com.github.jknack.handlebars.helper
Class UnlessHelper

java.lang.Object
  com.github.jknack.handlebars.helper.UnlessHelper

All Implemented Interfaces:

Helper<Object>

public class UnlessHelper
extends Object
implements Helper<Object>

You can use the unless helper as the inverse of the if helper. Its block will be rendered if the expression returns a falsy value.

Since:

0.3.0

Author:

edgar.espina

Field Summary

static Helper<Object>	INSTANCE A singleton instance of this helper.
static String	NAME The helper's name.

Constructor Summary

UnlessHelper()

Method Summary

CharSequence

apply(Object context, Options options) Callback method for execute the given method.

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

UnlessHelper

public UnlessHelper()

Method Detail

apply

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

Description copied from interface: Helper

Callback method for execute the given method.

Specified by:

apply in interface Helper<Object>

Parameters:

context - The context object (param=0).

options - The options object.

Returns:

A string result.

Throws:

IOException - If a template cannot be loaded.