From 95c8b83a51f2e33d55f9b42024b5767e62786c27 Mon Sep 17 00:00:00 2001 From: Mark Fisher Date: Sun, 5 Oct 2008 19:40:53 +0000 Subject: [PATCH] Added MethodResolver strategy interface and two implementations: AnnotationMethodResolver and DefaultMethodResolver. The MessageMappingMethodInvoker no longer resolves based on Annotations. Instead, the component that delegates to the invoker is responsible for resolving the Method instance (e.g. ServiceActivator now does this when its single Object constructor is invoked). --- .../endpoint/ServiceActivatorEndpoint.java | 14 +- .../message/MessageMappingMethodInvoker.java | 38 +---- ...ils.java => AnnotationMethodResolver.java} | 53 ++++--- .../util/DefaultMethodResolver.java | 71 ++++++++++ .../integration/util/MethodResolver.java | 42 ++++++ ...ServiceActivatorMethodResolutionTests.java | 120 ++++++++++++++++ .../AnnotationMethodResolverTests.java} | 50 +++++-- .../util/DefaultMethodResolverTests.java | 133 ++++++++++++++++++ 8 files changed, 433 insertions(+), 88 deletions(-) rename org.springframework.integration/src/main/java/org/springframework/integration/util/{MethodUtils.java => AnnotationMethodResolver.java} (65%) create mode 100644 org.springframework.integration/src/main/java/org/springframework/integration/util/DefaultMethodResolver.java create mode 100644 org.springframework.integration/src/main/java/org/springframework/integration/util/MethodResolver.java create mode 100644 org.springframework.integration/src/test/java/org/springframework/integration/endpoint/ServiceActivatorMethodResolutionTests.java rename org.springframework.integration/src/test/java/org/springframework/integration/{message/MessageMappingMethodInvokerAnnotationTests.java => util/AnnotationMethodResolverTests.java} (56%) create mode 100644 org.springframework.integration/src/test/java/org/springframework/integration/util/DefaultMethodResolverTests.java diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/endpoint/ServiceActivatorEndpoint.java b/org.springframework.integration/src/main/java/org/springframework/integration/endpoint/ServiceActivatorEndpoint.java index d0218c584e..7e7ab5fea0 100644 --- a/org.springframework.integration/src/main/java/org/springframework/integration/endpoint/ServiceActivatorEndpoint.java +++ b/org.springframework.integration/src/main/java/org/springframework/integration/endpoint/ServiceActivatorEndpoint.java @@ -23,7 +23,8 @@ import org.springframework.integration.annotation.ServiceActivator; import org.springframework.integration.message.Message; import org.springframework.integration.message.MessageHandlingException; import org.springframework.integration.message.MessageMappingMethodInvoker; -import org.springframework.integration.util.MethodUtils; +import org.springframework.integration.util.DefaultMethodResolver; +import org.springframework.integration.util.MethodResolver; import org.springframework.integration.util.MethodInvoker; import org.springframework.util.Assert; @@ -32,8 +33,7 @@ import org.springframework.util.Assert; */ public class ServiceActivatorEndpoint extends AbstractMessageHandlingEndpoint { - public static final String DEFAULT_LISTENER_METHOD = "handle"; - + private final MethodResolver methodResolver = new DefaultMethodResolver(ServiceActivator.class); private final MethodInvoker invoker; @@ -45,13 +45,7 @@ public class ServiceActivatorEndpoint extends AbstractMessageHandlingEndpoint { public ServiceActivatorEndpoint(final Object object) { Assert.notNull(object, "object must not be null"); - Method method = MethodUtils.findMethodWithAnnotation(object.getClass(), ServiceActivator.class); - if (method == null) { - Method[] methods = MethodUtils.findPublicMethods(object.getClass(), false); - if (methods.length == 1) { - method = methods[0]; - } - } + Method method = this.methodResolver.findMethod(object.getClass()); Assert.notNull(method, "unable to resolve ServiceActivator method on target class [" + object.getClass() + "]"); this.invoker = new MessageMappingMethodInvoker(object, method); diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/message/MessageMappingMethodInvoker.java b/org.springframework.integration/src/main/java/org/springframework/integration/message/MessageMappingMethodInvoker.java index e7a6664d26..773147c0ee 100644 --- a/org.springframework.integration/src/main/java/org/springframework/integration/message/MessageMappingMethodInvoker.java +++ b/org.springframework.integration/src/main/java/org/springframework/integration/message/MessageMappingMethodInvoker.java @@ -16,7 +16,6 @@ package org.springframework.integration.message; -import java.lang.annotation.Annotation; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.util.ArrayList; @@ -26,7 +25,6 @@ import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.InitializingBean; -import org.springframework.core.annotation.AnnotationUtils; import org.springframework.integration.util.DefaultMethodInvoker; import org.springframework.integration.util.MethodInvoker; import org.springframework.integration.util.NameResolvingMethodInvoker; @@ -55,8 +53,6 @@ public class MessageMappingMethodInvoker implements MethodInvoker, InitializingB private volatile String methodName; - private volatile Class annotationType; - private volatile OutboundMessageMapper messageMapper; private volatile MethodInvoker invoker; @@ -81,12 +77,6 @@ public class MessageMappingMethodInvoker implements MethodInvoker, InitializingB this.methodName = methodName; } - public MessageMappingMethodInvoker(Object object, Class annotationType) { - Assert.notNull(object, "object must not be null"); - this.object = object; - this.annotationType = annotationType; - } - public void afterPropertiesSet() { synchronized (this.initializationMonitor) { @@ -97,38 +87,18 @@ public class MessageMappingMethodInvoker implements MethodInvoker, InitializingB final List candidates = new ArrayList(); ReflectionUtils.doWithMethods(this.object.getClass(), new ReflectionUtils.MethodCallback() { public void doWith(Method method) throws IllegalArgumentException, IllegalAccessException { - if (MessageMappingMethodInvoker.this.methodName != null) { - if (method.getName().equals(MessageMappingMethodInvoker.this.methodName)) { - candidates.add(method); - } - } - else if (MessageMappingMethodInvoker.this.annotationType != null) { - if (AnnotationUtils.findAnnotation(method, annotationType) != null) { - candidates.add(method); - } + if (method.getName().equals(MessageMappingMethodInvoker.this.methodName)) { + candidates.add(method); } } }); if (candidates.size() == 0) { - String clause = ""; - if (this.methodName != null) { - clause = " matching method name '" + this.methodName + "'"; - } - else if (this.annotationType != null) { - clause = " matching annotation type '" + this.annotationType + "'"; - } - throw new IllegalArgumentException("unable to find a candidate method" - + clause + " on target class [" + this.object.getClass() + "]"); + throw new IllegalArgumentException("unable to find a candidate method named '" + + this.methodName + "'" + " on target class [" + this.object.getClass() + "]"); } else if (candidates.size() == 1) { this.method = candidates.get(0); } - else if (this.annotationType != null) { - throw new IllegalArgumentException("unable to resolve method for annotation [" - + this.annotationType + "], found " + candidates.size() - + " candidates on target class [" + this.object.getClass() + "]: " - + candidates); - } } if (this.method != null) { Class[] parameterTypes = this.method.getParameterTypes(); diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/util/MethodUtils.java b/org.springframework.integration/src/main/java/org/springframework/integration/util/AnnotationMethodResolver.java similarity index 65% rename from org.springframework.integration/src/main/java/org/springframework/integration/util/MethodUtils.java rename to org.springframework.integration/src/main/java/org/springframework/integration/util/AnnotationMethodResolver.java index 9602e1eeb0..19c4a8cb69 100644 --- a/org.springframework.integration/src/main/java/org/springframework/integration/util/MethodUtils.java +++ b/org.springframework.integration/src/main/java/org/springframework/integration/util/AnnotationMethodResolver.java @@ -17,25 +17,42 @@ package org.springframework.integration.util; import java.lang.annotation.Annotation; +import java.lang.annotation.ElementType; +import java.lang.annotation.Target; import java.lang.reflect.Method; -import java.util.ArrayList; -import java.util.List; import java.util.concurrent.atomic.AtomicReference; import org.springframework.core.annotation.AnnotationUtils; import org.springframework.util.Assert; +import org.springframework.util.ObjectUtils; import org.springframework.util.ReflectionUtils; /** - * Helper methods for detecting Methods. + * MethodResolver implementation that finds a single Method on the + * given Class that contains the specified annotation type. * * @author Mark Fisher */ -public abstract class MethodUtils { +public class AnnotationMethodResolver implements MethodResolver { + + private Class annotationType; + + + /** + * Create