/*
* 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;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
import org.apache.isis.core.metamodel.facets.collections.modify.CollectionFacet;
import org.apache.isis.core.metamodel.facets.collections.modify.CollectionFacetUtils;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
public final class CollectionUtils {
private CollectionUtils() {
}
public static Object[] getCollectionAsObjectArray(final Object option, final ObjectSpecification spec, final AdapterManager adapterMap) {
final ObjectAdapter collection = adapterMap.adapterFor(option);
final CollectionFacet facet = CollectionFacetUtils.getCollectionFacetFromSpec(collection);
final Object[] optionArray = new Object[facet.size(collection)];
int j = 0;
for (final ObjectAdapter nextElement : facet.iterable(collection)) {
optionArray[j++] = nextElement != null? nextElement.getObject(): null;
}
return optionArray;
}
}