/*
* 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.all.i18n;
import com.google.common.base.Strings;
import org.apache.isis.applib.services.i18n.TranslationService;
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.facetapi.IdentifiedHolder;
import org.apache.isis.core.metamodel.facets.ContributeeMemberFacetFactory;
import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.all.describedas.DescribedAsFacet;
import org.apache.isis.core.metamodel.facets.all.named.NamedFacet;
import org.apache.isis.core.metamodel.services.ServicesInjector;
public class TranslationFacetFactory extends FacetFactoryAbstract implements ContributeeMemberFacetFactory {
private TranslationService translationService;
public TranslationFacetFactory() {
super(FeatureType.EVERYTHING);
}
@Override
public void process(final ProcessClassContext processClassContext) {
final FacetHolder facetHolder = processClassContext.getFacetHolder();
if(facetHolder instanceof IdentifiedHolder) {
final IdentifiedHolder holder = (IdentifiedHolder) facetHolder;
final String context = holder.getIdentifier().toClassIdentityString();
translateName(holder, context);
translateDescription(holder, context);
}
}
@Override
public void process(final ProcessMethodContext processMethodContext) {
final IdentifiedHolder holder = processMethodContext.getFacetHolder();
final String context = holder.getIdentifier().toClassAndNameIdentityString();
translateName(holder, context);
translateDescription(holder, context);
}
@Override
public void processParams(final ProcessParameterContext processParameterContext) {
final IdentifiedHolder holder = processParameterContext.getFacetHolder();
final String context = holder.getIdentifier().toFullIdentityString();
translateName(holder, context);
translateDescription(holder, context);
}
@Override
public void process(final ProcessContributeeMemberContext processMemberContext) {
final IdentifiedHolder holder = processMemberContext.getFacetHolder();
final String context = holder.getIdentifier().toClassAndNameIdentityString();
translateName(holder, context);
translateDescription(holder, context);
}
// //////////////////////////////////////
void translateName(final IdentifiedHolder facetHolder, final String context) {
final NamedFacet facet = facetHolder.getFacet(NamedFacet.class);
if(facet == null) {
// not expected...
return;
}
final String originalText = facet.value();
if (isNullOrEmptyWhenTrimmed(originalText)) {
// not expected...
return;
}
final TranslationService translationService = lookupTranslationService();
NamedFacetTranslated facetTranslated = new NamedFacetTranslated(context, originalText, translationService, facetHolder);
facetTranslated.setUnderlyingFacet(facet);
FacetUtil.addFacet(facetTranslated);
}
void translateDescription(final FacetHolder facetHolder, final String context) {
final IdentifiedHolder holder = (IdentifiedHolder) facetHolder;
final DescribedAsFacet facet = facetHolder.getFacet(DescribedAsFacet.class);
if(facet == null) {
return;
}
final String originalText = facet.value();
if (isNullOrEmptyWhenTrimmed(originalText)) {
return;
}
final TranslationService translationService = lookupTranslationService();
FacetUtil.addFacet(new DescribedAsFacetTranslated(context, originalText, translationService, holder));
}
private boolean isNullOrEmptyWhenTrimmed(final String originalText) {
return originalText == null || Strings.isNullOrEmpty(originalText.trim());
}
// //////////////////////////////////////
/**
* Looks up from {@link ServicesInjector}.
*
* <p>
* There is guaranteed to be an instance because <code>TranslationServicePo</code> (in runtime) is annotated
* as a {@link org.apache.isis.applib.annotation.DomainService @DomainService}.
* </p>
*/
TranslationService lookupTranslationService() {
if(translationService == null) {
translationService = servicesInjector.lookupService(TranslationService.class);
}
return translationService;
}
}