a MethodResolver for the specified Method-level annotation type + */ + public AnnotationMethodResolver(Class annotationType) { + Assert.notNull(annotationType, "annotationType must not be null"); + Assert.isTrue(ObjectUtils.containsElement( + annotationType.getAnnotation(Target.class).value(), ElementType.METHOD), + "Annotation [" + annotationType + "] is not a Method-level annotation."); + this.annotationType = annotationType; + } + /** * Find a single Method on the given Class that contains the - * specified annotation type. + * annotation type for which this resolver is searching. * * @param clazz the Class instance to check for the annotation * @param annotationType the Method-level annotation type @@ -46,12 +63,11 @@ public abstract class MethodUtils { * @throws IllegalArgumentException if more than one Method has the * specified annotation */ - public static Method findMethodWithAnnotation( - final Class clazz, final Class annotationType) { + public Method findMethod(final Class clazz) { final AtomicReference annotatedMethod = new AtomicReference(); ReflectionUtils.doWithMethods(clazz, new ReflectionUtils.MethodCallback() { public void doWith(Method method) throws IllegalArgumentException, IllegalAccessException { - T annotation = AnnotationUtils.findAnnotation(method, annotationType); + Annotation annotation = AnnotationUtils.findAnnotation(method, annotationType); if (annotation != null) { Assert.isNull(annotatedMethod.get(), "found more than one method on target class [" + clazz + "] with the annotation type [" + annotationType + "]"); @@ -62,25 +78,4 @@ public abstract class MethodUtils { return annotatedMethod.get(); } - /** - * Find all public Methods of a given Class. - * - * @param clazz the class to search - * @param includeMethodsDeclaredOnObject whether to include Methods - * that are declared on the Object class - * - * @return array of public Methods - */ - public static Method[] findPublicMethods( - final Class clazz, final boolean includeMethodsDeclaredOnObject) { - final List methods = new ArrayList(); - for (Method method : clazz.getMethods()) { - if (includeMethodsDeclaredOnObject - || !method.getDeclaringClass().equals(Object.class)) { - methods.add(method); - } - } - return methods.toArray(new Method[methods.size()]); - } - } diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/util/DefaultMethodResolver.java b/org.springframework.integration/src/main/java/org/springframework/integration/util/DefaultMethodResolver.java new file mode 100644 index 0000000000..ed0c953021 --- /dev/null +++ b/org.springframework.integration/src/main/java/org/springframework/integration/util/DefaultMethodResolver.java @@ -0,0 +1,71 @@ +/* + * 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.integration.util; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Method; + +import org.springframework.util.Assert; + +/** + * Default MethodResolver implementation. It first checks for a single Method + * with the specified annotation (if not null), and then falls back to a single + * public Method if available. + * + * @author Mark Fisher + */ +public class DefaultMethodResolver implements MethodResolver { + + private final AnnotationMethodResolver annotationMethodResolver; + + + public DefaultMethodResolver() { + this(null); + } + + public DefaultMethodResolver(Class annotationType) { + this.annotationMethodResolver = (annotationType != null) ? + new AnnotationMethodResolver(annotationType) : null; + } + + + public Method findMethod(Class clazz) { + Assert.notNull(clazz, "Class must not be null"); + if (this.annotationMethodResolver != null) { + Method method = this.annotationMethodResolver.findMethod(clazz); + if (method != null) { + return method; + } + } + return this.findSinglePublicMethod(clazz); + } + + private Method findSinglePublicMethod(Class clazz) { + Method result = null; + for (Method method : clazz.getMethods()) { + if (!method.getDeclaringClass().equals(Object.class)) { + if (result != null) { + throw new IllegalArgumentException( + "Class [" + clazz + "] contains more than one public Method."); + } + result = method; + } + } + return result; + } + +} diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/util/MethodResolver.java b/org.springframework.integration/src/main/java/org/springframework/integration/util/MethodResolver.java new file mode 100644 index 0000000000..ddbd4024da --- /dev/null +++ b/org.springframework.integration/src/main/java/org/springframework/integration/util/MethodResolver.java @@ -0,0 +1,42 @@ +/* + * 