diff options
Diffstat (limited to 'sandbox/ant/sca/trunk/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/impl/DOMHelper.java')
-rw-r--r-- | sandbox/ant/sca/trunk/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/impl/DOMHelper.java | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/sandbox/ant/sca/trunk/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/impl/DOMHelper.java b/sandbox/ant/sca/trunk/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/impl/DOMHelper.java deleted file mode 100644 index 64b3d22c10..0000000000 --- a/sandbox/ant/sca/trunk/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/impl/DOMHelper.java +++ /dev/null @@ -1,163 +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.sca.databinding.impl; - -import javax.xml.namespace.QName; -import javax.xml.parsers.DocumentBuilder; -import javax.xml.parsers.DocumentBuilderFactory; -import javax.xml.parsers.ParserConfigurationException; - -import org.apache.tuscany.sca.databinding.TransformationContext; -import org.apache.tuscany.sca.interfacedef.DataType; -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; - -/** - * Helper for DOM - * - * @version $Rev$ $Date$ - */ -public final class DOMHelper { - private static DocumentBuilderFactory FACTORY; - - private DOMHelper() { - } - - public static Document newDocument() throws ParserConfigurationException { - return newDocumentBuilder().newDocument(); - } - - public static DocumentBuilder newDocumentBuilder() throws ParserConfigurationException { - init(); - return FACTORY.newDocumentBuilder(); - } - - /** - * - */ - private static synchronized void init() { - if (FACTORY == null) { - FACTORY = DocumentBuilderFactory.newInstance(); - FACTORY.setNamespaceAware(true); - } - } - - public static QName getQName(Node node) { - String ns = node.getNamespaceURI(); - if (ns == null) { - ns = ""; - } - // node.getLocalName() will return null if it is created using DOM Level - // 1 method - // such as createElement() - return new QName(ns, node.getNodeName()); - } - - public static Element createElement(Document document, QName name) { - String prefix = name.getPrefix(); - String qname = - (prefix != null && prefix.length() > 0) ? prefix + ":" + name.getLocalPart() : name.getLocalPart(); - return document.createElementNS(name.getNamespaceURI(), qname); - } - - /** - * Wrap an element as a DOM document - * @param node - * @return - */ - public static Document promote(Node node) { - if (node instanceof Document) { - return (Document)node; - } - Element element = (Element)node; - Document doc = element.getOwnerDocument(); - if (doc.getDocumentElement() == element) { - return doc; - } - doc = (Document)element.getOwnerDocument().cloneNode(false); - Element schema = (Element)doc.importNode(element, true); - doc.appendChild(schema); - Node parent = element.getParentNode(); - while (parent instanceof Element) { - Element root = (Element)parent; - NamedNodeMap nodeMap = root.getAttributes(); - for (int i = 0; i < nodeMap.getLength(); i++) { - Attr attr = (Attr)nodeMap.item(i); - String name = attr.getName(); - if ("xmlns".equals(name) || name.startsWith("xmlns:")) { - if (schema.getAttributeNode(name) == null) { - schema.setAttributeNodeNS((Attr)doc.importNode(attr, true)); - } - } - } - parent = parent.getParentNode(); - } - return doc; - } - - /** - * @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; - } - -} |