diff options
author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-10-30 12:18:56 +0000 |
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committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-10-30 12:18:56 +0000 |
commit | 7abf5a347d0f5dc9a54cd6c443daafae9f4976fc (patch) | |
tree | 99776d825d680d1f9ee4403336018ce9740b8be2 /tags/java/sca/2.0-M4-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java | |
parent | b003942c4e5046a2a480d1db7d49f1936c4e0f6c (diff) |
Re-tag 2.0-M4 RC1 release
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@831279 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'tags/java/sca/2.0-M4-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java')
-rw-r--r-- | tags/java/sca/2.0-M4-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M4-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java b/tags/java/sca/2.0-M4-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java new file mode 100644 index 0000000000..ed0b5c9923 --- /dev/null +++ b/tags/java/sca/2.0-M4-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/DOMDataBinding.java @@ -0,0 +1,126 @@ +/* + * 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.TransformationContext; +import org.apache.tuscany.sca.databinding.WrapperHandler; +import org.apache.tuscany.sca.databinding.impl.BaseDataBinding; +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 $Rev$ $Date$ + */ +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, Operation operation) { + if (Node.class.isAssignableFrom(source.getClass())) { + Node nodeSource = (Node)source; + return nodeSource.cloneNode(true); + } + return super.copy(source, dataType, operation); + } + + @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; + } +} |