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.cloud; 018 019import java.util.ArrayList; 020import java.util.Arrays; 021import java.util.Collections; 022import java.util.List; 023 024import org.apache.camel.cloud.ServiceDefinition; 025import org.apache.camel.cloud.ServiceFilter; 026 027public class CombinedServiceFilter implements ServiceFilter { 028 private final List<ServiceFilter> delegates; 029 private final int delegatesSize; 030 031 public CombinedServiceFilter(List<ServiceFilter> delegates) { 032 this.delegates = Collections.unmodifiableList(new ArrayList<>(delegates)); 033 this.delegatesSize = this.delegates.size(); 034 } 035 036 public List<ServiceFilter> getDelegates() { 037 return this.delegates; 038 } 039 040 041 @Override 042 public List<ServiceDefinition> apply(List<ServiceDefinition> services) { 043 for (int i = 0; i < delegatesSize; i++) { 044 services = delegates.get(i).apply(services); 045 } 046 047 return services; 048 } 049 050 // ********************** 051 // Helpers 052 // ********************** 053 054 public static CombinedServiceFilter wrap(ServiceFilter... delegates) { 055 return new CombinedServiceFilter(Arrays.asList(delegates)); 056 } 057}