/*
* 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.extension.dxo.annotation.impl;
import java.lang.reflect.Constructor;
import org.seasar.extension.dxo.annotation.AnnotationReader;
import org.seasar.extension.dxo.annotation.AnnotationReaderFactory;
import org.seasar.framework.container.S2Container;
import org.seasar.framework.exception.ClassNotFoundRuntimeException;
import org.seasar.framework.util.ClassUtil;
import org.seasar.framework.util.ConstructorUtil;
/**
* 実行環境で利用可能な{@link AnnotationReader}のインスタンスを作成するファクトリの実装クラスです。
* <p>
* Java5以上が利用可能な環境では{@link org.seasar.extension.dxo.annotation.impl.TigerAnnotationReader}のインスタンスを返します。
* そうでない場合は{@link org.seasar.extension.dxo.annotation.impl.ConstantAnnotationReader}を返します。
* </p>
*
* @author Satoshi Kimura
* @author koichik
*/
public class AnnotationReaderFactoryImpl implements AnnotationReaderFactory {
/** {@link org.seasar.extension.dxo.annotation.impl.TigerAnnotationReader}のFQN名 */
protected static final String TIGER_ANNOTATION_HANDLER_CLASS_NAME = "org.seasar.extension.dxo.annotation.impl.TigerAnnotationReader";
/** S2コンテナ */
protected S2Container container;
/** 実行環境で利用可能な{@link AnnotationReader} */
protected AnnotationReader annotationReader;
/**
* インスタンスを構築します。
*
* @param container
* S2コンテナ
*/
public AnnotationReaderFactoryImpl(final S2Container container) {
this.container = container;
annotationReader = new ConstantAnnotationReader(container);
try {
final Class clazz = ClassUtil
.forName(TIGER_ANNOTATION_HANDLER_CLASS_NAME);
final Constructor ctor = ClassUtil.getConstructor(clazz,
new Class[] { S2Container.class, AnnotationReader.class });
annotationReader = (AnnotationReader) ConstructorUtil.newInstance(
ctor, new Object[] { container, annotationReader });
} catch (final ClassNotFoundRuntimeException ignore) {
}
}
public AnnotationReader getAnnotationReader() {
return annotationReader;
}
}