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Diffstat (limited to '')
-rw-r--r-- | sca-java-1.x/tags/1.6.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/DataObject2XMLStreamReader.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/DataObject2XMLStreamReader.java b/sca-java-1.x/tags/1.6.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/DataObject2XMLStreamReader.java new file mode 100644 index 0000000000..116ac4c553 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/DataObject2XMLStreamReader.java @@ -0,0 +1,82 @@ +/* + * 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 java.security.AccessController; +import java.security.PrivilegedAction; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +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.impl.BaseTransformer; +import org.apache.tuscany.sdo.api.SDOUtil; +import org.apache.tuscany.sdo.api.XMLStreamHelper; + +import commonj.sdo.DataObject; +import commonj.sdo.helper.HelperContext; +import commonj.sdo.helper.XMLDocument; +import commonj.sdo.helper.XMLHelper; + +public class DataObject2XMLStreamReader extends BaseTransformer<DataObject, XMLStreamReader> implements + PullTransformer<DataObject, XMLStreamReader> { + + public XMLStreamReader transform(final DataObject source, TransformationContext context) { + if (source == null) { + return null; + } + try { + HelperContext helperContext = SDOContextHelper.getHelperContext(context, true); + XMLStreamHelper streamHelper = SDOUtil.createXMLStreamHelper(helperContext); + final QName elementName = SDOContextHelper.getElement(context); + final XMLHelper xmlHelper = helperContext.getXMLHelper(); + // Allow privileged access to read properties. REquires java.util.PropertyPermission + // XML.load.form.lax read in security policy. + XMLDocument document = AccessController.doPrivileged(new PrivilegedAction<XMLDocument>() { + public XMLDocument run() { + return xmlHelper.createDocument(source, elementName.getNamespaceURI(), elementName.getLocalPart()); + } + }); + + return streamHelper.createXMLStreamReader(document); + } catch (XMLStreamException e) { + // TODO: Add context to the exception + throw new TransformationException(e); + } + } + + @Override + protected Class<DataObject> getSourceType() { + return DataObject.class; + } + + @Override + protected Class<XMLStreamReader> getTargetType() { + return XMLStreamReader.class; + } + + @Override + public int getWeight() { + return 10; + } + +} |