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com.sun.facelets.el
Class ELText  

java.lang.Object
  com.sun.facelets.el.ELText

Direct Known Subclasses:

ELText.ELTextComposite, ELText.ELTextVariable

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public class ELText

extends java.lang.Object

Handles parsing EL Strings in accordance with the EL-API Specification. The parser accepts either ${..} or #{..}.

Version:

$Id: ELText.java,v 1.5 2006/05/09 06:25:39 jhook Exp $

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Nested Class Summary
private static class	ELText.ELTextComposite
private static class	ELText.ELTextVariable
private static class	ELText.LiteralValueExpression

 

Field Summary
protected  java.lang.String	literal

 

Constructor Summary

ELText(java.lang.String literal)

 

Method Summary
ELText	apply(ExpressionFactory factory, ELContext ctx)           Return an instance of this that is applicable given the ELContext and ExpressionFactory state.
private static int	findVarLength(char[] ca, int s)
boolean	isLiteral()           If it's literal text
static boolean	isLiteral(java.lang.String in)           Parses the passed string to determine if it's literal or not
static ELText	parse(ExpressionFactory fact, ELContext ctx, java.lang.String in)           Factory method for creating a validated ELText instance.
static ELText	parse(java.lang.String in)           Factory method for creating an unvalidated ELText instance.
java.lang.String	toString()           Convert this Object to a human-readable String.
java.lang.String	toString(ELContext ctx)           Evaluates the ELText to a String
void	write(java.io.Writer out, ELContext ctx)           Allow this instance to write to the passed Writer, given the ELContext state
void	writeText(javax.faces.context.ResponseWriter out, ELContext ctx)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

literal

protected final java.lang.String literal

Constructor Detail

ELText

public ELText(java.lang.String literal)

Method Detail

isLiteral

public boolean isLiteral()

If it's literal text

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apply

public ELText apply(ExpressionFactory factory,
                    ELContext ctx)

Return an instance of this that is applicable given the ELContext and ExpressionFactory state.

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write

public void write(java.io.Writer out,
                  ELContext ctx)
           throws ELException,
                  java.io.IOException

Allow this instance to write to the passed Writer, given the ELContext state

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writeText

public void writeText(javax.faces.context.ResponseWriter out,
                      ELContext ctx)
               throws ELException,
                      java.io.IOException

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toString

public java.lang.String toString(ELContext ctx)
                          throws ELException

Evaluates the ELText to a String

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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isLiteral

public static boolean isLiteral(java.lang.String in)

Parses the passed string to determine if it's literal or not

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parse

public static ELText parse(java.lang.String in)
                    throws ELException

Factory method for creating an unvalidated ELText instance. NOTE: All expressions in the passed String are treated as LiteralValueExpressions.

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parse

public static ELText parse(ExpressionFactory fact,
                           ELContext ctx,
                           java.lang.String in)
                    throws ELException

Factory method for creating a validated ELText instance. When an Expression is hit, it will use the ExpressionFactory to create a ValueExpression instance, resolving any functions at that time.

Variables and properties will not be evaluated.

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findVarLength

private static int findVarLength(char[] ca,
                                 int s)
                          throws ELException

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