1 files changed, 151 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMWrapperHandler.java b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMWrapperHandler.java
new file mode 100644
index 0000000000..6736888b0e
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMWrapperHandler.java
@@ -0,0 +1,151 @@
+/*
+ * 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.xml;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.common.xml.dom.DOMHelper;
+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.WrapperInfo;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public class DOMWrapperHandler implements WrapperHandler<Node> {
+    private DOMHelper domHelper;
+    
+    public DOMWrapperHandler(DOMHelper domHelper) {
+        super();
+        this.domHelper = domHelper;
+    }
+
+    public Node create(Operation operation, boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        ElementInfo element = input ? inputWrapperInfo.getWrapperElement() : outputWrapperInfo.getWrapperElement();
+
+        Document document = domHelper.newDocument();
+        QName name = element.getQName();
+        return DOMHelper.createElement(document, name);
+    }
+
+    public void setChildren(Node wrapper,
+                            Object[] childObjects,
+                            Operation operation, boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+           
+        List<ElementInfo> childElements = input? inputWrapperInfo.getChildElements():
+            outputWrapperInfo.getChildElements();
+        for (int i = 0; i < childElements.size(); i++) {
+            setChild(wrapper, i, childElements.get(i), childObjects[i]);
+        }
+
+    }
+    public void setChild(Node wrapper, int i, ElementInfo childElement, Object value) {
+        Node node = (Node)value;
+        if (node.getNodeType() == Node.DOCUMENT_NODE) {
+            node = ((Document)node).getDocumentElement();
+        }
+        wrapper.appendChild(wrapper.getOwnerDocument().importNode(node, true));
+    }
+
+    public List getChildren(Node wrapper, Operation operation, boolean input) {
+        assert wrapper != null;
+        
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        List<ElementInfo> childElements = input? inputWrapperInfo.getChildElements():
+            outputWrapperInfo.getChildElements();
+        
+        if (wrapper.getNodeType() == Node.DOCUMENT_NODE) {
+            wrapper = ((Document)wrapper).getDocumentElement();
+        }
+        List<Node> elements = new ArrayList<Node>();
+        NodeList nodes = wrapper.getChildNodes();
+        for (int j = 0; j < nodes.getLength(); j++) {
+            Node node = nodes.item(j);
+            if (node.getNodeType() == Node.ELEMENT_NODE) {
+                elements.add(node);
+            }
+        }
+        return elements;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.WrapperHandler#getWrapperType(Operation, boolean)
+     */
+    public DataType getWrapperType(Operation operation, boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        ElementInfo element = input? inputWrapperInfo.getWrapperElement(): outputWrapperInfo.getWrapperElement();
+        DataType<XMLType> wrapperType =
+            new DataTypeImpl<XMLType>(DOMDataBinding.NAME, Node.class, new XMLType(element));
+        return wrapperType;
+    }
+
+    public boolean isInstance(Object wrapperObj,
+                              Operation operation,
+                              boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        ElementInfo element = input ? inputWrapperInfo.getWrapperElement() : outputWrapperInfo.getWrapperElement();
+        List<ElementInfo> childElements = input ? inputWrapperInfo.getChildElements() : outputWrapperInfo.getChildElements();
+        
+        Node wrapper = (Node)wrapperObj;
+        if (wrapper.getNodeType() == Node.DOCUMENT_NODE) {
+            wrapper = ((Document)wrapper).getDocumentElement();
+        }
+        QName elementName = new QName(wrapper.getNamespaceURI(), wrapper.getLocalName());
+        if (!element.getQName().equals(elementName)) {
+            return false;
+        }
+        Set<QName> names = new HashSet<QName>();
+        for (ElementInfo e : childElements) {
+            names.add(e.getQName());
+        }
+        NodeList nodes = wrapper.getChildNodes();
+        for (int j = 0; j < nodes.getLength(); j++) {
+            Node node = nodes.item(j);
+            if (node.getNodeType() == Node.ELEMENT_NODE) {
+                elementName = new QName(node.getNamespaceURI(), node.getLocalName());
+                if (!names.contains(elementName)) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+}