/*
* 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.value.annotcfg;
import com.google.common.base.Strings;
import org.apache.isis.applib.annotation.Value;
import org.apache.isis.core.commons.config.IsisConfiguration;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.object.value.ValueFacetAbstract;
import org.apache.isis.core.metamodel.facets.object.value.vsp.ValueSemanticsProviderUtil;
import org.apache.isis.core.metamodel.services.ServicesInjector;
public class ValueFacetAnnotation extends ValueFacetAbstract {
private static String semanticsProviderName(final Class<?> annotatedClass, final IsisConfiguration configuration) {
final Value annotation = annotatedClass.getAnnotation(Value.class);
final String semanticsProviderName = annotation.semanticsProviderName();
if (!Strings.isNullOrEmpty(semanticsProviderName)) {
return semanticsProviderName;
}
return ValueSemanticsProviderUtil.semanticsProviderNameFromConfiguration(annotatedClass, configuration);
}
private static Class<?> semanticsProviderClass(final Class<?> annotatedClass) {
final Value annotation = annotatedClass.getAnnotation(Value.class);
return annotation.semanticsProviderClass();
}
public ValueFacetAnnotation(final Class<?> annotatedClass, final FacetHolder holder, final ServicesInjector context) {
this(semanticsProviderName(annotatedClass, context.getConfigurationServiceInternal()), semanticsProviderClass(annotatedClass), holder, context);
}
private ValueFacetAnnotation(final String candidateSemanticsProviderName, final Class<?> candidateSemanticsProviderClass, final FacetHolder holder, final ServicesInjector context) {
super(ValueSemanticsProviderUtil.valueSemanticsProviderOrNull(candidateSemanticsProviderClass, candidateSemanticsProviderName), AddFacetsIfInvalidStrategy.DO_ADD, holder, context);
}
/**
* Always valid, even if the specified semanticsProviderName might have been
* wrong.
*/
@Override
public boolean isValid() {
return true;
}
}