/*
* 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.properties.multiline.annotation;
import java.util.Properties;
import org.apache.isis.applib.annotation.MultiLine;
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.ContributeeMemberFacetFactory;
import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.propparam.labelat.LabelAtFacetInferredFromMultiLineFacet;
import org.apache.isis.core.metamodel.facets.propparam.multiline.MultiLineFacet;
public class MultiLineFacetOnPropertyFactory extends FacetFactoryAbstract implements ContributeeMemberFacetFactory {
public MultiLineFacetOnPropertyFactory() {
super(FeatureType.PROPERTIES_ONLY);
}
@Override
public void process(final ProcessMethodContext processMethodContext) {
MultiLineFacet facet = createFromMetadataPropertiesIfPossible(processMethodContext);
if(facet == null) {
facet = createFromAnnotationIfPossible(processMethodContext);
}
// no-op if null
FacetUtil.addFacet(facet);
// no-op if null
inferLabelAtFacet(facet);
}
private static void inferLabelAtFacet(MultiLineFacet facet) {
if (facet == null) {
return;
}
FacetUtil.addFacet(new LabelAtFacetInferredFromMultiLineFacet(facet.getFacetHolder()));
}
@Override
public void process(ProcessContributeeMemberContext processMemberContext) {
}
private static MultiLineFacet createFromMetadataPropertiesIfPossible(
final ProcessContextWithMetadataProperties<? extends FacetHolder> pcwmp) {
final FacetHolder holder = pcwmp.getFacetHolder();
final Properties properties = pcwmp.metadataProperties("multiLine");
return properties != null ? new MultiLineFacetOnPropertyFromProperties(properties, holder) : null;
}
private static MultiLineFacetOnPropertyAnnotation createFromAnnotationIfPossible(final ProcessMethodContext processMethodContext) {
final Class<?> returnType = processMethodContext.getMethod().getReturnType();
if (!Annotations.isString(returnType)) {
return null;
}
final MultiLine annotation = Annotations.getAnnotation(processMethodContext.getMethod(), MultiLine.class);
return (annotation != null) ? new MultiLineFacetOnPropertyAnnotation(annotation.numberOfLines(), annotation.preventWrapping(), processMethodContext.getFacetHolder()) : null;
}
}