org.trimou.handlebars

Class IsHelper

java.lang.Object

org.trimou.engine.config.AbstractConfigurationAware

org.trimou.handlebars.AbstractHelper

org.trimou.handlebars.BasicHelper

org.trimou.handlebars.BasicValueHelper

org.trimou.handlebars.IsHelper

All Implemented Interfaces:

ConfigurationAware, Helper

public class IsHelper
extends BasicValueHelper

Renders the second param if the first param is not falsy, or (optionally, i.e. if set) the third param. Note that params do not have to be string literals. {{is item.active "active"}} {{is item.active "active" "notActive"}}

Author:

Martin Kouba

See Also:

Checker.isFalsy(Object)

Field Summary

Fields inherited from class org.trimou.handlebars.BasicValueHelper

VALUE_TAG_TYPES

Fields inherited from class org.trimou.handlebars.BasicHelper

HELPER_TAG_TYPES, NO_SUPPORTED_HASH_KEYS

Fields inherited from class org.trimou.engine.config.AbstractConfigurationAware

configuration

Constructor Summary

Constructors

Constructor and Description
IsHelper()

Method Summary

Modifier and Type	Method and Description
void	execute(Options options) Execute the helper.
protected com.google.common.base.Optional<Set<String>>	getSupportedHashKeys()
protected int	numberOfRequiredParameters()

Methods inherited from class org.trimou.handlebars.BasicValueHelper

allowedTagTypes

Methods inherited from class org.trimou.handlebars.BasicHelper

numberOfRequiredHashEntries, validate

Methods inherited from class org.trimou.handlebars.AbstractHelper

append, getHashValue, init, isSection, isUnescapeVariable, isVariable

Methods inherited from class org.trimou.engine.config.AbstractConfigurationAware

getConfigurationKeys, checkNotInitialized, init

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.trimou.engine.config.ConfigurationAware

getConfigurationKeys, init

Constructor Detail

IsHelper

public IsHelper()

Method Detail

numberOfRequiredParameters

protected int numberOfRequiredParameters()

Overrides:

numberOfRequiredParameters in class BasicHelper

execute

public void execute(Options options)

Description copied from interface: Helper

Execute the helper.

getSupportedHashKeys

protected com.google.common.base.Optional<Set<String>> getSupportedHashKeys()

Overrides:

getSupportedHashKeys in class BasicHelper

Returns:

the supported hash keys