/*
* 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.viewer.scimpi.dispatcher.view.value;
import org.apache.isis.applib.annotation.Where;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
import org.apache.isis.core.runtime.system.context.IsisContext;
import org.apache.isis.viewer.scimpi.dispatcher.AbstractElementProcessor;
import org.apache.isis.viewer.scimpi.dispatcher.ForbiddenException;
import org.apache.isis.viewer.scimpi.dispatcher.processor.Request;
/**
*
*/
public class TitleString extends AbstractElementProcessor {
@Override
public void process(final Request request) {
final String id = request.getOptionalProperty(OBJECT);
final String fieldName = request.getOptionalProperty(FIELD);
final int truncateTo = Integer.valueOf(request.getOptionalProperty(TRUNCATE, "0")).intValue();
final ObjectAdapter object = request.getContext().getMappedObjectOrResult(id);
if (object == null) {
return;
}
String titleString;
if (fieldName == null) {
titleString = object.titleString();
} else {
final ObjectAssociation field = object.getSpecification().getAssociation(fieldName);
if (field.isVisible(IsisContext.getAuthenticationSession(), object, Where.ANYWHERE).isVetoed()) {
throw new ForbiddenException(field, ForbiddenException.VISIBLE);
}
final ObjectAdapter fieldReference = field.get(object);
if (fieldReference != null) {
titleString = fieldReference.titleString();
} else {
titleString = "";
}
}
request.appendDebug(" " + titleString);
request.appendTruncated(titleString, truncateTo);
}
@Override
public String getName() {
return "title-string";
}
}