/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* 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.seasar.framework.container.factory.aspect;
import java.lang.reflect.Method;
import java.util.Map;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import javax.interceptor.AroundInvoke;
import javax.interceptor.Interceptors;
import org.aopalliance.intercept.MethodInterceptor;
import org.seasar.framework.aop.impl.PointcutImpl;
import org.seasar.framework.container.AspectDef;
import org.seasar.framework.container.ComponentDef;
import org.seasar.framework.container.factory.AnnotationHandler;
import org.seasar.framework.container.factory.AspectDefFactory;
import org.seasar.framework.ejb.EJB3BusinessMethodDesc;
import org.seasar.framework.ejb.EJB3Desc;
import org.seasar.framework.ejb.EJB3DescFactory;
import org.seasar.framework.ejb.EJB3InterceptorDesc;
import org.seasar.framework.ejb.impl.AroundInvokeSupportInterceptor;
import org.seasar.framework.ejb.impl.EJB3InterceptorSupportInterceptor;
import org.seasar.framework.util.tiger.CollectionsUtil;
/**
* EJB3の{@link TransactionAttribute}、{@link Interceptors}、{@link AroundInvoke}アノテーションを読み取り{@link AspectDef}を作成するコンポーネントの実装クラスです。
*
* @author koichik
*/
public class EJB3AnnotationAspectDefBuilder extends AbstractAspectDefBuilder {
private static final Map<TransactionAttributeType, String> txInterceptors = CollectionsUtil
.newHashMap();
static {
txInterceptors.put(TransactionAttributeType.MANDATORY,
"ejb3tx.mandatoryTx");
txInterceptors.put(TransactionAttributeType.REQUIRED,
"ejb3tx.requiredTx");
txInterceptors.put(TransactionAttributeType.REQUIRES_NEW,
"ejb3tx.requiresNewTx");
txInterceptors.put(TransactionAttributeType.NOT_SUPPORTED,
"ejb3tx.notSupportedTx");
txInterceptors.put(TransactionAttributeType.NEVER, "ejb3tx.neverTx");
}
public void appendAspectDef(final AnnotationHandler annotationHandler,
final ComponentDef componentDef) {
final Class<?> componentClass = componentDef.getComponentClass();
if (componentClass == null) {
return;
}
final EJB3Desc ejb3desc = EJB3DescFactory.getEJB3Desc(componentClass);
if (ejb3desc == null) {
return;
}
appendEJB3TxAspect(componentDef, ejb3desc);
appendEJB3InterceptorsAspect(componentDef, ejb3desc);
appendEJB3AroundInvokeAspect(componentDef, ejb3desc);
}
/**
* {@link TransactionAttribute}アノテーションを読み取り{@link AspectDef アスペクト定義}を作成して{@link ComponentDef コンポーネント定義}に追加します。
*
* @param componentDef
* コンポーネント定義
* @param ejb3desc
* {@link EJB3Desc}
*/
protected void appendEJB3TxAspect(final ComponentDef componentDef,
final EJB3Desc ejb3desc) {
if (!ejb3desc.isCMT()) {
return;
}
for (final EJB3BusinessMethodDesc methodDesc : ejb3desc
.getBusinessMethods()) {
final String txInterceptor = txInterceptors.get(methodDesc
.getTransactionAttributeType());
if (txInterceptor == null) {
continue;
}
appendAspect(componentDef, txInterceptor, methodDesc.getMethod());
}
}
/**
* {@link Interceptors}アノテーションを読み取り{@link AspectDef アスペクト定義}を作成して{@link ComponentDef コンポーネント定義}に追加します。
*
* @param componentDef
* コンポーネント定義
* @param ejb3desc
* {@link EJB3Desc}
*/
protected void appendEJB3InterceptorsAspect(
final ComponentDef componentDef, final EJB3Desc ejb3desc) {
for (final EJB3BusinessMethodDesc methodDesc : ejb3desc
.getBusinessMethods()) {
for (final EJB3InterceptorDesc interceptorDesc : methodDesc
.getInterceptors()) {
for (final Method interceptorMethod : interceptorDesc
.getInterceptorMethods()) {
final EJB3InterceptorSupportInterceptor interceptor = new EJB3InterceptorSupportInterceptor(
interceptorDesc.getInterceptorClass(),
interceptorMethod);
final AspectDef aspectDef = AspectDefFactory
.createAspectDef(interceptor, new PointcutImpl(
methodDesc.getMethod()));
componentDef.addAspectDef(aspectDef);
}
}
}
}
/**
* {@link AroundInvoke}アノテーションを読み取り{@link AspectDef アスペクト定義}を作成して{@link ComponentDef コンポーネント定義}に追加します。
*
* @param componentDef
* コンポーネント定義
* @param ejb3desc
* {@link EJB3Desc}
*/
protected void appendEJB3AroundInvokeAspect(
final ComponentDef componentDef, final EJB3Desc ejb3desc) {
for (final Method aroundInvokeMethod : ejb3desc
.getAroundInvokeMethods()) {
final MethodInterceptor interceptor = new AroundInvokeSupportInterceptor(
aroundInvokeMethod);
for (final EJB3BusinessMethodDesc methodDesc : ejb3desc
.getBusinessMethods()) {
final AspectDef aspectDef = AspectDefFactory.createAspectDef(
interceptor, new PointcutImpl(methodDesc.getMethod()));
componentDef.addAspectDef(aspectDef);
}
}
}
}