/*
* 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.progmodel.facets.fallback;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.isis.core.metamodel.facetapi.Facet;
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.FacetedMethod;
import org.apache.isis.core.metamodel.facets.TypedHolder;
/**
* Central point for providing some kind of default for any {@link Facet}s required by the Apache Isis framework itself.
*
*/
public class FallbackFacetFactory extends FacetFactoryAbstract {
@SuppressWarnings("unused")
private final static Map<Class<?>, Integer> TYPICAL_LENGTHS_BY_CLASS = new HashMap<Class<?>, Integer>() {
private static final long serialVersionUID = 1L;
{
putTypicalLength(byte.class, Byte.class, 3);
putTypicalLength(short.class, Short.class, 5);
putTypicalLength(int.class, Integer.class, 10);
putTypicalLength(long.class, Long.class, 20);
putTypicalLength(float.class, Float.class, 20);
putTypicalLength(double.class, Double.class, 20);
putTypicalLength(char.class, Character.class, 1);
putTypicalLength(boolean.class, Boolean.class, 1);
}
private void putTypicalLength(final Class<?> primitiveClass, final Class<?> wrapperClass, final int length) {
put(primitiveClass, Integer.valueOf(length));
put(wrapperClass, Integer.valueOf(length));
}
};
public FallbackFacetFactory() {
super(FeatureType.EVERYTHING);
}
public boolean recognizes(final Method method) {
return false;
}
@Override
public void process(final ProcessClassContext processClassContaxt) {
final FacetHolder facetHolder = processClassContaxt.getFacetHolder();
final DescribedAsFacetNone describedAsFacet = new DescribedAsFacetNone(facetHolder);
final NotPersistableFacetNull notPersistableFacet = new NotPersistableFacetNull(facetHolder);
final TitleFacetNone titleFacet = new TitleFacetNone(facetHolder);
final Facet[] facets = new Facet[] { describedAsFacet,
// commenting these out, think this whole isNoop business is a little bogus
// new ImmutableFacetNever(holder),
notPersistableFacet, titleFacet, };
FacetUtil.addFacets(facets);
}
@Override
public void process(final ProcessMethodContext processMethodContext) {
final List<Facet> facets = new ArrayList<Facet>();
if (processMethodContext.getFacetHolder() instanceof FacetedMethod) {
facets.add(new NamedFacetNone(processMethodContext.getFacetHolder()));
facets.add(new DescribedAsFacetNone(processMethodContext.getFacetHolder()));
facets.add(new HelpFacetNone(processMethodContext.getFacetHolder()));
final FacetedMethod facetedMethod = processMethodContext.getFacetHolder();
final FeatureType featureType = facetedMethod.getFeatureType();
if (featureType.isProperty()) {
facets.add(new MaxLengthFacetUnlimited(processMethodContext.getFacetHolder()));
facets.add(new MultiLineFacetNone(true, processMethodContext.getFacetHolder()));
}
if (featureType.isAction()) {
facets.add(new ExecutedFacetAtDefault(processMethodContext.getFacetHolder()));
facets.add(new ActionDefaultsFacetNone(processMethodContext.getFacetHolder()));
facets.add(new ActionChoicesFacetNone(processMethodContext.getFacetHolder()));
}
}
FacetUtil.addFacets(facets);
}
@Override
public void processParams(final ProcessParameterContext processParameterContext) {
final List<Facet> facets = new ArrayList<Facet>();
if (processParameterContext.getFacetHolder() instanceof TypedHolder) {
final TypedHolder typedHolder = processParameterContext.getFacetHolder();
if (typedHolder.getFeatureType().isActionParameter()) {
facets.add(new NamedFacetNone(processParameterContext.getFacetHolder()));
facets.add(new DescribedAsFacetNone(processParameterContext.getFacetHolder()));
facets.add(new HelpFacetNone(processParameterContext.getFacetHolder()));
facets.add(new MultiLineFacetNone(false, processParameterContext.getFacetHolder()));
facets.add(new MaxLengthFacetUnlimited(processParameterContext.getFacetHolder()));
}
}
FacetUtil.addFacets(facets);
}
}