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Spring Framework example source code file (QualifierAnnotationAutowireBeanFactoryTests.java)

This example Spring Framework source code file (QualifierAnnotationAutowireBeanFactoryTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

annotation, constructorargumentvalues, constructorargumentvalues, defaultlistablebeanfactory, defaultlistablebeanfactory, dependencydescriptor, dependencydescriptor, exception, localvariabletableparameternamediscoverer, methodparameter, person, qualifiedtestbean, rootbeandefinition, rootbeandefinition, string

The Spring Framework QualifierAnnotationAutowireBeanFactoryTests.java source code

/*
 * 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.beans.factory.support;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import junit.framework.TestCase;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.config.ConstructorArgumentValues;
import org.springframework.beans.factory.config.DependencyDescriptor;
import org.springframework.core.LocalVariableTableParameterNameDiscoverer;
import org.springframework.core.MethodParameter;
import org.springframework.util.ClassUtils;

/**
 * @author Mark Fisher
 * @author Juergen Hoeller
 */
public class QualifierAnnotationAutowireBeanFactoryTests extends TestCase {

	private static final String JUERGEN = "juergen";

	private static final String MARK = "mark";


	public void testAutowireCandidateDefaultWithIrrelevantDescriptor() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		ConstructorArgumentValues cavs = new ConstructorArgumentValues();
		cavs.addGenericArgumentValue(JUERGEN);
		RootBeanDefinition rbd = new RootBeanDefinition(Person.class, cavs, null);
		lbf.registerBeanDefinition(JUERGEN, rbd);
		assertTrue(lbf.isAutowireCandidate(JUERGEN, null));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, 
				new DependencyDescriptor(Person.class.getDeclaredField("name"), false)));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, 
				new DependencyDescriptor(Person.class.getDeclaredField("name"), true)));
	}

	public void testAutowireCandidateExplicitlyFalseWithIrrelevantDescriptor() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		ConstructorArgumentValues cavs = new ConstructorArgumentValues();
		cavs.addGenericArgumentValue(JUERGEN);
		RootBeanDefinition rbd = new RootBeanDefinition(Person.class, cavs, null);
		rbd.setAutowireCandidate(false);
		lbf.registerBeanDefinition(JUERGEN, rbd);
		assertFalse(lbf.isAutowireCandidate(JUERGEN, null));
		assertFalse(lbf.isAutowireCandidate(JUERGEN, 
				new DependencyDescriptor(Person.class.getDeclaredField("name"), false)));
		assertFalse(lbf.isAutowireCandidate(JUERGEN, 
				new DependencyDescriptor(Person.class.getDeclaredField("name"), true)));
	}

	public void testAutowireCandidateWithFieldDescriptor() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();	
		ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
		cavs1.addGenericArgumentValue(JUERGEN);
		RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
		person1.addQualifier(new AutowireCandidateQualifier(TestQualifier.class));
		lbf.registerBeanDefinition(JUERGEN, person1);
		ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
		cavs2.addGenericArgumentValue(MARK);
		RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
		lbf.registerBeanDefinition(MARK, person2);
		DependencyDescriptor qualifiedDescriptor = new DependencyDescriptor(
				QualifiedTestBean.class.getDeclaredField("qualified"), false);
		DependencyDescriptor nonqualifiedDescriptor = new DependencyDescriptor(
				QualifiedTestBean.class.getDeclaredField("nonqualified"), false);
		assertTrue(lbf.isAutowireCandidate(JUERGEN, null));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, nonqualifiedDescriptor));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, qualifiedDescriptor));
		assertTrue(lbf.isAutowireCandidate(MARK, null));
		assertTrue(lbf.isAutowireCandidate(MARK, nonqualifiedDescriptor));
		assertFalse(lbf.isAutowireCandidate(MARK, qualifiedDescriptor));
	}

	public void testAutowireCandidateExplicitlyFalseWithFieldDescriptor() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();	
		ConstructorArgumentValues cavs = new ConstructorArgumentValues();
		cavs.addGenericArgumentValue(JUERGEN);
		RootBeanDefinition person = new RootBeanDefinition(Person.class, cavs, null);
		person.setAutowireCandidate(false);
		person.addQualifier(new AutowireCandidateQualifier(TestQualifier.class));
		lbf.registerBeanDefinition(JUERGEN, person);
		DependencyDescriptor qualifiedDescriptor = new DependencyDescriptor(
				QualifiedTestBean.class.getDeclaredField("qualified"), false);
		DependencyDescriptor nonqualifiedDescriptor = new DependencyDescriptor(
				QualifiedTestBean.class.getDeclaredField("nonqualified"), false);
		assertFalse(lbf.isAutowireCandidate(JUERGEN, null));
		assertFalse(lbf.isAutowireCandidate(JUERGEN, nonqualifiedDescriptor));
		assertFalse(lbf.isAutowireCandidate(JUERGEN, qualifiedDescriptor));
	}

