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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.sca.databinding.json.axiom;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
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.Transformer;
import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
import org.apache.tuscany.sca.databinding.json.JSONDataBinding;
import org.apache.tuscany.sca.databinding.json.JSONHelper;
import org.apache.tuscany.sca.interfacedef.DataType;
import org.apache.tuscany.sca.interfacedef.util.XMLType;
import org.codehaus.jettison.json.JSONObject;
import org.osoa.sca.annotations.Service;
/**
* @version $Rev$ $Date$
*/
@Service(Transformer.class)
public class JSON2OMElement extends BaseTransformer<Object, OMElement> implements PullTransformer<Object, OMElement> {
private OMFactory factory = OMAbstractFactory.getOMFactory();
@Override
protected Class<Object> getSourceType() {
return Object.class;
}
@Override
protected Class<OMElement> getTargetType() {
return OMElement.class;
}
public OMElement transform(Object source, TransformationContext context) {
try {
JSONObject json = JSONHelper.toJettison(source);
if (json == null) {
return null;
}
String ns = JSONDataBinding.ROOT_ELEMENT.getNamespaceURI();
String name = JSONDataBinding.ROOT_ELEMENT.getLocalPart();
if (context != null) {
DataType<?> dataType = context.getTargetDataType();
Object logical = dataType.getLogical();
if (logical instanceof XMLType) {
XMLType xmlType = (XMLType)logical;
if (xmlType.isElement()) {
ns = xmlType.getElementName().getNamespaceURI();
name = xmlType.getElementName().getLocalPart();
}
}
}
JSONBadgerfishDataSource ds = new JSONBadgerfishDataSource(json);
OMNamespace namespace = factory.createOMNamespace(ns, "");
return factory.createOMElement(ds, name, namespace);
} catch (Exception e) {
throw new TransformationException(e);
}
}
@Override
public int getWeight() {
return 500;
}
@Override
public String getSourceDataBinding() {
return JSONDataBinding.NAME;
}
}
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