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org.apache.tiles
Class Expression

java.lang.Object
  org.apache.tiles.Expression

public class Expression
extends Object

It is an expression, along with the expression language (e.g. EL, MVEL, OGNL) it is expressed with.

Since:

2.2.0

Version:

$Rev: 788032 $ $Date: 2009-06-24 16:08:32 +0200 (mer, 24 giu 2009) $

Constructor Summary

Expression(Expression toCopy)
Copy constructor.

Expression(String expression)
Constructor, using the default (i.e.

Expression(String expression, String language)
Constructor.

Method Summary

static Expression	createExpression(String expression, String language) Creates an Expression object from the expression and its language.
static Expression	createExpressionFromDescribedExpression(String describedExpression) Creates an Expression object from a string in the form LANGUAGE:EXPRESSION.
boolean	equals(Object obj)
String	getExpression() Returns the expression string.
String	getLanguage() Returns the language in which the expression is expressed.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Expression

public Expression(String expression,
                  String language)

Constructor.

Parameters:

expression - The expression itself.

language - The language of the expression.

Since:

2.2.0

Expression

public Expression(String expression)

Constructor, using the default (i.e. null) language.

Parameters:

expression - The expression itself.

Since:

2.2.0

Expression

public Expression(Expression toCopy)

Copy constructor.

Parameters:

toCopy - The expression to copy.

Since:

2.2.0

Method Detail

createExpressionFromDescribedExpression

public static Expression createExpressionFromDescribedExpression(String describedExpression)

Creates an Expression object from a string in the form LANGUAGE:EXPRESSION.

Parameters:

describedExpression - The expression in the form LANGUAGE:EXPRESSION. The LANGUAGE part should be expressed only with letters and numbers.

Returns:

The created object, or null if the expression is null.

Since:

2.2.0

createExpression

public static Expression createExpression(String expression,
                                          String language)

Creates an Expression object from the expression and its language.

Parameters:

expression - The expression itself.

language - The language of the expression.

Returns:

The created object, or null if the expression is null.

Since:

2.2.0

getExpression

public String getExpression()

Returns the expression string.

Returns:

The expression itself.

Since:

2.2.0

getLanguage

public String getLanguage()

Returns the language in which the expression is expressed.

Returns:

The expression language.

Since:

2.2.0

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object