Class DefaultHelperRegistry

java.lang.Object
com.github.jknack.handlebars.helper.DefaultHelperRegistry
All Implemented Interfaces:
HelperRegistry

@Deprecated(since="2024-07-10") public class DefaultHelperRegistry extends Object implements HelperRegistry
Deprecated.
com.github.jknack.handlebars.helper package is deprecated and marked for removal in subsequent releases which will involve removal of the handlebars dependency in AEM.
Default implementation of HelperRegistry.
Since:
1.2.0
  • Constructor Details

    • DefaultHelperRegistry

      public DefaultHelperRegistry()
      Deprecated.
  • Method Details

    • helper

      public <C> Helper<C> helper(String name)
      Deprecated.
      Description copied from interface: HelperRegistry
      Find a helper by name.
      Specified by:
      helper in interface HelperRegistry
      Type Parameters:
      C - The helper runtime type.
      Parameters:
      name - The helper's name. Required.
      Returns:
      A helper or null if it's not found.
    • registerHelper

      public <H> HelperRegistry registerHelper(String name, Helper<H> helper)
      Deprecated.
      Description copied from interface: HelperRegistry
      Register a helper in the helper registry.
      Specified by:
      registerHelper in interface HelperRegistry
      Type Parameters:
      H - The helper runtime type.
      Parameters:
      name - The helper's name. Required.
      helper - The helper object. Required.
      Returns:
      This handlebars.
    • registerHelperMissing

      public <H> HelperRegistry registerHelperMissing(Helper<H> helper)
      Deprecated.
      Description copied from interface: HelperRegistry
      Register the special helper missing in the registry.
      Specified by:
      registerHelperMissing in interface HelperRegistry
      Type Parameters:
      H - The helper runtime type.
      Parameters:
      helper - The helper object. Required.
      Returns:
      This handlebars.
    • registerHelpers

      public HelperRegistry registerHelpers(Object helperSource)
      Deprecated.
      Description copied from interface: HelperRegistry

      Register all the helper methods for the given helper source.

      A helper method looks like:

       public static? CharSequence methodName(context?, parameter*, options?) {
       }
       
      Where:
      • A method can/can't be static
      • The method's name became the helper's name
      • Context, parameters and options are all optional
      • If context and options are present they must be the first and last method arguments.
      Instance and static methods will be registered as helpers.
      Specified by:
      registerHelpers in interface HelperRegistry
      Parameters:
      helperSource - The helper source. Required.
      Returns:
      This handlebars object.
    • registerHelpers

      public HelperRegistry registerHelpers(Class<?> helperSource)
      Deprecated.
      Description copied from interface: HelperRegistry

      Register all the helper methods for the given helper source.

      A helper method looks like:

       public static? CharSequence methodName(context?, parameter*, options?) {
       }
       
      Where:
      • A method can/can't be static
      • The method's name became the helper's name
      • Context, parameters and options are all optional
      • If context and options are present they must be the first and last method arguments.
      Only static methods will be registered as helpers.

      Enums are supported too

      Specified by:
      registerHelpers in interface HelperRegistry
      Parameters:
      helperSource - The helper source. Enums are supported. Required.
      Returns:
      This handlebars object.
    • registerHelpers

      public HelperRegistry registerHelpers(URI location) throws Exception
      Deprecated.
      Description copied from interface: HelperRegistry

      Register helpers from a JavaScript source.

      A JavaScript source file looks like:

        Handlebars.registerHelper('hey', function (context) {
          return 'Hi ' + context.name;
        });
        ...
        Handlebars.registerHelper('hey', function (context, options) {
          return 'Hi ' + context.name + options.hash['x'];
        });
        ...
        Handlebars.registerHelper('hey', function (context, p1, p2, options) {
          return 'Hi ' + context.name + p1 + p2 + options.hash['x'];
        });
        ...
       
      To keep your helpers reusable between server and client avoid DOM manipulation.
      Specified by:
      registerHelpers in interface HelperRegistry
      Parameters:
      location - A classpath location. Required.
      Returns:
      This handlebars object.
      Throws:
      Exception - If the JavaScript helpers can't be registered.
    • registerHelpers

      public HelperRegistry registerHelpers(File input) throws Exception
      Deprecated.
      Description copied from interface: HelperRegistry

      Register helpers from a JavaScript source.

      A JavaScript source file looks like:

        Handlebars.registerHelper('hey', function (context) {
          return 'Hi ' + context.name;
        });
        ...
        Handlebars.registerHelper('hey', function (context, options) {
          return 'Hi ' + context.name + options.hash['x'];
        });
        ...
        Handlebars.registerHelper('hey', function (context, p1, p2, options) {
          return 'Hi ' + context.name + p1 + p2 + options.hash['x'];
        });
        ...
       
