org.keycloak.models.OrderedModel Maven / Gradle / Ivy
/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed 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.keycloak.models;
import java.util.Comparator;
/**
* @author Marek Posolda
*/
public interface OrderedModel {
String getGuiOrder();
class OrderedModelComparator implements Comparator {
public static final OrderedModelComparator INSTANCE = new OrderedModelComparator();
@SuppressWarnings("unchecked")
public static OrderedModelComparator getInstance() {
return INSTANCE;
}
@Override
public int compare(OM o1, OM o2) {
int o1order = parseOrder(o1);
int o2order = parseOrder(o2);
return o1order - o2order;
}
private int parseOrder(OM model) {
if (model != null && model.getGuiOrder() != null) {
try {
return Integer.parseInt(model.getGuiOrder());
} catch (NumberFormatException e) {
// ignore it and use default
}
}
return 10000;
}
}
}