diff options
Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/XMLStreamReader2DataObject.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/XMLStreamReader2DataObject.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/XMLStreamReader2DataObject.java new file mode 100644 index 0000000000..fbc13e6fed --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/XMLStreamReader2DataObject.java @@ -0,0 +1,72 @@ +/* + * 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.sdo; + +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamReader; + +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.sdo.api.SDOUtil; +import org.apache.tuscany.sdo.api.XMLStreamHelper; + +import commonj.sdo.DataObject; +import commonj.sdo.helper.HelperContext; + +public class XMLStreamReader2DataObject extends BaseTransformer<XMLStreamReader, DataObject> implements + PullTransformer<XMLStreamReader, DataObject> { + + public DataObject transform(XMLStreamReader source, TransformationContext context) { + if (source == null) { + return null; + } + try { + HelperContext helperContext = SDOContextHelper.getHelperContext(context, false); + XMLStreamHelper streamHelper = SDOUtil.createXMLStreamHelper(helperContext); + // The XMLStreamHelper requires that the reader is positioned at + // START_ELEMENT + while (source.getEventType() != XMLStreamConstants.START_ELEMENT && source.hasNext()) { + source.next(); + } + DataObject target = streamHelper.loadObject(source); + source.close(); + return target; + } catch (Exception e) { + throw new TransformationException(e); + } + } + + @Override + protected Class<DataObject> getTargetType() { + return DataObject.class; + } + + @Override + protected Class<XMLStreamReader> getSourceType() { + return XMLStreamReader.class; + } + + @Override + public int getWeight() { + return 15; + } + +} |