diff options
author | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
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committer | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
commit | bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch) | |
tree | 38a92061c0793434c4be189f1d70c3458b6bc41d /sandbox/rajith/binding.jms/src/main/java/org/apache/tuscany/binding/jms/SDODataBinding.java |
Move Tuscany from Incubator to top level.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/rajith/binding.jms/src/main/java/org/apache/tuscany/binding/jms/SDODataBinding.java')
-rw-r--r-- | sandbox/rajith/binding.jms/src/main/java/org/apache/tuscany/binding/jms/SDODataBinding.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/sandbox/rajith/binding.jms/src/main/java/org/apache/tuscany/binding/jms/SDODataBinding.java b/sandbox/rajith/binding.jms/src/main/java/org/apache/tuscany/binding/jms/SDODataBinding.java new file mode 100644 index 0000000000..f45a3f68d4 --- /dev/null +++ b/sandbox/rajith/binding.jms/src/main/java/org/apache/tuscany/binding/jms/SDODataBinding.java @@ -0,0 +1,156 @@ +/* + * 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.binding.jms; + +import java.io.ByteArrayInputStream; +import java.util.List; + +import javax.xml.namespace.QName; +import javax.xml.stream.FactoryConfigurationError; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.axiom.om.OMAbstractFactory; +import org.apache.axiom.om.OMElement; +import org.apache.axiom.om.OMXMLParserWrapper; +import org.apache.axiom.om.impl.llom.factory.OMXMLBuilderFactory; +import org.apache.tuscany.core.databinding.impl.TransformationContextImpl; +import org.apache.tuscany.databinding.sdo.XMLDocument2XMLStreamReader; +import org.apache.tuscany.databinding.sdo.XMLStreamReader2XMLDocument; +import org.apache.tuscany.sdo.util.SDOUtil; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.model.DataType; +import org.apache.tuscany.spi.wire.InvocationRuntimeException; + +import commonj.sdo.DataObject; +import commonj.sdo.Property; +import commonj.sdo.Type; +import commonj.sdo.helper.DataFactory; +import commonj.sdo.helper.TypeHelper; +import commonj.sdo.helper.XMLDocument; +import commonj.sdo.helper.XMLHelper; +import commonj.sdo.helper.XSDHelper; + +/** + * DataBinding for converting between AXIOM OMElement and Java Objects + */ +public class SDODataBinding { + + private TypeHelper typeHelper; + + private boolean isWrapped; + + private QName elementName; + + public SDODataBinding(TypeHelper typeHelper, boolean isWrapped, QName elementName) { + this.typeHelper = typeHelper; + this.isWrapped = isWrapped; + this.elementName = elementName; + } + + public Object[] fromXML(String input) throws XMLStreamException, FactoryConfigurationError { + + ByteArrayInputStream bIn = new ByteArrayInputStream(input.getBytes()); + + XMLStreamReader reader = XMLInputFactory.newInstance().createXMLStreamReader(bIn); + + XMLStreamReader2XMLDocument transformer = new XMLStreamReader2XMLDocument(); + TransformationContext context = new TransformationContextImpl(); + DataType<QName> binding = new DataType<QName>(DataObject.class, null); + binding.setMetadata(TypeHelper.class.getName(), typeHelper); + context.setTargetDataType(binding); + XMLDocument document = transformer.transform(reader, context); + return toObjects(document, isWrapped); + } + + public String toXML(Object[] os) { + XMLDocument document = toXMLDocument(typeHelper, os, elementName, isWrapped); + XMLDocument2XMLStreamReader transformer = new XMLDocument2XMLStreamReader(); + XMLStreamReader reader = transformer.transform(document, null); + OMXMLParserWrapper builder = OMXMLBuilderFactory.createStAXOMBuilder(OMAbstractFactory.getOMFactory(), reader); + OMElement omElement = builder.getDocumentElement(); + return omElement.toString(); + } + + /** + * Convert a typed DataObject to Java objects + * + * @param dataObject + * @param isWrapped + * @return the array of Objects from the DataObject + */ + public static Object[] toObjects(XMLDocument document, boolean isWrapped) { + DataObject dataObject = document.getRootObject(); + if (isWrapped) { + List ips = dataObject.getInstanceProperties(); + Object[] os = new Object[ips.size()]; + for (int i = 0; i < ips.size(); i++) { + os[i] = dataObject.get((Property) ips.get(i)); + } + return os; + } else { + Object object = dataObject; + Type type = dataObject.getType(); + if (type.isSequenced()) { + object = dataObject.getSequence().getValue(0); + } + return new Object[] { object }; + } + } + + /** + * Convert objects to typed DataObject + * + * @param typeNS + * @param typeName + * @param os + * @return the DataObject + */ + private static XMLDocument toXMLDocument(TypeHelper typeHelper, Object[] os, QName elementQName, boolean isWrapped) { + XSDHelper xsdHelper = SDOUtil.createXSDHelper(typeHelper); + + Property property = xsdHelper.getGlobalProperty(elementQName.getNamespaceURI(), elementQName.getLocalPart(), true); + if (null == property) { + throw new InvocationRuntimeException("Type '" + elementQName.toString() + "' not found in registered SDO types."); + } + DataObject dataObject = null; + if (isWrapped) { + DataFactory dataFactory = SDOUtil.createDataFactory(typeHelper); + dataObject = dataFactory.create(property.getType()); + List ips = dataObject.getInstanceProperties(); + for (int i = 0; i < ips.size(); i++) { + dataObject.set(i, os[i]); + } + } else { + Object value = os[0]; + Type type = property.getType(); + if (!type.isDataType()) { + dataObject = (DataObject) value; + } else { + dataObject = SDOUtil.createDataTypeWrapper(type, value); + } + } + + XMLHelper xmlHelper = SDOUtil.createXMLHelper(typeHelper); + return xmlHelper.createDocument(dataObject, elementQName.getNamespaceURI(), elementQName.getLocalPart()); + + } + +} |