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* 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
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package org.apache.isis.viewer.bdd.common.fixtures.perform;
import java.util.List;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.consent.Consent;
import org.apache.isis.core.metamodel.consent.InteractionInvocationMethod;
import org.apache.isis.core.metamodel.facets.collections.modify.CollectionRemoveFromFacet;
import org.apache.isis.core.metamodel.spec.feature.ObjectMember;
import org.apache.isis.core.metamodel.spec.feature.OneToManyAssociation;
import org.apache.isis.viewer.bdd.common.CellBinding;
import org.apache.isis.viewer.bdd.common.ScenarioBoundValueException;
import org.apache.isis.viewer.bdd.common.ScenarioCell;
public class RemoveFromCollection extends PerformAbstractTypeParams {
private ObjectAdapter result;
public RemoveFromCollection(final Perform.Mode mode) {
super("remove from collection", Type.COLLECTION, NumParameters.ONE, mode);
}
@Override
public void doHandle(final PerformContext performContext) throws ScenarioBoundValueException {
final ObjectAdapter onAdapter = performContext.getOnAdapter();
final ObjectMember nakedObjectMember = performContext.getObjectMember();
final CellBinding onMemberBinding = performContext.getPeer().getOnMemberBinding();
@SuppressWarnings("unused")
final ScenarioCell onMemberCell = onMemberBinding.getCurrentCell();
final List<ScenarioCell> argumentCells = performContext.getArgumentCells();
final OneToManyAssociation otma = (OneToManyAssociation) nakedObjectMember;
// safe since guaranteed by superclass
final CellBinding arg0Binding = performContext.getPeer().getArg0Binding();
final ScenarioCell arg0Cell = argumentCells.get(0);
final String toRemove = arg0Cell.getText();
final CollectionRemoveFromFacet removeFromFacet = nakedObjectMember.getFacet(CollectionRemoveFromFacet.class);
if (removeFromFacet == null) {
throw ScenarioBoundValueException.current(onMemberBinding, "(cannot remove from collection)");
}
final ObjectAdapter toRemoveAdapter = performContext.getPeer().getAliasRegistry().getAliased(toRemove);
if (toRemoveAdapter == null) {
throw ScenarioBoundValueException.current(arg0Binding, "(unknown alias)");
}
// validate argument
otma.createValidateAddInteractionContext(getSession(), InteractionInvocationMethod.BY_USER, onAdapter, toRemoveAdapter);
final Consent validToRemove = otma.isValidToRemove(onAdapter, toRemoveAdapter);
if (validToRemove.isVetoed()) {
throw ScenarioBoundValueException.current(onMemberBinding, validToRemove.getReason());
}
// remove
removeFromFacet.remove(onAdapter, toRemoveAdapter);
}
@Override
public ObjectAdapter getResult() {
return result;
}
}