| /* |
| * 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.tuscany.sca.databinding.jaxb; |
| |
| import java.io.StringWriter; |
| |
| import javax.xml.bind.JAXBContext; |
| import javax.xml.bind.Marshaller; |
| import javax.xml.transform.stream.StreamResult; |
| |
| import org.apache.tuscany.sca.core.ExtensionPointRegistry; |
| import org.apache.tuscany.sca.databinding.BaseTransformer; |
| import org.apache.tuscany.sca.databinding.PullTransformer; |
| import org.apache.tuscany.sca.databinding.TransformationContext; |
| import org.apache.tuscany.sca.databinding.TransformationException; |
| import org.apache.tuscany.sca.databinding.xml.XMLStringDataBinding; |
| |
| /** |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class JAXB2String extends BaseTransformer<Object, String> implements PullTransformer<Object, String> { |
| private JAXBContextHelper contextHelper; |
| |
| public JAXB2String(ExtensionPointRegistry registry) { |
| contextHelper = JAXBContextHelper.getInstance(registry); |
| } |
| public String transform(Object source, TransformationContext tContext) { |
| try { |
| JAXBContext context = contextHelper.createJAXBContext(tContext, true); |
| StringWriter writer = new StringWriter(); |
| StreamResult result = new StreamResult(writer); |
| Object jaxbElement = JAXBContextHelper.createJAXBElement(context, tContext.getSourceDataType(), source); |
| Marshaller marshaller = contextHelper.getMarshaller(context); |
| try { |
| marshaller.marshal(jaxbElement, result); |
| } finally { |
| contextHelper.releaseJAXBMarshaller(context, marshaller); |
| } |
| return writer.toString(); |
| } catch (Exception e) { |
| throw new TransformationException(e); |
| } |
| } |
| |
| @Override |
| protected Class<Object> getSourceType() { |
| return Object.class; |
| } |
| |
| @Override |
| protected Class<String> getTargetType() { |
| return String.class; |
| } |
| |
| @Override |
| public int getWeight() { |
| return 30; |
| } |
| |
| @Override |
| public String getSourceDataBinding() { |
| return JAXBDataBinding.NAME; |
| } |
| |
| @Override |
| public String getTargetDataBinding() { |
| return XMLStringDataBinding.NAME; |
| } |
| } |