/*
* Copyright 2002-2013 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.context.annotation.jsr330;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.inject.Named;
import javax.inject.Singleton;
import org.junit.After;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import org.springframework.aop.support.AopUtils;
import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.ClassPathBeanDefinitionScanner;
import org.springframework.context.annotation.ScopeMetadata;
import org.springframework.context.annotation.ScopeMetadataResolver;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpSession;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.context.support.GenericWebApplicationContext;
/**
* @author Mark Fisher
* @author Juergen Hoeller
* @author Chris Beams
*/
public class ClassPathBeanDefinitionScannerJsr330ScopeIntegrationTests {
private static final String DEFAULT_NAME = "default";
private static final String MODIFIED_NAME = "modified";
private ServletRequestAttributes oldRequestAttributes;
private ServletRequestAttributes newRequestAttributes;
private ServletRequestAttributes oldRequestAttributesWithSession;
private ServletRequestAttributes newRequestAttributesWithSession;
@Before
public void setUp() {
this.oldRequestAttributes = new ServletRequestAttributes(new MockHttpServletRequest());
this.newRequestAttributes = new ServletRequestAttributes(new MockHttpServletRequest());
MockHttpServletRequest oldRequestWithSession = new MockHttpServletRequest();
oldRequestWithSession.setSession(new MockHttpSession());
this.oldRequestAttributesWithSession = new ServletRequestAttributes(oldRequestWithSession);
MockHttpServletRequest newRequestWithSession = new MockHttpServletRequest();
newRequestWithSession.setSession(new MockHttpSession());
this.newRequestAttributesWithSession = new ServletRequestAttributes(newRequestWithSession);
}
@After
public void tearDown() throws Exception {
RequestContextHolder.setRequestAttributes(null);
}
@Test
public void testPrototype() {
ApplicationContext context = createContext(ScopedProxyMode.NO);
ScopedTestBean bean = (ScopedTestBean) context.getBean("prototype");
assertNotNull(bean);
assertTrue(context.isPrototype("prototype"));
assertFalse(context.isSingleton("prototype"));
}
@Test
public void testSingletonScopeWithNoProxy() {
RequestContextHolder.setRequestAttributes(oldRequestAttributes);
ApplicationContext context = createContext(ScopedProxyMode.NO);
ScopedTestBean bean = (ScopedTestBean) context.getBean("singleton");
assertTrue(context.isSingleton("singleton"));
assertFalse(context.isPrototype("singleton"));
// should not be a proxy
assertFalse(AopUtils.isAopProxy(bean));
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributes);
// not a proxy so this should not have changed
assertEquals(MODIFIED_NAME, bean.getName());
// singleton bean, so name should be modified even after lookup
ScopedTestBean bean2 = (ScopedTestBean) context.getBean("singleton");
assertEquals(MODIFIED_NAME, bean2.getName());
}
@Test
public void testSingletonScopeIgnoresProxyInterfaces() {
RequestContextHolder.setRequestAttributes(oldRequestAttributes);
ApplicationContext context = createContext(ScopedProxyMode.INTERFACES);
ScopedTestBean bean = (ScopedTestBean) context.getBean("singleton");
// should not be a proxy
assertFalse(AopUtils.isAopProxy(bean));
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributes);
// not a proxy so this should not have changed
assertEquals(MODIFIED_NAME, bean.getName());
// singleton bean, so name should be modified even after lookup
ScopedTestBean bean2 = (ScopedTestBean) context.getBean("singleton");
assertEquals(MODIFIED_NAME, bean2.getName());
}
@Test
public void testSingletonScopeIgnoresProxyTargetClass() {
RequestContextHolder.setRequestAttributes(oldRequestAttributes);
ApplicationContext context = createContext(ScopedProxyMode.TARGET_CLASS);
