samples/componentinjection/anagram-modular/src-api-compiletimecaches/org/apidesign/anagram/impl/annotations/WordsProcessor.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/samples/componentinjection/anagram-modular/src-api-compiletimecaches/org/apidesign/anagram/impl/annotations/WordsProcessor.java Thu Oct 30 21:30:10 2014 +0100
1.3 @@ -0,0 +1,79 @@
1.4 +/*
1.5 + * To change this template, choose Tools | Templates
1.6 + * and open the template in the editor.
1.7 + */
1.8 +
1.9 +package org.apidesign.anagram.impl.annotations;
1.10 +
1.11 +import java.util.Set;
1.12 +import javax.annotation.processing.Processor;
1.13 +import javax.annotation.processing.RoundEnvironment;
1.14 +import javax.annotation.processing.SupportedAnnotationTypes;
1.15 +import javax.annotation.processing.SupportedSourceVersion;
1.16 +import javax.lang.model.SourceVersion;
1.17 +import javax.lang.model.element.Element;
1.18 +import javax.lang.model.element.TypeElement;
1.19 +import javax.lang.model.util.Elements;
1.20 +import org.apidesign.anagram.api.annotations.Words;
1.21 +import org.openide.filesystems.annotations.LayerBuilder.File;
1.22 +import org.openide.filesystems.annotations.LayerGeneratingProcessor;
1.23 +import org.openide.filesystems.annotations.LayerGenerationException;
1.24 +import org.openide.util.lookup.ServiceProvider;
1.25 +
1.26 +/** Compile time caches example. Processor that is triggered
1.27 + * during compilation when a <code>@Words</code> annotations is found.
1.28 + * It generates some declarative registrations, so the annotated object
1.29 + * is found later during runtime, but not instantiated before it is really
1.30 + * needed.
1.31 + *
1.32 + * @author Jaroslav Tulach <jtulach@netbeans.org>
1.33 + */
1.34 +// BEGIN: anagram.api.WordsProcessor
1.35 +@ServiceProvider(service=Processor.class)
1.36 +@SupportedAnnotationTypes("org.apidesign.anagram.api.annotations.Words")
1.37 +@SupportedSourceVersion(SourceVersion.RELEASE_5)
1.38 +public class WordsProcessor extends LayerGeneratingProcessor {
1.39 +
1.40 + @Override
1.41 + protected boolean handleProcess(
1.42 + Set<? extends TypeElement> set, RoundEnvironment env
1.43 + ) throws LayerGenerationException {
1.44 + Elements elements = processingEnv.getElementUtils();
1.45 +
1.46 + for (Element e : env.getElementsAnnotatedWith(Words.class)) {
1.47 + Words w = e.getAnnotation(Words.class);
1.48 +
1.49 + TypeElement te = (TypeElement)e.getEnclosingElement();
1.50 + String teName = elements.getBinaryName(te).toString();
1.51 +// FINISH: anagram.api.WordsProcessor
1.52 +
1.53 +// BEGIN: anagram.api.WordsProcessorLayer
1.54 + File f = layer(e).file(
1.55 + "Services/" + teName.replace('.', '-') + ".instance"
1.56 + );
1.57 + f.methodvalue(
1.58 + "instanceCreate",
1.59 + "org.apidesign.anagram.impl.annotations.WordsImpl",
1.60 + "create"
1.61 + );
1.62 + f.stringvalue(
1.63 + "instanceClass",
1.64 + "org.apidesign.anagram.impl.annotations.WordsImpl"
1.65 + );
1.66 + f.stringvalue(
1.67 + "instanceOf",
1.68 + "org.apidesign.anagram.api.WordLibrary"
1.69 + );
1.70 + f.methodvalue(
1.71 + "words",
1.72 + teName,
1.73 + e.getSimpleName().toString()
1.74 + );
1.75 + f.write();
1.76 +// END: anagram.api.WordsProcessorLayer
1.77 + }
1.78 +
1.79 + return true;
1.80 + }
1.81 +
1.82 +}