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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.saxon;
import java.lang.reflect.Array;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.value.Value;
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;
/**
* Transforms a Value object to a Java Object and return it in an array.
*
* @version $Rev: 659284 $ $Date: 2008-05-22 14:26:18 -0800 (Thu, 22 May 2008) $
*/
public class Value2JavaArray extends BaseTransformer<Value, Object[]> implements PullTransformer<Value, Object[]> {
public Value2JavaArray() {
}
@Override
protected Class<Value> getSourceType() {
return Value.class;
}
@Override
protected Class<Object[]> getTargetType() {
return Object[].class;
}
@Override
public int getWeight() {
return super.getWeight() + 100;
}
public Object[] transform(Value source, TransformationContext context) {
try {
Object object = Value.convert(Value.asItem(source));
Class<?> componentClass = context.getTargetDataType().getPhysical().getComponentType();
Object[] result = (Object[])Array.newInstance(componentClass, 1);
result[0] = object;
return result;
} catch (XPathException e) {
throw new TransformationException(e.getMessage());
}
}
}
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