ScopedTestBean bean = (ScopedTestBean) context.getBean("singleton");
// should not be a proxy
assertFalse(AopUtils.isAopProxy(bean));
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributes);
// not a proxy so this should not have changed
assertEquals(MODIFIED_NAME, bean.getName());
// singleton bean, so name should be modified even after lookup
ScopedTestBean bean2 = (ScopedTestBean) context.getBean("singleton");
assertEquals(MODIFIED_NAME, bean2.getName());
}
@Test
public void testRequestScopeWithNoProxy() {
RequestContextHolder.setRequestAttributes(oldRequestAttributes);
ApplicationContext context = createContext(ScopedProxyMode.NO);
ScopedTestBean bean = (ScopedTestBean) context.getBean("request");
// should not be a proxy
assertFalse(AopUtils.isAopProxy(bean));
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributes);
// not a proxy so this should not have changed
assertEquals(MODIFIED_NAME, bean.getName());
// but a newly retrieved bean should have the default name
ScopedTestBean bean2 = (ScopedTestBean) context.getBean("request");
assertEquals(DEFAULT_NAME, bean2.getName());
}
@Test
public void testRequestScopeWithProxiedInterfaces() {
RequestContextHolder.setRequestAttributes(oldRequestAttributes);
ApplicationContext context = createContext(ScopedProxyMode.INTERFACES);
IScopedTestBean bean = (IScopedTestBean) context.getBean("request");
// should be dynamic proxy, implementing both interfaces
assertTrue(AopUtils.isJdkDynamicProxy(bean));
assertTrue(bean instanceof AnotherScopeTestInterface);
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributes);
// this is a proxy so it should be reset to default
assertEquals(DEFAULT_NAME, bean.getName());
RequestContextHolder.setRequestAttributes(oldRequestAttributes);
assertEquals(MODIFIED_NAME, bean.getName());
}
@Test
public void testRequestScopeWithProxiedTargetClass() {
RequestContextHolder.setRequestAttributes(oldRequestAttributes);
ApplicationContext context = createContext(ScopedProxyMode.TARGET_CLASS);
IScopedTestBean bean = (IScopedTestBean) context.getBean("request");
// should be a class-based proxy
assertTrue(AopUtils.isCglibProxy(bean));
assertTrue(bean instanceof RequestScopedTestBean);
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributes);
// this is a proxy so it should be reset to default
assertEquals(DEFAULT_NAME, bean.getName());
RequestContextHolder.setRequestAttributes(oldRequestAttributes);
assertEquals(MODIFIED_NAME, bean.getName());
}
@Test
public void testSessionScopeWithNoProxy() {
RequestContextHolder.setRequestAttributes(oldRequestAttributesWithSession);
ApplicationContext context = createContext(ScopedProxyMode.NO);
ScopedTestBean bean = (ScopedTestBean) context.getBean("session");
// should not be a proxy
assertFalse(AopUtils.isAopProxy(bean));
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributesWithSession);
// not a proxy so this should not have changed
assertEquals(MODIFIED_NAME, bean.getName());
// but a newly retrieved bean should have the default name
ScopedTestBean bean2 = (ScopedTestBean) context.getBean("session");
assertEquals(DEFAULT_NAME, bean2.getName());
}
@Test
public void testSessionScopeWithProxiedInterfaces() {
RequestContextHolder.setRequestAttributes(oldRequestAttributesWithSession);
ApplicationContext context = createContext(ScopedProxyMode.INTERFACES);
IScopedTestBean bean = (IScopedTestBean) context.getBean("session");
// should be dynamic proxy, implementing both interfaces
assertTrue(AopUtils.isJdkDynamicProxy(bean));
assertTrue(bean instanceof AnotherScopeTestInterface);
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributesWithSession);
// this is a proxy so it should be reset to default
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
IScopedTestBean bean2 = (IScopedTestBean) context.getBean("session");
assertEquals(MODIFIED_NAME, bean2.getName());
