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Diffstat (limited to 'branches/sca-java-0.90/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/transformers/Input2InputTransformer.java')
-rw-r--r-- | branches/sca-java-0.90/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/transformers/Input2InputTransformer.java | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/branches/sca-java-0.90/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/transformers/Input2InputTransformer.java b/branches/sca-java-0.90/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/transformers/Input2InputTransformer.java deleted file mode 100644 index 3b4a189193..0000000000 --- a/branches/sca-java-0.90/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/transformers/Input2InputTransformer.java +++ /dev/null @@ -1,203 +0,0 @@ -/* - * 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.core.databinding.transformers; - -import java.util.List; - -import org.apache.tuscany.sca.databinding.DataBinding; -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.Transformer; -import org.apache.tuscany.sca.databinding.WrapperHandler; -import org.apache.tuscany.sca.databinding.impl.BaseTransformer; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl; -import org.apache.tuscany.sca.interfacedef.util.ElementInfo; -import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; -import org.apache.tuscany.sca.interfacedef.util.XMLType; -import org.osoa.sca.annotations.Reference; -import org.osoa.sca.annotations.Service; - -/** - * This is a special transformer to transform the input from one IDL to the - * other one - */ -@Service(Transformer.class) -public class Input2InputTransformer extends BaseTransformer<Object[], Object[]> implements - PullTransformer<Object[], Object[]> { - - protected Mediator mediator; - - public Input2InputTransformer() { - super(); - } - - @Override - public String getSourceDataBinding() { - return DataBinding.IDL_INPUT; - } - - @Override - public String getTargetDataBinding() { - return DataBinding.IDL_INPUT; - } - - /** - * @param mediator the mediator to set - */ - @Reference - public void setMediator(Mediator mediator) { - this.mediator = mediator; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getSourceType() - */ - @Override - protected Class getSourceType() { - return Object[].class; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getTargetType() - */ - @Override - protected Class getTargetType() { - return Object[].class; - } - - /** - * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() - */ - public int getWeight() { - return 10000; - } - - @SuppressWarnings("unchecked") - public Object[] transform(Object[] source, TransformationContext context) { - DataType<List<DataType>> sourceType = context.getSourceDataType(); - Operation sourceOp = context.getSourceOperation(); - boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle(); - - WrapperHandler sourceWrapperHandler = null; - String sourceDataBinding = getDataBinding(sourceOp); - if (sourceWrapped) { - sourceWrapperHandler = getWrapperHandler(sourceDataBinding, true); - } - - DataType<List<DataType>> targetType = context.getTargetDataType(); - Operation targetOp = (Operation)context.getTargetOperation(); - boolean targetWrapped = targetOp != null && targetOp.isWrapperStyle(); - WrapperHandler targetWrapperHandler = null; - String targetDataBinding = null; - if (targetWrapped) { - targetDataBinding = getDataBinding(targetOp); - targetWrapperHandler = getWrapperHandler(targetDataBinding, true); - } - - if ((!sourceWrapped) && targetWrapped) { - // Unwrapped --> Wrapped - WrapperInfo wrapper = targetOp.getWrapper(); - ElementInfo wrapperElement = wrapper.getInputWrapperElement(); - - // If the source can be wrapped, wrapped it first - if (sourceWrapperHandler != null) { - Object sourceWrapper = sourceWrapperHandler.create(wrapperElement, context); - for (int i = 0; i < source.length; i++) { - ElementInfo argElement = wrapper.getInputChildElements().get(i); - sourceWrapperHandler.setChild(sourceWrapper, i, argElement, source[0]); - } - } - Object targetWrapper = targetWrapperHandler.create(wrapperElement, context); - if (source == null) { - return new Object[] {targetWrapper}; - } - List<DataType> argTypes = wrapper.getUnwrappedInputType().getLogical(); - - for (int i = 0; i < source.length; i++) { - ElementInfo argElement = wrapper.getInputChildElements().get(i); - DataType<XMLType> argType = argTypes.get(i); - Object child = source[i]; - child = mediator.mediate(source[i], sourceType.getLogical().get(i), argType, context.getMetadata()); - targetWrapperHandler.setChild(targetWrapper, i, argElement, child); - } - return new Object[] {targetWrapper}; - } else if (sourceWrapped && (!targetWrapped)) { - // Wrapped to Unwrapped - Object sourceWrapper = source[0]; - // List<ElementInfo> childElements = - // sourceOp.getWrapper().getInputChildElements(); - Object[] target = null; - - targetWrapperHandler = getWrapperHandler(targetDataBinding, false); - if (targetWrapperHandler != null) { - ElementInfo wrapperElement = sourceOp.getWrapper().getInputWrapperElement(); - // Object targetWrapper = - // targetWrapperHandler.create(wrapperElement, context); - DataType<XMLType> targetWrapperType = new DataTypeImpl<XMLType>(targetDataBinding, Object.class, - new XMLType(wrapperElement)); - Object targetWrapper = mediator.mediate(sourceWrapper, - sourceType.getLogical().get(0), - targetWrapperType, - context.getMetadata()); - target = targetWrapperHandler.getChildren(targetWrapper).toArray(); - } else { - Object[] sourceChildren = sourceWrapperHandler.getChildren(sourceWrapper).toArray(); - target = new Object[sourceChildren.length]; - for (int i = 0; i < sourceChildren.length; i++) { - DataType<XMLType> childType = sourceOp.getWrapper().getUnwrappedInputType().getLogical().get(i); - target[i] = mediator.mediate(sourceChildren[i], childType, targetType.getLogical().get(i), context - .getMetadata()); - } - } - return target; - } else { - // Assuming wrapper to wrapper conversion can be handled here as - // well - Object[] newArgs = new Object[source.length]; - for (int i = 0; i < source.length; i++) { - Object child = mediator.mediate(source[i], sourceType.getLogical().get(i), targetType.getLogical() - .get(i), context.getMetadata()); - newArgs[i] = child; - } - return newArgs; - } - } - - private WrapperHandler getWrapperHandler(String dataBindingId, boolean required) { - WrapperHandler wrapperHandler = null; - if (dataBindingId != null) { - DataBinding dataBinding = mediator.getDataBindings().getDataBinding(dataBindingId); - wrapperHandler = dataBinding == null ? null : dataBinding.getWrapperHandler(); - } - if (wrapperHandler == null && required) { - throw new TransformationException("No wrapper handler is provided for databinding: " + dataBindingId); - } - return wrapperHandler; - } - - private String getDataBinding(Operation operation) { - return operation.getDataBinding(); - } - -} |