Package nz.net.ultraq.thymeleaf.layoutdialect.context.extensions

Class IContextExtensions

java.lang.Object

nz.net.ultraq.thymeleaf.layoutdialect.context.extensions.IContextExtensions

public class IContextExtensions
extends Object

Meta-programming extensions to the IContext class.

Author:

Emanuel Rabina

Constructor Summary

Constructors

Constructor	Description
IContextExtensions()

Method Summary

Modifier and Type	Method	Description
static Object	getAt(IContext self, String name)	Enables use of the value = context[key] syntax over the context object, is a synonym for the getVariable method.
static <T> T	getOrCreate(IContext self, String key, Supplier<T> closure)	Retrieves an item from the context, or creates one on the context if it doesn't yet exist.
static String	getPrefixForDialect(IContext self, Class<? extends IProcessorDialect> dialectClass)	Returns the configured prefix for the given dialect.
static void	putAt(IContext self, String name, Object value)	Enables use of the context[key] = value syntax over the context object, is a synonym for the setVariable method.

Methods inherited from class java.lang.Object

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

Constructor Detail

IContextExtensions

public IContextExtensions()

Method Detail

getAt

public static Object getAt(IContext self,
                           String name)

Enables use of the value = context[key] syntax over the context object, is a synonym for the getVariable method.

Parameters:

self -

name - Name of the variable on the context to retrieve.

Returns:

The variable value, or null if the variable isn't mapped to anything on the context.

getOrCreate

public static <T> T getOrCreate(@Nonnull
                                IContext self,
                                @Nonnull
                                String key,
                                Supplier<T> closure)

Retrieves an item from the context, or creates one on the context if it doesn't yet exist.

Type Parameters:

T -

Parameters:

self -

key -

closure -

Returns:

The item cached on the context through the given key, or first constructed through the closure.

getPrefixForDialect

public static String getPrefixForDialect(@Nonnull
                                         IContext self,
                                         Class<? extends IProcessorDialect> dialectClass)

Returns the configured prefix for the given dialect. If the dialect prefix has not been configured.

Parameters:

self -

dialectClass -

Returns:

The configured prefix for the dialect, or null if the dialect being queried hasn't been configured.

putAt

public static void putAt(IContext self,
                         String name,
                         Object value)

Enables use of the context[key] = value syntax over the context object, is a synonym for the setVariable method.

Parameters:

self -

name - Name of the variable to map the value to.

value - The value to set.