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ClassMetadata.java
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ClassMetadata.java
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package org.rapidoid.ioc;
import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.beany.Metadata;
import org.rapidoid.cls.Cls;
import org.rapidoid.u.U;
import org.rapidoid.util.Msc;
import javax.annotation.Resource;
import javax.inject.Inject;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.Collections;
import java.util.List;
/*
* #%L
* rapidoid-inject
* %%
* Copyright (C) 2014 - 2016 Nikolche Mihajlovski and contributors
* %%
* 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.
* #L%
*/
@Authors("Nikolche Mihajlovski")
@Since("5.1.0")
public class ClassMetadata extends RapidoidThing {
public final Class<?> clazz;
public final List<Field> injectableFields;
public final List<Class<?>> typesToManage;
public ClassMetadata(Class<?> clazz) {
this.clazz = clazz;
this.injectableFields = Collections.synchronizedList(getInjectableFields(clazz));
this.typesToManage = Collections.synchronizedList(getTypesToManage(clazz));
}
public static List<Class<?>> getTypesToManage(Class<?> clazz) {
List<Class<?>> types = U.list();
Manage depAnn = Metadata.getAnnotationRecursive(clazz, Manage.class);
if (depAnn != null) {
Collections.addAll(types, depAnn.value());
}
return types;
}
public static List<Field> getInjectableFields(Class<?> clazz) {
List<Field> fields = U.list();
fields.addAll(Cls.getFieldsAnnotated(clazz, Wired.class));
fields.addAll(Cls.getFieldsAnnotated(clazz, Resource.class));
fields.addAll(Cls.getFieldsAnnotated(clazz, Inject.class));
if (Msc.hasJPA()) {
Class<Annotation> javaxPersistenceContext = Cls.get("javax.persistence.PersistenceContext");
List<Field> emFields = Cls.getFieldsAnnotated(clazz, javaxPersistenceContext);
for (Field emField : emFields) {
U.must(emField.getType().getName().equals("javax.persistence.EntityManager"), "Expected EntityManager type!");
}
fields.addAll(emFields);
}
return fields;
}
}