| /** |
| * 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.converter.jaxb; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import javax.xml.bind.JAXBContext; |
| import javax.xml.bind.JAXBException; |
| import javax.xml.bind.Marshaller; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import javax.xml.bind.util.JAXBSource; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import org.w3c.dom.Document; |
| |
| import org.apache.camel.Converter; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.converter.jaxp.XmlConverter; |
| |
| /** |
| * As we have the JAXB FallbackTypeConverter, so we don't need to register this converter |
| * |
| * @deprecated will be removed in the near future |
| */ |
| @Deprecated |
| public final class JaxbConverter { |
| private XmlConverter xmlConverter = new XmlConverter(); |
| private Map<Class<?>, JAXBContext> contexts = new HashMap<Class<?>, JAXBContext>(); |
| |
| //@Converter |
| public JAXBSource toSource(Object value) throws JAXBException { |
| if (value == null) { |
| throw new IllegalArgumentException("Cannot convert from null value to JAXBSource"); |
| } |
| // just need to check if the Object class has the XmlRootElement |
| if (value.getClass().getAnnotation(XmlRootElement.class) != null) { |
| JAXBContext context = getJaxbContext(value); |
| return new JAXBSource(context, value); |
| } else { |
| return null; |
| } |
| } |
| |
| //@Converter |
| public Document toDocument(Object value) throws JAXBException, ParserConfigurationException { |
| if (value == null) { |
| throw new IllegalArgumentException("Cannot convert from null value to JAXBSource"); |
| } |
| if (value.getClass().getAnnotation(XmlRootElement.class) != null) { |
| JAXBContext context = getJaxbContext(value); |
| // must create a new instance of marshaller as its not thread safe |
| Marshaller marshaller = context.createMarshaller(); |
| |
| Document doc = xmlConverter.createDocument(); |
| marshaller.marshal(value, doc); |
| return doc; |
| } else { |
| return null; |
| } |
| } |
| |
| @Converter |
| public static MessageDefinition toMessageType(Exchange exchange) { |
| return toMessageType(exchange.getIn()); |
| } |
| |
| @Converter |
| public static MessageDefinition toMessageType(Message in) { |
| MessageDefinition answer = new MessageDefinition(); |
| answer.copyFrom(in); |
| return answer; |
| } |
| |
| private synchronized JAXBContext getJaxbContext(Object value) throws JAXBException { |
| Class<?> type = value.getClass(); |
| JAXBContext context = contexts.get(type); |
| if (context == null) { |
| context = JAXBContext.newInstance(type); |
| contexts.put(type, context); |
| } |
| return context; |
| } |
| } |