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/**
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.axis2.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
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.wire.InvocationRuntimeException;
import org.apache.tuscany.databinding.sdo.SDOXMLHelper;
import org.apache.tuscany.sdo.util.SDOUtil;
import org.osoa.sca.ServiceRuntimeException;
import commonj.sdo.DataObject;
import commonj.sdo.helper.TypeHelper;
import commonj.sdo.helper.XMLHelper;
/**
* DataBinding for converting between AXIOM OMElement and Java Objects
*/
public class SDODataBinding {
private ClassLoader classLoader;
private TypeHelper typeHelper;
private QName elementQName;
private boolean isWrapped;
public SDODataBinding(ClassLoader classLoader, TypeHelper typeHelper, QName elementQName, boolean isWrapped) {
this.classLoader = classLoader;
this.typeHelper = typeHelper;
this.elementQName = elementQName;
this.isWrapped = isWrapped;
}
public Object[] fromOMElement(OMElement omElement) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
omElement.serialize(baos);
baos.flush();
baos.close();
return SDOXMLHelper.toObjects(classLoader,typeHelper, baos.toByteArray(), isWrapped);
} catch (IOException e) {
throw new InvocationRuntimeException(e);
} catch (XMLStreamException e) {
throw new InvocationRuntimeException(e);
}
}
public OMElement toOMElement(Object[] os) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataObject dataObject = SDOXMLHelper.toDataObject(classLoader, typeHelper, os, elementQName, isWrapped);
XMLHelper xmlHelper = SDOUtil.createXMLHelper(typeHelper);
xmlHelper.save(dataObject, elementQName.getNamespaceURI(), elementQName.getLocalPart(), baos);
baos.close();
XMLStreamReader xsr = XMLInputFactory.newInstance().createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
OMXMLParserWrapper builder = OMXMLBuilderFactory.createStAXOMBuilder(OMAbstractFactory.getOMFactory(), xsr);
OMElement omElement = builder.getDocumentElement();
return omElement;
} catch (IOException e) {
throw new ServiceRuntimeException(e);
} catch (XMLStreamException e) {
throw new ServiceRuntimeException(e);
} catch (FactoryConfigurationError e) {
throw new ServiceRuntimeException(e);
}
}
}
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