From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/databinding/xml/DOMDataBinding.java | 131 +++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java (limited to 'sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java') diff --git a/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java b/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java new file mode 100644 index 0000000000..b21a531c53 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java @@ -0,0 +1,131 @@ +/* + * 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 javax.xml.namespace.QName; + +import org.apache.tuscany.sca.common.xml.dom.DOMHelper; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.databinding.BaseDataBinding; +import org.apache.tuscany.sca.databinding.TransformationContext; +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.util.XMLType; +import org.w3c.dom.Attr; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.NamedNodeMap; +import org.w3c.dom.Node; + +/** + * DOM DataBinding + * + * @version $Rev$ $Date$ + * @tuscany.spi.extension.asclient + */ +public class DOMDataBinding extends BaseDataBinding { + public static final String NAME = Node.class.getName(); + + public static final String ROOT_NAMESPACE = "http://tuscany.apache.org/xmlns/sca/databinding/dom/1.0"; + public static final QName ROOT_ELEMENT = new QName(ROOT_NAMESPACE, "root"); + + private DOMHelper domHelper; + + public DOMDataBinding(ExtensionPointRegistry registry) { + super(NAME, Node.class); + this.domHelper = DOMHelper.getInstance(registry); + } + + @Override + public WrapperHandler getWrapperHandler() { + return new DOMWrapperHandler(domHelper); + } + + @Override + public Object copy(Object source, + DataType dataType, + DataType targetDataType, + Operation operation, + Operation targetOperation) { + if (Node.class.isAssignableFrom(source.getClass())) { + Node nodeSource = (Node)source; + return nodeSource.cloneNode(true); + } + return super.copy(source, dataType, targetDataType, operation, targetOperation); + } + + @Override + public boolean introspect(DataType type, Operation operation) { + if (Node.class.isAssignableFrom(type.getPhysical())) { + if (type.getLogical() == null) { + type.setLogical(new XMLType(ROOT_ELEMENT, null)); + } + type.setDataBinding(NAME); + return true; + } + return false; + } + + /** + * @param context + * @param element + */ + public static Element adjustElementName(TransformationContext context, Element element) { + if (context != null) { + DataType dataType = context.getTargetDataType(); + Object logical = dataType == null ? null : dataType.getLogical(); + if (!(logical instanceof XMLType)) { + return element; + } + XMLType xmlType = (XMLType)logical; + QName name = new QName(element.getNamespaceURI(), element.getLocalName()); + if (xmlType.isElement() && !xmlType.getElementName().equals(name)) { + QName newName = xmlType.getElementName(); + String prefix = newName.getPrefix(); + String qname = newName.getLocalPart(); + if (prefix != null && !prefix.equals("")) { + qname = prefix + ":" + qname; + } + Document doc = element.getOwnerDocument(); + Element newElement = doc.createElementNS(newName.getNamespaceURI(), qname); + // Copy the attributes to the new element + NamedNodeMap attrs = element.getAttributes(); + for (int i = 0; i < attrs.getLength(); i++) { + Attr attr = (Attr)doc.importNode(attrs.item(i), true); + newElement.getAttributes().setNamedItem(attr); + } + + // Move all the children + while (element.hasChildNodes()) { + newElement.appendChild(element.getFirstChild()); + } + + // Replace the old node with the new node + if (element.getParentNode() != null) { + element.getParentNode().replaceChild(newElement, element); + } + + return newElement; + } + } + return element; + } +} -- cgit v1.2.3