org.ujac.util.template
Class ElseToken

java.lang.Object
  org.ujac.util.template.TemplateToken
      org.ujac.util.template.TemplateTokenContainer
          org.ujac.util.template.BaseConditionToken
              org.ujac.util.template.ElseToken

All Implemented Interfaces:

Serializable, Cloneable

public class ElseToken
extends BaseConditionToken

Name: ElseToken
Description: Represents an _else_ statement.

Author:

lauerc

See Also:

Serialized Form

Field Summary

static TokenAncestor[]

ancestorRules The ancestor rules.

Fields inherited from class org.ujac.util.template.TemplateTokenContainer

procedureRegistry

Fields inherited from class org.ujac.util.template.TemplateToken

interpreter, nextLegalAncestor, parent, position, source

Constructor Summary

ElseToken()
Constructs a ElseToken instance with no specific attributes.

Method Summary

protected TemplateToken	cloneToken(BaseTemplateInterpreter interpreter, TemplateTokenContainer parent) Clones the token for caching reasons.
TokenAncestor[]	getAncestorRules() Gets the ancestor rules for this template.
BaseConditionToken	getRootCondition() Gets the root condition.
String	getTokenName() Gets the token name.
void	initialize(BaseTemplateInterpreter interpreter, char[] source, int position, int length) Initializes the token.
boolean	isTrue(TemplateContext ctx) Tells whether or not the condition is true.
void	setArgument(Operand argument, int idx) Sets an argument.
String	toString()

Methods inherited from class org.ujac.util.template.BaseConditionToken

execute, getPreviousCondition, isResolved, parseArguments, setResolved

Methods inherited from class org.ujac.util.template.TemplateTokenContainer

addToken, clearTokens, cloneChildTokens, close, getBodyEnd, getBodyStart, getProcedureRegistry, getToken, getTokenCount, isBodyToken, isClosed, setBodyStart, setProcedureRegistry

Methods inherited from class org.ujac.util.template.TemplateToken

checkContainer, getArgumentsAsString, getEndPosition, getIndention, getLength, getLevel, getParent, getPosition, getSource, isLegalAncestor, isLegalAncestor, parseArguments, setLength, setLevel, setParent

Methods inherited from class java.lang.Object

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

Field Detail

ancestorRules

public static final TokenAncestor[] ancestorRules

The ancestor rules.

Constructor Detail

ElseToken

public ElseToken()

Constructs a ElseToken instance with no specific attributes.

Method Detail

getTokenName

public String getTokenName()

Gets the token name.

Overrides:

getTokenName in class TemplateToken

Returns:

The token name.

getAncestorRules

public TokenAncestor[] getAncestorRules()

Gets the ancestor rules for this template.

Overrides:

getAncestorRules in class TemplateToken

Returns:

An array of template ancestors.

initialize

public void initialize(BaseTemplateInterpreter interpreter,
                       char[] source,
                       int position,
                       int length)
                throws TemplateException

Initializes the token.

Overrides:

initialize in class TemplateToken

Parameters:

interpreter - The template interpreter.

source - The source code.

position - The start position.

length - The length of the interresting area.

Throws:

TemplateException - In case the initialization failed.

setArgument

public void setArgument(Operand argument,
                        int idx)
                 throws StatementException

Sets an argument.

Specified by:

setArgument in class TemplateToken

Parameters:

argument - The argument to set.

idx - The argument index.

Throws:

StatementException - In case the given argument is not valid.

isTrue

public boolean isTrue(TemplateContext ctx)
               throws ExpressionException

Tells whether or not the condition is true.

Specified by:

isTrue in class BaseConditionToken

Parameters:

ctx - The template context.

Returns:

true or false.

Throws:

ExpressionException - If the token could not be successfuly executed.

getRootCondition

public BaseConditionToken getRootCondition()

Gets the root condition.

Specified by:

getRootCondition in class BaseConditionToken

Returns:

The root condition of the current condition.

toString

public String toString()

Overrides:

toString in class TemplateTokenContainer

See Also:

Object.toString()

cloneToken

protected TemplateToken cloneToken(BaseTemplateInterpreter interpreter,
                                   TemplateTokenContainer parent)

Clones the token for caching reasons.

Specified by:

cloneToken in class TemplateToken

Parameters:

interpreter - The interpreter to use.

parent - The actual parent in the cloned object tree.

Returns:

The clone.