Prevent early FactoryBean creation for type checking purposes when coming from a factory method on yet another bean (e.g. from a configuration class)
Issue: SPR-11202master
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3 changed files with 178 additions and 19 deletions
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/* |
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* Copyright 2002-2013 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.context.annotation; |
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import java.lang.annotation.Documented; |
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import java.lang.annotation.ElementType; |
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import java.lang.annotation.Retention; |
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import java.lang.annotation.RetentionPolicy; |
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import java.lang.annotation.Target; |
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import org.junit.After; |
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import org.junit.Test; |
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import org.springframework.beans.factory.FactoryBean; |
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import org.springframework.beans.factory.InitializingBean; |
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import org.springframework.core.type.AnnotatedTypeMetadata; |
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import org.springframework.core.type.AnnotationMetadata; |
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import org.springframework.util.Assert; |
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import static org.junit.Assert.*; |
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/** |
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* @author Dave Syer |
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*/ |
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public class Spr11202Tests { |
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private AnnotationConfigApplicationContext context; |
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@After |
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public void close() { |
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if (context != null) { |
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context.close(); |
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} |
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} |
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@Test // Fails
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public void testWithImporter() { |
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context = new AnnotationConfigApplicationContext(Wrapper.class); |
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assertEquals("foo", context.getBean("value")); |
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} |
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@Test // Passes
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public void testWithoutImporter() { |
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context = new AnnotationConfigApplicationContext(Config.class); |
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assertEquals("foo", context.getBean("value")); |
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} |
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@Configuration |
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@Import(Selector.class) |
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protected static class Wrapper { |
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} |
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protected static class Selector implements ImportSelector { |
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@Override |
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public String[] selectImports(AnnotationMetadata importingClassMetadata) { |
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return new String[] {Config.class.getName()}; |
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} |
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} |
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@Configuration |
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protected static class Config { |
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@Bean |
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public FooFactoryBean foo() { |
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return new FooFactoryBean(); |
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} |
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@Bean |
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public String value() throws Exception { |
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String name = foo().getObject().getName(); |
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Assert.state(name != null, "Name cannot be null"); |
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return name; |
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} |
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@Bean |
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@Conditional(NoBarCondition.class) |
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public String bar() throws Exception { |
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return "bar"; |
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} |
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} |
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protected static class NoBarCondition implements Condition { |
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@Override |
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public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) { |
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if (context.getBeanFactory().getBeanNamesForAnnotation(Bar.class).length > 0) { |
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return false; |
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} |
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return true; |
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} |
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} |
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@Retention(RetentionPolicy.RUNTIME) |
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@Documented |
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@Target(ElementType.TYPE) |
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protected static @interface Bar { |
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} |
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protected static class FooFactoryBean implements FactoryBean<Foo>, InitializingBean { |
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private Foo foo = new Foo(); |
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@Override |
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public Foo getObject() throws Exception { |
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return foo; |
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} |
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@Override |
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public Class<?> getObjectType() { |
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return Foo.class; |
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} |
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@Override |
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public boolean isSingleton() { |
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return true; |
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} |
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@Override |
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public void afterPropertiesSet() throws Exception { |
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this.foo.name = "foo"; |
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} |
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} |
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protected static class Foo { |
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private String name; |
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public String getName() { |
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return name; |
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} |
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} |
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} |
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