/*
* 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.core.metamodel.facets.object.autocomplete;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.List;
import org.apache.isis.core.commons.authentication.AuthenticationSession;
import org.apache.isis.core.commons.authentication.AuthenticationSessionProvider;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
import org.apache.isis.core.metamodel.consent.InteractionInitiatedBy;
import org.apache.isis.core.metamodel.deployment.DeploymentCategory;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.collections.modify.CollectionFacet;
import org.apache.isis.core.metamodel.facets.param.autocomplete.MinLengthUtil;
import org.apache.isis.core.metamodel.services.ServicesInjector;
import org.apache.isis.core.metamodel.services.publishing.PublishingServiceInternal;
public abstract class AutoCompleteFacetAbstract extends FacetAbstract implements AutoCompleteFacet {
public static Class<? extends Facet> type() {
return AutoCompleteFacet.class;
}
private final DeploymentCategory deploymentCategory;
private final AuthenticationSessionProvider authenticationSessionProvider;
private final AdapterManager adapterManager;
private final ServicesInjector servicesInjector;
private final Class<?> repositoryClass;
private final Method repositoryMethod;
/**
* lazily populated
*/
private Integer minLength;
public AutoCompleteFacetAbstract(
final FacetHolder holder,
final Class<?> repositoryClass,
final Method repositoryMethod,
final ServicesInjector servicesInjector) {
super(type(), holder, Derivation.NOT_DERIVED);
this.repositoryClass = repositoryClass;
this.repositoryMethod = repositoryMethod;
this.deploymentCategory = servicesInjector.getDeploymentCategoryProvider().getDeploymentCategory();
this.adapterManager = servicesInjector.getPersistenceSessionServiceInternal();
this.servicesInjector = servicesInjector;
this.authenticationSessionProvider = servicesInjector.getAuthenticationSessionProvider();
}
@Override
public List<ObjectAdapter> execute(
final String search,
final InteractionInitiatedBy interactionInitiatedBy) {
final ObjectAdapter resultAdapter =
getPublishingServiceInternal().withPublishingSuppressed(new PublishingServiceInternal.Block<ObjectAdapter>() {
@Override
public ObjectAdapter exec() {
final Object list = invoke();
return adapterManager.adapterFor(list);
}
private Object invoke() {
try {
return repositoryMethod.invoke(getRepository(), search);
} catch (IllegalAccessException | InvocationTargetException e) {
return Collections.emptyList();
}
}
});
// check a collection was returned
if(CollectionFacet.Utils.getCollectionFacetFromSpec(resultAdapter) == null) {
return Collections.emptyList();
}
final CollectionFacet facet = CollectionFacet.Utils.getCollectionFacetFromSpec(resultAdapter);
final Iterable<ObjectAdapter> adapterList = facet.iterable(resultAdapter);
return ObjectAdapter.Util.visibleAdapters(adapterList, interactionInitiatedBy);
}
private Object getRepository() {
return servicesInjector.lookupService(repositoryClass);
}
private PublishingServiceInternal getPublishingServiceInternal() {
return servicesInjector.lookupService(PublishingServiceInternal.class);
}
@Override
public int getMinLength() {
if(minLength == null) {
minLength = MinLengthUtil.determineMinLength(repositoryMethod);
}
return minLength;
}
protected DeploymentCategory getDeploymentCategory() {
return deploymentCategory;
}
protected AuthenticationSession getAuthenticationSession() {
return authenticationSessionProvider.getAuthenticationSession();
}
}