Package com.adobe.granite.ui.components

Class ExpressionHelper

java.lang.Object

com.adobe.granite.ui.components.ExpressionHelper

public class ExpressionHelper
extends Object

A helper to deal with EL easier.

Constructor Summary

Constructors

Constructor	Description
ExpressionHelper(ExpressionResolver resolver, PageContext pageContext)
ExpressionHelper(ExpressionResolver resolver, SlingHttpServletRequest servletRequest)

Method Summary

Modifier and Type	Method	Description
<T> T	get(String expression, Class<T> expectedType)	Resolves the given expression.
<T> T	get(String expression, Locale locale, Class<T> expectedType)	Resolves the given expression, with the given locale.
boolean	getBoolean(String expression)	Resolves the given expression as boolean.
boolean	getBoolean(String expression, Locale locale)	Resolves the given expression as boolean, with the given locale.
String	getString(String expression)	Resolves the given expression as string.
String	getString(String expression, Locale locale)	Resolves the given expression as string, with the given locale.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ExpressionHelper

public ExpressionHelper(@Nonnull
 ExpressionResolver resolver,
 @Nonnull
 PageContext pageContext)

ExpressionHelper

public ExpressionHelper(@Nonnull
 ExpressionResolver resolver,
 @Nonnull
 SlingHttpServletRequest servletRequest)

Method Details

getString

public String getString(@CheckForNull
 String expression)

Resolves the given expression as string. Request's locale will be used.

Parameters:

expression - the expression to be resolved

Returns:

the resolved expression as a string, or null when expression is

getString

public String getString(@CheckForNull
 String expression,
 @Nonnull
 Locale locale)

Resolves the given expression as string, with the given locale.

Parameters:

expression - the expression to be resolved

locale - the locale

Returns:

the resolved expression as a string, or null when expression is

getBoolean

public boolean getBoolean(@CheckForNull
 String expression)

Resolves the given expression as boolean. Request's locale will be used.

Parameters:

expression - the expression to be resolved

Returns:

the resolved expression as a boolean, or null when expression is

getBoolean

public boolean getBoolean(@CheckForNull
 String expression,
 @Nonnull
 Locale locale)

Resolves the given expression as boolean, with the given locale.

Parameters:

expression - the expression to be resolved

locale - the locale

Returns:

the resolved expression as a boolean, or null when expression is

get

public <T> T get(@CheckForNull
 String expression,
 @Nonnull
 Class<T> expectedType)

Resolves the given expression. Request's locale will be used.

Type Parameters:

T - the type of the resolved expression

Parameters:

expression - the expression to be resolved

expectedType - the expected type of the resolved expression

Returns:

the resolved expression, or null when expression is

get

public <T> T get(@CheckForNull
 String expression,
 @Nonnull
 Locale locale,
 @Nonnull
 Class<T> expectedType)

Resolves the given expression, with the given locale.

Type Parameters:

T - the type of the resolved expression

Parameters:

expression - the expression to be resolved

locale - the locale

expectedType - the expected type of the resolved expression

Returns:

the resolved expression, or null when expression is