jtulach@336: /*
jtulach@336:  * To change this template, choose Tools | Templates
jtulach@336:  * and open the template in the editor.
jtulach@336:  */
jtulach@336: 
jtulach@336: package org.apidesign.anagram.impl.annotations;
jtulach@336: 
jtulach@336: import java.util.Set;
jtulach@336: import javax.annotation.processing.Processor;
jtulach@336: import javax.annotation.processing.RoundEnvironment;
jtulach@336: import javax.annotation.processing.SupportedAnnotationTypes;
jtulach@336: import javax.annotation.processing.SupportedSourceVersion;
jtulach@336: import javax.lang.model.SourceVersion;
jtulach@336: import javax.lang.model.element.Element;
jtulach@336: import javax.lang.model.element.TypeElement;
jtulach@336: import javax.lang.model.util.Elements;
jtulach@336: import org.apidesign.anagram.api.annotations.Words;
jtulach@336: import org.openide.filesystems.annotations.LayerBuilder.File;
jtulach@336: import org.openide.filesystems.annotations.LayerGeneratingProcessor;
jtulach@336: import org.openide.filesystems.annotations.LayerGenerationException;
jtulach@336: import org.openide.util.lookup.ServiceProvider;
jtulach@336: 
jtulach@336: /** Compile time caches example. Processor that is triggered
jtulach@336:  * during compilation when a <code>@Words</code> annotations is found.
jtulach@336:  * It generates some declarative registrations, so the annotated object
jtulach@336:  * is found later during runtime, but not instantiated before it is really
jtulach@336:  * needed.
jtulach@336:  *
jtulach@336:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jtulach@336:  */
jtulach@336: // BEGIN: anagram.api.WordsProcessor
jtulach@336: @ServiceProvider(service=Processor.class)
jtulach@336: @SupportedAnnotationTypes("org.apidesign.anagram.api.annotations.Words")
jtulach@336: @SupportedSourceVersion(SourceVersion.RELEASE_5)
jtulach@336: public class WordsProcessor extends LayerGeneratingProcessor {
jtulach@336: 
jtulach@336:     @Override
jtulach@336:     protected boolean handleProcess(
jtulach@336:         Set<? extends TypeElement> set, RoundEnvironment env
jtulach@336:     ) throws LayerGenerationException {
jtulach@336:         Elements elements = processingEnv.getElementUtils();
jtulach@336: 
jtulach@336:         for (Element e : env.getElementsAnnotatedWith(Words.class)) {
jtulach@336:             Words w = e.getAnnotation(Words.class);
jtulach@336: 
jtulach@336:             TypeElement te = (TypeElement)e.getEnclosingElement();
jtulach@336:             String teName = elements.getBinaryName(te).toString();
jtulach@336: // FINISH: anagram.api.WordsProcessor
jtulach@336: 
jtulach@336: // BEGIN: anagram.api.WordsProcessorLayer
jtulach@336:             File f = layer(e).file(
jtulach@336:                 "Services/" + teName.replace('.', '-') + ".instance"
jtulach@336:             );
jtulach@336:             f.methodvalue(
jtulach@336:                 "instanceCreate",
jtulach@336:                 "org.apidesign.anagram.impl.annotations.WordsImpl",
jtulach@336:                 "create"
jtulach@336:             );
jtulach@336:             f.stringvalue(
jtulach@336:                 "instanceClass",
jtulach@336:                 "org.apidesign.anagram.impl.annotations.WordsImpl"
jtulach@336:             );
jtulach@336:             f.stringvalue(
jtulach@336:                 "instanceOf",
jtulach@336:                 "org.apidesign.anagram.api.WordLibrary"
jtulach@336:             );
jtulach@336:             f.methodvalue(
jtulach@336:                 "words",
jtulach@336:                 teName,
jtulach@336:                 e.getSimpleName().toString()
jtulach@336:             );
jtulach@336:             f.write();
jtulach@336: // END: anagram.api.WordsProcessorLayer
jtulach@336:         }
jtulach@336: 
jtulach@336:         return true;
jtulach@336:     }
jtulach@336: 
jtulach@336: }