/*
* 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.propertylayout;
import java.util.Properties;
import com.google.common.base.Strings;
import org.apache.isis.applib.annotation.LabelPosition;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.objectvalue.labelat.LabelAtFacet;
import org.apache.isis.core.metamodel.facets.objectvalue.labelat.LabelAtFacetAbstract;
public class LabelAtFacetOnPropertyFromLayoutProperties extends LabelAtFacetAbstract {
public static LabelAtFacet create(Properties properties, FacetHolder holder) {
final LabelPosition labelPosition = labelPosition(properties);
return labelPosition != null? new LabelAtFacetOnPropertyFromLayoutProperties(labelPosition, holder): null;
}
private LabelAtFacetOnPropertyFromLayoutProperties(LabelPosition labelPosition, FacetHolder holder) {
super(labelPosition, holder);
}
private static LabelPosition labelPosition(Properties properties) {
if(properties == null) {
return null;
}
String labelPosition = Strings.emptyToNull(properties.getProperty("labelPosition"));
if(labelPosition == null) {
// alternative key (cos I keep forgetting which to use).
labelPosition = Strings.emptyToNull(properties.getProperty("labelAt"));
}
if(labelPosition == null) {
return null;
}
return LabelPosition.valueOf(labelPosition);
}
}