stefanseifert commented on code in PR #8: URL: https://github.com/apache/sling-org-apache-sling-models-api/pull/8#discussion_r1016697844
########## src/main/java/org/apache/sling/models/annotations/apt/ValidatingAnnotationProcessor.java: ########## @@ -0,0 +1,79 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.sling.models.annotations.apt; + +import java.util.Set; + +import javax.annotation.processing.AbstractProcessor; +import javax.annotation.processing.RoundEnvironment; +import javax.annotation.processing.SupportedAnnotationTypes; +import javax.annotation.processing.SupportedSourceVersion; +import javax.lang.model.SourceVersion; +import javax.lang.model.element.Element; +import javax.lang.model.element.ElementKind; +import javax.lang.model.element.Modifier; +import javax.lang.model.element.TypeElement; +import javax.tools.Diagnostic.Kind; + +import org.apache.sling.models.annotations.Model; + +/** + * Annotation processor that implements compile-time validation for Sling Models + */ +@SupportedAnnotationTypes({ + "javax.inject.Inject", + "org.apache.sling.models.annotations.injectorspecific.*", +}) +@SupportedSourceVersion(SourceVersion.RELEASE_8) +public class ValidatingAnnotationProcessor extends AbstractProcessor { + + @Override + public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { + for (TypeElement annotation : annotations) { + for (Element annotatedElement : roundEnv.getElementsAnnotatedWith(annotation)) { + if (!annotatedElement.getModifiers().contains(Modifier.STATIC) || !isSlingModel(annotatedElement)) { + // skip if not static, or the enclosing class/interface is not a sling model + continue; + } + + if (annotatedElement.getKind() == ElementKind.FIELD) { + processingEnv.getMessager().printMessage( + Kind.ERROR, + "Annotation " + annotation + " may not be used on static fields", Review Comment: i think we should include the actual field name in the log message ########## src/main/java/org/apache/sling/models/annotations/apt/ValidatingAnnotationProcessor.java: ########## @@ -0,0 +1,79 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.sling.models.annotations.apt; + +import java.util.Set; + +import javax.annotation.processing.AbstractProcessor; +import javax.annotation.processing.RoundEnvironment; +import javax.annotation.processing.SupportedAnnotationTypes; +import javax.annotation.processing.SupportedSourceVersion; +import javax.lang.model.SourceVersion; +import javax.lang.model.element.Element; +import javax.lang.model.element.ElementKind; +import javax.lang.model.element.Modifier; +import javax.lang.model.element.TypeElement; +import javax.tools.Diagnostic.Kind; + +import org.apache.sling.models.annotations.Model; + +/** + * Annotation processor that implements compile-time validation for Sling Models + */ +@SupportedAnnotationTypes({ + "javax.inject.Inject", + "org.apache.sling.models.annotations.injectorspecific.*", +}) +@SupportedSourceVersion(SourceVersion.RELEASE_8) +public class ValidatingAnnotationProcessor extends AbstractProcessor { + + @Override + public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { + for (TypeElement annotation : annotations) { + for (Element annotatedElement : roundEnv.getElementsAnnotatedWith(annotation)) { + if (!annotatedElement.getModifiers().contains(Modifier.STATIC) || !isSlingModel(annotatedElement)) { + // skip if not static, or the enclosing class/interface is not a sling model + continue; + } + + if (annotatedElement.getKind() == ElementKind.FIELD) { + processingEnv.getMessager().printMessage( + Kind.ERROR, + "Annotation " + annotation + " may not be used on static fields", + annotatedElement + ); + } else if (annotatedElement.getKind() == ElementKind.METHOD) { + processingEnv.getMessager().printMessage( + Kind.ERROR, + "Annotation " + annotation + " may not be used on static methods", + annotatedElement Review Comment: i think we should include the actual method name in the log message -- This is an automated message from the Apache Git Service. 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