From ad0e368eeedb0454e1dd398bd84c23cbfbd692f8 Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 2 Nov 2009 22:23:40 +0000
Subject: Moving das tags

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@832150 13f79535-47bb-0310-9956-ffa450edef68
---
 .../das/rdb/graphbuilder/impl/DataObjectMaker.java | 120 +++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 das-java/tags/1.0-incubating-beta1/rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/DataObjectMaker.java

(limited to 'das-java/tags/1.0-incubating-beta1/rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/DataObjectMaker.java')

diff --git a/das-java/tags/1.0-incubating-beta1/rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/DataObjectMaker.java b/das-java/tags/1.0-incubating-beta1/rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/DataObjectMaker.java
new file mode 100644
index 0000000000..58e1fd3ff0
--- /dev/null
+++ b/das-java/tags/1.0-incubating-beta1/rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/DataObjectMaker.java
@@ -0,0 +1,120 @@
+/*
+ * 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.das.rdb.graphbuilder.impl;
+
+import java.util.Iterator;
+
+import org.apache.log4j.Logger;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.Property;
+import commonj.sdo.Type;
+import commonj.sdo.helper.DataFactory;
+
+public class DataObjectMaker {
+
+    private final DataObject rootObject;
+
+    private final Logger logger = Logger.getLogger(DataObjectMaker.class);
+
+    public DataObjectMaker(DataObject root) {
+        this.rootObject = root;
+    }
+
+    /**
+     * @param tableData
+     * @return
+     */
+    public DataObject createAndAddDataObject(TableData tableData, ResultMetadata resultMetadata) {
+        // Get a Type from the package and create a standalone DataObject
+
+        if (this.logger.isDebugEnabled()) {
+            this.logger.debug("Looking for Type for " + tableData.getTableName());
+        }
+
+        Type tableClass = findTableTypeByPropertyName(tableData.getTableName());
+
+        if (tableClass == null) {
+            throw new RuntimeException("An SDO Type with name " + tableData.getTableName() + " was not found");
+        }
+
+        DataObject obj = DataFactory.INSTANCE.create(tableClass);
+
+        // Now, check to see if the root data object has a containment reference
+        // to this EClass. If so, add it to the graph. If not, it will be taken
+        // care
+        // of when we process relationships
+
+        Iterator i = this.rootObject.getType().getProperties().iterator();
+        while (i.hasNext()) {
+            Property p = (Property) i.next();
+
+            if (p.isContainment() && p.getType().equals(tableClass)) {
+                if (p.isMany()) {
+                    rootObject.getList(p).add(obj);
+                } else {
+                    this.rootObject.set(p, obj);
+                }
+            }
+
+        }
+
+        Iterator columnNames = resultMetadata.getPropertyNames(tableData.getTableName()).iterator();
+        while (columnNames.hasNext()) {
+            String propertyName = (String) columnNames.next();
+
+            Property p = findProperty(obj.getType(), propertyName);
+            if (p == null) {
+                throw new RuntimeException("Type " + obj.getType().getName() 
+                        + " does not contain a property named " + propertyName);
+            }
+
+            Object value = tableData.getColumnData(propertyName);
+
+            obj.set(p, value);
+        }
+
+        return obj;
+    }
+
+    // temporary, ignoring case
+    private Property findProperty(Type type, String columnName) {
+        Iterator properties = type.getProperties().iterator();
+        while (properties.hasNext()) {
+            Property p = (Property) properties.next();
+            if (columnName.equalsIgnoreCase(p.getName())) {
+                return p;
+            }
+        }
+        return null;
+    }
+
+    private Type findTableTypeByPropertyName(String tableName) {
+        Iterator i = rootObject.getType().getProperties().iterator();
+        while (i.hasNext()) {
+            Property p = (Property) i.next();
+            if (tableName.equals(p.getType().getName())) {
+                return p.getType();
+            }
+        }
+
+        return null;
+    }
+
+}
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