/*
* 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.progmodel.facets.members.order;
import java.util.Properties;
import org.apache.isis.applib.annotation.MemberOrder;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.FacetUtil;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facets.Annotations;
import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.MemberOrderingFacetFactory;
import org.apache.isis.core.metamodel.facets.members.order.MemberOrderFacet;
import org.apache.isis.core.metamodel.specloader.specimpl.ContributeeMember;
public class MemberOrderFacetFactory extends FacetFactoryAbstract implements MemberOrderingFacetFactory {
public MemberOrderFacetFactory() {
super(FeatureType.MEMBERS);
}
@Override
public void process(final ProcessMethodContext processMethodContext) {
MemberOrderFacet memberOrderFacet = getMemberOrderFromMetadataPropertiesIfPossible(processMethodContext);
if(memberOrderFacet == null) {
final MemberOrder annotation = Annotations.getAnnotation(processMethodContext.getMethod(), MemberOrder.class);
if (annotation != null) {
memberOrderFacet = new MemberOrderFacetAnnotation(annotation.name(), annotation.sequence(), processMethodContext.getFacetHolder());
}
}
// no-op if facet is null
FacetUtil.addFacet(memberOrderFacet);
}
/**
* For ordering of {@link ContributeeMember}s.
*/
@Override
public void process(final ProcessMemberContext processMemberContext) {
final MemberOrderFacet memberOrderFacet = getMemberOrderFromMetadataPropertiesIfPossible(processMemberContext);
// no-op if facet is null
FacetUtil.addFacet(memberOrderFacet);
}
private static MemberOrderFacet getMemberOrderFromMetadataPropertiesIfPossible(final ProcessContextWithMetadataProperties<? extends FacetHolder> pcwmp) {
final FacetHolder holder = pcwmp.getFacetHolder();
final MemberOrderFacet memberOrderFacet;
final Properties properties = pcwmp.metadataProperties("memberOrder");
if(properties != null) {
memberOrderFacet = new MemberOrderFacetProperties(properties, holder);
} else {
memberOrderFacet = null;
}
return memberOrderFacet;
}
}