59 lines
2.3 KiB
Java
59 lines
2.3 KiB
Java
/*
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* Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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import java.lang.annotation.Annotation;
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import java.lang.reflect.Field;
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public class FieldAnnotationsApp {
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@MyAnnotation(name="myField1", value="myValue1")
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public String myField1 = null;
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@MyAnnotation(name="myField2", value="myValue2")
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public String myField2 = null;
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public static void main(String args[]) throws Exception {
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for (int i=1; i<=2; i++) {
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Field field = FieldAnnotationsApp.class.getField("myField" + i);
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Annotation[] annotations = field.getDeclaredAnnotations();
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for (Annotation anno : annotations){
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if (anno instanceof MyAnnotation){
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MyAnnotation myAnno = (MyAnnotation) anno;
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String name = myAnno.name();
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String value = myAnno.value();
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System.out.println("Field : " + field.getName());
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System.out.println(" myAnno.name : " + name);
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System.out.println(" myAnno.value: " + value);
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if (!(name.equals("myField" + i) && value.equals("myValue" + i))) {
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throw new Exception("Unexpected annotation values: " + i + " = " + value);
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}
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}
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}
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}
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System.out.println("Field annotations are OK.");
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}
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}
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