cat.albirar.template.engine.registry

Class TemplateEngineRegistryDefaultImpl

java.lang.Object

cat.albirar.template.engine.registry.TemplateEngineRegistryDefaultImpl

All Implemented Interfaces:

ITemplateEngineFactory, IEngineRender, ITemplateEngineRegistry

@Service
public class TemplateEngineRegistryDefaultImpl
extends Object
implements ITemplateEngineRegistry, ITemplateEngineFactory

A default registry for ITemplateEngine. Any template engine should to be registered with register(ITemplateEngine) method.

Since:

2.2.0

Author:

Octavi Fornés <ofornes@albirar.cat>

Constructor Summary

Constructors

Constructor and Description
TemplateEngineRegistryDefaultImpl()

Method Summary

Modifier and Type	Method and Description
List<String>	getRegisteredTemplateLanguages() Return an immutable list of registered template engine languages.
Optional<ITemplateEngine>	getTemplateEngine(@NotBlank String templateLanguage) Get the template engine associated with the indicated templateLanguage.
void	register(@NotNull @Valid ITemplateEngine templateEngine) Register a new templateEngine for use.
String	renderTemplate(@NotNull @Valid TemplateInstanceBean template) Render the indicated template without variables to generate output.

Methods inherited from class java.lang.Object

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

Constructor Detail

TemplateEngineRegistryDefaultImpl

public TemplateEngineRegistryDefaultImpl()

Method Detail

getTemplateEngine

public Optional<ITemplateEngine> getTemplateEngine(@NotBlank
                                                   @NotBlank String templateLanguage)

Get the template engine associated with the indicated templateLanguage.

Specified by:

getTemplateEngine in interface ITemplateEngineFactory

Parameters:

templateLanguage - The template language, is a text literal that identify uniquely a template engine, by example: thymeleaf, velocity, mustache, etc.

Returns:

The template engine or Optional.empty() if no template engine was found for the indicated templateLanguage

getRegisteredTemplateLanguages

public List<String> getRegisteredTemplateLanguages()

Return an immutable list of registered template engine languages.

Specified by:

getRegisteredTemplateLanguages in interface ITemplateEngineFactory

Returns:

A list, not null but can be empty, with the registered template engine languages

register

public void register(@NotNull @Valid
                     @NotNull @Valid ITemplateEngine templateEngine)

Register a new templateEngine for use. ATENTION If another template engine was configured with same template language, this one overwrites the previously registered.

Specified by:

register in interface ITemplateEngineRegistry

Parameters:

templateEngine - The template engine

renderTemplate

public String renderTemplate(@NotNull @Valid
                             @NotNull @Valid TemplateInstanceBean template)

Render the indicated template without variables to generate output.

Specified by:

renderTemplate in interface IEngineRender

Parameters:

template - The template definition

Returns:

The resulting template rendered