| /** |
| * 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.jacksonxml.converter; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.dataformat.xml.XmlMapper; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.FallbackConverter; |
| import org.apache.camel.component.jacksonxml.JacksonXMLConstants; |
| import org.apache.camel.spi.Registry; |
| import org.apache.camel.spi.TypeConverterRegistry; |
| |
| public final class JacksonXMLTypeConverters { |
| |
| private final XmlMapper defaultMapper = new XmlMapper(); |
| private boolean init; |
| private Boolean enabled; |
| |
| public JacksonXMLTypeConverters() { |
| } |
| |
| @FallbackConverter |
| public <T> T convertTo(Class<T> type, Exchange exchange, Object value, TypeConverterRegistry registry) { |
| |
| // only do this if enabled |
| if (!init && exchange != null) { |
| // init to see if this is enabled |
| String text = exchange.getContext().getProperties().get(JacksonXMLConstants.ENABLE_XML_TYPE_CONVERTER); |
| enabled = "true".equalsIgnoreCase(text); |
| init = true; |
| } |
| |
| if (enabled == null || !enabled) { |
| return null; |
| } |
| |
| |
| if (isNotPojoType(type)) { |
| return null; |
| } |
| |
| if (exchange != null && value instanceof Map) { |
| ObjectMapper mapper = resolveObjectMapper(exchange.getContext().getRegistry()); |
| if (mapper.canSerialize(type)) { |
| return mapper.convertValue(value, type); |
| } |
| } |
| |
| // Just return null to let other fallback converter to do the job |
| return null; |
| } |
| |
| private static boolean isNotPojoType(Class<?> type) { |
| boolean isString = String.class.isAssignableFrom(type); |
| boolean isNumber = Number.class.isAssignableFrom(type) |
| || int.class.isAssignableFrom(type) || long.class.isAssignableFrom(type) |
| || short.class.isAssignableFrom(type) || char.class.isAssignableFrom(type) |
| || float.class.isAssignableFrom(type) || double.class.isAssignableFrom(type); |
| return isString || isNumber; |
| } |
| |
| private ObjectMapper resolveObjectMapper(Registry registry) { |
| Set<XmlMapper> mappers = registry.findByType(XmlMapper.class); |
| if (mappers.size() == 1) { |
| return mappers.iterator().next(); |
| } |
| return defaultMapper; |
| } |
| |
| } |