      To keep your helpers reusable between server and client avoid DOM manipulation.
      Specified by:
      registerHelpers in interface HelperRegistry
      Parameters:
      input - A JavaScript file name. Required.
      Returns:
      This handlebars object.
      Throws:
      Exception - If the JavaScript helpers can't be registered.
    • registerHelpers

      public HelperRegistry registerHelpers(String filename, Reader source) throws Exception
      Deprecated.
      Description copied from interface: HelperRegistry

      Register helpers from a JavaScript source.

      A JavaScript source file looks like:

        Handlebars.registerHelper('hey', function (context) {
          return 'Hi ' + context.name;
        });
        ...
        Handlebars.registerHelper('hey', function (context, options) {
          return 'Hi ' + context.name + options.hash['x'];
        });
        ...
        Handlebars.registerHelper('hey', function (context, p1, p2, options) {
          return 'Hi ' + context.name + p1 + p2 + options.hash['x'];
        });
        ...
       
      To keep your helpers reusable between server and client avoid DOM manipulation.
      Specified by:
      registerHelpers in interface HelperRegistry
      Parameters:
      filename - The file name (just for debugging purpose). Required.
      source - The JavaScript source. Required.
      Returns:
      This handlebars object.
      Throws:
      Exception - If the JavaScript helpers can't be registered.
    • registerHelpers

      public HelperRegistry registerHelpers(String filename, InputStream source) throws Exception
      Deprecated.
      Description copied from interface: HelperRegistry

      Register helpers from a JavaScript source.

      A JavaScript source file looks like:

        Handlebars.registerHelper('hey', function (context) {
          return 'Hi ' + context.name;
        });
        ...
        Handlebars.registerHelper('hey', function (context, options) {
          return 'Hi ' + context.name + options.hash['x'];
        });
        ...
        Handlebars.registerHelper('hey', function (context, p1, p2, options) {
          return 'Hi ' + context.name + p1 + p2 + options.hash['x'];
        });
        ...
       
      To keep your helpers reusable between server and client avoid DOM manipulation.
      Specified by:
      registerHelpers in interface HelperRegistry
      Parameters:
      filename - The file name (just for debugging purpose). Required.
      source - The JavaScript source. Required.
      Returns:
      This handlebars object.
      Throws:
      Exception - If the JavaScript helpers can't be registered.
    • registerHelpers

      public HelperRegistry registerHelpers(String filename, String source) throws IOException
      Deprecated.
      Description copied from interface: HelperRegistry

      Register helpers from a JavaScript source.

      A JavaScript source file looks like:

        Handlebars.registerHelper('hey', function (context) {
          return 'Hi ' + context.name;
        });
        ...
        Handlebars.registerHelper('hey', function (context, options) {
          return 'Hi ' + context.name + options.hash['x'];
        });
        ...
        Handlebars.registerHelper('hey', function (context, p1, p2, options) {
          return 'Hi ' + context.name + p1 + p2 + options.hash['x'];
        });
        ...
       
      To keep your helpers reusable between server and client avoid DOM manipulation.
      Specified by:
      registerHelpers in interface HelperRegistry
      Parameters:
      filename - The file name (just for debugging purpose). Required.
      source - The JavaScript source. Required.
      Returns:
      This registry.
      Throws:
      IOException - If the JavaScript helpers can't be registered.
    • helpers

      public Set<Map.Entry<String,Helper<?>>> helpers()
      Deprecated.
      Description copied from interface: HelperRegistry
      List all the helpers from registry.
      Specified by:
      helpers in interface HelperRegistry
      Returns:
      Available helpers in the registry.
    • decorator

      public Decorator decorator(String name)
      Deprecated.
      Description copied from interface: HelperRegistry
      Find a decorator by name.
      Specified by:
      decorator in interface HelperRegistry
      Parameters:
      name - A decorator's name.
      Returns:
      A decorator or null.
    • registerDecorator

      public HelperRegistry registerDecorator(String name, Decorator decorator)
      Deprecated.
      Description copied from interface: HelperRegistry
      Register a decorator and make it accessible via HelperRegistry.decorator(String).
      Specified by:
      registerDecorator in interface HelperRegistry
      Parameters:
      name - A decorator's name. Required.
      decorator - A decorator. Required.
      Returns:
      This registry.
    • setCharset

      public DefaultHelperRegistry setCharset(Charset charset)
      Deprecated.
      Description copied from interface: HelperRegistry
      Set the charset to use.
      Specified by:
      setCharset in interface HelperRegistry
      Parameters:
      charset - Charset.
      Returns:
      This registry.