From b771a05508db61cb1748d2fed0eb92daf173ff92 Mon Sep 17 00:00:00 2001
From: rsivaram <rsivaram@13f79535-47bb-0310-9956-ffa450edef68>
Date: Thu, 16 Oct 2008 11:51:49 +0000
Subject: Copy modules for event prototype

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@705212 13f79535-47bb-0310-9956-ffa450edef68
---
 .../saxon/DataObject2NodeInfoTransformer.java      | 99 ++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 sandbox/event/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/DataObject2NodeInfoTransformer.java

(limited to 'sandbox/event/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/DataObject2NodeInfoTransformer.java')

diff --git a/sandbox/event/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/DataObject2NodeInfoTransformer.java b/sandbox/event/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/DataObject2NodeInfoTransformer.java
new file mode 100644
index 0000000000..25f8ee886f
--- /dev/null
+++ b/sandbox/event/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/DataObject2NodeInfoTransformer.java
@@ -0,0 +1,99 @@
+/*
+ * 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.saxon;
+
+import javax.xml.transform.dom.DOMResult;
+
+import net.sf.saxon.om.NodeInfo;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.impl.DOMHelper;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.XMLDocument;
+import commonj.sdo.helper.XMLHelper;
+
+/**
+ * Transforms SDO DataObject-s to NodeInfo objects needed by Saxon parser.
+ *
+ * For root element when Serializing the DataObject the name of its 
+ * implemented interface is used with its first letter made lowercase.
+ * Also any namespaces that are defined are deleted, because otherwise
+ * the SaxonB parser does not work
+ *
+ * @version $Rev$ $Date$
+ */
+public class DataObject2NodeInfoTransformer extends BaseTransformer<DataObject, NodeInfo> implements
+    PullTransformer<DataObject, NodeInfo> {
+
+    private Node2NodeInfoTransformer node2NodeInfoTransformer;
+
+    public DataObject2NodeInfoTransformer(Node2NodeInfoTransformer node2NodeInfoTransformer) {
+        this.node2NodeInfoTransformer = node2NodeInfoTransformer;
+    }
+
+    public DataObject2NodeInfoTransformer() {
+        this.node2NodeInfoTransformer = new Node2NodeInfoTransformer();
+    }
+
+    public NodeInfo transform(DataObject source, TransformationContext context) {
+        // FIXME: Need to create the HelperContext from the transformation context
+        // FIXME: This is a big hack to create a document using the class name
+        XMLHelper helper = XMLHelper.INSTANCE;
+        String name = null;
+        if (source.getClass().getInterfaces().length > 0) {
+            name = source.getClass().getInterfaces()[0].getSimpleName();
+        } else {
+            name = source.getClass().getName();
+        }
+
+        if (name.length() > 0) {
+            name = Character.toLowerCase(name.charAt(0)) + name.substring(1, name.length());
+        }
+
+        try {
+            DOMResult domResult = new DOMResult(DOMHelper.newDocument());
+            XMLDocument xmlDoc = helper.createDocument(source, null, name);
+            helper.save(xmlDoc, domResult, null);
+            return node2NodeInfoTransformer.transform(domResult.getNode(), context);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+
+    }
+
+    @Override
+    protected Class<DataObject> getSourceType() {
+        return DataObject.class;
+    }
+
+    @Override
+    protected Class<NodeInfo> getTargetType() {
+        return NodeInfo.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 30 + node2NodeInfoTransformer.getWeight();
+    }
+
+}
-- 
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