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/*
* 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.databinding;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import java.io.StringReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.bind.JAXBElement;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.apache.tuscany.core.databinding.impl.TransformerRegistryImpl;
import org.apache.tuscany.core.databinding.xml.Node2String;
import org.apache.tuscany.core.databinding.xml.String2Node;
import org.apache.tuscany.core.databinding.xml.String2XMLStreamReader;
import org.apache.tuscany.core.databinding.xml.XMLStreamReader2String;
import org.apache.tuscany.databinding.axiom.OMElement2String;
import org.apache.tuscany.databinding.axiom.OMElement2XMLStreamReader;
import org.apache.tuscany.databinding.axiom.String2OMElement;
import org.apache.tuscany.databinding.axiom.XMLStreamReader2OMElement;
import org.apache.tuscany.databinding.jaxb.JAXB2Node;
import org.apache.tuscany.databinding.jaxb.JAXBContextHelper;
import org.apache.tuscany.databinding.jaxb.Node2JAXB;
import org.apache.tuscany.databinding.jaxb.XMLStreamReader2JAXB;
import org.apache.tuscany.databinding.sdo.DataObject2XMLStreamReader;
import org.apache.tuscany.databinding.sdo.XMLDocument2XMLStreamReader;
import org.apache.tuscany.databinding.sdo.XMLStreamReader2DataObject;
import org.apache.tuscany.databinding.sdo.XMLStreamReader2XMLDocument;
import org.apache.tuscany.databinding.xmlbeans.Node2XmlObject;
import org.apache.tuscany.databinding.xmlbeans.XMLStreamReader2XmlObject;
import org.apache.tuscany.databinding.xmlbeans.XmlObject2Node;
import org.apache.tuscany.databinding.xmlbeans.XmlObject2XMLStreamReader;
import org.apache.tuscany.sdo.util.SDOUtil;
import org.apache.tuscany.spi.databinding.PullTransformer;
import org.apache.tuscany.spi.databinding.TransformationContext;
import org.apache.tuscany.spi.databinding.Transformer;
import org.apache.tuscany.spi.databinding.TransformerRegistry;
import org.apache.tuscany.spi.model.DataType;
import org.apache.xmlbeans.XmlObject;
import org.w3c.dom.Node;
import commonj.sdo.DataObject;
import commonj.sdo.helper.HelperContext;
import commonj.sdo.helper.XMLDocument;
import commonj.sdo.helper.XMLHelper;
import commonj.sdo.helper.XSDHelper;
public class TransformationTestCase extends TestCase {
private static final String IPO_XML =
"<?xml version=\"1.0\"?>" + "<ipo:purchaseOrder"
+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
+ " xmlns:ipo=\"http://www.example.com/IPO\""
+ " xsi:schemaLocation=\"http://www.example.com/IPO ipo.xsd\""
+ " orderDate=\"1999-12-01\">"
+ " <shipTo exportCode=\"1\" xsi:type=\"ipo:UKAddress\">"
+ " <name>Helen Zoe</name>"
+ " <street>47 Eden Street</street>"
+ " <city>Cambridge</city>"
+ " <postcode>CB1 1JR</postcode>"
+ " </shipTo>"
+ " <billTo xsi:type=\"ipo:USAddress\">"
+ " <name>Robert Smith</name>"
+ " <street>8 Oak Avenue</street>"
+ " <city>Old Town</city>"
+ " <state>PA</state>"
+ " <zip>95819</zip>"
+ " </billTo>"
+ " <items>"
+ " <item partNum=\"833-AA\">"
+ " <productName>Lapis necklace</productName>"
+ " <quantity>1</quantity>"
+ " <USPrice>99.95</USPrice>"
+ " <ipo:comment>Want this for the holidays</ipo:comment>"
+ " <shipDate>1999-12-05</shipDate>"
+ " </item>"
+ " </items>"
+ "</ipo:purchaseOrder>";
private TransformerRegistry registry;
private String contextPath = "com.example.ipo.jaxb";
protected void setUp() throws Exception {
super.setUp();
registry = new TransformerRegistryImpl();
List<Transformer> transformers = new ArrayList<Transformer>();
// Adding JAXB transformers
transformers.add(new JAXB2Node());
transformers.add(new Node2JAXB());
transformers.add(new XMLStreamReader2JAXB());
// Adding XMLBeans transformers
transformers.add(new XmlObject2Node());
transformers.add(new XmlObject2XMLStreamReader());
transformers.add(new Node2XmlObject());
transformers.add(new XMLStreamReader2XmlObject());
transformers.add(new DataObject2XMLStreamReader());