	public void testAutowireCandidateWithShortClassName() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();	
		ConstructorArgumentValues cavs = new ConstructorArgumentValues();
		cavs.addGenericArgumentValue(JUERGEN);
		RootBeanDefinition person = new RootBeanDefinition(Person.class, cavs, null);
		person.addQualifier(new AutowireCandidateQualifier(ClassUtils.getShortName(TestQualifier.class)));
		lbf.registerBeanDefinition(JUERGEN, person);
		DependencyDescriptor qualifiedDescriptor = new DependencyDescriptor(
				QualifiedTestBean.class.getDeclaredField("qualified"), false);
		DependencyDescriptor nonqualifiedDescriptor = new DependencyDescriptor(
				QualifiedTestBean.class.getDeclaredField("nonqualified"), false);
		assertTrue(lbf.isAutowireCandidate(JUERGEN, null));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, nonqualifiedDescriptor));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, qualifiedDescriptor));
	}

	public void testAutowireCandidateWithConstructorDescriptor() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();	
		ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
		cavs1.addGenericArgumentValue(JUERGEN);
		RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
		person1.addQualifier(new AutowireCandidateQualifier(TestQualifier.class));
		lbf.registerBeanDefinition(JUERGEN, person1);
		ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
		cavs2.addGenericArgumentValue(MARK);
		RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
		lbf.registerBeanDefinition(MARK, person2);
		MethodParameter param = new MethodParameter(QualifiedTestBean.class.getDeclaredConstructor(Person.class), 0);
		DependencyDescriptor qualifiedDescriptor = new DependencyDescriptor(param, false);
		param.initParameterNameDiscovery(new LocalVariableTableParameterNameDiscoverer());
		assertEquals("tpb", param.getParameterName());
		assertTrue(lbf.isAutowireCandidate(JUERGEN, null));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, qualifiedDescriptor));
		assertFalse(lbf.isAutowireCandidate(MARK, qualifiedDescriptor));
	}

	public void testAutowireCandidateWithMethodDescriptor() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();	
		ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
		cavs1.addGenericArgumentValue(JUERGEN);
		RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
		person1.addQualifier(new AutowireCandidateQualifier(TestQualifier.class));
		lbf.registerBeanDefinition(JUERGEN, person1);
		ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
		cavs2.addGenericArgumentValue(MARK);
		RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
		lbf.registerBeanDefinition(MARK, person2);
		MethodParameter qualifiedParam =
				new MethodParameter(QualifiedTestBean.class.getDeclaredMethod("autowireQualified", Person.class), 0);
		MethodParameter nonqualifiedParam =
				new MethodParameter(QualifiedTestBean.class.getDeclaredMethod("autowireNonqualified", Person.class), 0);
		DependencyDescriptor qualifiedDescriptor = new DependencyDescriptor(qualifiedParam, false);
		DependencyDescriptor nonqualifiedDescriptor = new DependencyDescriptor(nonqualifiedParam, false);
		qualifiedParam.initParameterNameDiscovery(new LocalVariableTableParameterNameDiscoverer());
		assertEquals("tpb", qualifiedParam.getParameterName());
		nonqualifiedParam.initParameterNameDiscovery(new LocalVariableTableParameterNameDiscoverer());
		assertEquals("tpb", nonqualifiedParam.getParameterName());
		assertTrue(lbf.isAutowireCandidate(JUERGEN, null));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, nonqualifiedDescriptor));
		assertTrue(lbf.isAutowireCandidate(JUERGEN, qualifiedDescriptor));
		assertTrue(lbf.isAutowireCandidate(MARK, null));
		assertTrue(lbf.isAutowireCandidate(MARK, nonqualifiedDescriptor));
		assertFalse(lbf.isAutowireCandidate(MARK, qualifiedDescriptor));
	}

	public void testAutowireCandidateWithMultipleCandidatesDescriptor() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();	
		ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
		cavs1.addGenericArgumentValue(JUERGEN);
		RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
		person1.addQualifier(new AutowireCandidateQualifier(TestQualifier.class));
		lbf.registerBeanDefinition(JUERGEN, person1);
		ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
		cavs2.addGenericArgumentValue(MARK);
		RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
		person2.addQualifier(new AutowireCandidateQualifier(TestQualifier.class));
		lbf.registerBeanDefinition(MARK, person2);
		DependencyDescriptor qualifiedDescriptor = new DependencyDescriptor(
				new MethodParameter(QualifiedTestBean.class.getDeclaredConstructor(Person.class), 0),
				false);
		assertTrue(lbf.isAutowireCandidate(JUERGEN, qualifiedDescriptor));
		assertTrue(lbf.isAutowireCandidate(MARK, qualifiedDescriptor));
	}


	private static class QualifiedTestBean {

		@TestQualifier
		private Person qualified;

		private Person nonqualified;

		public QualifiedTestBean(@TestQualifier Person tpb) {
		}

		public void autowireQualified(@TestQualifier Person tpb) {
		}

		public void autowireNonqualified(Person tpb) {
		}
	}


	private static class Person {

		private String name;

		public Person(String name) {
			this.name = name;
		}

		public String getName() {
			return this.name;
		}
	}


	@Target({ElementType.FIELD, ElementType.PARAMETER})
	@Retention(RetentionPolicy.RUNTIME)
	@Qualifier
	private static @interface TestQualifier {
	}

}

Other Spring Framework examples (source code examples)

Here is a short list of links related to this Spring Framework QualifierAnnotationAutowireBeanFactoryTests.java source code file:

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