/**
* 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.apache.isis.viewer.wicket.viewer.services;
import java.lang.annotation.Annotation;
import com.google.inject.Injector;
import com.google.inject.Key;
import org.apache.wicket.Application;
import org.apache.wicket.guice.GuiceInjectorHolder;
import org.apache.isis.applib.annotation.DomainService;
import org.apache.isis.applib.annotation.NatureOfService;
import org.apache.isis.applib.annotation.Programmatic;
import org.apache.isis.applib.services.guice.GuiceBeanProvider;
/**
* An implementation of {@link org.apache.isis.applib.services.guice.GuiceBeanProvider}
* that uses the Injector configured for Wicket
*/
@DomainService(
nature = NatureOfService.DOMAIN,
menuOrder = "" + Integer.MAX_VALUE
)
public class GuiceBeanProviderWicket implements GuiceBeanProvider {
@Programmatic
@Override
public <T> T lookup(final Class<T> beanType) {
final Application application = Application.get();
final GuiceInjectorHolder injectorHolder = application.getMetaData(GuiceInjectorHolder.INJECTOR_KEY);
final Injector injector = injectorHolder.getInjector();
return injector.getInstance(beanType);
}
@Programmatic
@Override
public <T> T lookup(final Class<T> beanType, final Annotation qualifier) {
final Application application = Application.get();
final GuiceInjectorHolder injectorHolder = application.getMetaData(GuiceInjectorHolder.INJECTOR_KEY);
final Injector injector = injectorHolder.getInjector();
return injector.getInstance(Key.get(beanType, qualifier));
}
}