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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOWrapperHandler.java | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOWrapperHandler.java b/sca-java-2.x/tags/2.0-Beta2-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOWrapperHandler.java new file mode 100644 index 0000000000..58c69858b7 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta2-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOWrapperHandler.java @@ -0,0 +1,192 @@ +/* + * 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.sdo; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.databinding.WrapperHandler; +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.TypeInfo; +import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; +import org.apache.tuscany.sca.interfacedef.util.XMLType; + +import commonj.sdo.DataObject; +import commonj.sdo.Property; +import commonj.sdo.Sequence; +import commonj.sdo.Type; +import commonj.sdo.helper.DataFactory; +import commonj.sdo.helper.HelperContext; +import commonj.sdo.helper.XMLDocument; +import commonj.sdo.helper.XSDHelper; + +/** + * SDO Wrapper Handler + * + * @version $Rev$ $Date$ + */ +public class SDOWrapperHandler implements WrapperHandler<Object> { + + public Object create(Operation operation, boolean input) { + WrapperInfo wrapperInfo = operation.getWrapper(); + + + ElementInfo element = input ? wrapperInfo.getInputWrapperElement() : + wrapperInfo.getOutputWrapperElement(); + + HelperContext helperContext = SDOContextHelper.getHelperContext(operation); + Type sdoType = getSDOType(helperContext, element); + if (sdoType != null) { + DataFactory dataFactory = helperContext.getDataFactory(); + return dataFactory.create(sdoType); + } + return null; + } + + public void setChildren(Object wrapper, Object[] childObjects, Operation operation, boolean input) { + WrapperInfo wrapperInfo = operation.getWrapper(); + + + List<ElementInfo> childElements = input? wrapperInfo.getInputChildElements(): + wrapperInfo.getOutputChildElements(); + + for (int i = 0; i < childElements.size(); i++) { + setChild(wrapper, i, childElements.get(i), childObjects[i]); + } + } + + /** + * @see org.apache.tuscany.sca.databinding.WrapperHandler#setChild(java.lang.Object, int, ElementInfo, + * java.lang.Object) + */ + public void setChild(Object wrapper, int i, ElementInfo childElement, Object value) { + DataObject wrapperDO = + (wrapper instanceof XMLDocument) ? ((XMLDocument)wrapper).getRootObject() : (DataObject)wrapper; + String name = childElement.getQName().getLocalPart(); + if (childElement.isMany()) { + // FIXME: If we look up by name, we need to make sure the WrapperInfo has the correct element names + wrapperDO.getList(i).addAll((Collection)value); + } else { + wrapperDO.set(i, value); + } + } + + @SuppressWarnings("unchecked") + public List getChildren(Object wrapper, Operation operation, boolean input) { + DataObject wrapperDO = + (wrapper instanceof XMLDocument) ? ((XMLDocument)wrapper).getRootObject() : (DataObject)wrapper; + List<Property> properties = wrapperDO.getInstanceProperties(); + List<Object> elements = new ArrayList<Object>(); + Type type = wrapperDO.getType(); + if (type.isSequenced()) { + // Add values in the sequence + Sequence sequence = wrapperDO.getSequence(); + for (int i = 0; i < sequence.size(); i++) { + // Skip mixed text + if (sequence.getProperty(i) != null) { + elements.add(sequence.getValue(i)); + } + } + } else { + for (Property p : properties) { + Object child = wrapperDO.get(p); + if (p.isMany()) { + for (Object c : (Collection<?>)child) { + elements.add(c); + } + } else { + elements.add(child); + } + } + } + return elements; + } + + /** + * @see org.apache.tuscany.sca.databinding.WrapperHandler#getWrapperType(Operation, boolean) + */ + public DataType getWrapperType(Operation operation, boolean input) { + WrapperInfo wrapperInfo = operation.getWrapper(); + + + ElementInfo element = input ? wrapperInfo.getInputWrapperElement() : + wrapperInfo.getOutputWrapperElement(); + + HelperContext helperContext = SDOContextHelper.getHelperContext(operation); + Type sdoType = getSDOType(helperContext, element); + if (sdoType != null) { + // Check if child elements matches + Class physical = sdoType.getInstanceClass(); + DataType<XMLType> wrapperType = + new DataTypeImpl<XMLType>(SDODataBinding.NAME, physical, new XMLType(element)); + return wrapperType; + } else { + return null; + } + } + + /** + * @param helperContext + * @param element + * @return + */ + private Type getSDOType(HelperContext helperContext, ElementInfo element) { + XSDHelper xsdHelper = helperContext.getXSDHelper(); + Type sdoType = null; + Property prop = + xsdHelper.getGlobalProperty(element.getQName().getNamespaceURI(), element.getQName().getLocalPart(), true); + if (prop != null) { + sdoType = prop.getType(); + } else { + TypeInfo type = element.getType(); + QName typeName = type != null ? type.getQName() : null; + if (typeName != null) { + sdoType = helperContext.getTypeHelper().getType(typeName.getNamespaceURI(), typeName.getLocalPart()); + } + } + return sdoType; + } + + /** + * @see org.apache.tuscany.sca.databinding.WrapperHandler#isInstance(java.lang.Object, Operation, boolean) + */ + public boolean isInstance(Object wrapper, Operation operation, boolean input) { + WrapperInfo wrapperInfo = operation.getWrapper(); + + + ElementInfo element = input ? wrapperInfo.getInputWrapperElement() : + wrapperInfo.getOutputWrapperElement(); + + // List<ElementInfo> childElements = + // input ? wrapperInfo.getInputChildElements() : wrapperInfo.getOutputChildElements(); + HelperContext helperContext = SDOContextHelper.getHelperContext(operation); + Type sdoType = getSDOType(helperContext, element); + if (sdoType != null) { + return sdoType.isInstance(wrapper); + } + return false; + } +} |