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.integration.util; + +import java.lang.reflect.Method; + +/** + * Strategy interface for detecting a single Method on a Class. + * + * @author Mark Fisher + */ +public interface MethodResolver { + + /** + * Find a single Method on the provided Class that matches this resolver's + * criteria. + * + * @param clazz the Class on which to search for a Method + * + * @return a single Method or null if no Method matching this + * resolver's criteria can be found. + * + * @throws IllegalArgumentException if more than one Method defined on the + * given Class matches this resolver's criteria + */ + Method findMethod(Class clazz) throws IllegalArgumentException; + +} diff --git a/org.springframework.integration/src/test/java/org/springframework/integration/endpoint/ServiceActivatorMethodResolutionTests.java b/org.springframework.integration/src/test/java/org/springframework/integration/endpoint/ServiceActivatorMethodResolutionTests.java new file mode 100644 index 0000000000..ac1ea5f2e1 --- /dev/null +++ b/org.springframework.integration/src/test/java/org/springframework/integration/endpoint/ServiceActivatorMethodResolutionTests.java @@ -0,0 +1,120 @@ +/* + * 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.integration.endpoint; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +import org.springframework.integration.annotation.ServiceActivator; +import org.springframework.integration.channel.QueueChannel; +import org.springframework.integration.message.Message; +import org.springframework.integration.message.StringMessage; + +/** + * @author Mark Fisher + */ +public class ServiceActivatorMethodResolutionTests { + + @Test + public void singleAnnotationMatches() { + SingleAnnotationTestBean testBean = new SingleAnnotationTestBean(); + ServiceActivatorEndpoint endpoint = new ServiceActivatorEndpoint(testBean); + QueueChannel outputChannel = new QueueChannel(); + endpoint.setOutputChannel(outputChannel); + endpoint.afterPropertiesSet(); + endpoint.onMessage(new StringMessage("foo")); + Message result = outputChannel.receive(0); + assertEquals("FOO", result.getPayload()); + } + + @Test(expected = IllegalArgumentException.class) + public void multipleAnnotationFails() { + MultipleAnnotationTestBean testBean = new MultipleAnnotationTestBean(); + new ServiceActivatorEndpoint(testBean); + } + + @Test + public void singlePublicMethodMatches() { + SinglePublicMethodTestBean testBean = new SinglePublicMethodTestBean(); + ServiceActivatorEndpoint endpoint = new ServiceActivatorEndpoint(testBean); + QueueChannel outputChannel = new QueueChannel(); + endpoint.setOutputChannel(outputChannel); + endpoint.afterPropertiesSet(); + endpoint.onMessage(new StringMessage("foo")); + Message result = outputChannel.receive(0); + assertEquals("FOO", result.getPayload()); + } + + @Test(expected = IllegalArgumentException.class) + public void multiplePublicMethodFails() { + MultiplePublicMethodTestBean testBean = new MultiplePublicMethodTestBean(); + new ServiceActivatorEndpoint(testBean); + } + + + private static class SingleAnnotationTestBean { + + @ServiceActivator + public String upperCase(String s) { + return s.toUpperCase(); + } + + public String lowerCase(String s) { + return s.toLowerCase(); + } + } + + + private static class MultipleAnnotationTestBean { + + @ServiceActivator + public String upperCase(String s) { + return s.toUpperCase(); + } + + @ServiceActivator + public String lowerCase(String s) { + return s.toLowerCase(); + } + } + + + private static class SinglePublicMethodTestBean { + + public String upperCase(String s) { + return s.toUpperCase(); + } + + String lowerCase(String s) { + return s.toLowerCase(); + } + } + + + private static class MultiplePublicMethodTestBean { + + public String upperCase(String s) { + return s.toUpperCase(); + } + + public String lowerCase(String s) { + return s.toLowerCase(); + } + } + +} diff --git a/org.springframework.integration/src/test/java/org/springframework/integration/message/MessageMappingMethodInvokerAnnotationTests.java b/org.springframework.integration/src/test/java/org/springframework/integration/util/AnnotationMethodResolverTests.java similarity index 56% rename from org.springframework.integration/src/test/java/org/springframework/integration/message/MessageMappingMethodInvokerAnnotationTests.java rename to org.springframework.integration/src/test/java/org/springframework/integration/util/AnnotationMethodResolverTests.java index 357f95260e..d8adc3df99 100644 --- a/org.springframework.integration/src/test/java/org/springframework/integration/message/MessageMappingMethodInvokerAnnotationTests.java +++ b/org.springframework.integration/src/test/java/org/springframework/integration/util/AnnotationMethodResolverTests.java @@ -14,38 +14,42 @@ * limitations under the License. */ -package org.springframework.integration.message; +package org.springframework.integration.util; -import static org.junit.Assert.assertEquals; +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; /** * @author Mark Fisher */ -public class MessageMappingMethodInvokerAnnotationTests { +public class AnnotationMethodResolverTests { @Test - public void singleAnnotationMatches() { - SingleAnnotationTestBean testBean = new SingleAnnotationTestBean(); - MessageMappingMethodInvoker invoker = - new MessageMappingMethodInvoker(testBean, TestAnnotation.class); - invoker.afterPropertiesSet(); - String result = (String) invoker.invokeMethod("foo"); - assertEquals("FOO", result); + public void singleAnnotation() { + AnnotationMethodResolver resolver = new AnnotationMethodResolver(TestAnnotation.class); + Method method = resolver.findMethod(SingleAnnotationTestBean.class); + assertNotNull(method); } @Test(expected = IllegalArgumentException.class) - public void multipleAnnotationMatches() { - MultipleAnnotationTestBean testBean = new MultipleAnnotationTestBean(); - MessageMappingMethodInvoker invoker = - new MessageMappingMethodInvoker(testBean, TestAnnotation.class); - invoker.afterPropertiesSet(); + 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); } @@ -61,6 +65,10 @@ public class MessageMappingMethodInvokerAnnotationTests { public String upperCase(String s) { return s.toUpperCase(); } + + public String lowerCase(String s) { + return s.toLowerCase(); + } } @@ -77,4 +85,16 @@ public class MessageMappingMethodInvokerAnnotationTests { } } + + private static class NoAnnotationTestBean { + + public String upperCase(String s) { + return s.toUpperCase(); + } + + String lowerCase(String s) { + return s.toLowerCase(); + } + } + } diff --git a/org.springframework.integration/src/test/java/org/springframework/integration/util/DefaultMethodResolverTests.java b/org.springframework.integration/src/test/java/org/springframework/integration/util/DefaultMethodResolverTests.java new file mode 100644 index 0000000000..cef1bd7147 --- /dev/null +++ b/org.springframework.integration/src/test/java/org/springframework/integration/util/DefaultMethodResolverTests.java @@ -0,0 +1,133 @@ +/* + * 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.integration.util; + +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; + +/** + * @author Mark Fisher + */ +public class DefaultMethodResolverTests { + + @Test + public void singleAnnotation() { + DefaultMethodResolver resolver = new DefaultMethodResolver(TestAnnotation.class); + Method method = resolver.findMethod(SingleAnnotationTestBean.class); + assertNotNull(method); + } + + @Test(expected = IllegalArgumentException.class) + public void multipleAnnotations() { + DefaultMethodResolver resolver = new DefaultMethodResolver(TestAnnotation.class); + resolver.findMethod(MultipleAnnotationTestBean.class); + } + + @Test + public void singlePublicMethod() { + DefaultMethodResolver resolver = new DefaultMethodResolver(TestAnnotation.class); + Method method = resolver.findMethod(SinglePublicMethodTestBean.class); + assertNotNull(method); + } + + @Test(expected = IllegalArgumentException.class) + public void multiplePublicMethods() { + DefaultMethodResolver resolver = new DefaultMethodResolver(TestAnnotation.class); + resolver.findMethod(MultiplePublicMethodTestBean.class); + } + + @Test + public void noPublicMethods() { + DefaultMethodResolver resolver = new DefaultMethodResolver(TestAnnotation.class); + Method method = resolver.findMethod(NoPublicMethodTestBean.class); + assertNull(method); + } + + + @Target(ElementType.METHOD) + @Retention(RetentionPolicy.RUNTIME) + private static @interface TestAnnotation { + } + + + 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(); + } + } + + + private static class SinglePublicMethodTestBean { + + public String upperCase(String s) { + return s.toUpperCase(); + } + + String lowerCase(String s) { + return s.toLowerCase(); + } + } + + + private static class MultiplePublicMethodTestBean { + + public String upperCase(String s) { + return s.toUpperCase(); + } + + public String lowerCase(String s) { + return s.toLowerCase(); + } + } + + + private static class NoPublicMethodTestBean { + + String lowerCase(String s) { + return s.toLowerCase(); + } + } + +}