io.vertx.ext.web.templ.handlebars

## Interface HandlebarsTemplateEngine

- All Superinterfaces:
    TemplateEngine
  All Known Subinterfaces:
    HandlebarsTemplateEngine

      public interface HandlebarsTemplateEngine
      extends TemplateEngine

  A template engine that uses the Handlebars library.
  Author:
    Tim Fox

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static int` | `DEFAULT_MAX_CACHE_SIZE` Default max number of templates to cache
    `static String` | `DEFAULT_TEMPLATE_EXTENSION` Deprecated.

  - ### Method Summary

    All Methods Static Methods Instance Methods Abstract Methods Default Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `static HandlebarsTemplateEngine` | `create(Vertx vertx)` Create a template engine using defaults
    `com.github.jknack.handlebars.Handlebars` | `getHandlebars()` Get a reference to the internal Handlebars object so it can be configured.
    `com.github.jknack.handlebars.ValueResolver[]` | `getResolvers()` Return the array of configured handlebars context value resolvers.
    `HandlebarsTemplateEngine` | `setExtension(String extension)` Deprecated. as a user you should use filename with extensions on the render method instead of relying on this method to suffix your filenames. Using this method is quite an opinionated API and has the side effect that you cannot use files without extensions as templates. Set the extension for the engine
    `HandlebarsTemplateEngine` | `setMaxCacheSize(int maxCacheSize)` Set the max cache size for the engine
    `HandlebarsTemplateEngine` | `setResolvers(com.github.jknack.handlebars.ValueResolver... resolvers)` Set the array of handlebars context value resolvers.

    - ### Methods inherited from interface io.vertx.ext.web.common.template.TemplateEngine

      `isCachingEnabled, render, render`

- - ### Field Detail

    - #### DEFAULT_MAX_CACHE_SIZE

          static final int DEFAULT_MAX_CACHE_SIZE

      Default max number of templates to cache
      See Also:
        Constant Field Values

    - #### DEFAULT_TEMPLATE_EXTENSION

          @Deprecated
          static final String DEFAULT_TEMPLATE_EXTENSION

      Deprecated.
      Default template extension
      See Also:
        Constant Field Values

  - ### Method Detail

    - #### create

          static HandlebarsTemplateEngine create(Vertx vertx)

      Create a template engine using defaults
      Returns:
        the engine

    - #### setExtension

          @Deprecated
          HandlebarsTemplateEngine setExtension(String extension)

      Deprecated. as a user you should use filename with extensions on the render method instead of relying on this method to suffix your filenames. Using this method is quite an opinionated API and has the side effect that you cannot use files without extensions as templates. Set the extension for the engine
      Parameters:
        `extension` - the extension
      Returns:
        a reference to this for fluency

    - #### setMaxCacheSize

          HandlebarsTemplateEngine setMaxCacheSize(int maxCacheSize)

      Set the max cache size for the engine
      Parameters:
        `maxCacheSize` - the maxCacheSize
      Returns:
        a reference to this for fluency

    - #### getHandlebars

          com.github.jknack.handlebars.Handlebars getHandlebars()

      Get a reference to the internal Handlebars object so it can be configured.
      Returns:
        a reference to the internal Handlebars instance.

    - #### getResolvers

          com.github.jknack.handlebars.ValueResolver[] getResolvers()

      Return the array of configured handlebars context value resolvers.
      Returns:
        array of configured resolvers

    - #### setResolvers

          HandlebarsTemplateEngine setResolvers(com.github.jknack.handlebars.ValueResolver... resolvers)

      Set the array of handlebars context value resolvers.
      Parameters:
        `resolvers` - the value resolvers to be used
      Returns:
        a reference to the internal Handlebars instance.

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