/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.jooby.internal.mongodb;
import static java.util.Objects.requireNonNull;
import java.lang.reflect.Constructor;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.inject.Inject;
import org.jooby.Registry;
import org.mongodb.morphia.Morphia;
import org.mongodb.morphia.ObjectFactory;
import org.mongodb.morphia.mapping.MappedField;
import org.mongodb.morphia.mapping.Mapper;
import org.mongodb.morphia.mapping.MapperOptions;
import com.mongodb.DBObject;
public class GuiceObjectFactory implements ObjectFactory {
private Registry injector;
private ObjectFactory delegate;
public GuiceObjectFactory(final Registry injector, final Morphia morphia) {
this.injector = requireNonNull(injector, "Injector is required.");
MapperOptions options = morphia.getMapper().getOptions();
this.delegate = options.getObjectFactory();
options.setObjectFactory(this);
}
@Override
public <T> T createInstance(final Class<T> clazz) {
if (shouldInject(clazz)) {
return injector.require(clazz);
}
return delegate.createInstance(clazz);
}
@Override
public <T> T createInstance(final Class<T> clazz, final DBObject dbObj) {
if (shouldInject(clazz)) {
return injector.require(clazz);
}
return delegate.createInstance(clazz, dbObj);
}
@Override
public Object createInstance(final Mapper mapper, final MappedField mf, final DBObject dbObj) {
Class<?> clazz = mf.getType();
if (shouldInject(clazz)) {
return injector.require(clazz);
}
return delegate.createInstance(mapper, mf, dbObj);
}
@Override
public Map<?, ?> createMap(final MappedField mf) {
return delegate.createMap(mf);
}
@Override
public List<?> createList(final MappedField mf) {
return delegate.createList(mf);
}
@Override
public Set<?> createSet(final MappedField mf) {
return delegate.createSet(mf);
}
private boolean shouldInject(final Class<?> clazz) {
for(Constructor<?> constructor : clazz.getDeclaredConstructors()) {
if (constructor.getAnnotation(Inject.class) != null) {
return true;
}
}
return false;
}
}