/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed 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.springframework.batch.support;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Method;
import org.junit.Test;
import org.springframework.batch.support.AnnotationMethodResolver;
/**
* @author Mark Fisher
*/
public class AnnotationMethodResolverTests {
@Test
public void singleAnnotation() {
AnnotationMethodResolver resolver = new AnnotationMethodResolver(TestAnnotation.class);
Method method = resolver.findMethod(SingleAnnotationTestBean.class);
assertNotNull(method);
}
@Test(expected = IllegalArgumentException.class)
public void multipleAnnotations() {
AnnotationMethodResolver resolver = new AnnotationMethodResolver(TestAnnotation.class);
resolver.findMethod(MultipleAnnotationTestBean.class);
}
@Test
public void noAnnotations() {
AnnotationMethodResolver resolver = new AnnotationMethodResolver(TestAnnotation.class);
Method method = resolver.findMethod(NoAnnotationTestBean.class);
assertNull(method);
}
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
private static @interface TestAnnotation {
}
@SuppressWarnings("unused")
private static class SingleAnnotationTestBean {
@TestAnnotation
public String upperCase(String s) {
return s.toUpperCase();
}
public String lowerCase(String s) {
return s.toLowerCase();
}
}
private static class MultipleAnnotationTestBean {
@TestAnnotation
public String upperCase(String s) {
return s.toUpperCase();
}
@TestAnnotation
public String lowerCase(String s) {
return s.toLowerCase();
}
}
@SuppressWarnings("unused")
private static class NoAnnotationTestBean {
public String upperCase(String s) {
return s.toUpperCase();
}
String lowerCase(String s) {
return s.toLowerCase();
}
}
}