JavaServer Pages, 3rd Edition

Name

VariableInfo

Synopsis

VariableInfo instances are created by TagExtraInfo subclasses to describe each scripting variable that the corresponding tag handler class creates.

Synopsis

Class name:	javax.servlet.jsp.tagext.VariableInfo
Extends:	None
Implements:	None
Implemented by:	Internal container-dependent class; most containers use the reference implementation of the class (developed in the Apache Jakarta project)

Fields

public static final int AT_BEGIN
public static final int AT_END
public static final int NESTED

Constructor

public VariableInfo(String varName, String className, boolean declare, int scope)

Creates a new instance with the specified values.

Methods

public String getClassName( )

Returns the scripting variable Java type.

public boolean getDeclare( )

Returns true if the JSP container should create a declaration statement for the scripting variable. It returns false if the variable has already been declared by another tag handler and is only updated by the tag handler corresponding to the TagExtraInfo subclass creating this VariableInfo instance. If so, the JSP container assigns the new value to the existing variable.

public int getScope( )

Returns one of AT_BEGIN (make the scripting variable available from the start tag to the end of the JSP page), AT_END (make the variable available after the end tag to the end of the JSP page), or NESTED (make the variable available only between the start and the stop tag.

public String getVarName( )

Returns the variable name. ...