com.github.jknack.handlebars.helper

Class IfHelper

java.lang.Object

com.github.jknack.handlebars.helper.IfHelper

All Implemented Interfaces:

Helper<Object>

public class IfHelper
extends Object
implements Helper<Object>

You can use the if helper to conditionally render a block. If its argument returns false, null or empty list/array (a "falsy" value), Handlebars will not render the block.

Since:

0.3.0

Author:

edgar.espina

Field Summary

Fields

Modifier and Type	Field and Description
static Helper<Object>	INSTANCE A singleton instance of this helper.
static String	NAME The helper's name.

Constructor Summary

Constructors

Constructor and Description
IfHelper()

Method Summary

Modifier and Type	Method and Description
Object	apply(Object context, Options options) Apply the helper to the context.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final Helper<Object> INSTANCE

A singleton instance of this helper.

NAME

public static final String NAME

The helper's name.

See Also:

Constant Field Values

Constructor Detail

IfHelper

public IfHelper()

Method Detail

apply

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

Description copied from interface: Helper

Apply the helper to the context.

Specified by:

apply in interface Helper<Object>

Parameters:

context - The context object.

options - The options object.

Returns:

A string result.

Throws:

IOException - If a template cannot be loaded.