transformers.add(new XMLStreamReader2DataObject());
transformers.add(new XMLDocument2XMLStreamReader());
transformers.add(new XMLStreamReader2XMLDocument());
transformers.add(new String2XMLStreamReader());
transformers.add(new XMLStreamReader2String());
transformers.add(new String2Node());
transformers.add(new Node2String());
transformers.add(new OMElement2String());
transformers.add(new String2OMElement());
transformers.add(new XMLStreamReader2OMElement());
transformers.add(new OMElement2XMLStreamReader());
for (Transformer transformer : transformers) {
registry.registerTransformer(transformer);
}
// System.out.println(registry);
URL xsdFile = getClass().getClassLoader().getResource("ipo.xsd");
XSDHelper.INSTANCE.define(xsdFile.openStream(), null);
}
@SuppressWarnings("unchecked")
// XMLBeans --> SDO
public void testTransformation1() throws Exception {
URL xsdFile = getClass().getClassLoader().getResource("ipo.xsd");
HelperContext helperContext = SDOUtil.createHelperContext();
XSDHelper xsdHelper = helperContext.getXSDHelper();
xsdHelper.define(xsdFile.openStream(), xsdFile.toExternalForm());
// URL/Stream/Reader to XmlObject
XmlObject object = XmlObject.Factory.parse(new StringReader(IPO_XML));
List<Transformer> path =
registry.getTransformerChain(XmlObject.class.getName(), DataObject.class.getName());
System.out.println("Path: " + path);
TransformationContext tContext = createTransformationContext();
// tContext.getMetadata().put(ImportSDO.class, new ImportSDO(helperContext));
Object result = object;
for (Transformer transformer : path) {
result = ((PullTransformer)transformer).transform(result, tContext);
}
System.out.println("Result: " + result);
Assert.assertNotNull(result);
Assert.assertTrue(result instanceof DataObject);
}
@SuppressWarnings("unchecked")
// SDO --> DOM
public void testTransformation2() throws Exception {
// System.out.println(registry);
URL xmlFile = getClass().getClassLoader().getResource("ipo.xml");
// URL/Stream/Reader to XmlObject
XMLDocument object = XMLHelper.INSTANCE.load(xmlFile.openStream());
List<Transformer> path =
registry.getTransformerChain(XMLDocument.class.getName(), Node.class.getName());
System.out.println("Path: " + path);
TransformationContext tContext = createTransformationContext();
Object result = object;
for (Transformer transformer : path) {
result = ((PullTransformer)transformer).transform(result, tContext);
}
System.out.println("Result: " + result);
Assert.assertNotNull(result);
Assert.assertTrue(result instanceof Node);
}
@SuppressWarnings("unchecked")
// SDO --> JAXB
public void testTransformation3() throws Exception {
// System.out.println(registry);
URL xmlFile = getClass().getClassLoader().getResource("ipo.xml");
// URL/Stream/Reader to XmlObject
XMLDocument object = XMLHelper.INSTANCE.load(xmlFile.openStream());
List<Transformer> path =
registry.getTransformerChain(XMLDocument.class.getName(), JAXBElement.class.getName());
System.out.println("Path: " + path);
TransformationContext tContext = createTransformationContext();
Object result = object;
for (Transformer transformer : path) {
result = ((PullTransformer)transformer).transform(result, tContext);
}
System.out.println("Result: " + result);
Assert.assertNotNull(result);
Assert.assertTrue(result instanceof Object);
}
private TransformationContext createTransformationContext() {
DataType dataType = new DataType<Class>(Object.class, null);
dataType.setMetadata(JAXBContextHelper.JAXB_CONTEXT_PATH, contextPath);
TransformationContext tContext = createMock(TransformationContext.class);
expect(tContext.getTargetDataType()).andReturn(dataType).anyTimes();
expect(tContext.getSourceDataType()).andReturn(dataType).anyTimes();
Map<Class<?>, Object> metadata = new HashMap<Class<?>, Object>();
expect(tContext.getMetadata()).andReturn(metadata).anyTimes();
replay(tContext);
return tContext;
}
protected void tearDown() throws Exception {
super.tearDown();
}
}
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