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 */ 017 package org.apache.camel.component.directvm; 018 019 import java.util.ArrayList; 020 import java.util.Collection; 021 022 import org.apache.camel.Endpoint; 023 import org.apache.camel.Exchange; 024 import org.apache.camel.support.ExpressionAdapter; 025 import org.apache.camel.util.AntPathMatcher; 026 027 /** 028 * The expression to select direct-vm consumers based on ant-like path pattern matching. 029 */ 030 public class DirectVmConsumerExpression extends ExpressionAdapter { 031 032 private final AntPathMatcher matcher; 033 private final String pattern; 034 035 public DirectVmConsumerExpression(String pattern) { 036 this.matcher = new AntPathMatcher(); 037 this.pattern = pattern; 038 } 039 040 @Override 041 public Object evaluate(Exchange exchange) { 042 Collection<Endpoint> endpoints = new ArrayList<Endpoint>(); 043 for (Endpoint endpoint : DirectVmComponent.getConsumerEndpoints()) { 044 if (matcher.match(pattern, endpoint.getEndpointKey())) { 045 endpoints.add(endpoint); 046 } 047 } 048 return endpoints; 049 } 050 051 @Override 052 public String toString() { 053 return "DirectVmConsumerExpression[" + pattern + "]"; 054 } 055 }