/*
* 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
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package org.apache.isis.core.progmodel.facets.param.typicallen.fromtype;
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.FacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.FacetedMethodParameter;
import org.apache.isis.core.metamodel.facets.typicallen.TypicalLengthFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
public class TypicalLengthFacetForParameterDerivedFromTypeFacetFactory extends FacetFactoryAbstract {
public TypicalLengthFacetForParameterDerivedFromTypeFacetFactory() {
super(FeatureType.PARAMETERS_ONLY);
}
@Override
public void processParams(final ProcessParameterContext processParameterContext) {
final Class<?> type = processParameterContext.getMethod().getParameterTypes()[processParameterContext.getParamNum()];
final FacetedMethodParameter facetHolder = processParameterContext.getFacetHolder();
addFacetDerivedFromTypeIfPresent(facetHolder, type);
}
private void addFacetDerivedFromTypeIfPresent(final FacetHolder holder, final Class<?> type) {
final TypicalLengthFacet facet = getTypicalLengthFacet(type);
if (facet != null) {
FacetUtil.addFacet(new TypicalLengthFacetForParameterDerivedFromType(facet, holder));
}
}
private TypicalLengthFacet getTypicalLengthFacet(final Class<?> type) {
final ObjectSpecification paramTypeSpec = getSpecificationLookup().loadSpecification(type);
return paramTypeSpec.getFacet(TypicalLengthFacet.class);
}
}