com.adobe.granite.ui.components

Class ExpressionHelper

java.lang.Object

com.adobe.granite.ui.components.ExpressionHelper

public class ExpressionHelper
extends java.lang.Object

A helper to deal with EL easier.

Constructor Summary

Constructors

Constructor and Description
ExpressionHelper(ExpressionResolver resolver, javax.servlet.jsp.PageContext pageContext)
ExpressionHelper(ExpressionResolver resolver, SlingHttpServletRequest servletRequest)

Method Summary

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

ExpressionHelper

public ExpressionHelper(@Nonnull
                        ExpressionResolver resolver,
                        @Nonnull
                        javax.servlet.jsp.PageContext pageContext)

ExpressionHelper

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

Method Detail

getString

public java.lang.String getString(@CheckForNull
                                  java.lang.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 java.lang.String getString(@CheckForNull
                                  java.lang.String expression,
                                  @Nonnull
                                  java.util.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
                          java.lang.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
                          java.lang.String expression,
                          @Nonnull
                          java.util.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
                 java.lang.String expression,
                 @Nonnull
                 java.lang.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
                 java.lang.String expression,
                 @Nonnull
                 java.util.Locale locale,
                 @Nonnull
                 java.lang.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