bean2.setName(DEFAULT_NAME);
assertEquals(DEFAULT_NAME, bean.getName());
RequestContextHolder.setRequestAttributes(oldRequestAttributesWithSession);
assertEquals(MODIFIED_NAME, bean.getName());
}
@Test
public void testSessionScopeWithProxiedTargetClass() {
RequestContextHolder.setRequestAttributes(oldRequestAttributesWithSession);
ApplicationContext context = createContext(ScopedProxyMode.TARGET_CLASS);
IScopedTestBean bean = (IScopedTestBean) context.getBean("session");
// should be a class-based proxy
assertTrue(AopUtils.isCglibProxy(bean));
assertTrue(bean instanceof ScopedTestBean);
assertTrue(bean instanceof SessionScopedTestBean);
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
RequestContextHolder.setRequestAttributes(newRequestAttributesWithSession);
// this is a proxy so it should be reset to default
assertEquals(DEFAULT_NAME, bean.getName());
bean.setName(MODIFIED_NAME);
IScopedTestBean bean2 = (IScopedTestBean) context.getBean("session");
assertEquals(MODIFIED_NAME, bean2.getName());
bean2.setName(DEFAULT_NAME);
assertEquals(DEFAULT_NAME, bean.getName());
RequestContextHolder.setRequestAttributes(oldRequestAttributesWithSession);
assertEquals(MODIFIED_NAME, bean.getName());
}
private ApplicationContext createContext(final ScopedProxyMode scopedProxyMode) {
GenericWebApplicationContext context = new GenericWebApplicationContext();
ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context);
scanner.setIncludeAnnotationConfig(false);
scanner.setScopeMetadataResolver(new ScopeMetadataResolver() {
@Override
public ScopeMetadata resolveScopeMetadata(BeanDefinition definition) {
ScopeMetadata metadata = new ScopeMetadata();
if (definition instanceof AnnotatedBeanDefinition) {
AnnotatedBeanDefinition annDef = (AnnotatedBeanDefinition) definition;
for (String type : annDef.getMetadata().getAnnotationTypes()) {
if (type.equals(javax.inject.Singleton.class.getName())) {
metadata.setScopeName(BeanDefinition.SCOPE_SINGLETON);
break;
}
else if (annDef.getMetadata().getMetaAnnotationTypes(type).contains(javax.inject.Scope.class.getName())) {
metadata.setScopeName(type.substring(type.length() - 13, type.length() - 6).toLowerCase());
metadata.setScopedProxyMode(scopedProxyMode);
break;
}
else if (type.startsWith("javax.inject")) {
metadata.setScopeName(BeanDefinition.SCOPE_PROTOTYPE);
}
}
}
return metadata;
}
});
// Scan twice in order to find errors in the bean definition compatibility check.
scanner.scan(getClass().getPackage().getName());
scanner.scan(getClass().getPackage().getName());
context.registerAlias("classPathBeanDefinitionScannerJsr330ScopeIntegrationTests.SessionScopedTestBean", "session");
context.refresh();
return context;
}
public static interface IScopedTestBean {
String getName();
void setName(String name);
}
public static abstract class ScopedTestBean implements IScopedTestBean {
private String name = DEFAULT_NAME;
@Override
public String getName() { return this.name; }
@Override
public void setName(String name) { this.name = name; }
}
@Named("prototype")
public static class PrototypeScopedTestBean extends ScopedTestBean {
}
@Named("singleton")
@Singleton
public static class SingletonScopedTestBean extends ScopedTestBean {
}
public static interface AnotherScopeTestInterface {
}
@Named("request")
@RequestScoped
public static class RequestScopedTestBean extends ScopedTestBean implements AnotherScopeTestInterface {
}
@Named
@SessionScoped
public static class SessionScopedTestBean extends ScopedTestBean implements AnotherScopeTestInterface {
}
@Target({ElementType.FIELD, ElementType.PARAMETER, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@javax.inject.Scope
public static @interface RequestScoped {
}
@Target({ElementType.FIELD, ElementType.PARAMETER, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@javax.inject.Scope
public static @interface SessionScoped {
}
}