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.impl; 018 019 import java.util.Map; 020 021 import org.apache.camel.CamelContext; 022 import org.apache.camel.spi.Registry; 023 import org.apache.camel.util.ObjectHelper; 024 025 /** 026 * A {@link Registry} which delegates to the real registry. 027 * <p/> 028 * This is used to ensure that Camel performs property placeholder resolution on every lookup. 029 * 030 * @version 031 */ 032 public class PropertyPlaceholderDelegateRegistry implements Registry { 033 034 private final CamelContext context; 035 private final Registry delegate; 036 037 public PropertyPlaceholderDelegateRegistry(CamelContext context, Registry delegate) { 038 this.context = context; 039 this.delegate = delegate; 040 } 041 042 public Object lookup(String name) { 043 try { 044 // Must avoid attempting placeholder resolution when looking up 045 // the properties component or else we end up in an infinite loop. 046 if (!name.equals("properties")) { 047 name = context.resolvePropertyPlaceholders(name); 048 } 049 return delegate.lookup(name); 050 } catch (Exception e) { 051 throw ObjectHelper.wrapRuntimeCamelException(e); 052 } 053 } 054 055 public <T> T lookup(String name, Class<T> type) { 056 try { 057 // Must avoid attempting placeholder resolution when looking up 058 // the properties component or else we end up in an infinite loop. 059 if (!name.equals("properties")) { 060 name = context.resolvePropertyPlaceholders(name); 061 } 062 return delegate.lookup(name, type); 063 } catch (Exception e) { 064 throw ObjectHelper.wrapRuntimeCamelException(e); 065 } 066 } 067 068 public <T> Map<String, T> lookupByType(Class<T> type) { 069 return delegate.lookupByType(type); 070 } 071 072 public Registry getRegistry() { 073 return delegate; 074 } 075 076 @Override 077 public String toString() { 078 return delegate.toString(); 079 } 080 }