/*
* 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.component;
import org.seasar.framework.container.AutoBindingDef;
import org.seasar.framework.container.ComponentDef;
import org.seasar.framework.container.InstanceDef;
import org.seasar.framework.container.annotation.tiger.AutoBindingType;
import org.seasar.framework.container.annotation.tiger.Component;
import org.seasar.framework.container.annotation.tiger.InstanceType;
import org.seasar.framework.container.assembler.AutoBindingDefFactory;
import org.seasar.framework.container.deployer.InstanceDefFactory;
import org.seasar.framework.container.factory.AnnotationHandler;
import org.seasar.framework.container.factory.ComponentDefBuilder;
import org.seasar.framework.container.impl.ComponentDefImpl;
import org.seasar.framework.util.StringUtil;
/**
* {@link Component}アノテーションを読み取り{@link ComponentDef}を作成するコンポーネントの実装クラスです。
*
* @author koichik
*/
public class PojoComponentDefBuilder implements ComponentDefBuilder {
/**
* インスタンスを構築します。
*/
public PojoComponentDefBuilder() {
}
public ComponentDef createComponentDef(
final AnnotationHandler annotationHandler,
final Class<?> componentClass,
final InstanceDef defaultInstanceDef,
final AutoBindingDef defaultAutoBindingDef,
final boolean defaultExternalBinding) {
final Component component = componentClass
.getAnnotation(Component.class);
if (component == null) {
return null;
}
final ComponentDef componentDef = new ComponentDefImpl(componentClass);
if (!StringUtil.isEmpty(component.name())) {
componentDef.setComponentName(component.name());
}
componentDef.setInstanceDef(getInstanceDef(component,
defaultInstanceDef));
componentDef.setAutoBindingDef(getAutoBindingDef(component,
defaultAutoBindingDef));
componentDef.setExternalBinding(component.externalBinding());
return componentDef;
}
/**
* {@link InstanceDef インスタンス定義}を返します。
* <p>
* {@link Component#instance()}が指定されていればその値を返します。 指定されていない場合はデフォルト値を返します。
* </p>
*
* @param component
* {@link Component}アノテーション
* @param defaultInstanceDef
* デフォルトの{@link InstanceDef インスタンス定義}
* @return {@link InstanceDef インスタンス定義}
*/
protected InstanceDef getInstanceDef(final Component component,
final InstanceDef defaultInstanceDef) {
final InstanceType instanceType = component.instance();
if (instanceType == null || StringUtil.isEmpty(instanceType.getName())) {
return defaultInstanceDef;
}
return InstanceDefFactory.getInstanceDef(instanceType.getName());
}
/**
* {@link AutoBindingDef 自動バインディング定義}を返します。
* <p>
* {@link Component#autoBinding()}が指定されていればその値を返します。
* 指定されていない場合はデフォルト値を返します。
* </p>
*
* @param component
* {@link Component}アノテーション
* @param defaultAutoBindingDef
* デフォルトの{@link AutoBindingDef 自動バインディング定義}
* @return {@link AutoBindingDef 自動バインディング定義}
*/
protected AutoBindingDef getAutoBindingDef(final Component component,
final AutoBindingDef defaultAutoBindingDef) {
final AutoBindingType autoBindingType = component.autoBinding();
if (autoBindingType == null
|| StringUtil.isEmpty(autoBindingType.getName())) {
return defaultAutoBindingDef;
}
return AutoBindingDefFactory.getAutoBindingDef(autoBindingType
.getName());
}
}