| /* |
| * Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0, which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.glassfish.jaxb.runtime.v2.model.annotation; |
| |
| import org.glassfish.jaxb.core.v2.model.annotation.AnnotationReader; |
| import org.glassfish.jaxb.core.v2.model.annotation.Locatable; |
| import org.glassfish.jaxb.core.v2.model.core.ErrorHandler; |
| import org.glassfish.jaxb.core.v2.runtime.IllegalAnnotationException; |
| |
| import java.lang.annotation.Annotation; |
| |
| /** |
| * {@link AnnotationReader} that reads annotation from classes, |
| * not from external binding files. |
| * |
| * This is meant to be used as a convenient partial implementation. |
| * |
| * @author Kohsuke Kawaguchi (kk@kohsuke.org) |
| */ |
| public abstract class AbstractInlineAnnotationReaderImpl<T,C,F,M> |
| implements AnnotationReader<T,C,F,M> { |
| |
| private ErrorHandler errorHandler; |
| |
| public void setErrorHandler(ErrorHandler errorHandler) { |
| if(errorHandler==null) |
| throw new IllegalArgumentException(); |
| this.errorHandler = errorHandler; |
| } |
| |
| /** |
| * Always return a non-null valid {@link ErrorHandler} |
| */ |
| public final ErrorHandler getErrorHandler() { |
| assert errorHandler!=null : "error handler must be set before use"; |
| return errorHandler; |
| } |
| |
| public final <A extends Annotation> A getMethodAnnotation(Class<A> annotation, M getter, M setter, Locatable srcPos) { |
| A a1 = getter==null?null:getMethodAnnotation(annotation,getter,srcPos); |
| A a2 = setter==null?null:getMethodAnnotation(annotation,setter,srcPos); |
| |
| if(a1==null) { |
| if(a2==null) |
| return null; |
| else |
| return a2; |
| } else { |
| if(a2==null) |
| return a1; |
| else { |
| // both are present |
| getErrorHandler().error(new IllegalAnnotationException( |
| Messages.DUPLICATE_ANNOTATIONS.format( |
| annotation.getName(), fullName(getter),fullName(setter)), |
| a1, a2 )); |
| // recover by ignoring one of them |
| return a1; |
| } |
| } |
| } |
| |
| public boolean hasMethodAnnotation(Class<? extends Annotation> annotation, String propertyName, M getter, M setter, Locatable srcPos) { |
| boolean x = ( getter != null && hasMethodAnnotation(annotation, getter) ); |
| boolean y = ( setter != null && hasMethodAnnotation(annotation, setter) ); |
| |
| if(x && y) { |
| // both are present. have getMethodAnnotation report an error |
| getMethodAnnotation(annotation,getter,setter,srcPos); |
| } |
| |
| return x||y; |
| } |
| |
| /** |
| * Gets the fully-qualified name of the method. |
| * |
| * Used for error messages. |
| */ |
| protected abstract String fullName(M m); |
| } |