Object	visit(ASTprocess node, java.lang.Object data)
java.lang.Object	visit(ASTReference node, java.lang.Object data)
java.lang.Object	visit(ASTSetDirective node, java.lang.Object data)
java.lang.Object	visit(ASTStringLiteral node, java.lang.Object data)
java.lang.Object	visit(ASTSubtractNode node, java.lang.Object data)
java.lang.Object	visit(ASTText node, java.lang.Object data)
java.lang.Object	visit(ASTTrue node, java.lang.Object data)
java.lang.Object	visit(ASTWord node, java.lang.Object data)
java.lang.Object	visit(SimpleNode node, java.lang.Object data)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

context

protected InternalContextAdapter context

Context used during traversal

writer

protected java.io.Writer writer

Writer used as the output sink

Constructor Detail

BaseVisitor

public BaseVisitor()

Method Detail

setWriter

public void setWriter(java.io.Writer writer)

Parameters:

writer -

setContext

public void setContext(InternalContextAdapter context)

Parameters:

context -

visit

public java.lang.Object visit(SimpleNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.SimpleNode, java.lang.Object)

visit

public java.lang.Object visit(ASTprocess node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTprocess, java.lang.Object)

visit

public java.lang.Object visit(ASTExpression node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTExpression, java.lang.Object)

visit

public java.lang.Object visit(ASTAssignment node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTAssignment, java.lang.Object)

visit

public java.lang.Object visit(ASTOrNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTOrNode, java.lang.Object)

visit

public java.lang.Object visit(ASTAndNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTAndNode, java.lang.Object)

visit

public java.lang.Object visit(ASTEQNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTEQNode, java.lang.Object)

visit

public java.lang.Object visit(ASTNENode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTNENode, java.lang.Object)

visit

public java.lang.Object visit(ASTLTNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTLTNode, java.lang.Object)

visit

public java.lang.Object visit(ASTGTNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTGTNode, java.lang.Object)

visit

public java.lang.Object visit(ASTLENode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTLENode, java.lang.Object)

visit

public java.lang.Object visit(ASTGENode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTGENode, java.lang.Object)

visit

public java.lang.Object visit(ASTAddNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTAddNode, java.lang.Object)

visit

public java.lang.Object visit(ASTSubtractNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTSubtractNode, java.lang.Object)

visit

public java.lang.Object visit(ASTMulNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTMulNode, java.lang.Object)

visit

public java.lang.Object visit(ASTDivNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTDivNode, java.lang.Object)

visit

public java.lang.Object visit(ASTModNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTModNode, java.lang.Object)

visit

public java.lang.Object visit(ASTNotNode node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTNotNode, java.lang.Object)

visit

public java.lang.Object visit(ASTIntegerLiteral node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTIntegerLiteral, java.lang.Object)

visit

public java.lang.Object visit(ASTFloatingPointLiteral node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

Since:

1.5

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTFloatingPointLiteral, java.lang.Object)

visit

public java.lang.Object visit(ASTStringLiteral node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTStringLiteral, java.lang.Object)

visit

public java.lang.Object visit(ASTIdentifier node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTIdentifier, java.lang.Object)

visit

public java.lang.Object visit(ASTMethod node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTMethod, java.lang.Object)

visit

public java.lang.Object visit(ASTReference node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTReference, java.lang.Object)

visit

public java.lang.Object visit(ASTTrue node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTTrue, java.lang.Object)

visit

public java.lang.Object visit(ASTFalse node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTFalse, java.lang.Object)

visit

public java.lang.Object visit(ASTBlock node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTBlock, java.lang.Object)

visit

public java.lang.Object visit(ASTText node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTText, java.lang.Object)

visit

public java.lang.Object visit(ASTIfStatement node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTIfStatement, java.lang.Object)

visit

public java.lang.Object visit(ASTElseStatement node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTElseStatement, java.lang.Object)

visit

public java.lang.Object visit(ASTElseIfStatement node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTElseIfStatement, java.lang.Object)

visit

public java.lang.Object visit(ASTComment node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTComment, java.lang.Object)

visit

public java.lang.Object visit(ASTObjectArray node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTObjectArray, java.lang.Object)

visit

public java.lang.Object visit(ASTWord node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTWord, java.lang.Object)

visit

public java.lang.Object visit(ASTSetDirective node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTSetDirective, java.lang.Object)

visit

public java.lang.Object visit(ASTDirective node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTDirective, java.lang.Object)

visit

public java.lang.Object visit(ASTEscapedDirective node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

Since:

1.5

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTEscapedDirective, java.lang.Object)

visit

public java.lang.Object visit(ASTEscape node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

Since:

1.5

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTEscape, java.lang.Object)

visit

public java.lang.Object visit(ASTMap node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

Since:

1.5

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTMap, java.lang.Object)

visit

public java.lang.Object visit(ASTIntegerRange node,
                              java.lang.Object data)

Specified by:

visit in interface ParserVisitor

Returns:

The object rendered by this node.

Since:

1.5

See Also:

ParserVisitor.visit(org.apache.velocity.runtime.parser.node.ASTIntegerRange, java.lang.Object)