| /* |
| * 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.dozer; |
| |
| import java.net.URL; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import com.github.dozermapper.core.CustomConverter; |
| import com.github.dozermapper.core.Mapper; |
| import org.apache.camel.Component; |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Producer; |
| import org.apache.camel.converter.dozer.DozerBeanMapperConfiguration; |
| import org.apache.camel.converter.dozer.MapperFactory; |
| import org.apache.camel.spi.UriEndpoint; |
| import org.apache.camel.spi.UriParam; |
| import org.apache.camel.support.DefaultEndpoint; |
| import org.apache.camel.support.ResourceHelper; |
| |
| /** |
| * The dozer component provides the ability to map between Java beans using the Dozer mapping library. |
| */ |
| @UriEndpoint(firstVersion = "2.15.0", scheme = "dozer", title = "Dozer", syntax = "dozer:name", producerOnly = true, label = "transformation") |
| public class DozerEndpoint extends DefaultEndpoint { |
| |
| // IDs for built-in custom converters used with the Dozer component |
| private static final String CUSTOM_MAPPING_ID = "_customMapping"; |
| private static final String VARIABLE_MAPPING_ID = "_variableMapping"; |
| private static final String EXPRESSION_MAPPING_ID = "_expressionMapping"; |
| |
| private Mapper mapper; |
| private VariableMapper variableMapper; |
| private CustomMapper customMapper; |
| private ExpressionMapper expressionMapper; |
| |
| @UriParam |
| private DozerConfiguration configuration; |
| |
| public DozerEndpoint(String endpointUri, Component component, DozerConfiguration configuration) throws Exception { |
| super(endpointUri, component); |
| this.configuration = configuration; |
| variableMapper = new VariableMapper(); |
| customMapper = new CustomMapper(getCamelContext().getClassResolver()); |
| expressionMapper = new ExpressionMapper(); |
| } |
| |
| @Override |
| public Producer createProducer() throws Exception { |
| return new DozerProducer(this); |
| } |
| |
| @Override |
| public Consumer createConsumer(Processor processor) throws Exception { |
| throw new UnsupportedOperationException("Consumer not supported for Dozer endpoints"); |
| } |
| |
| public Mapper getMapper() throws Exception { |
| return mapper; |
| } |
| |
| public DozerConfiguration getConfiguration() { |
| return configuration; |
| } |
| |
| public void setConfiguration(DozerConfiguration configuration) { |
| this.configuration = configuration; |
| } |
| |
| CustomMapper getCustomMapper() { |
| return customMapper; |
| } |
| |
| VariableMapper getVariableMapper() { |
| return variableMapper; |
| } |
| |
| ExpressionMapper getExpressionMapper() { |
| return expressionMapper; |
| } |
| |
| @Override |
| protected void doStart() throws Exception { |
| super.doStart(); |
| |
| initDozerBeanContainerAndMapper(); |
| } |
| |
| @Override |
| protected void doStop() throws Exception { |
| super.doStop(); |
| // noop |
| } |
| |
| protected void initDozerBeanContainerAndMapper() throws Exception { |
| log.info("Configuring {}...", Mapper.class.getName()); |
| |
| // Validate endpoint parameters |
| if (configuration.getTargetModel() == null) { |
| throw new IllegalArgumentException("The targetModel parameter is required for dozer endpoints"); |
| } |
| |
| if (mapper == null) { |
| if (configuration.getMappingConfiguration() == null) { |
| URL url = ResourceHelper.resolveMandatoryResourceAsUrl(getCamelContext().getClassResolver(), configuration.getMappingFile()); |
| |
| DozerBeanMapperConfiguration config = new DozerBeanMapperConfiguration(); |
| config.setCustomConvertersWithId(getCustomConvertersWithId()); |
| config.setMappingFiles(Arrays.asList(url.toString())); |
| |
| configuration.setMappingConfiguration(config); |
| } else { |
| DozerBeanMapperConfiguration config = configuration.getMappingConfiguration(); |
| if (config.getCustomConvertersWithId() == null) { |
| config.setCustomConvertersWithId(getCustomConvertersWithId()); |
| } else { |
| config.getCustomConvertersWithId().putAll(getCustomConvertersWithId()); |
| } |
| |
| if (config.getMappingFiles() == null || config.getMappingFiles().size() <= 0) { |
| URL url = ResourceHelper.resolveMandatoryResourceAsUrl(getCamelContext().getClassResolver(), configuration.getMappingFile()); |
| config.setMappingFiles(Arrays.asList(url.toString())); |
| } |
| } |
| |
| MapperFactory factory = new MapperFactory(getCamelContext(), configuration.getMappingConfiguration()); |
| mapper = factory.create(); |
| } |
| } |
| |
| private Map<String, CustomConverter> getCustomConvertersWithId() { |
| Map<String, CustomConverter> customConvertersWithId = new HashMap<>(); |
| customConvertersWithId.put(CUSTOM_MAPPING_ID, customMapper); |
| customConvertersWithId.put(VARIABLE_MAPPING_ID, variableMapper); |
| customConvertersWithId.put(EXPRESSION_MAPPING_ID, expressionMapper); |
| |
| return customConvertersWithId; |
| } |
| } |