1 files changed, 94 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java b/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java
new file mode 100644
index 0000000000..38c4c962e7
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java
@@ -0,0 +1,94 @@
+/**
+ *
+ *  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.sdo.helper;
+
+
+import java.util.Iterator;
+import java.util.List;
+
+import org.eclipse.emf.ecore.EClassifier;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.util.ExtendedMetaData;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.Type;
+import commonj.sdo.helper.TypeHelper;
+
+
+/**
+ * Look up a Type given the uri and typeName or interfaceClass.
+ * SDO Types are available through the
+ *   getType("commonj.sdo", typeName) method.
+ * Defines Types from DataObjects.
+ */
+public class TypeHelperImpl implements TypeHelper
+{
+  protected ExtendedMetaData extendedMetaData;
+  
+  public TypeHelperImpl(ExtendedMetaData extendedMetaData)
+  {
+    this.extendedMetaData = extendedMetaData;
+  }
+  
+  public Type getType(String uri, String typeName)
+  {
+    EPackage ePackage = extendedMetaData.getPackage(uri);
+    if (ePackage != null)
+    {
+      EClassifier eClassifier = ePackage.getEClassifier(typeName);
+      if (eClassifier == null)
+      {
+        eClassifier = extendedMetaData.getType(ePackage, typeName);
+      }
+      return (Type)eClassifier;
+    }
+    return null;
+  }
+  
+  public Type getType(Class interfaceClass)
+  {
+    //TODO more efficient implementation ... this is a really bad one!
+    for (Iterator iter = EPackage.Registry.INSTANCE.values().iterator(); iter.hasNext(); )
+    {
+      Object value = iter.next();
+      if (value instanceof EPackage)
+      {
+        EPackage ePackage = (EPackage)value;
+        for (Iterator iter2 = ePackage.getEClassifiers().iterator(); iter2.hasNext(); )
+        {
+          EClassifier eClassifier = (EClassifier)iter2.next();
+          if (eClassifier.getInstanceClass() == interfaceClass)
+          {
+            return (Type)eClassifier;
+          }
+        }
+      }
+    }
+    return null;
+  }
+
+  public Type define(DataObject type)
+  {
+    throw new UnsupportedOperationException(); //TODO
+  }
+
+  public List /*Type*/define(List /*DataObject*/types)
+  {
+    throw new UnsupportedOperationException(); //TODO
+  }
+  
+}