Package org.apache.logging.log4j.layout.template.json.resolver

Interface TemplateResolverInterceptor<V,C extends org.apache.logging.log4j.layout.template.json.resolver.TemplateResolverContext<V,C>>

Type Parameters:

V - type of the value passed to the resolver

C - type of the context employed

All Known Subinterfaces:

EventResolverInterceptor

All Known Implementing Classes:

EventAdditionalFieldInterceptor, EventRootObjectKeyInterceptor

public interface TemplateResolverInterceptor<V,C extends org.apache.logging.log4j.layout.template.json.resolver.TemplateResolverContext<V,C>>

Main TemplateResolver compilation interception interface.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CATEGORY	Main plugin category for TemplateResolverInterceptor implementations.

Method Summary

Modifier and Type	Method	Description
Class<C>	getContextClass()	The targeted TemplateResolverContext class.
Class<V>	getValueClass()	The targeted value class.
default Object	processTemplateBeforeResolverInjection(C context, Object node)	Intercept the read template before compiler (i.e., TemplateResolvers.ofTemplate(TemplateResolverContext, String) starts injecting resolvers.

Field Details

CATEGORY

static final String CATEGORY

Main plugin category for TemplateResolverInterceptor implementations.

See Also:

• Constant Field Values

Method Details

getValueClass

Class<V> getValueClass()

The targeted value class.

getContextClass

Class<C> getContextClass()

The targeted TemplateResolverContext class.

processTemplateBeforeResolverInjection

default Object processTemplateBeforeResolverInjection(C context,
 Object node)

Intercept the read template before compiler (i.e., TemplateResolvers.ofTemplate(TemplateResolverContext, String) starts injecting resolvers.

This is the right place to introduce, say, contextual additional fields.

Parameters:

node - the root object of the read template

Returns:

the root object of the template to be compiled