1 files changed, 105 insertions, 0 deletions
diff --git a/sandbox/jboynes/sdoproxy/src/main/java/org/apache/tuscany/sdo/helper/DOMHelperImpl.java b/sandbox/jboynes/sdoproxy/src/main/java/org/apache/tuscany/sdo/helper/DOMHelperImpl.java
new file mode 100644
index 0000000000..7480151202
--- /dev/null
+++ b/sandbox/jboynes/sdoproxy/src/main/java/org/apache/tuscany/sdo/helper/DOMHelperImpl.java
@@ -0,0 +1,105 @@
+/**
+ *
+ * Copyright 2005 The Apache Software Foundation
+ *
+ *  Licensed 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.sdo.helper;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+
+import javax.xml.namespace.QName;
+
+import org.osoa.sdo.DataObject;
+import org.osoa.sdo.Property;
+import org.osoa.sdo.Type;
+import org.osoa.sdo.helper.DataFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class DOMHelperImpl {
+    private final DataFactory dataFactory;
+
+    public DOMHelperImpl(DataFactory dataFactory) {
+        this.dataFactory = dataFactory;
+    }
+
+    public DataObject<?> load(Document doc) {
+        Element rootElement = doc.getDocumentElement();
+        QName name = new QName(rootElement.getNamespaceURI(), rootElement.getLocalName());
+        DataObject<?> rootObject = dataFactory.create(name);
+        for (Node node = rootElement.getFirstChild() ; node != null; node = node.getNextSibling()) {
+            if (node.getNodeType() != Node.ELEMENT_NODE) {
+                continue;
+            }
+            String propName = node.getLocalName();
+            String value = node.getTextContent();
+            Property<?> prop = rootObject.getType().getProperty(propName);
+            rootObject.setString(prop.getIndex(), value);
+        }
+        return rootObject;
+    }
+
+    public void save(DataObject<?> dataObject, Document doc) {
+        Type<?> t = dataObject.getType();
+        Element element = doc.createElementNS(t.getName().getNamespaceURI(), t.getName().getLocalPart());
+        int i = 0;
+        for (Property<?> property : dataObject.getType().getProperties()) {
+            String value = dataObject.getString(i++);
+            if (value != null) {
+                Element propElement = doc.createElementNS(null, property.getName());
+                if (property.getType().isDataType()) {
+                    propElement.appendChild(doc.createTextNode(value));
+                }
+                element.appendChild(propElement);
+            }
+        }
+        doc.appendChild(element);
+    }
+
+    public void writeTo(OutputStream os, Document doc) throws IOException {
+        PrintWriter writer = new PrintWriter(os);
+        writeTo(writer, doc.getDocumentElement());
+        writer.flush();
+    }
+
+    private static void writeTo(PrintWriter writer, Element e) throws IOException {
+        writer.append('<');
+        writer.append(e.getLocalName());
+        if (e.hasChildNodes()) {
+            writer.append('>');
+            for (Node node = e.getFirstChild(); node != null; node = node.getNextSibling()) {
+                switch (node.getNodeType()) {
+                case Node.TEXT_NODE:
+                    writer.append(node.getTextContent());
+                    break;
+                case Node.ELEMENT_NODE:
+                    writeTo(writer, (Element) node);
+                    break;
+                }
+            }
+            writer.append('<');
+            writer.append('/');
+            writer.append(e.getLocalName());
+            writer.append('>');
+        } else {
+            writer.append("/>");
+        }
+    }
+}