| /* |
| * 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.core.databinding.transformers; |
| |
| import java.lang.reflect.Array; |
| |
| import org.apache.tuscany.sca.databinding.Mediator; |
| 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; |
| import org.apache.tuscany.sca.interfacedef.DataType; |
| import org.osoa.sca.annotations.Reference; |
| |
| /** |
| * This is a special transformer to transform the output from one IDL to the |
| * other one |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class Array2ArrayTransformer extends BaseTransformer<Object, Object> implements PullTransformer<Object, Object> { |
| |
| protected Mediator mediator; |
| |
| public Array2ArrayTransformer() { |
| super(); |
| } |
| |
| /** |
| * @param mediator the mediator to set |
| */ |
| @Reference |
| public void setMediator(Mediator mediator) { |
| this.mediator = mediator; |
| } |
| |
| @Override |
| public String getSourceDataBinding() { |
| return "java:array"; |
| } |
| |
| @Override |
| public String getTargetDataBinding() { |
| return "java:array"; |
| } |
| |
| /** |
| * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getSourceType() |
| */ |
| @Override |
| protected Class<Object> getSourceType() { |
| return Object.class; |
| } |
| |
| /** |
| * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getTargetType() |
| */ |
| @Override |
| protected Class<Object> getTargetType() { |
| return Object.class; |
| } |
| |
| /** |
| * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() |
| */ |
| @Override |
| public int getWeight() { |
| return 10; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public Object transform(Object array, TransformationContext context) { |
| try { |
| if (array == null) { |
| return null; |
| } |
| DataType<DataType> sourceType = context.getSourceDataType(); |
| DataType<DataType> targetType = context.getTargetDataType(); |
| int length = Array.getLength(array); |
| Object targetArray = Array.newInstance(targetType.getPhysical().getComponentType(), length); |
| for (int i = 0; i < length; i++) { |
| Object sourceItem = Array.get(array, i); |
| Object targetItem = |
| mediator.mediate(sourceItem, sourceType.getLogical(), targetType.getLogical(), context |
| .getMetadata()); |
| Array.set(targetArray, i, targetItem); |
| } |
| return targetArray; |
| } catch (Exception e) { |
| throw new TransformationException(e); |
| } |
| } |
| |
| } |