1 files changed, 179 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/bindings/binding.celtix/src/main/java/org/apache/tuscany/binding/celtix/handler/io/NodeDataWriter.java b/sca-java-1.x/tags/java-M1-final/java/sca/bindings/binding.celtix/src/main/java/org/apache/tuscany/binding/celtix/handler/io/NodeDataWriter.java
new file mode 100644
index 0000000000..27c2276c2a
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-final/java/sca/bindings/binding.celtix/src/main/java/org/apache/tuscany/binding/celtix/handler/io/NodeDataWriter.java
@@ -0,0 +1,179 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  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.binding.celtix.handler.io;
+
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.List;
+import javax.xml.namespace.QName;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+import javax.xml.ws.Holder;
+import javax.xml.ws.WebServiceException;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+import commonj.sdo.DataObject;
+import commonj.sdo.Property;
+import commonj.sdo.helper.TypeHelper;
+import commonj.sdo.helper.XSDHelper;
+
+import org.apache.tuscany.databinding.sdo.SDOXMLHelper;
+import org.apache.tuscany.sdo.helper.DataFactoryImpl;
+import org.apache.tuscany.sdo.helper.XMLHelperImpl;
+import org.apache.tuscany.sdo.helper.XSDHelperImpl;
+import org.objectweb.celtix.bindings.DataWriter;
+import org.objectweb.celtix.context.ObjectMessageContext;
+
+public class NodeDataWriter implements DataWriter<Node> {
+    SCADataBindingCallback callback;
+
+    public NodeDataWriter(SCADataBindingCallback cb) {
+        callback = cb;
+    }
+
+    public void write(Object obj, Node output) {
+        write(obj, null, output);
+    }
+
+    public void write(Object obj, QName elName, Node output) {
+        byte bytes[] = SDOXMLHelper.toXMLBytes(
+                                callback.getResourceClassLoader(),
+                                callback.getTypeHelper(),
+                                new Object[] {obj},
+                                elName,
+                                false);
+        ByteArrayInputStream bin = new ByteArrayInputStream(bytes);
+        SAXParserFactory factory = SAXParserFactory.newInstance();
+        factory.setNamespaceAware(true);
+        try {
+            SAXParser parser = factory.newSAXParser();
+            parser.parse(bin, new NodeContentHandler(output));
+        } catch (RuntimeException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new WebServiceException(e);
+        }
+        
+    }
+
+    public void writeWrapper(ObjectMessageContext objCtx, boolean isOutbound, Node nd) {
+        QName wrapperName;
+        if (isOutbound) {
+            wrapperName = callback.getOperationInfo().getResponseWrapperQName();
+        } else {
+            wrapperName = callback.getOperationInfo().getRequestWrapperQName();
+        }
+
+        DataObject obj = toWrappedDataObject(callback.getTypeHelper(),
+                isOutbound ? objCtx.getReturn() : null,
+                objCtx.getMessageObjects(),
+                wrapperName);
+
+        try {
+            //REVISIT - this is SUCH a hack.   SDO needs to be able to 
+            //go directly to some formats other than streams.  They are working
+            //on stax, but not there yet.
+            RawByteArrayOutputStream bout = new RawByteArrayOutputStream();
+            new XMLHelperImpl(callback.getTypeHelper()).save(obj,
+                    wrapperName.getNamespaceURI(),
+                    wrapperName.getLocalPart(),
+                    bout);
+
+            ByteArrayInputStream bin = new ByteArrayInputStream(bout.getBytes(),
+                    0,
+                    bout.size());
+            SAXParserFactory factory = SAXParserFactory.newInstance();
+            factory.setNamespaceAware(true);
+            SAXParser parser = factory.newSAXParser();
+            parser.parse(bin, new NodeContentHandler(nd));
+        } catch (IOException e) {
+            throw new WebServiceException(e);
+        } catch (ParserConfigurationException e) {
+            throw new WebServiceException(e);
+        } catch (SAXException e) {
+            throw new WebServiceException(e);
+        }
+    }
+
+
+    public static DataObject toWrappedDataObject(TypeHelper typeHelper,
+                                                 Object ret,
+                                                 Object[] os,
+                                                 QName typeQN) {
+        XSDHelper xsdHelper = new XSDHelperImpl(typeHelper);
+        Property property = xsdHelper.getGlobalProperty(typeQN.getNamespaceURI(),
+                typeQN.getLocalPart(), true);
+        DataObject dataObject = new DataFactoryImpl(typeHelper).create(property.getType());
+        List ips = dataObject.getInstanceProperties();
+        int offset = 0;
+        if (ret != null) {
+            dataObject.set(0, ret);
+            offset = 1;
+        }
+        for (int i = offset; i < ips.size(); i++) {
+            if (os[i - offset] instanceof Holder) {
+                Holder<?> holder = (Holder<?>)os[i - offset];
+                dataObject.set(i, holder.value);
+            } else {
+                dataObject.set(i, os[i - offset]);
+            }
+        }
+        return dataObject;
+    }
+
+    private class NodeContentHandler extends DefaultHandler {
+        Node current;
+        Document doc;
+
+        public NodeContentHandler(Node nd) {
+            doc = nd.getOwnerDocument();
+            if (doc == null && nd instanceof Document) {
+                doc = (Document)nd;
+            }
+            current = nd;
+        }
+
+        public void characters(char[] ch, int start, int length) {
+            current.appendChild(doc.createTextNode(new String(ch, start, length)));
+        }
+
+        public void startElement(String uri, String localName,
+                                 String qName, Attributes attributes) {
+            Element newEl = doc.createElementNS(uri, qName);
+            current.appendChild(newEl);
+            current = newEl;
+            for (int x = 0; x < attributes.getLength(); x++) {
+                newEl.setAttributeNS(attributes.getURI(x),
+                        attributes.getQName(x),
+                        attributes.getValue(x));
+            }
+        }
+
+        public void endElement(String uri, String localName, String qName) {
+            current = current.getParentNode();
+        }
+    }
+
+
+}