/*
* 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.facetdecorator.i18n;
import org.apache.isis.applib.Identifier;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.IdentifiedHolder;
import org.apache.isis.core.metamodel.facetdecorator.FacetDecoratorAbstract;
import org.apache.isis.core.metamodel.facets.all.describedas.DescribedAsFacet;
import org.apache.isis.core.metamodel.facets.all.help.HelpFacet;
import org.apache.isis.core.metamodel.facets.all.named.NamedFacet;
import org.apache.isis.core.metamodel.facetdecorator.i18n.internal.DescribedAsFacetWrapI18n;
import org.apache.isis.core.metamodel.facetdecorator.i18n.internal.HelpFacetWrapI18n;
import org.apache.isis.core.metamodel.facetdecorator.i18n.internal.NamedFacetWrapI18n;
public class I18nFacetDecorator extends FacetDecoratorAbstract {
private final I18nManager i18nManager;
public I18nFacetDecorator(final I18nManager manager) {
i18nManager = manager;
}
@Override
public Facet decorate(final Facet facet, final FacetHolder facetHolder) {
if (!(facetHolder instanceof IdentifiedHolder)) {
return null;
}
final IdentifiedHolder identifiedHolder = (IdentifiedHolder) facetHolder;
final Class<?> facetType = facet.facetType();
if (facetType == NamedFacet.class) {
return decorateWithNamedFacet(facet, identifiedHolder);
}
if (facetType == DescribedAsFacet.class) {
return decorateWithDescribedAsFacet(facet, identifiedHolder);
}
if (facetType == HelpFacet.class) {
return decorateWithHelpFacet(facet, identifiedHolder);
}
return null;
}
private Facet decorateWithNamedFacet(final Facet facet, final IdentifiedHolder identifiedHolder) {
final Identifier identifier = identifiedHolder.getIdentifier();
final String i18nName = i18nManager.getName(identifier);
if (i18nName == null) {
return null;
}
final NamedFacetWrapI18n decoratingFacet = new NamedFacetWrapI18n(i18nName, facet.getFacetHolder());
identifiedHolder.addFacet(decoratingFacet);
return decoratingFacet;
}
private Facet decorateWithDescribedAsFacet(final Facet facet, final IdentifiedHolder identifiedHolder) {
final Identifier identifier = identifiedHolder.getIdentifier();
final String i18nDescription = i18nManager.getDescription(identifier);
if (i18nDescription == null) {
return null;
}
final DescribedAsFacetWrapI18n decoratingFacet = new DescribedAsFacetWrapI18n(i18nDescription, facet.getFacetHolder());
identifiedHolder.addFacet(decoratingFacet);
return decoratingFacet;
}
private Facet decorateWithHelpFacet(final Facet facet, final IdentifiedHolder identifiedHolder) {
final Identifier identifier = identifiedHolder.getIdentifier();
final String i18nHelp = i18nManager.getHelp(identifier);
if (i18nHelp == null) {
return null;
}
final HelpFacetWrapI18n decoratingFacet = new HelpFacetWrapI18n(i18nHelp, facet.getFacetHolder());
identifiedHolder.addFacet(decoratingFacet);
return decoratingFacet;
}
@SuppressWarnings("unchecked")
@Override
public Class<? extends Facet>[] getFacetTypes() {
return new Class[] { NamedFacet.class, DescribedAsFacet.class, HelpFacet.class };
}
}