Jackson2Helper (A Jackson 2.x helper 4.1.1 API)

public class Jackson2Helper
extends Object
implements Helper<Object>

A Jackson 2.x helper.

Basic usage:

  Handlebars hbs = new Handlebars();

  hbs.registerHelper("json", Jackson2Helper.INSTANCE);

  ...

  {{json model}}

If model is null an empty string is returned.

You can change this using the default option:

  {{json model default="{}"}}

Using a view class:

  {{json model view="foo.MyView"}}

Using alias for views:

  {{json model view="myView"}}

Escape HTML chars:

  {{json model escapeHtml=true}}

Pretty printer:

  {{json model pretty=true}}

Fields
Modifier and Type	Field and Description
`static Helper<Object>`	`INSTANCE` A singleton version of `Jackson2Helper`.

Constructors
Constructor and Description
`Jackson2Helper(com.fasterxml.jackson.databind.ObjectMapper objectMapper)` Creates a new `Jackson2Helper`.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Object`	`apply(Object context, Options options)`
`Jackson2Helper`	`viewAlias(String alias, Class<?> viewClass)` Add an alias for the given view class.

public Object apply(Object context,
                    Options options)
             throws IOException

Class Jackson2Helper