br.com.jarch.apt.processor.LookupProcessor Maven / Gradle / Ivy

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package br.com.jarch.apt.processor;

import br.com.jarch.annotation.JArchLookup;
import br.com.jarch.util.ProcessorUtils;

import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.Completion;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import java.util.Set;

@SupportedAnnotationTypes("br.com.jarch.annotation.JArchLookup")
public class LookupProcessor extends AbstractProcessor {

    @Override
    public boolean process(final Set annotations, final RoundEnvironment roundEnv) {
        ProcessorUtils.processingEnvironment = processingEnv;
	ProcessorUtils.messageMandatoryWarning("Processando: " + getClass().getSimpleName());

        try {
            for (Element element : roundEnv.getElementsAnnotatedWith(JArchLookup.class)) {
                ProcessorUtils.messageAnalyzing(getClass(), element);

                final JArchLookup anotacao = element.getAnnotation(JArchLookup.class);

                if (anotacao.ignoreProcessor()) {
                    continue;
                }

                final TypeElement classeElement = (TypeElement) element;

                existsFieldLookup(element, classeElement, anotacao.codeAttribute());

                existsFieldLookup(element, classeElement, anotacao.descriptionAttribute());
            }

        } catch (Exception ex) {
            ProcessorUtils.messageError("JARCH ERROR: Erro no APT " + getClass().getSimpleName() + " Mensagem: " + ex.getMessage());
        }

        return false;
    }

    @Override
    public SourceVersion getSupportedSourceVersion() {
        return SourceVersion.latest();
    }

    private static void existsFieldLookup(Element elementAtual, TypeElement classeElement, String field) {
        if (!ProcessorUtils.existsField(classeElement, field)) {
            ProcessorUtils.messageError("JARCH ERROR: Atributo " + field + " não localizado na anotação @JArchLookup da classe " + classeElement.getQualifiedName().toString(), elementAtual);
        }
    }

    @Override
    public Iterable getCompletions(Element element, AnnotationMirror annotation, ExecutableElement member, String userText) {
        return super.getCompletions(element, annotation, member, userText);
    }
}