| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| package com.sun.xml.internal.bind.v2.model.annotation; |
| |
| import java.lang.annotation.Annotation; |
| |
| import com.sun.xml.internal.bind.v2.model.core.ErrorHandler; |
| import com.sun.xml.internal.bind.v2.runtime.IllegalAnnotationException; |
| |
| /** |
| * {@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); |
| } |