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.spi; 018 019import java.io.Closeable; 020 021import org.apache.camel.CamelContext; 022import org.apache.camel.impl.CamelContextTrackerRegistry; 023 024/** 025 * A {@link CamelContext} creation tracker. 026 */ 027public class CamelContextTracker implements Closeable { 028 029 public interface Filter { 030 031 boolean accept(CamelContext camelContext); 032 033 } 034 035 private final Filter filter; 036 037 public CamelContextTracker() { 038 filter = new Filter() { 039 public boolean accept(CamelContext camelContext) { 040 return !camelContext.getClass().getName().contains("Proxy"); 041 } 042 }; 043 } 044 045 public CamelContextTracker(Filter filter) { 046 this.filter = filter; 047 } 048 049 /** 050 * Called to determine whether this tracker should accept the given context. 051 */ 052 public boolean accept(CamelContext camelContext) { 053 return filter == null || filter.accept(camelContext); 054 } 055 056 /** 057 * Called when a context is created. 058 */ 059 public void contextCreated(CamelContext camelContext) { 060 // do nothing 061 } 062 063 public final void open() { 064 CamelContextTrackerRegistry.INSTANCE.addTracker(this); 065 } 066 067 public final void close() { 068 CamelContextTrackerRegistry.INSTANCE.removeTracker(this); 069 } 070}