com.google.auto.service.processor

Class AutoServiceProcessor

java.lang.Object

javax.annotation.processing.AbstractProcessor

com.google.auto.service.processor.AutoServiceProcessor

All Implemented Interfaces:

Processor

@SupportedOptions(value={"debug","verify"})
public class AutoServiceProcessor
extends AbstractProcessor

Processes AutoService annotations and generates the service provider configuration files described in ServiceLoader.

Processor Options:

• debug - turns on debug statements

Field Summary

Fields inherited from class javax.annotation.processing.AbstractProcessor

processingEnv

Constructor Summary

Constructors

Constructor and Description
AutoServiceProcessor()

Method Summary

Modifier and Type	Method and Description
com.google.common.collect.ImmutableSet<String>	getSupportedAnnotationTypes()
SourceVersion	getSupportedSourceVersion()
boolean	process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) For each class annotated with AutoService Verify the AutoService interface value is correct Categorize the class by its service interface For each AutoService interface Create a file named META-INF/services/<interface> For each AutoService annotated class for this interface Create an entry in the file

Methods inherited from class javax.annotation.processing.AbstractProcessor

getCompletions, getSupportedOptions, init, isInitialized

Methods inherited from class java.lang.Object

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

Constructor Detail

AutoServiceProcessor

public AutoServiceProcessor()

Method Detail

getSupportedAnnotationTypes

public com.google.common.collect.ImmutableSet<String> getSupportedAnnotationTypes()

Specified by:

getSupportedAnnotationTypes in interface Processor

Overrides:

getSupportedAnnotationTypes in class AbstractProcessor

getSupportedSourceVersion

public SourceVersion getSupportedSourceVersion()

Specified by:

getSupportedSourceVersion in interface Processor

Overrides:

getSupportedSourceVersion in class AbstractProcessor

process

public boolean process(Set<? extends TypeElement> annotations,
                       RoundEnvironment roundEnv)

1. For each class annotated with AutoService
   • Verify the AutoService interface value is correct
   • Categorize the class by its service interface
2. For each AutoService interface
   • Create a file named META-INF/services/<interface>
   • For each AutoService annotated class for this interface
     • Create an entry in the file

Specified by:

process in interface Processor

Specified by:

process in class AbstractProcessor