| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.bean; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Expression; |
| import org.apache.camel.Message; |
| import org.apache.camel.TypeConverter; |
| import org.apache.camel.builder.ExpressionBuilder; |
| import org.apache.camel.spi.Registry; |
| |
| /** |
| * Represents the strategy used to figure out how to map a message exchange to a POJO method invocation |
| * |
| * @version |
| */ |
| public class DefaultParameterMappingStrategy implements ParameterMappingStrategy { |
| private final Map<Class<?>, Expression> parameterTypeToExpressionMap = new ConcurrentHashMap<Class<?>, Expression>(); |
| |
| public DefaultParameterMappingStrategy() { |
| loadDefaultRegistry(); |
| } |
| |
| public Expression getDefaultParameterTypeExpression(Class<?> parameterType) { |
| return parameterTypeToExpressionMap.get(parameterType); |
| } |
| |
| /** |
| * Adds a default parameter type mapping to an expression |
| */ |
| public void addParameterMapping(Class<?> parameterType, Expression expression) { |
| parameterTypeToExpressionMap.put(parameterType, expression); |
| } |
| |
| public void loadDefaultRegistry() { |
| addParameterMapping(Exchange.class, ExpressionBuilder.exchangeExpression()); |
| addParameterMapping(Message.class, ExpressionBuilder.inMessageExpression()); |
| addParameterMapping(Exception.class, ExpressionBuilder.exchangeExceptionExpression()); |
| addParameterMapping(TypeConverter.class, ExpressionBuilder.typeConverterExpression()); |
| addParameterMapping(Registry.class, ExpressionBuilder.registryExpression()); |
| addParameterMapping(CamelContext.class, ExpressionBuilder.camelContextExpression()); |
| } |
| } |