| /* |
| * 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.json; |
| |
| import java.io.StringWriter; |
| |
| import javax.xml.stream.XMLStreamReader; |
| import javax.xml.stream.XMLStreamWriter; |
| |
| import org.apache.tuscany.sca.common.xml.stax.StAXHelper; |
| import org.apache.tuscany.sca.core.ExtensionPointRegistry; |
| 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.BaseTransformer; |
| import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamWriter; |
| |
| /** |
| * @version $Rev$ $Date$ |
| */ |
| public class XMLStreamReader2JSON extends BaseTransformer<XMLStreamReader, Object> implements |
| PullTransformer<XMLStreamReader, Object> { |
| |
| private StAXHelper staxHelper; |
| |
| public XMLStreamReader2JSON(ExtensionPointRegistry registry) { |
| staxHelper = StAXHelper.getInstance(registry); |
| } |
| |
| @Override |
| protected Class<XMLStreamReader> getSourceType() { |
| return XMLStreamReader.class; |
| } |
| |
| @Override |
| protected Class<Object> getTargetType() { |
| return Object.class; |
| } |
| |
| public Object transform(XMLStreamReader source, TransformationContext context) { |
| try { |
| StringWriter writer = new StringWriter(); |
| XMLStreamWriter jsonWriter = new BadgerFishXMLStreamWriter(writer); |
| staxHelper.save(source, jsonWriter); |
| source.close(); |
| Class type = null; |
| if (context != null && context.getTargetDataType() != null) { |
| type = context.getTargetDataType().getPhysical(); |
| } |
| return JSONHelper.toJSON(writer.toString(), type); |
| } catch (Exception e) { |
| throw new TransformationException(e); |
| } |
| } |
| |
| @Override |
| public int getWeight() { |
| return 500; |
| } |
| |
| @Override |
| public String getTargetDataBinding() { |
| return JSONDataBinding.NAME; |
| } |
| |
| } |