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.reifier;
018
019import org.apache.camel.BeanScope;
020import org.apache.camel.CamelContext;
021import org.apache.camel.ExtendedCamelContext;
022import org.apache.camel.Processor;
023import org.apache.camel.model.BeanDefinition;
024import org.apache.camel.model.ProcessorDefinition;
025import org.apache.camel.spi.BeanProcessorFactory;
026import org.apache.camel.spi.RouteContext;
027import org.apache.camel.support.CamelContextHelper;
028
029public class BeanReifier extends ProcessorReifier<BeanDefinition> {
030
031    public BeanReifier(RouteContext routeContext, ProcessorDefinition<?> definition) {
032        super(routeContext, BeanDefinition.class.cast(definition));
033    }
034
035    @Override
036    public Processor createProcessor() throws Exception {
037        Object bean = definition.getBean();
038        String ref = parseString(definition.getRef());
039        String method = parseString(definition.getMethod());
040        String beanType = parseString(definition.getBeanType());
041        Class<?> beanClass = definition.getBeanClass();
042
043        BeanProcessorFactory fac = camelContext.adapt(ExtendedCamelContext.class).getBeanProcessorFactory();
044        if (fac == null) {
045            throw new IllegalStateException("Cannot find BeanProcessorFactory. Make sure camel-bean is on the classpath.");
046        }
047        // use singleton as default scope
048        BeanScope scope = BeanScope.Singleton;
049        if (definition.getScope() != null) {
050            scope = parse(BeanScope.class, definition.getScope());
051        }
052        return fac.createBeanProcessor(camelContext, bean, beanType, beanClass, ref, method, scope);
053    }
054
055}