/*
* 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.collections.javautilcollection;
import java.util.ArrayList;
import java.util.Collection;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.collections.CollectionFacetAbstract;
public class JavaArrayFacet extends CollectionFacetAbstract {
private final AdapterManager adapterManager;
public JavaArrayFacet(final FacetHolder holder, final AdapterManager adapterManager) {
super(holder);
this.adapterManager = adapterManager;
}
/**
* Expected to be called with a {@link ObjectAdapter} wrapping an array.
*/
@Override
public void init(final ObjectAdapter collectionAdapter, final ObjectAdapter[] initData) {
final int length = initData.length;
final Object[] array = new Object[length];
for (int i = 0; i < length; i++) {
array[i] = initData[i].getObject();
}
collectionAdapter.replacePojo(array);
}
/**
* Expected to be called with a {@link ObjectAdapter} wrapping an array.
*/
@Override
public Collection<ObjectAdapter> collection(final ObjectAdapter collectionAdapter) {
final Object[] array = array(collectionAdapter);
final ArrayList<ObjectAdapter> objectCollection = new ArrayList<ObjectAdapter>(array.length);
for (final Object element2 : array) {
final ObjectAdapter element = getAdapterManager().getAdapterFor(element2);
objectCollection.add(element);
}
return objectCollection;
}
/**
* Expected to be called with a {@link ObjectAdapter} wrapping an array.
*/
@Override
public ObjectAdapter firstElement(final ObjectAdapter collectionAdapter) {
final Object[] array = array(collectionAdapter);
return array.length > 0 ? getAdapterManager().getAdapterFor(array[0]) : null;
}
/**
* Expected to be called with a {@link ObjectAdapter} wrapping an array.
*/
@Override
public int size(final ObjectAdapter collectionAdapter) {
return array(collectionAdapter).length;
}
private Object[] array(final ObjectAdapter collectionAdapter) {
return (Object[]) collectionAdapter.getObject();
}
// /////////////////////////////////////////////////////
// Dependencies (from constructor)
// /////////////////////////////////////////////////////
private AdapterManager getAdapterManager() {
return adapterManager;
}
}