001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.impl;
018
019import java.util.Collection;
020import java.util.Collections;
021import java.util.HashSet;
022import java.util.Set;
023
024import org.apache.camel.Route;
025
026public final class SupervisingRouteControllerFilters {
027    private SupervisingRouteControllerFilters() {
028    }
029
030    public static final class BlackList implements SupervisingRouteController.Filter {
031        private final Set<String> names;
032
033        public BlackList(String name) {
034            this(Collections.singletonList(name));
035        }
036
037        public BlackList(Collection<String> names) {
038            this.names = new HashSet<>(names);
039        }
040
041        @Override
042        public SupervisingRouteController.FilterResult apply(Route route) {
043            boolean supervised = !names.contains(route.getId());
044
045            return new SupervisingRouteController.FilterResult(
046                supervised,
047                supervised ? null : "black-listed"
048            );
049        }
050    }
051}