BaseVisitor (Apache Velocity 2.2 API)

java.lang.Object
- org.apache.velocity.runtime.visitor.BaseVisitor

All Implemented Interfaces:

ParserVisitor

Direct Known Subclasses:

NodeViewMode
```
public abstract class BaseVisitor
extends 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 1780307 2017-01-26 01:57:00Z cbrisson $

Author:

Jason van Zyl, Geir Magnusson Jr.

Field Summary

Fields
Modifier and Type Field and Description

protected InternalContextAdapter context
Context used during traversal

protected Writer writer
Writer used as the output sink

Fields
Modifier and Type	Field and Description
`protected InternalContextAdapter`	`context` Context used during traversal
`protected Writer`	`writer` Writer used as the output sink

Constructor Summary

Constructors
Constructor and Description

BaseVisitor()

Constructors
Constructor and Description
`BaseVisitor()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`setContext(InternalContextAdapter context)`
`void`	`setWriter(Writer writer)`
`Object`	`visit(ASTAddNode node, Object data)`
`Object`	`visit(ASTAndNode node, Object data)`
`Object`	`visit(ASTAssignment node, Object data)`
`Object`	`visit(ASTBlock node, Object data)`
`Object`	`visit(ASTComment node, Object data)`
`Object`	`visit(ASTDirectiveAssign node, Object data)`
`Object`	`visit(ASTDirective node, Object data)`
`Object`	`visit(ASTDivNode node, Object data)`
`Object`	`visit(ASTElseIfStatement node, Object data)`
`Object`	`visit(ASTElseStatement node, Object data)`
`Object`	`visit(ASTEQNode node, Object data)`
`Object`	`visit(ASTEscapedDirective node, Object data)`
`Object`	`visit(ASTEscape node, Object data)`
`Object`	`visit(ASTExpression node, Object data)`
`Object`	`visit(ASTFalse node, Object data)`
`Object`	`visit(ASTFloatingPointLiteral node, Object data)`
`Object`	`visit(ASTGENode node, Object data)`
`Object`	`visit(ASTGTNode node, Object data)`
`Object`	`visit(ASTIdentifier node, Object data)`
`Object`	`visit(ASTIfStatement node, Object data)`
`Object`	`visit(ASTIndex node, Object data)`
`Object`	`visit(ASTIntegerLiteral node, Object data)`
`Object`	`visit(ASTIntegerRange node, Object data)`
`Object`	`visit(ASTLENode node, Object data)`
`Object`	`visit(ASTLTNode node, Object data)`
`Object`	`visit(ASTMap node, Object data)`
`Object`	`visit(ASTMethod node, Object data)`
`Object`	`visit(ASTModNode node, Object data)`
`Object`	`visit(ASTMulNode node, Object data)`
`Object`	`visit(ASTNENode node, Object data)`
`Object`	`visit(ASTNotNode node, Object data)`
`Object`	`visit(ASTObjectArray node, Object data)`
`Object`	`visit(ASTOrNode node, Object data)`
`Object`	`visit(ASTprocess node, Object data)`
`Object`	`visit(ASTReference node, Object data)`
`Object`	`visit(ASTSetDirective node, Object data)`
`Object`	`visit(ASTStringLiteral node, Object data)`
`Object`	`visit(ASTSubtractNode node, Object data)`
`Object`	`visit(ASTTextblock node, Object data)`
`Object`	`visit(ASTText node, Object data)`
`Object`	`visit(ASTTrue node, Object data)`
`Object`	`visit(ASTWord node, Object data)`
`Object`	`visit(SimpleNode node, 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 Writer writer
```
    Writer used as the output sink
- Constructor Detail
  - BaseVisitor
```
public BaseVisitor()
```
- Method Detail
  - setWriter
```
public void setWriter(Writer writer)
```
    Parameters:
    
    writer -
  - setContext
```
public void setContext(InternalContextAdapter context)
```
    Parameters:
    
    context -
  - visit
```
public Object visit(SimpleNode node,
                    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 Object visit(ASTprocess node,
                    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 Object visit(ASTExpression node,
                    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 Object visit(ASTAssignment node,
                    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 Object visit(ASTOrNode node,
                    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 Object visit(ASTAndNode node,
                    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 Object visit(ASTEQNode node,
                    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 Object visit(ASTNENode node,
                    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 Object visit(ASTLTNode node,
                    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 Object visit(ASTGTNode node,
                    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 Object visit(ASTLENode node,
                    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 Object visit(ASTGENode node,
                    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 Object visit(ASTAddNode node,
                    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 Object visit(ASTSubtractNode node,
                    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 Object visit(ASTMulNode node,
                    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 Object visit(ASTDivNode node,
                    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 Object visit(ASTModNode node,
                    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 Object visit(ASTNotNode node,
                    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 Object visit(ASTIntegerLiteral node,
                    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 Object visit(ASTFloatingPointLiteral node,
                    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 Object visit(ASTStringLiteral node,
                    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 Object visit(ASTIdentifier node,
                    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 Object visit(ASTMethod node,
                    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 Object visit(ASTIndex node,
                    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.ASTIndex, java.lang.Object)
  - visit
```
public Object visit(ASTReference node,
                    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 Object visit(ASTTrue node,
                    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 Object visit(ASTFalse node,
                    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 Object visit(ASTBlock node,
                    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 Object visit(ASTText node,
                    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 Object visit(ASTIfStatement node,
                    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 Object visit(ASTElseStatement node,
                    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 Object visit(ASTElseIfStatement node,
                    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 Object visit(ASTComment node,
                    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 Object visit(ASTTextblock node,
                    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.ASTTextblock, java.lang.Object)
  - visit
```
public Object visit(ASTObjectArray node,
                    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 Object visit(ASTWord node,
                    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 Object visit(ASTSetDirective node,
                    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 Object visit(ASTDirectiveAssign node,
                    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.ASTDirectiveAssign, java.lang.Object)
  - visit
```
public Object visit(ASTDirective node,
                    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 Object visit(ASTEscapedDirective node,
                    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 Object visit(ASTEscape node,
                    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 Object visit(ASTMap node,
                    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 Object visit(ASTIntegerRange node,
                    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)

Class BaseVisitor

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

context

writer

Constructor Detail

BaseVisitor

Method Detail

setWriter

setContext

visit

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