| /* |
| * 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.processor; |
| |
| import java.util.Collection; |
| import java.util.concurrent.ExecutorService; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.ExchangePattern; |
| import org.apache.camel.Expression; |
| import org.apache.camel.ExtendedCamelContext; |
| import org.apache.camel.NamedNode; |
| import org.apache.camel.NoFactoryAvailableException; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Route; |
| import org.apache.camel.spi.FactoryFinder; |
| import org.apache.camel.spi.ProcessorFactory; |
| import org.apache.camel.spi.annotations.JdkService; |
| |
| /** |
| * Default {@link ProcessorFactory} that supports using 3rd party Camel components to implement the EIP |
| * {@link Processor}. |
| * <p/> |
| * The component should use the {@link FactoryFinder} SPI to specify a file with the name of the EIP model in the |
| * directory of {@link #RESOURCE_PATH}. The file should contain a property with key <tt>class</tt> that refers to the |
| * name of the {@link ProcessorFactory} the Camel component implement, which gets called for creating the |
| * {@link Processor}s for the EIP. |
| * <p/> |
| * The Hystrix EIP is such an example where the circuit breaker EIP (CircuitBreakerDefinition) is implemented in the |
| * <tt>camel-hystrix</tt> component. |
| */ |
| @JdkService(ProcessorFactory.FACTORY) |
| public class DefaultProcessorFactory implements ProcessorFactory { |
| |
| public static final String RESOURCE_PATH = "META-INF/services/org/apache/camel/model/"; |
| |
| @Override |
| public Processor createChildProcessor(Route route, NamedNode definition, boolean mandatory) throws Exception { |
| String name = definition.getClass().getSimpleName(); |
| FactoryFinder finder = route.getCamelContext().adapt(ExtendedCamelContext.class).getFactoryFinder(RESOURCE_PATH); |
| try { |
| if (finder != null) { |
| Object object = finder.newInstance(name); |
| if (object instanceof ProcessorFactory) { |
| ProcessorFactory pc = (ProcessorFactory) object; |
| return pc.createChildProcessor(route, definition, mandatory); |
| } |
| } |
| } catch (NoFactoryAvailableException e) { |
| // ignore there is no custom factory |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public Processor createProcessor(Route route, NamedNode definition) throws Exception { |
| String name = definition.getClass().getSimpleName(); |
| FactoryFinder finder = route.getCamelContext().adapt(ExtendedCamelContext.class).getFactoryFinder(RESOURCE_PATH); |
| if (finder != null) { |
| ProcessorFactory pc = finder.newInstance(name, ProcessorFactory.class).orElse(null); |
| if (pc != null) { |
| return pc.createProcessor(route, definition); |
| } |
| } |
| |
| return null; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public Processor createProcessor(CamelContext camelContext, String definitionName, Object[] args) |
| throws Exception { |
| if ("SendDynamicProcessor".equals(definitionName)) { |
| String uri = (String) args[0]; |
| Expression expression = (Expression) args[1]; |
| ExchangePattern exchangePattern = (ExchangePattern) args[2]; |
| SendDynamicProcessor processor = new SendDynamicProcessor(uri, expression); |
| processor.setCamelContext(camelContext); |
| if (exchangePattern != null) { |
| processor.setPattern(exchangePattern); |
| } |
| return processor; |
| } else if ("MulticastProcessor".equals(definitionName)) { |
| Collection<Processor> processors = (Collection<Processor>) args[0]; |
| ExecutorService executor = (ExecutorService) args[1]; |
| boolean shutdownExecutorService = (boolean) args[2]; |
| return new MulticastProcessor( |
| camelContext, null, processors, null, true, executor, shutdownExecutorService, false, false, 0, |
| null, false, false); |
| } else if ("ConvertBodyProcessor".equals(definitionName)) { |
| Class<?> type = (Class<?>) args[0]; |
| return new ConvertBodyProcessor(type); |
| } |
| |
| return null; |
| } |
| } |