/*
* 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.actions.defaults.method;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.List;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.ImperativeFacet;
import org.apache.isis.core.metamodel.facets.actions.defaults.ActionDefaultsFacetAbstract;
import org.apache.isis.core.metamodel.facets.actions.interaction.ActionInvocationFacetForInteractionAbstract;
import org.apache.isis.core.metamodel.facets.actions.interaction.ActionInvocationFacet;
public class ActionDefaultsFacetViaMethod extends ActionDefaultsFacetAbstract implements ImperativeFacet {
private final Method defaultMethod;
@SuppressWarnings("unused")
private final Method actionMethod;
public ActionDefaultsFacetViaMethod(final Method defaultMethod, final FacetHolder holder) {
super(holder, Derivation.NOT_DERIVED);
this.defaultMethod = defaultMethod;
this.actionMethod = determineActionMethod(holder);
}
private static Method determineActionMethod(final FacetHolder holder) {
Method method2;
final Facet actionInvocationFacet = holder.getFacet(ActionInvocationFacet.class);
if (actionInvocationFacet instanceof ActionInvocationFacetForInteractionAbstract) {
final ActionInvocationFacetForInteractionAbstract facetViaMethod = (ActionInvocationFacetForInteractionAbstract) actionInvocationFacet;
method2 = facetViaMethod.getMethods().get(0);
} else {
method2 = null;
}
return method2;
}
/**
* Returns a singleton list of the {@link Method} provided in the
* constructor.
*/
@Override
public List<Method> getMethods() {
return Collections.singletonList(defaultMethod);
}
@Override
public Intent getIntent(final Method method) {
return Intent.DEFAULTS;
}
@Override
public boolean impliesResolve() {
return true;
}
@Override
public boolean impliesObjectChanged() {
return false;
}
@Override
public Object[] getDefaults(final ObjectAdapter owningAdapter) {
return (Object[]) ObjectAdapter.InvokeUtils.invoke(defaultMethod, owningAdapter);
}
@Override
protected String toStringValues() {
return "method=" + defaultMethod;
}
}